./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7d91838293b2ae7cb3f7f9efd98a90268dc3919932b26265bdec6e6111b9d2cf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:35:49,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:35:49,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-19 07:35:49,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:35:49,610 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:35:49,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:35:49,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:35:49,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:35:49,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:35:49,673 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:35:49,673 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:35:49,674 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:35:49,675 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:35:49,677 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:35:49,677 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:35:49,678 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:35:49,678 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:35:49,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:35:49,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:35:49,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:35:49,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:35:49,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:35:49,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:35:49,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:35:49,683 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:35:49,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:35:49,703 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:35:49,704 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:35:49,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:35:49,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:35:49,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:35:49,707 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:35:49,707 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:35:49,708 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_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d91838293b2ae7cb3f7f9efd98a90268dc3919932b26265bdec6e6111b9d2cf [2023-11-19 07:35:49,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:35:49,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:35:49,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:35:49,992 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:35:49,993 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:35:49,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2023-11-19 07:35:53,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:35:53,515 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:35:53,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/sv-benchmarks/c/termination-memory-alloca/diff-alloca-1.i [2023-11-19 07:35:53,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/data/4a019d182/33e174cf25c24f1384bfebfa863fac89/FLAG467ab0541 [2023-11-19 07:35:53,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/data/4a019d182/33e174cf25c24f1384bfebfa863fac89 [2023-11-19 07:35:53,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:35:53,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:35:53,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:53,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:35:53,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:35:53,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:53" (1/1) ... [2023-11-19 07:35:53,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb08a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:53, skipping insertion in model container [2023-11-19 07:35:53,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:53" (1/1) ... [2023-11-19 07:35:53,634 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:35:53,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:53,962 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:35:54,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:54,035 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:35:54,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:54 WrapperNode [2023-11-19 07:35:54,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:54,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:54,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:35:54,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:35:54,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:54" (1/1) ... [2023-11-19 07:35:54,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:54" (1/1) ... [2023-11-19 07:35:54,083 INFO L138 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2023-11-19 07:35:54,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:54,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:35:54,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:35:54,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:35:54,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:54" (1/1) ... [2023-11-19 07:35:54,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:54" (1/1) ... [2023-11-19 07:35:54,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:54" (1/1) ... [2023-11-19 07:35:54,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:54" (1/1) ... [2023-11-19 07:35:54,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:54" (1/1) ... [2023-11-19 07:35:54,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:54" (1/1) ... [2023-11-19 07:35:54,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:54" (1/1) ... [2023-11-19 07:35:54,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:54" (1/1) ... [2023-11-19 07:35:54,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:35:54,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:35:54,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:35:54,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:35:54,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:54" (1/1) ... [2023-11-19 07:35:54,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:54,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:54,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:54,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:35:54,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:35:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:35:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:35:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:35:54,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:35:54,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:35:54,335 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:35:54,337 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:35:54,554 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:35:54,563 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:35:54,563 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:35:54,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:54 BoogieIcfgContainer [2023-11-19 07:35:54,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:35:54,568 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:35:54,568 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:35:54,572 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:35:54,572 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:35:54,573 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:35:53" (1/3) ... [2023-11-19 07:35:54,575 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6493af82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:35:54, skipping insertion in model container [2023-11-19 07:35:54,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:35:54,576 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:54" (2/3) ... [2023-11-19 07:35:54,577 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6493af82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:35:54, skipping insertion in model container [2023-11-19 07:35:54,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:35:54,577 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:54" (3/3) ... [2023-11-19 07:35:54,579 INFO L332 chiAutomizerObserver]: Analyzing ICFG diff-alloca-1.i [2023-11-19 07:35:54,647 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:35:54,647 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:35:54,647 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:35:54,647 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:35:54,647 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:35:54,647 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:35:54,648 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:35:54,648 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:35:54,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 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) [2023-11-19 07:35:54,672 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:35:54,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:54,672 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:54,687 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 07:35:54,687 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-19 07:35:54,687 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:35:54,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 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) [2023-11-19 07:35:54,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:35:54,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:54,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:54,690 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 07:35:54,691 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-19 07:35:54,699 INFO L748 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;havoc main_#t~nondet8#1;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 14#L574true assume !