./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Urban-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Urban-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 1d6689857addc69d8e93b105a4c59c28f3ca430e8db3cb8066938aeb93b34a30 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:17:27,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:17:27,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-06 22:17:27,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:17:27,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:17:27,638 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:17:27,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:17:27,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:17:27,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:17:27,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:17:27,648 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:17:27,648 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:17:27,649 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:17:27,651 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:17:27,651 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:17:27,652 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:17:27,652 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:17:27,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:17:27,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:17:27,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:17:27,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:17:27,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:17:27,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:17:27,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:17:27,657 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:17:27,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:17:27,658 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:17:27,658 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:17:27,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:17:27,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:17:27,661 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:17:27,661 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:17:27,662 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:17:27,662 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_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d6689857addc69d8e93b105a4c59c28f3ca430e8db3cb8066938aeb93b34a30 [2023-11-06 22:17:28,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:17:28,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:17:28,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:17:28,062 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:17:28,063 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:17:28,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/termination-memory-alloca/Urban-alloca-2.i [2023-11-06 22:17:31,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:17:31,515 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:17:31,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/sv-benchmarks/c/termination-memory-alloca/Urban-alloca-2.i [2023-11-06 22:17:31,537 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/data/ca2e2029f/f3173ee3a98f4724a963b8b32ca66d24/FLAG2958a4c3d [2023-11-06 22:17:31,550 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/data/ca2e2029f/f3173ee3a98f4724a963b8b32ca66d24 [2023-11-06 22:17:31,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:17:31,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:17:31,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:17:31,555 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:17:31,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:17:31,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:17:31" (1/1) ... [2023-11-06 22:17:31,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf865e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:31, skipping insertion in model container [2023-11-06 22:17:31,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:17:31" (1/1) ... [2023-11-06 22:17:31,628 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:17:31,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:17:31,925 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:17:31,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:17:31,990 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:17:31,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:31 WrapperNode [2023-11-06 22:17:31,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:17:31,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:17:31,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:17:31,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:17:32,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:31" (1/1) ... [2023-11-06 22:17:32,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:31" (1/1) ... [2023-11-06 22:17:32,033 INFO L138 Inliner]: procedures = 110, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2023-11-06 22:17:32,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:17:32,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:17:32,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:17:32,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:17:32,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:31" (1/1) ... [2023-11-06 22:17:32,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:31" (1/1) ... [2023-11-06 22:17:32,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:31" (1/1) ... [2023-11-06 22:17:32,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:31" (1/1) ... [2023-11-06 22:17:32,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:31" (1/1) ... [2023-11-06 22:17:32,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:31" (1/1) ... [2023-11-06 22:17:32,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:31" (1/1) ... [2023-11-06 22:17:32,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:31" (1/1) ... [2023-11-06 22:17:32,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:17:32,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:17:32,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:17:32,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:17:32,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:31" (1/1) ... [2023-11-06 22:17:32,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:32,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:32,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:32,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:17:32,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:17:32,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:17:32,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:17:32,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:17:32,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:17:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:17:32,256 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:17:32,258 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:17:32,405 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:17:32,410 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:17:32,410 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:17:32,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:17:32 BoogieIcfgContainer [2023-11-06 22:17:32,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:17:32,413 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:17:32,413 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:17:32,417 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:17:32,418 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:17:32,418 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:17:31" (1/3) ... [2023-11-06 22:17:32,419 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72735088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:17:32, skipping insertion in model container [2023-11-06 22:17:32,419 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:17:32,419 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:31" (2/3) ... [2023-11-06 22:17:32,420 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72735088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:17:32, skipping insertion in model container [2023-11-06 22:17:32,420 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:17:32,420 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:17:32" (3/3) ... [2023-11-06 22:17:32,421 INFO L332 chiAutomizerObserver]: Analyzing ICFG Urban-alloca-2.i [2023-11-06 22:17:32,477 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:17:32,477 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:17:32,478 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:17:32,478 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:17:32,478 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:17:32,478 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:17:32,478 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:17:32,478 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:17:32,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:32,501 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-06 22:17:32,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:17:32,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:17:32,507 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:17:32,507 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-06 22:17:32,507 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:17:32,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:32,509 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-06 22:17:32,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:17:32,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:17:32,510 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:17:32,510 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-06 22:17:32,516 INFO L748 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 9#L561-2true [2023-11-06 22:17:32,517 INFO L750 eck$LassoCheckResult]: Loop: 9#L561-2true call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 11#L552-1true assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 4#L552-3true assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 3#L553true assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1;havoc main_#t~nondet14#1; 6#L561true assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1;call main_#t~mem15#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(1 + main_#t~mem15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem15#1; 9#L561-2true [2023-11-06 22:17:32,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:32,522 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-06 22:17:32,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:32,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646353087] [2023-11-06 22:17:32,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:32,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:32,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:32,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:32,713 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:32,713 INFO L85 PathProgramCache]: Analyzing trace with hash 35409937, now seen corresponding path program 1 times [2023-11-06 22:17:32,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:32,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738283962] [2023-11-06 22:17:32,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:32,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:32,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:32,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:32,770 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:32,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849423, now seen corresponding path program 1 times [2023-11-06 22:17:32,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:32,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432740072] [2023-11-06 22:17:32,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:32,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:32,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:32,839 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:33,572 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:17:33,573 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:17:33,573 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:17:33,573 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:17:33,573 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:17:33,573 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:33,574 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:17:33,574 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:17:33,574 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca-2.i_Iteration1_Lasso [2023-11-06 22:17:33,574 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:17:33,574 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:17:33,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:33,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:33,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:33,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:33,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:33,620 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:33,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:33,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:33,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:33,635 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:33,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:33,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:33,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:33,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:34,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:34,034 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:34,038 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:34,041 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:34,046 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:34,049 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:34,052 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:34,454 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:17:34,459 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:17:34,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:34,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:34,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:34,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:17:34,478 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 [2023-11-06 22:17:34,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:34,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:34,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:34,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:34,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:34,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:34,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:34,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:34,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-06 22:17:34,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:34,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:34,510 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:34,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:17:34,513 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 [2023-11-06 22:17:34,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:34,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:34,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:34,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:34,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:34,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:34,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:34,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:34,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:34,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:34,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:34,563 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:34,574 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 [2023-11-06 22:17:34,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:34,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:34,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:34,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:34,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:34,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:17:34,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:34,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:34,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:34,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:34,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:34,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:34,617 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:34,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:17:34,623 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 [2023-11-06 22:17:34,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:34,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:34,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:34,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:34,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:34,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:34,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:34,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:34,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:34,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:34,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:34,659 