(main_~Alen~0#1 < 1); 6#L574-2true assume !(main_~Blen~0#1 < 1); 11#L577-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1 % 18446744073709551616);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 12#L554-2true [2023-11-19 07:35:54,700 INFO L750 eck$LassoCheckResult]: Loop: 12#L554-2true assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 7#L558-2true assume !true; 4#L557-2true assume 0 == diff_~found~0#1;call diff_#t~mem5#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call write~int(diff_#t~mem5#1, diff_~D#1.base, diff_~D#1.offset + 4 * diff_~k~0#1, 4);havoc diff_#t~mem5#1;diff_#t~post6#1 := diff_~k~0#1;diff_~k~0#1 := 1 + diff_#t~post6#1;havoc diff_#t~post6#1; 5#L564-1true diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1;havoc diff_~j~0#1; 12#L554-2true [2023-11-19 07:35:54,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:54,706 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2023-11-19 07:35:54,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:54,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030219517] [2023-11-19 07:35:54,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:54,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:54,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:54,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:54,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:54,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1679350, now seen corresponding path program 1 times [2023-11-19 07:35:54,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:54,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45936489] [2023-11-19 07:35:54,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:54,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:55,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:55,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45936489] [2023-11-19 07:35:55,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45936489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:55,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:55,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:35:55,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885751179] [2023-11-19 07:35:55,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:55,008 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:35:55,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:55,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:35:55,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:35:55,049 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-19 07:35:55,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:55,056 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2023-11-19 07:35:55,057 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2023-11-19 07:35:55,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:35:55,063 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 15 transitions. [2023-11-19 07:35:55,064 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-19 07:35:55,064 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-19 07:35:55,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 15 transitions. [2023-11-19 07:35:55,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:35:55,065 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2023-11-19 07:35:55,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 15 transitions. [2023-11-19 07:35:55,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-19 07:35:55,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:55,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. [2023-11-19 07:35:55,094 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 15 transitions. [2023-11-19 07:35:55,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:35:55,099 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 15 transitions. [2023-11-19 07:35:55,099 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:35:55,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. [2023-11-19 07:35:55,100 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:35:55,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:55,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:55,101 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 07:35:55,101 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-19 07:35:55,102 INFO L748 eck$LassoCheckResult]: Stem: 42#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 43#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;havoc main_#t~nondet8#1;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 45#L574 assume !(main_~Alen~0#1 < 1); 44#L574-2 assume !(main_~Blen~0#1 < 1); 41#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1 % 18446744073709551616);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 40#L554-2 [2023-11-19 07:35:55,102 INFO L750 eck$LassoCheckResult]: Loop: 40#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 39#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 36#L557-2 assume 0 == diff_~found~0#1;call diff_#t~mem5#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call write~int(diff_#t~mem5#1, diff_~D#1.base, diff_~D#1.offset + 4 * diff_~k~0#1, 4);havoc diff_#t~mem5#1;diff_#t~post6#1 := diff_~k~0#1;diff_~k~0#1 := 1 + diff_#t~post6#1;havoc diff_#t~post6#1; 37#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1;havoc diff_~j~0#1; 40#L554-2 [2023-11-19 07:35:55,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:55,103 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2023-11-19 07:35:55,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:55,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656836951] [2023-11-19 07:35:55,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:55,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:55,138 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:55,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:55,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:55,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1669740, now seen corresponding path program 1 times [2023-11-19 07:35:55,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:55,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353794183] [2023-11-19 07:35:55,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:55,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:55,184 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:55,203 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:55,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:55,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1298476337, now seen corresponding path program 1 times [2023-11-19 07:35:55,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:55,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276936837] [2023-11-19 07:35:55,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:55,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:55,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:55,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:55,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276936837] [2023-11-19 07:35:55,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276936837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:55,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:55,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:35:55,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180583126] [2023-11-19 07:35:55,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:55,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:55,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:35:55,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:35:55,836 INFO L87 Difference]: Start difference. First operand 10 states and 15 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:55,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:55,910 INFO L93 Difference]: Finished difference Result 12 states and 18 transitions. [2023-11-19 07:35:55,910 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 18 transitions. [2023-11-19 07:35:55,911 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:35:55,912 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 18 transitions. [2023-11-19 07:35:55,913 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-19 07:35:55,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-19 07:35:55,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 18 transitions. [2023-11-19 07:35:55,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:35:55,913 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 18 transitions. [2023-11-19 07:35:55,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 18 transitions. [2023-11-19 07:35:55,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-19 07:35:55,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:55,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2023-11-19 07:35:55,916 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 16 transitions. [2023-11-19 07:35:55,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:35:55,919 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2023-11-19 07:35:55,920 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:35:55,924 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2023-11-19 07:35:55,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2023-11-19 07:35:55,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:55,927 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:55,929 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 07:35:55,930 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:35:55,931 INFO L748 eck$LassoCheckResult]: Stem: 79#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 80#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;havoc main_#t~nondet8#1;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 82#L574 assume !