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:34,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:17:34,665 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 [2023-11-06 22:17:34,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:34,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:34,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:34,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:34,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:34,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:34,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:34,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:34,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:34,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:34,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:34,702 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:34,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:17:34,713 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 [2023-11-06 22:17:34,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:34,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:34,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:34,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:34,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:34,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:34,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:34,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:34,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:34,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:34,752 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:34,761 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 [2023-11-06 22:17:34,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:34,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:34,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:34,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:34,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:34,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:34,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:34,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:17:34,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:34,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:34,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:34,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:34,816 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:34,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:17:34,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:17:34,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:34,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:34,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:34,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:34,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:34,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:34,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:34,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:34,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:34,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:34,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:34,862 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:34,874 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 [2023-11-06 22:17:34,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:34,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:34,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:34,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:34,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:34,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:34,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:34,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:17:34,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:34,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:34,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:34,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:34,904 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:34,922 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 [2023-11-06 22:17:34,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:34,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:34,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:34,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:34,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:34,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:34,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:34,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:17:34,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:34,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:34,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:34,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:34,958 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:34,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:17:34,962 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 [2023-11-06 22:17:34,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:34,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:34,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:34,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:34,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:34,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:34,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:34,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:35,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:35,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:35,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:35,006 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:35,010 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 [2023-11-06 22:17:35,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:35,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:35,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:35,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:35,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:35,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:35,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:17:35,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:35,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:35,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:35,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:35,047 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:35,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 22:17:35,051 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 [2023-11-06 22:17:35,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:35,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:35,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:35,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:35,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:35,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:35,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:35,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:35,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:35,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:35,098 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:35,104 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 [2023-11-06 22:17:35,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 22:17:35,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:35,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:35,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:35,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:35,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:35,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:35,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:35,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:35,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:35,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:35,158 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:35,170 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 [2023-11-06 22:17:35,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:35,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:35,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:35,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:35,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 22:17:35,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:35,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:35,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:35,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:35,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:35,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:35,214 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:35,218 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 [2023-11-06 22:17:35,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:35,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:35,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:35,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:35,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-06 22:17:35,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:35,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:35,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:35,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:35,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:35,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:35,258 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:35,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-06 22:17:35,268 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 [2023-11-06 22:17:35,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:35,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:35,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:35,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:35,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:35,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:35,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:35,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:35,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:35,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:35,318 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:35,326 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 [2023-11-06 22:17:35,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-06 22:17:35,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:35,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:35,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:35,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:35,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:35,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:35,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:35,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:35,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:35,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:35,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:35,363 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:35,377 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 [2023-11-06 22:17:35,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-06 22:17:35,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:35,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:35,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:35,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:35,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:35,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:35,408 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:17:35,420 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-06 22:17:35,420 INFO L444 ModelExtractionUtils]: 5 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-06 22:17:35,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:35,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:35,463 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:35,469 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:17:35,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-06 22:17:35,502 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:17:35,502 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:17:35,502 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) 0)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) 0)_1 Supporting invariants [] [2023-11-06 22:17:35,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:35,562 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2023-11-06 22:17:35,573 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x~0!base] could not be translated [2023-11-06 22:17:35,574 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x~0!base][0] could not be translated [2023-11-06 22:17:35,603 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:35,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:17:35,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:35,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 22:17:35,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:35,901 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2023-11-06 22:17:35,904 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2023-11-06 22:17:36,096 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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 38 states and 52 transitions. Complement of second has 14 states. [2023-11-06 22:17:36,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2023-11-06 22:17:36,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2023-11-06 22:17:36,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 18 transitions. [2023-11-06 22:17:36,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 2 letters. Loop has 5 letters. [2023-11-06 22:17:36,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:36,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 7 letters. Loop has 5 letters. [2023-11-06 22:17:36,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:36,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 18 transitions. Stem has 2 letters. Loop has 10 letters. [2023-11-06 22:17:36,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:36,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 52 transitions. [2023-11-06 22:17:36,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-06 22:17:36,115 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 21 states and 31 transitions. [2023-11-06 22:17:36,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-06 22:17:36,117 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-06 22:17:36,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 31 transitions. [2023-11-06 22:17:36,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:17:36,118 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 31 transitions. [2023-11-06 22:17:36,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 31 transitions. [2023-11-06 22:17:36,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2023-11-06 22:17:36,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.5) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:36,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 27 transitions. [2023-11-06 22:17:36,147 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 27 transitions. [2023-11-06 22:17:36,147 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 27 transitions. [2023-11-06 22:17:36,148 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:17:36,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 27 transitions. [2023-11-06 22:17:36,149 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-06 22:17:36,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:17:36,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:17:36,149 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:17:36,150 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-06 22:17:36,150 INFO L748 eck$LassoCheckResult]: Stem: 176#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 177#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 181#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 180#L552-1 assume !main_#t~short8#1; 172#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 167#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1;havoc main_#t~nondet10#1; 168#L554 [2023-11-06 22:17:36,150 INFO L750 eck$LassoCheckResult]: Loop: 168#L554 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~nondet12#1;call write~int(main_#t~nondet12#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet12#1; 174#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 178#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 184#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 183#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1;havoc main_#t~nondet10#1; 168#L554 [2023-11-06 22:17:36,151 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:36,151 INFO L85 PathProgramCache]: Analyzing trace with hash 889571371, now seen corresponding path program 1 times [2023-11-06 22:17:36,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:36,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797826238] [2023-11-06 22:17:36,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:36,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:36,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:36,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:36,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797826238] [2023-11-06 