(main_~Alen~0#1 < 1); 81#L574-2 assume !(main_~Blen~0#1 < 1); 77#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1 % 18446744073709551616);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 76#L554-2 [2023-11-19 07:35:55,932 INFO L750 eck$LassoCheckResult]: Loop: 76#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 78#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 72#L558 assume diff_#t~mem2#1 == diff_#t~mem3#1;havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_~found~0#1 := 1; 73#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 74#L557-2 assume 0 == diff_~found~0#1;call diff_#t~mem5#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call write~int(diff_#t~mem5#1, diff_~D#1.base, diff_~D#1.offset + 4 * diff_~k~0#1, 4);havoc diff_#t~mem5#1;diff_#t~post6#1 := diff_~k~0#1;diff_~k~0#1 := 1 + diff_#t~post6#1;havoc diff_#t~post6#1; 75#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1;havoc diff_~j~0#1; 76#L554-2 [2023-11-19 07:35:55,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:55,933 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 3 times [2023-11-19 07:35:55,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:55,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77739922] [2023-11-19 07:35:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:55,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:55,983 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:56,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:56,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:56,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1606183209, now seen corresponding path program 1 times [2023-11-19 07:35:56,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:56,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902574946] [2023-11-19 07:35:56,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:56,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:56,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:56,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902574946] [2023-11-19 07:35:56,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902574946] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:56,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:56,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:35:56,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594703815] [2023-11-19 07:35:56,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:56,073 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:35:56,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:56,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:35:56,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:35:56,075 INFO L87 Difference]: Start difference. First operand 11 states and 16 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:56,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:56,112 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2023-11-19 07:35:56,112 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2023-11-19 07:35:56,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-19 07:35:56,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2023-11-19 07:35:56,114 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-19 07:35:56,114 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-19 07:35:56,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2023-11-19 07:35:56,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:35:56,115 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-19 07:35:56,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2023-11-19 07:35:56,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 13. [2023-11-19 07:35:56,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:56,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-11-19 07:35:56,118 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-19 07:35:56,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:35:56,120 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-19 07:35:56,120 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:35:56,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2023-11-19 07:35:56,121 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 07:35:56,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:56,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:56,122 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 07:35:56,122 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:35:56,122 INFO L748 eck$LassoCheckResult]: Stem: 116#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 117#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;havoc main_#t~nondet8#1;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 119#L574 assume !(main_~Alen~0#1 < 1); 118#L574-2 assume !(main_~Blen~0#1 < 1); 114#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1 % 18446744073709551616);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 113#L554-2 [2023-11-19 07:35:56,122 INFO L750 eck$LassoCheckResult]: Loop: 113#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 115#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 108#L558 assume diff_#t~mem2#1 == diff_#t~mem3#1;havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_~found~0#1 := 1; 109#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 111#L557-2 assume !(0 == diff_~found~0#1); 112#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1;havoc diff_~j~0#1; 113#L554-2 [2023-11-19 07:35:56,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:56,123 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 4 times [2023-11-19 07:35:56,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:56,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361022550] [2023-11-19 07:35:56,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:56,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:56,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:56,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:56,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:56,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1606183271, now seen corresponding path program 1 times [2023-11-19 07:35:56,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:56,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801159742] [2023-11-19 07:35:56,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:56,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:56,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:56,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:56,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:56,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1998160148, now seen corresponding path program 1 times [2023-11-19 07:35:56,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:56,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787183285] [2023-11-19 07:35:56,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:56,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:56,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:56,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:57,629 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:35:57,630 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:35:57,630 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:35:57,630 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:35:57,631 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:35:57,631 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,631 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:35:57,631 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:35:57,631 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration4_Lasso [2023-11-19 07:35:57,632 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:35:57,632 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:35:57,668 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:57,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:57,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:57,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:57,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:57,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:59,239 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:35:59,244 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:35:59,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:59,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:59,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:59,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:35:59,258 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 [2023-11-19 07:35:59,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:59,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:59,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:59,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:59,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:59,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:59,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:59,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:59,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:59,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:59,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:59,321 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:59,325 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 [2023-11-19 07:35:59,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:59,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:59,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:59,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:59,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:59,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:59,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:59,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:35:59,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:59,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:59,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:59,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:59,383 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:59,390 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 [2023-11-19 07:35:59,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:59,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:59,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:59,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:59,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:59,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:59,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:59,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:35:59,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:59,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:59,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:59,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:59,431 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:59,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:35:59,434 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 [2023-11-19 07:35:59,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:59,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:59,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:59,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:59,454 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:35:59,454 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:35:59,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:59,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:59,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:59,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:59,491 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:59,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:35:59,503 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 [2023-11-19 07:35:59,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:59,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:59,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:59,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:59,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:35:59,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:35:59,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:59,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:59,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:59,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:59,560 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:59,570 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 [2023-11-19 07:35:59,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:59,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:59,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:59,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:59,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:35:59,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:35:59,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:35:59,616 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:35:59,677 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2023-11-19 07:35:59,677 INFO L444 ModelExtractionUtils]: 9 out of 31 variables were initially zero. Simplification set additionally 19 variables to zero. [2023-11-19 07:35:59,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:59,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:59,723 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:59,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:35:59,726 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:35:59,745 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:35:59,745 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:35:59,745 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~l1~0#1, ULTIMATE.start_diff_~i~0#1) = 1*ULTIMATE.start_diff_~l1~0#1 - 1*ULTIMATE.start_diff_~i~0#1 Supporting invariants [] [2023-11-19 07:35:59,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:59,849 INFO L156 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2023-11-19 07:35:59,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:59,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:35:59,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:59,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:35:59,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:35:59,989 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:35:59,991 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2023-11-19 07:36:00,035 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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 21 states and 30 transitions. Complement of second has 4 states. [2023-11-19 07:36:00,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:36:00,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2023-11-19 07:36:00,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2023-11-19 07:36:00,039 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 6 letters. [2023-11-19 07:36:00,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:36:00,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2023-11-19 07:36:00,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:36:00,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 12 letters. [2023-11-19 07:36:00,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:36:00,042 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2023-11-19 07:36:00,043 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 07:36:00,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 24 transitions. [2023-11-19 07:36:00,044 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-19 07:36:00,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-19 07:36:00,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2023-11-19 07:36:00,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:36:00,045 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2023-11-19 07:36:00,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2023-11-19 07:36:00,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2023-11-19 07:36:00,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.4375) internal successors, (23), 15 states have internal predecessors, (23), 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) [2023-11-19 07:36:00,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2023-11-19 07:36:00,047 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 23 transitions. [2023-11-19 07:36:00,048 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2023-11-19 07:36:00,048 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 07:36:00,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 23 transitions. [2023-11-19 07:36:00,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 07:36:00,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:36:00,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:36:00,049 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:36:00,050 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:36:00,050 INFO L748 eck$LassoCheckResult]: Stem: 265#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 266#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;havoc main_#t~nondet8#1;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 268#L574 assume !(main_~Alen~0#1 < 1); 267#L574-2 assume !(main_~Blen~0#1 < 1); 261#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1 % 18446744073709551616);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 262#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 255#L558-2 [2023-11-19 07:36:00,050 INFO L750 eck$LassoCheckResult]: Loop: 255#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 254#L558 assume !