22:17:36,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797826238] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:36,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:17:36,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:17:36,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134202806] [2023-11-06 22:17:36,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:36,228 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:17:36,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:36,229 INFO L85 PathProgramCache]: Analyzing trace with hash 51012381, now seen corresponding path program 1 times [2023-11-06 22:17:36,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:36,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249400808] [2023-11-06 22:17:36,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:36,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:36,251 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:36,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:36,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:36,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:17:36,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:17:36,474 INFO L87 Difference]: Start difference. First operand 18 states and 27 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:36,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:17:36,488 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2023-11-06 22:17:36,488 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2023-11-06 22:17:36,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-06 22:17:36,490 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 24 transitions. [2023-11-06 22:17:36,490 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-06 22:17:36,490 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-06 22:17:36,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2023-11-06 22:17:36,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:17:36,491 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-06 22:17:36,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2023-11-06 22:17:36,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-06 22:17:36,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 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) [2023-11-06 22:17:36,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2023-11-06 22:17:36,494 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-06 22:17:36,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:17:36,495 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-06 22:17:36,495 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:17:36,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2023-11-06 22:17:36,496 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-06 22:17:36,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:17:36,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:17:36,497 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:17:36,497 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-06 22:17:36,497 INFO L748 eck$LassoCheckResult]: Stem: 221#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 222#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 226#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 225#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 217#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 212#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1;havoc main_#t~nondet10#1; 213#L554 [2023-11-06 22:17:36,498 INFO L750 eck$LassoCheckResult]: Loop: 213#L554 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~nondet12#1;call write~int(main_#t~nondet12#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet12#1; 219#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 223#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 229#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 228#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1;havoc main_#t~nondet10#1; 213#L554 [2023-11-06 22:17:36,498 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:36,498 INFO L85 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2023-11-06 22:17:36,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:36,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562094952] [2023-11-06 22:17:36,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:36,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:36,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:36,556 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:36,557 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:36,558 INFO L85 PathProgramCache]: Analyzing trace with hash 51012381, now seen corresponding path program 2 times [2023-11-06 22:17:36,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:36,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991200041] [2023-11-06 22:17:36,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:36,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:36,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:36,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:36,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:36,614 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:36,614 INFO L85 PathProgramCache]: Analyzing trace with hash -364197003, now seen corresponding path program 1 times [2023-11-06 22:17:36,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:36,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228338031] [2023-11-06 22:17:36,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:36,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:36,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:36,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:37,366 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:17:37,366 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:17:37,366 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:17:37,366 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:17:37,367 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:17:37,367 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:37,367 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:17:37,367 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:17:37,367 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca-2.i_Iteration3_Lasso [2023-11-06 22:17:37,367 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:17:37,367 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:17:37,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,692 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,699 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,705 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:37,709 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:38,001 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:17:38,001 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:17:38,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:38,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:38,006 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:38,017 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 [2023-11-06 22:17:38,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:38,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:38,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:38,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:38,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:38,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:38,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:38,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-06 22:17:38,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:38,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:38,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:38,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:38,042 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:38,049 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 [2023-11-06 22:17:38,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:38,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:38,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:38,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:38,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:38,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:38,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:38,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-06 22:17:38,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:38,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:38,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:38,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:38,077 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:38,081 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 [2023-11-06 22:17:38,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:38,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:38,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:38,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:38,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:38,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:38,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-06 22:17:38,116 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:17:38,126 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-06 22:17:38,126 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-06 22:17:38,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:38,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:38,128 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:38,131 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:17:38,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-06 22:17:38,161 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:17:38,161 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:17:38,161 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2 Supporting invariants [] [2023-11-06 22:17:38,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:38,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:38,236 INFO L156 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2023-11-06 22:17:38,267 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:38,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:17:38,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:38,318 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-06 22:17:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:38,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:17:38,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:38,400 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2023-11-06 22:17:38,409 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 22:17:38,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:38,477 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 [2023-11-06 22:17:38,478 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:38,604 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 69 transitions. Complement of second has 10 states. [2023-11-06 22:17:38,605 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 [2023-11-06 22:17:38,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2023-11-06 22:17:38,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 5 letters. [2023-11-06 22:17:38,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:38,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 11 letters. Loop has 5 letters. [2023-11-06 22:17:38,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:38,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 10 letters. [2023-11-06 22:17:38,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:38,608 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 69 transitions. [2023-11-06 22:17:38,611 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2023-11-06 22:17:38,612 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 48 states and 68 transitions. [2023-11-06 22:17:38,612 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-06 22:17:38,613 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-06 22:17:38,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 68 transitions. [2023-11-06 22:17:38,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:17:38,613 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 68 transitions. [2023-11-06 22:17:38,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 68 transitions. [2023-11-06 22:17:38,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 45. [2023-11-06 22:17:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 44 states have internal predecessors, (64), 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) [2023-11-06 22:17:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2023-11-06 22:17:38,619 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 64 transitions. [2023-11-06 22:17:38,619 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 64 transitions. [2023-11-06 22:17:38,619 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 22:17:38,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 64 transitions. [2023-11-06 22:17:38,621 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 21 [2023-11-06 22:17:38,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:17:38,621 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:17:38,622 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:38,622 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 1, 1, 1, 1] [2023-11-06 22:17:38,622 INFO L748 eck$LassoCheckResult]: Stem: 402#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 403#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 407#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 419#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 426#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 423#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1;havoc main_#t~nondet10#1; 420#L554 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~nondet12#1;call write~int(main_#t~nondet12#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet12#1; 421#L561-2 [2023-11-06 22:17:38,622 INFO L750 eck$LassoCheckResult]: Loop: 421#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 428#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 427#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 390#L553 assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1;havoc main_#t~nondet14#1; 391#L561 assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1;call main_#t~mem15#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(1 + main_#t~mem15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem15#1; 422#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 408#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 394#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 395#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1;havoc main_#t~nondet10#1; 424#L554 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~nondet12#1;call write~int(main_#t~nondet12#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet12#1; 421#L561-2 [2023-11-06 22:17:38,623 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:38,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849167, now seen corresponding path program 2 times [2023-11-06 22:17:38,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:38,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573872337] [2023-11-06 22:17:38,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:38,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:38,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:38,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:38,685 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:38,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1870690047, now seen corresponding path program 1 times [2023-11-06 22:17:38,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:38,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676879206] [2023-11-06 22:17:38,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:38,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:38,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:38,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:38,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676879206] [2023-11-06 22:17:38,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676879206] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:17:38,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253648282] [2023-11-06 22:17:38,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:38,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:17:38,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:38,956 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:17:38,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-06 22:17:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:39,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:17:39,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:39,103 INFO L351 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 27 treesize of output 15 [2023-11-06 22:17:39,114 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 22:17:39,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:39,117 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:17:39,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:39,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253648282] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:17:39,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:17:39,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 9 [2023-11-06 22:17:39,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629706645] [2023-11-06 