(diff_#t~mem2#1 == diff_#t~mem3#1);havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_#t~post4#1 := diff_~j~0#1;diff_~j~0#1 := 1 + diff_#t~post4#1;havoc diff_#t~post4#1; 255#L558-2 [2023-11-19 07:36:00,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:00,051 INFO L85 PathProgramCache]: Analyzing trace with hash 889572242, now seen corresponding path program 1 times [2023-11-19 07:36:00,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:00,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198669455] [2023-11-19 07:36:00,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:00,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:00,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:00,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:00,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:00,084 INFO L85 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times [2023-11-19 07:36:00,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:00,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768695056] [2023-11-19 07:36:00,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:00,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:00,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:00,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:00,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:00,107 INFO L85 PathProgramCache]: Analyzing trace with hash 180433719, now seen corresponding path program 1 times [2023-11-19 07:36:00,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:00,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988663385] [2023-11-19 07:36:00,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:00,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:00,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:00,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:00,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:01,510 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:36:01,510 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:36:01,510 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:36:01,511 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:36:01,511 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:36:01,511 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:01,511 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:36:01,511 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:36:01,511 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration5_Lasso [2023-11-19 07:36:01,511 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:36:01,511 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:36:01,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,531 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,534 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,553 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:02,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:02,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:02,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:02,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:02,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:02,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:02,230 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:02,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:02,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:02,952 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:36:02,955 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:36:02,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:02,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:02,957 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:02,959 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 [2023-11-19 07:36:02,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:02,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:36:02,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:02,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:02,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:02,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:36:02,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:36:02,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:36:02,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:03,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:03,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:03,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:03,003 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:03,011 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 [2023-11-19 07:36:03,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:36:03,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:03,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:03,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:03,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:03,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:03,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:03,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:03,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:03,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:03,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:03,062 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:03,074 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 [2023-11-19 07:36:03,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:03,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:03,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:03,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:03,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:03,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:03,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:36:03,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:03,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:03,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:03,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:03,125 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:03,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:36:03,142 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 [2023-11-19 07:36:03,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:03,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:03,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:03,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:03,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:03,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:03,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:03,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:03,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:03,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:03,211 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:03,219 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 [2023-11-19 07:36:03,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:03,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:03,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:03,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:03,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:03,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:03,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:36:03,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:03,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-19 07:36:03,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:03,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:03,273 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:03,283 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 [2023-11-19 07:36:03,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:36:03,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:03,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:36:03,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:03,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:03,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:03,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:36:03,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:36:03,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:03,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:03,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:03,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:03,334 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:03,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:36:03,359 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 [2023-11-19 07:36:03,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:03,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:03,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:03,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:03,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:03,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:03,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:03,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:03,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:03,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:03,419 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:03,431 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 [2023-11-19 07:36:03,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:36:03,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:03,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:36:03,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:03,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:03,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:03,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:36:03,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:36:03,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:03,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:03,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:03,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:03,483 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:03,495 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 [2023-11-19 07:36:03,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:03,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:03,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:03,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:03,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:36:03,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:03,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:03,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:03,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:03,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:03,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:03,558 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:03,575 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 [2023-11-19 07:36:03,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:36:03,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:03,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:36:03,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:03,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:03,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:03,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:36:03,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:36:03,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:03,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:03,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:03,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:03,623 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:03,631 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 [2023-11-19 07:36:03,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:36:03,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:03,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:03,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:03,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:03,647 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:03,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:03,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:03,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:03,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:03,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:03,690 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:03,703 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 [2023-11-19 07:36:03,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:36:03,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:03,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:03,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:03,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:03,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:03,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:03,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:03,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:03,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:03,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:03,761 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:03,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:36:03,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:36:03,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:03,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:03,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:03,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:03,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:03,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:03,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:03,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:03,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:03,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:03,826 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:03,828 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 [2023-11-19 07:36:03,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:03,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:03,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:03,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:03,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:03,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:03,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:36:03,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:03,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:03,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:03,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:03,887 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:03,889 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 [2023-11-19 07:36:03,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:36:03,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:03,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:03,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:03,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:03,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:03,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:03,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:03,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:03,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:03,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:03,944 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:03,963 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 [2023-11-19 07:36:03,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:03,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:03,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:03,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:03,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:36:03,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:03,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:03,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:04,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:04,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:04,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:04,016 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:04,022 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 [2023-11-19 07:36:04,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:04,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:04,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:04,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:04,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:04,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:04,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 07:36:04,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:04,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:04,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:04,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:04,080 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:04,084 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 [2023-11-19 07:36:04,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:04,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:04,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:04,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:04,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 07:36:04,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:04,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:04,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:04,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:04,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:04,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:04,163 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:04,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:36:04,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:04,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:04,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:04,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:04,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 07:36:04,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:04,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:04,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:04,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:04,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:04,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:04,231 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:04,233 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 [2023-11-19 07:36:04,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 07:36:04,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:04,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:04,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:04,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:04,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:04,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:04,289 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:36:04,329 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-19 07:36:04,329 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. [2023-11-19 07:36:04,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:04,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:04,331 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:04,334 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:36:04,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 07:36:04,367 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:36:04,367 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:36:04,368 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~j~0#1, ULTIMATE.start_diff_~l2~0#1) = -1*ULTIMATE.start_diff_~j~0#1 + 1*ULTIMATE.start_diff_~l2~0#1 Supporting invariants [] [2023-11-19 07:36:04,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:04,454 INFO L156 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2023-11-19 07:36:04,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:04,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:36:04,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:04,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:36:04,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:04,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:36:04,539 