22:17:39,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:17:39,158 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 22:17:39,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:39,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:17:39,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:17:39,159 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. cyclomatic complexity: 24 Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 9 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) [2023-11-06 22:17:39,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:17:39,254 INFO L93 Difference]: Finished difference Result 67 states and 85 transitions. [2023-11-06 22:17:39,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 85 transitions. [2023-11-06 22:17:39,256 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 24 [2023-11-06 22:17:39,257 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 62 states and 80 transitions. [2023-11-06 22:17:39,258 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2023-11-06 22:17:39,258 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2023-11-06 22:17:39,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 80 transitions. [2023-11-06 22:17:39,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:17:39,258 INFO L218 hiAutomatonCegarLoop]: Abstraction has 62 states and 80 transitions. [2023-11-06 22:17:39,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 80 transitions. [2023-11-06 22:17:39,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 50. [2023-11-06 22:17:39,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.34) internal successors, (67), 49 states have internal predecessors, (67), 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) [2023-11-06 22:17:39,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2023-11-06 22:17:39,264 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 67 transitions. [2023-11-06 22:17:39,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:17:39,265 INFO L428 stractBuchiCegarLoop]: Abstraction has 50 states and 67 transitions. [2023-11-06 22:17:39,266 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 22:17:39,266 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 67 transitions. [2023-11-06 22:17:39,267 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 24 [2023-11-06 22:17:39,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:17:39,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:17:39,268 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:39,268 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-06 22:17:39,268 INFO L748 eck$LassoCheckResult]: Stem: 586#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 587#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 591#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 601#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 604#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 605#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1;havoc main_#t~nondet10#1; 602#L554 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~nondet12#1;call write~int(main_#t~nondet12#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet12#1; 578#L561-2 [2023-11-06 22:17:39,268 INFO L750 eck$LassoCheckResult]: Loop: 578#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 588#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 582#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 583#L553 assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1;havoc main_#t~nondet14#1; 577#L561 assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1;call main_#t~mem15#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(1 + main_#t~mem15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem15#1; 578#L561-2 [2023-11-06 22:17:39,269 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:39,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849167, now seen corresponding path program 3 times [2023-11-06 22:17:39,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:39,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254948052] [2023-11-06 22:17:39,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:39,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:39,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:39,293 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:39,293 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:39,294 INFO L85 PathProgramCache]: Analyzing trace with hash 35409937, now seen corresponding path program 2 times [2023-11-06 22:17:39,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:39,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247656264] [2023-11-06 22:17:39,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:39,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:39,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:39,308 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:39,308 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:39,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1594795075, now seen corresponding path program 1 times [2023-11-06 22:17:39,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:39,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534207777] [2023-11-06 22:17:39,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:39,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:39,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:39,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:39,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534207777] [2023-11-06 22:17:39,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534207777] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:17:39,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928008703] [2023-11-06 22:17:39,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:39,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:17:39,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:39,641 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:17:39,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-06 22:17:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:39,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-06 22:17:39,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:39,823 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 44 [2023-11-06 22:17:39,860 INFO L322 Elim1Store]: treesize reduction 35, result has 34.0 percent of original size [2023-11-06 22:17:39,861 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 65 [2023-11-06 22:17:39,871 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 25 treesize of output 9 [2023-11-06 22:17:39,896 INFO L351 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 21 treesize of output 10 [2023-11-06 22:17:39,936 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-11-06 22:17:40,235 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-06 22:17:40,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:40,247 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:17:40,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:40,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928008703] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:17:40,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:17:40,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 19 [2023-11-06 22:17:40,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478158638] [2023-11-06 22:17:40,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:17:40,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:40,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-06 22:17:40,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:17:40,590 INFO L87 Difference]: Start difference. First operand 50 states and 67 transitions. cyclomatic complexity: 22 Second operand has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 19 states have internal predecessors, (31), 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) [2023-11-06 22:17:40,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:17:40,969 INFO L93 Difference]: Finished difference Result 44 states and 56 transitions. [2023-11-06 22:17:40,969 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 56 transitions. [2023-11-06 22:17:40,970 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2023-11-06 22:17:40,971 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 40 states and 50 transitions. [2023-11-06 22:17:40,971 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2023-11-06 22:17:40,971 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2023-11-06 22:17:40,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 50 transitions. [2023-11-06 22:17:40,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:17:40,972 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 50 transitions. [2023-11-06 22:17:40,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 50 transitions. [2023-11-06 22:17:40,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-06 22:17:40,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.25) internal successors, (50), 39 states have internal predecessors, (50), 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) [2023-11-06 22:17:40,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2023-11-06 22:17:40,975 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 50 transitions. [2023-11-06 22:17:40,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:17:40,977 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2023-11-06 22:17:40,977 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-06 22:17:40,977 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 50 transitions. [2023-11-06 22:17:40,978 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2023-11-06 22:17:40,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:17:40,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:17:40,979 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:40,979 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-06 22:17:40,979 INFO L748 eck$LassoCheckResult]: Stem: 785#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 786#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 790#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 799#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 811#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 808#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1;havoc main_#t~nondet10#1; 801#L554 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem13#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem13#1; 793#L561-2 [2023-11-06 22:17:40,979 INFO L750 eck$LassoCheckResult]: Loop: 793#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 804#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 803#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 773#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1;havoc main_#t~nondet10#1; 774#L554 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem13#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem13#1; 793#L561-2 [2023-11-06 22:17:40,980 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:40,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849169, now seen corresponding path program 1 times [2023-11-06 22:17:40,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:40,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999013369] [2023-11-06 22:17:40,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:40,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:40,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:41,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:41,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:41,002 INFO L85 PathProgramCache]: Analyzing trace with hash 35409683, now seen corresponding path program 1 times [2023-11-06 22:17:41,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:41,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047348058] [2023-11-06 22:17:41,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:41,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:41,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:41,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:41,015 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:41,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1652053123, now seen corresponding path program 2 times [2023-11-06 22:17:41,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:41,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075402270] [2023-11-06 22:17:41,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:41,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:41,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:41,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:41,650 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:17:41,650 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:17:41,651 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:17:41,651 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:17:41,651 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:17:41,651 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:41,651 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:17:41,651 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:17:41,651 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca-2.i_Iteration6_Lasso [2023-11-06 22:17:41,651 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:17:41,651 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:17:41,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,980 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:41,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:42,310 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:17:42,311 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:17:42,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:42,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:42,315 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:42,322 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 [2023-11-06 22:17:42,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:42,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:42,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:42,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:42,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:42,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:42,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:42,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-06 22:17:42,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:42,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:42,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:42,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:42,362 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:42,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:17:42,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-06 22:17:42,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:42,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:42,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:42,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:42,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:42,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:42,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:42,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:42,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:42,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:42,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:42,394 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:42,397 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 [2023-11-06 22:17:42,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:42,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:42,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:42,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:42,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:42,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:42,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:42,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-06 22:17:42,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:42,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:42,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:42,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:42,438 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:42,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:17:42,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:42,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:42,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:42,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:42,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:42,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:42,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:42,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-06 22:17:42,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:42,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:42,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:42,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:42,481 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:42,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:17:42,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:42,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:42,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:42,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:42,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:42,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:42,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-06 22:17:42,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:42,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:42,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:42,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:42,550 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:42,556 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 [2023-11-06 22:17:42,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:42,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:42,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:42,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:42,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:42,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:42,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:42,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-06 22:17:42,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:42,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:42,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:42,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:42,591 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:42,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-06 22:17:42,594 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 [2023-11-06 22:17:42,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:42,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:42,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:42,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:42,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:42,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:42,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:42,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:42,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:42,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:42,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:42,613 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:42,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:17:42,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-06 22:17:42,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:42,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:42,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:42,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:42,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:42,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:42,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:42,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-06 22:17:42,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:42,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:42,648 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:42,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-06 22:17:42,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:17:42,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:42,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:42,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:42,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:42,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:42,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:42,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:42,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:42,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:42,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:42,699 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:42,704 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 [2023-11-06 22:17:42,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:42,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:42,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:42,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:42,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-06 22:17:42,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:42,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:42,751 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:17:42,760 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-06 22:17:42,760 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2023-11-06 22:17:42,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:42,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:42,767 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:42,768 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:17:42,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-06 22:17:42,790 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:17:42,790 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:17:42,790 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_3 Supporting invariants [] [2023-11-06 22:17:42,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-06 22:17:42,837 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2023-11-06 22:17:42,853 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:42,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:17:42,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:42,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:17:42,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:42,961 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-06 22:17:42,961 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 14 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:43,003 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 14. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 64 states and 78 transitions. Complement of second has 9 states. [2023-11-06 22:17:43,004 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 [2023-11-06 22:17:43,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:43,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2023-11-06 22:17:43,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 5 letters. [2023-11-06 22:17:43,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:43,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 12 letters. Loop has 5 letters. [2023-11-06 22:17:43,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:43,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 10 letters. [2023-11-06 22:17:43,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:43,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 78 transitions. [2023-11-06 22:17:43,009 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2023-11-06 22:17:43,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 54 states and 65 transitions. [2023-11-06 22:17:43,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2023-11-06 22:17:43,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2023-11-06 22:17:43,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 65 transitions. [2023-11-06 22:17:43,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:17:43,014 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 65 transitions. [2023-11-06 22:17:43,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 65 transitions. [2023-11-06 22:17:43,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-06 22:17:43,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 53 states have internal predecessors, (65), 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) [2023-11-06 22:17:43,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2023-11-06 22:17:43,032 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 65 transitions. [2023-11-06 22:17:43,032 INFO L428 stractBuchiCegarLoop]: Abstraction has 54 states and 65 transitions. [2023-11-06 22:17:43,032 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-06 22:17:43,032 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 65 transitions. [2023-11-06 22:17:43,033 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2023-11-06 22:17:43,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:17:43,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:17:43,034 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:43,034 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-06 22:17:43,034 INFO L748 eck$LassoCheckResult]: Stem: 996#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 997#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 1002#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1012#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1025#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1023#L553 assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1;havoc main_#t~nondet14#1; 992#L561 assume !(0 != main_#t~nondet14#1);havoc main_#t~nondet14#1;call main_#t~mem16#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~nondet17#1;call write~int(main_#t~nondet17#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet17#1; 993#L561-2 [2023-11-06 22:17:43,034 INFO L750 eck$LassoCheckResult]: Loop: 993#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1029#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1028#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1014#L553 assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1;havoc main_#t~nondet14#1; 1013#L561 assume !(0 != main_#t~nondet14#1);havoc main_#t~nondet14#1;call main_#t~mem16#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~nondet17#1;call write~int(main_#t~nondet17#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet17#1; 993#L561-2 [2023-11-06 22:17:43,035 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:43,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849425, now seen corresponding path program 1 times [2023-11-06 22:17:43,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:43,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229049939] [2023-11-06 22:17:43,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:43,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:43,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:43,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:43,083 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:43,083 INFO L85 PathProgramCache]: Analyzing trace with hash 35409939, now seen corresponding path program 1 times [2023-11-06 22:17:43,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:43,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591606984] [2023-11-06 22:17:43,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:43,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:43,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:43,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:43,103 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:43,103 INFO L85 PathProgramCache]: Analyzing trace with hash 391181443, now seen corresponding path program 2 times [2023-11-06 22:17:43,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:43,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716501663] [2023-11-06 22:17:43,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:43,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:43,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:43,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:43,846 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:17:43,846 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:17:43,846 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:17:43,846 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:17:43,846 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:17:43,846 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:43,846 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:17:43,846 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:17:43,846 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca-2.i_Iteration7_Lasso [2023-11-06 22:17:43,846 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:17:43,846 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:17:43,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:43,857 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:43,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:43,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:43,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:43,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:43,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:43,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:43,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:43,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:43,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:43,902 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:44,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:44,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:44,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:44,244 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:44,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:44,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:44,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:44,256 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:44,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:44,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-06 22:17:44,667 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:17:44,667 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:17:44,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:44,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:44,672 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:44,681 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 [2023-11-06 22:17:44,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:44,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:44,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:44,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:44,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:44,695 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:44,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:44,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-06 22:17:44,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:44,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:44,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:44,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:44,722 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:44,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:17:44,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-06 22:17:44,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:44,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:44,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:44,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:44,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:44,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:44,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:44,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:44,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:44,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:44,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:44,745 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:44,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-06 22:17:44,749 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 [2023-11-06 22:17:44,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:44,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:44,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:44,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:44,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:44,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:44,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:44,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:44,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:44,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:44,768 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:44,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-06 22:17:44,771 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 [2023-11-06 22:17:44,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:44,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:44,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:44,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:44,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:44,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:44,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:44,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:44,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-06 22:17:44,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:44,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:44,806 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:44,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-06 22:17:44,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:17:44,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:44,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:44,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:44,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:44,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:44,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:44,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:44,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:44,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-06 22:17:44,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:44,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:44,825 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:44,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-06 22:17:44,832 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 [2023-11-06 