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:36:04,539 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:36:04,576 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 23 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 47 transitions. Complement of second has 7 states. [2023-11-19 07:36:04,576 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 [2023-11-19 07:36:04,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:36:04,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2023-11-19 07:36:04,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-19 07:36:04,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:36:04,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-19 07:36:04,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:36:04,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-19 07:36:04,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:36:04,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2023-11-19 07:36:04,587 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 07:36:04,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 25 states and 35 transitions. [2023-11-19 07:36:04,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-19 07:36:04,591 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-19 07:36:04,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 35 transitions. [2023-11-19 07:36:04,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:36:04,591 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 35 transitions. [2023-11-19 07:36:04,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 35 transitions. [2023-11-19 07:36:04,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20. [2023-11-19 07:36:04,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 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) [2023-11-19 07:36:04,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2023-11-19 07:36:04,597 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2023-11-19 07:36:04,597 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2023-11-19 07:36:04,597 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 07:36:04,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2023-11-19 07:36:04,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 07:36:04,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:36:04,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:36:04,599 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:04,600 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:36:04,601 INFO L748 eck$LassoCheckResult]: Stem: 422#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 423#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_~Alen~0#1, main_~Blen~0#1, main_~A~0#1.base, main_~A~0#1.offset, main_~B~0#1.base, main_~B~0#1.offset, main_~D~0#1.base, main_~D~0#1.offset;havoc main_#t~nondet8#1;main_~Alen~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~Blen~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 426#L574 assume !(main_~Alen~0#1 < 1); 425#L574-2 assume !(main_~Blen~0#1 < 1); 418#L577-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~A~0#1.base, main_~A~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(4 * main_~Blen~0#1 % 18446744073709551616);main_~B~0#1.base, main_~B~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(4 * main_~Alen~0#1 % 18446744073709551616);main_~D~0#1.base, main_~D~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;assume { :begin_inline_diff } true;diff_#in~A#1.base, diff_#in~A#1.offset, diff_#in~Alen#1, diff_#in~B#1.base, diff_#in~B#1.offset, diff_#in~Blen#1, diff_#in~D#1.base, diff_#in~D#1.offset := main_~A~0#1.base, main_~A~0#1.offset, main_~Alen~0#1, main_~B~0#1.base, main_~B~0#1.offset, main_~Blen~0#1, main_~D~0#1.base, main_~D~0#1.offset;havoc diff_#t~mem2#1, diff_#t~mem3#1, diff_#t~post4#1, diff_#t~mem5#1, diff_#t~post6#1, diff_#t~post7#1, diff_~j~0#1, diff_~A#1.base, diff_~A#1.offset, diff_~Alen#1, diff_~B#1.base, diff_~B#1.offset, diff_~Blen#1, diff_~D#1.base, diff_~D#1.offset, diff_~k~0#1, diff_~i~0#1, diff_~l1~0#1, diff_~l2~0#1, diff_~found~0#1;diff_~A#1.base, diff_~A#1.offset := diff_#in~A#1.base, diff_#in~A#1.offset;diff_~Alen#1 := diff_#in~Alen#1;diff_~B#1.base, diff_~B#1.offset := diff_#in~B#1.base, diff_#in~B#1.offset;diff_~Blen#1 := diff_#in~Blen#1;diff_~D#1.base, diff_~D#1.offset := diff_#in~D#1.base, diff_#in~D#1.offset;diff_~k~0#1 := 0;diff_~i~0#1 := 0;diff_~l1~0#1 := diff_~Alen#1;diff_~l2~0#1 := diff_~Blen#1;havoc diff_~found~0#1; 419#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 420#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 429#L558 assume diff_#t~mem2#1 == diff_#t~mem3#1;havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_~found~0#1 := 1; 424#L558-2 assume !(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1); 411#L557-2 assume !(0 == diff_~found~0#1); 412#L564-1 diff_#t~post7#1 := diff_~i~0#1;diff_~i~0#1 := 1 + diff_#t~post7#1;havoc diff_#t~post7#1;havoc diff_~j~0#1; 417#L554-2 assume !!(diff_~i~0#1 < diff_~l1~0#1);diff_~j~0#1 := 0;diff_~found~0#1 := 0; 414#L558-2 [2023-11-19 07:36:04,601 INFO L750 eck$LassoCheckResult]: Loop: 414#L558-2 assume !!(diff_~j~0#1 < diff_~l2~0#1 && 0 == diff_~found~0#1);call diff_#t~mem2#1 := read~int(diff_~A#1.base, diff_~A#1.offset + 4 * diff_~i~0#1, 4);call diff_#t~mem3#1 := read~int(diff_~B#1.base, diff_~B#1.offset + 4 * diff_~j~0#1, 4); 413#L558 assume !(diff_#t~mem2#1 == diff_#t~mem3#1);havoc diff_#t~mem2#1;havoc diff_#t~mem3#1;diff_#t~post4#1 := diff_~j~0#1;diff_~j~0#1 := 1 + diff_#t~post4#1;havoc diff_#t~post4#1; 414#L558-2 [2023-11-19 07:36:04,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:04,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1813422420, now seen corresponding path program 2 times [2023-11-19 07:36:04,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:04,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14542503] [2023-11-19 07:36:04,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:04,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:04,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:04,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:04,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:04,683 INFO L85 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 2 times [2023-11-19 07:36:04,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:04,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571324132] [2023-11-19 07:36:04,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:04,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:04,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:04,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:04,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:04,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1057777617, now seen corresponding path program 1 times [2023-11-19 07:36:04,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:04,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284801218] [2023-11-19 07:36:04,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:04,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:04,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:04,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:05,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:06,157 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:36:06,158 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:36:06,158 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:36:06,158 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:36:06,158 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:36:06,158 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:06,158 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:36:06,158 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:36:06,158 INFO L133 ssoRankerPreferences]: Filename of dumped script: diff-alloca-1.i_Iteration6_Lasso [2023-11-19 07:36:06,158 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:36:06,158 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:36:06,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,917 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,931 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:06,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:07,703 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:36:07,703 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:36:07,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:07,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:07,706 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:07,709 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 [2023-11-19 07:36:07,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:07,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:07,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:07,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:07,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 07:36:07,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:07,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:07,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:07,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:07,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:07,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:07,774 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:07,778 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 [2023-11-19 