22:17:44,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:44,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:44,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:44,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:44,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:44,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:44,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:44,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:44,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:44,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:44,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:44,856 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:44,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:17:44,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-06 22:17:44,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:44,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:44,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:44,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:44,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:44,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:44,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:44,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:44,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-06 22:17:44,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:44,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:44,874 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:44,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-06 22:17:44,878 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 [2023-11-06 22:17:44,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:44,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:44,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:44,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:44,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:44,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:44,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:44,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:44,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-06 22:17:44,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:44,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:44,894 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:44,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-06 22:17:44,896 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 [2023-11-06 22:17:44,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:44,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:44,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:44,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:44,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:44,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:44,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:44,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:44,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:44,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:44,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:44,917 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:44,928 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 [2023-11-06 22:17:44,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:44,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:44,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:44,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:44,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-06 22:17:44,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:44,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:44,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:44,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:44,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:44,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:44,988 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:44,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:17:45,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:45,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:45,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:45,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:45,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:45,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:45,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:45,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-06 22:17:45,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:45,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:45,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:45,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:45,025 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:45,029 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 [2023-11-06 22:17:45,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:45,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:45,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:45,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:45,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-06 22:17:45,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:45,049 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:45,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:45,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:45,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:45,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:45,073 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:45,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:17:45,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:45,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:45,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:45,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:45,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:45,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:45,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-06 22:17:45,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:45,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:45,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:45,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:45,114 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:45,118 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 [2023-11-06 22:17:45,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:45,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:45,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:45,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:45,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:45,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:45,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-06 22:17:45,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:45,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:45,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:45,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:45,162 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:45,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-06 22:17:45,166 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 [2023-11-06 22:17:45,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:45,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:45,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:45,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:45,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:45,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:45,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:45,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:45,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:45,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:45,207 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:45,210 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 [2023-11-06 22:17:45,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:45,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:45,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:45,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:45,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-06 22:17:45,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:45,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:45,249 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:17:45,265 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-06 22:17:45,266 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-06 22:17:45,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:45,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:45,267 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:45,270 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:17:45,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-06 22:17:45,300 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:17:45,300 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:17:45,300 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) 0)_1 Supporting invariants [] [2023-11-06 22:17:45,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:45,347 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2023-11-06 22:17:45,349 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y~0!base] could not be translated [2023-11-06 22:17:45,349 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y~0!base][0] could not be translated [2023-11-06 22:17:45,373 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:45,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:17:45,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:45,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 22:17:45,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:45,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:45,551 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2023-11-06 22:17:45,551 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 65 transitions. cyclomatic complexity: 17 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:45,665 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 65 transitions. cyclomatic complexity: 17. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 112 states and 133 transitions. Complement of second has 12 states. [2023-11-06 22:17:45,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2023-11-06 22:17:45,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:45,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 21 transitions. [2023-11-06 22:17:45,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 7 letters. Loop has 5 letters. [2023-11-06 22:17:45,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:45,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 12 letters. Loop has 5 letters. [2023-11-06 22:17:45,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:45,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 21 transitions. Stem has 7 letters. Loop has 10 letters. [2023-11-06 22:17:45,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:45,668 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112 states and 133 transitions. [2023-11-06 22:17:45,669 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2023-11-06 22:17:45,670 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112 states to 102 states and 122 transitions. [2023-11-06 22:17:45,671 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-06 22:17:45,671 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2023-11-06 22:17:45,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 102 states and 122 transitions. [2023-11-06 22:17:45,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:17:45,671 INFO L218 hiAutomatonCegarLoop]: Abstraction has 102 states and 122 transitions. [2023-11-06 22:17:45,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states and 122 transitions. [2023-11-06 22:17:45,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 60. [2023-11-06 22:17:45,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 59 states have internal predecessors, (73), 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) [2023-11-06 22:17:45,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 73 transitions. [2023-11-06 22:17:45,682 INFO L240 hiAutomatonCegarLoop]: Abstraction has 60 states and 73 transitions. [2023-11-06 22:17:45,683 INFO L428 stractBuchiCegarLoop]: Abstraction has 60 states and 73 transitions. [2023-11-06 22:17:45,683 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-06 22:17:45,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 73 transitions. [2023-11-06 22:17:45,684 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-06 22:17:45,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:17:45,684 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:17:45,685 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1] [2023-11-06 22:17:45,685 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-06 22:17:45,685 INFO L748 eck$LassoCheckResult]: Stem: 1288#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1289#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 1294#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1312#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1309#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1310#L553 assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1;havoc main_#t~nondet14#1; 1300#L561 assume !(0 != main_#t~nondet14#1);havoc main_#t~nondet14#1;call main_#t~mem16#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~nondet17#1;call write~int(main_#t~nondet17#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet17#1; 1306#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1295#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1280#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1281#L553 assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1;havoc main_#t~nondet14#1; 1283#L561 [2023-11-06 22:17:45,685 INFO L750 eck$LassoCheckResult]: Loop: 1283#L561 assume 0 != main_#t~nondet14#1;havoc main_#t~nondet14#1;call main_#t~mem15#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(1 + main_#t~mem15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem15#1; 1284#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1290#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1322#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1307#L553 assume !(main_#t~mem9#1 > 0);havoc main_#t~mem9#1;havoc main_#t~nondet14#1; 1283#L561 [2023-11-06 22:17:45,686 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:45,686 INFO L85 PathProgramCache]: Analyzing trace with hash -125928577, now seen corresponding path program 3 times [2023-11-06 22:17:45,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:45,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129113846] [2023-11-06 22:17:45,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:45,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:45,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:45,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:45,716 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:45,716 INFO L85 PathProgramCache]: Analyzing trace with hash 58400557, now seen corresponding path program 3 times [2023-11-06 22:17:45,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:45,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484036633] [2023-11-06 22:17:45,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:45,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:45,723 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:45,729 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:45,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:45,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1691624047, now seen corresponding path program 1 times [2023-11-06 22:17:45,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:45,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869140666] [2023-11-06 22:17:45,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:45,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:45,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:45,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:46,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:46,602 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:17:46,602 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:17:46,602 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:17:46,602 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:17:46,602 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:17:46,602 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:46,603 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:17:46,603 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:17:46,603 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca-2.i_Iteration8_Lasso [2023-11-06 22:17:46,603 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:17:46,603 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:17:46,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:46,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:46,624 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:46,627 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:46,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:46,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:46,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:46,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:46,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:46,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:46,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:46,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:46,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:46,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:46,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:46,999 