07:36:07,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:07,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:07,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:07,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:07,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-19 07:36:07,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:07,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:07,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:07,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:07,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:07,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:07,850 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:07,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:36:07,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:07,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:07,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:07,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:07,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:07,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:07,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-19 07:36:07,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:07,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:07,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:07,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:07,909 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:07,911 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 [2023-11-19 07:36:07,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:07,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:07,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:07,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:07,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:07,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:07,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-19 07:36:07,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:07,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:07,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:07,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:07,974 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:07,976 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 [2023-11-19 07:36:07,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:07,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:07,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:07,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:07,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:07,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:08,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:08,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-19 07:36:08,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:08,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:08,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:08,028 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:08,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:36:08,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:08,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:08,046 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 07:36:08,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:08,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-19 07:36:08,054 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-19 07:36:08,054 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-19 07:36:08,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:08,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:08,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:08,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:08,107 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:08,110 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 [2023-11-19 07:36:08,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:08,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:08,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:08,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:08,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-19 07:36:08,131 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:36:08,131 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:36:08,153 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:36:08,183 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-19 07:36:08,183 INFO L444 ModelExtractionUtils]: 10 out of 28 variables were initially zero. Simplification set additionally 15 variables to zero. [2023-11-19 07:36:08,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:08,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:08,184 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:08,187 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:36:08,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-19 07:36:08,222 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:36:08,222 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:36:08,222 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_diff_~j~0#1, ULTIMATE.start_diff_~l2~0#1) = -1*ULTIMATE.start_diff_~j~0#1 + 1*ULTIMATE.start_diff_~l2~0#1 Supporting invariants [] [2023-11-19 07:36:08,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:08,311 INFO L156 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2023-11-19 07:36:08,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:08,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:36:08,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:08,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:36:08,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:08,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:36:08,398 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:36:08,398 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2023-11-19 07:36:08,431 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 32 states and 45 transitions. Complement of second has 7 states. [2023-11-19 07:36:08,431 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 [2023-11-19 07:36:08,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2023-11-19 07:36:08,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2023-11-19 07:36:08,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 2 letters. [2023-11-19 07:36:08,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:36:08,435 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:36:08,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:08,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:36:08,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:08,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:36:08,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:36:08,511 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:36:08,512 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2023-11-19 07:36:08,535 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 32 states and 45 transitions. Complement of second has 7 states. [2023-11-19 07:36:08,536 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 [2023-11-19 07:36:08,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2023-11-19 07:36:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2023-11-19 07:36:08,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 12 letters. Loop has 2 letters. [2023-11-19 07:36:08,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:36:08,539 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:36:08,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:08,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:36:08,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:08,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:36:08,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:08,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:36:08,615 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 2 loop predicates [2023-11-19 07:36:08,616 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2023-11-19 07:36:08,647 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 31 states and 47 transitions. Complement of second has 6 states. [2023-11-19 07:36:08,648 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 [2023-11-19 07:36:08,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2023-11-19 07:36:08,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2023-11-19 07:36:08,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 12 letters. Loop has 2 letters. [2023-11-19 07:36:08,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:36:08,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 14 letters. Loop has 2 letters. [2023-11-19 07:36:08,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:36:08,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 12 letters. Loop has 4 letters. [2023-11-19 07:36:08,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:36:08,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 47 transitions. [2023-11-19 07:36:08,656 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:36:08,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2023-11-19 07:36:08,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:36:08,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:36:08,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:36:08,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:36:08,661 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:36:08,661 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:36:08,661 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:36:08,662 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 07:36:08