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:47,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:47,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:47,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:47,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:47,321 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:17:47,321 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:17:47,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:47,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:47,327 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:47,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-06 22:17:47,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:17:47,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:47,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:47,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:47,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:47,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:47,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:47,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:47,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:47,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:47,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:47,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:47,345 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:47,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-06 22:17:47,348 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 [2023-11-06 22:17:47,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:47,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:47,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:47,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:47,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:47,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:47,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:47,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:47,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-06 22:17:47,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:47,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:47,363 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:47,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-06 22:17:47,366 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 [2023-11-06 22:17:47,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:47,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:47,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:47,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:47,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:47,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:47,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:47,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:47,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:47,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:47,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:47,382 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:47,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-06 22:17:47,384 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 [2023-11-06 22:17:47,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:47,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:47,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:47,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:47,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:47,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:47,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:47,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:47,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-06 22:17:47,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:47,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:47,400 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:47,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-06 22:17:47,403 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 [2023-11-06 22:17:47,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:47,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:47,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:47,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:47,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:47,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:47,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:47,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:47,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:47,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:47,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:47,438 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:47,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-06 22:17:47,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:17:47,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:47,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:47,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:47,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:47,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:47,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:47,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:47,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:47,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:47,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:47,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:47,489 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:47,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-06 22:17:47,493 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 [2023-11-06 22:17:47,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:47,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:47,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:47,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:47,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:47,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:47,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:47,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:47,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:47,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:47,529 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:47,538 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 [2023-11-06 22:17:47,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:47,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:47,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:47,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:47,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:47,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:47,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-06 22:17:47,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:47,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:47,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:47,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:47,568 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:47,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:17:47,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:47,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:47,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:47,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:47,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:47,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:47,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:47,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-06 22:17:47,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:47,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:47,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:47,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:47,610 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:47,619 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 [2023-11-06 22:17:47,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-06 22:17:47,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:47,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:47,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:47,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:47,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:47,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:47,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:47,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-06 22:17:47,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:47,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:47,648 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:47,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-06 22:17:47,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:17:47,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:47,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:47,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:47,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:47,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:47,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:47,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:47,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-06 22:17:47,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:47,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:47,676 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:47,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-06 22:17:47,682 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 [2023-11-06 22:17:47,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:47,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:47,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:47,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:47,695 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:47,695 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:47,700 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:17:47,712 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-06 22:17:47,712 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-11-06 22:17:47,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:47,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:47,713 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:47,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-06 22:17:47,716 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:17:47,727 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:17:47,727 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:17:47,727 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_5) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_5 Supporting invariants [] [2023-11-06 22:17:47,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-06 22:17:47,781 INFO L156 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2023-11-06 22:17:47,795 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:47,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:17:47,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:47,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:17:47,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:47,866 INFO L351 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 27 treesize of output 15 [2023-11-06 22:17:47,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:47,897 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-06 22:17:47,898 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:47,939 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 101 states and 120 transitions. Complement of second has 7 states. [2023-11-06 22:17:47,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 22:17:47,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:47,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2023-11-06 22:17:47,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 5 letters. [2023-11-06 22:17:47,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:47,942 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:17:47,953 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:47,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:17:47,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:48,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:17:48,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:48,021 INFO L351 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 27 treesize of output 15 [2023-11-06 22:17:48,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:48,050 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-06 22:17:48,050 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:48,093 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 101 states and 120 transitions. Complement of second has 7 states. [2023-11-06 22:17:48,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 22:17:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:48,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2023-11-06 22:17:48,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 5 letters. [2023-11-06 22:17:48,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:48,095 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:17:48,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:48,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:17:48,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:48,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:17:48,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:48,170 INFO L351 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 27 treesize of output 15 [2023-11-06 22:17:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:48,195 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-06 22:17:48,195 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:48,231 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 60 states and 73 transitions. cyclomatic complexity: 20. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 83 states and 97 transitions. Complement of second has 6 states. [2023-11-06 22:17:48,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 22:17:48,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:48,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2023-11-06 22:17:48,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 5 letters. [2023-11-06 22:17:48,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:48,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 5 letters. [2023-11-06 22:17:48,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:48,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 10 letters. [2023-11-06 22:17:48,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:48,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 97 transitions. [2023-11-06 22:17:48,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:17:48,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 62 states and 74 transitions. [2023-11-06 22:17:48,236 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-06 22:17:48,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-06 22:17:48,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 74 transitions. [2023-11-06 22:17:48,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 22:17:48,237 INFO L218 hiAutomatonCegarLoop]: Abstraction has 62 states and 74 transitions. [2023-11-06 22:17:48,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 74 transitions. [2023-11-06 22:17:48,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 55. [2023-11-06 22:17:48,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.2) internal successors, (66), 54 states have internal predecessors, (66), 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) [2023-11-06 22:17:48,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2023-11-06 22:17:48,241 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 66 transitions. [2023-11-06 22:17:48,241 INFO L428 stractBuchiCegarLoop]: Abstraction has 55 states and 66 transitions. [2023-11-06 22:17:48,241 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-06 22:17:48,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 66 transitions. [2023-11-06 22:17:48,242 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-06 22:17:48,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:17:48,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:17:48,243 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 1, 1, 1] [2023-11-06 22:17:48,243 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-06 22:17:48,243 INFO L748 eck$LassoCheckResult]: Stem: 1869#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1870#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~mem9#1, main_#t~nondet10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~nondet14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~short8#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~nondet4#1;call write~int(main_#t~nondet4#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;call write~int(main_#t~nondet5#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet5#1; 1875#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1884#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1883#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1882#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1;havoc main_#t~nondet10#1; 1878#L554 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem13#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem13#1; 1880#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1903#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1904#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1898#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1;havoc main_#t~nondet10#1; 1895#L554 assume 0 != main_#t~nondet10#1;havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~nondet12#1;call write~int(main_#t~nondet12#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet12#1; 1887#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1893#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1891#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1889#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1;havoc main_#t~nondet10#1; 1886#L554 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem13#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem13#1; 1871#L561-2 [2023-11-06 22:17:48,243 INFO L750 eck$LassoCheckResult]: Loop: 1871#L561-2 call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short8#1 := 0 != main_#t~mem6#1; 1872#L552-1 assume main_#t~short8#1;call main_#t~mem7#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short8#1 := main_#t~mem7#1 > 0; 1890#L552-3 assume !!main_#t~short8#1;havoc main_#t~mem6#1;havoc main_#t~mem7#1;havoc main_#t~short8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1858#L553 assume main_#t~mem9#1 > 0;havoc main_#t~mem9#1;havoc main_#t~nondet10#1; 1859#L554 assume !(0 != main_#t~nondet10#1);havoc main_#t~nondet10#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem13#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem13#1; 1871#L561-2 [2023-11-06 22:17:48,244 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:48,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1675310445, now seen corresponding path program 1 times [2023-11-06 22:17:48,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:48,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194984234] [2023-11-06 22:17:48,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:48,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:48,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:48,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:48,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:48,307 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:48,307 INFO L85 PathProgramCache]: Analyzing trace with hash 35409683, now seen corresponding path program 2 times [2023-11-06 22:17:48,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:48,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188994774] [2023-11-06 22:17:48,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:48,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:48,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:48,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:48,318 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:48,319 INFO L85 PathProgramCache]: Analyzing trace with hash 143216577, now seen corresponding path program 2 times [2023-11-06 22:17:48,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:48,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79763272] [2023-11-06 22:17:48,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:48,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:48,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:48,351 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:49,868 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:17:49,868 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:17:49,868 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:17:49,868 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:17:49,868 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:17:49,868 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:49,869 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:17:49,869 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:17:49,869 INFO L133 ssoRankerPreferences]: Filename of dumped script: Urban-alloca-2.i_Iteration9_Lasso [2023-11-06 22:17:49,869 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:17:49,869 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:17:49,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:49,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:49,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,207 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:17:50,541 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:17:50,541 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:17:50,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:50,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:50,548 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:50,550 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 [2023-11-06 22:17:50,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-06 22:17:50,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:50,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:50,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:50,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:50,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:50,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:50,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:50,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:50,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-11-06 22:17:50,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:50,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:50,567 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:50,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-06 22:17:50,569 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 [2023-11-06 22:17:50,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:50,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:17:50,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:50,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:50,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:50,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:17:50,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:17:50,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:17:50,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:50,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:50,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:50,585 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:50,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-06 22:17:50,588 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 [2023-11-06 22:17:50,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:17:50,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:17:50,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:17:50,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:17:50,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:17:50,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:17:50,610 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:17:50,621 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-06 22:17:50,621 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-06 22:17:50,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:50,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:50,623 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:50,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-06 22:17:50,625 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:17:50,636 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:17:50,636 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:17:50,636 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) 0)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) 0)_3 Supporting invariants [] [2023-11-06 22:17:50,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:50,678 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2023-11-06 22:17:50,680 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y~0!base] could not be translated [2023-11-06 22:17:50,680 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y~0!base][0] could not be translated [2023-11-06 22:17:50,701 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:50,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:17:50,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:50,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:17:50,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:50,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:50,891 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 [2023-11-06 22:17:50,891 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2023-11-06 22:17:50,964 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 63 states and 74 transitions. Complement of second has 10 states. [2023-11-06 22:17:50,965 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 [2023-11-06 22:17:50,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2023-11-06 22:17:50,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2023-11-06 22:17:50,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 17 letters. Loop has 5 letters. [2023-11-06 22:17:50,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:50,967 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:17:50,991 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:51,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:17:51,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:51,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:17:51,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:51,169 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-06 22:17:51,170 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2023-11-06 22:17:51,246 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 63 states and 74 transitions. Complement of second has 10 states. [2023-11-06 22:17:51,247 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 [2023-11-06 22:17:51,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2023-11-06 22:17:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2023-11-06 22:17:51,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 17 letters. Loop has 5 letters. [2023-11-06 22:17:51,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:51,248 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 22:17:51,273 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:51,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:17:51,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:51,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:17:51,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:17:51,454 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-06 22:17:51,454 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2023-11-06 22:17:51,516 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 66 transitions. cyclomatic complexity: 17. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 72 states and 84 transitions. Complement of second has 9 states. [2023-11-06 22:17:51,517 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 [2023-11-06 22:17:51,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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) [2023-11-06 22:17:51,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2023-11-06 22:17:51,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 17 letters. Loop has 5 letters. [2023-11-06 22:17:51,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:51,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 22 letters. Loop has 5 letters. [2023-11-06 22:17:51,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:51,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 17 letters. Loop has 10 letters. [2023-11-06 22:17:51,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:17:51,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 84 transitions. [2023-11-06 22:17:51,520 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:17:51,520 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 0 states and 0 transitions. [2023-11-06 22:17:51,520 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:17:51,520 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:17:51,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:17:51,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:17:51,521 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:17:51,521 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:17:51,521 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:17:51,521 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-06 22:17:51,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:17:51,522 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:17:51,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 22:17:51,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:17:51 BoogieIcfgContainer [2023-11-06 22:17:51,529 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:17:51,529 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:17:51,529 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:17:51,530 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:17:51,530 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:17:32" (3/4) ... [2023-11-06 22:17:51,532 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:17:51,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:17:51,534 INFO L158 Benchmark]: Toolchain (without parser) took 19980.53ms. Allocated memory was 174.1MB in the beginning and 302.0MB in the end (delta: 127.9MB). Free memory was 146.1MB in the beginning and 170.3MB in the end (delta: -24.1MB). Peak memory consumption was 105.3MB. Max. memory is 16.1GB. [2023-11-06 22:17:51,534 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 174.1MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:17:51,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.71ms. Allocated memory is still 174.1MB. Free memory was 145.7MB in the beginning and 129.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:17:51,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.65ms. Allocated memory is still 174.1MB. Free memory was 129.9MB in the beginning and 128.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:17:51,535 INFO L158 Benchmark]: Boogie Preprocessor took 25.81ms. Allocated memory is still 174.1MB. Free memory was 128.3MB in the beginning and 126.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:17:51,536 INFO L158 Benchmark]: RCFGBuilder took 351.21ms. Allocated memory is still 174.1MB. Free memory was 126.8MB in the beginning and 114.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:17:51,536 INFO L158 Benchmark]: BuchiAutomizer took 19115.54ms. Allocated memory was 174.1MB in the beginning and 302.0MB in the end (delta: 127.9MB). Free memory was 114.7MB in the beginning and 170.3MB in the end (delta: -55.6MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2023-11-06 22:17:51,536 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 302.0MB. Free memory is still 170.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:17:51,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 174.1MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.71ms. Allocated memory is still 174.1MB. Free memory was 145.7MB in the beginning and 129.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.65ms. Allocated memory is still 174.1MB. Free memory was 129.9MB in the beginning and 128.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.81ms. Allocated memory is still 174.1MB. Free memory was 128.3MB in the beginning and 126.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 351.21ms. Allocated memory is still 174.1MB. Free memory was 126.8MB in the beginning and 114.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 19115.54ms. Allocated memory was 174.1MB in the beginning and 302.0MB in the end (delta: 127.9MB). Free memory was 114.7MB in the beginning and 170.3MB in the end (delta: -55.6MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 302.0MB. Free memory is still 170.3MB. 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[~x~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y~0!base][0] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (3 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function NULL and consists of 8 locations. One deterministic module has affine ranking function *x and consists of 6 locations. One deterministic module has affine ranking function *y and consists of 5 locations. One deterministic module has affine ranking function NULL and consists of 7 locations. One nondeterministic module has affine ranking function (-1 * *x) and consists of 4 locations. One nondeterministic module has affine ranking function NULL and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.0s and 10 iterations. TraceHistogramMax:3. Analysis of lassos took 15.6s. Construction of modules took 0.4s. Büchi inclusion checks took 2.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 8. Automata minimization 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 67 StatesRemovedByMinimization, 5 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 214 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 210 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 405 IncrementalHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 98 mSDtfsCounter, 405 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital278 mio100 ax106 hnf100 lsp91 ukn50 mio100 lsp29 div100 bol100 ite100 ukn100 eq180 hnf89 smp99 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms 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! [2023-11-06 22:17:51,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:51,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:51,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:52,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b12b9c61-0fe4-443c-9571-33ac0fdc9868/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE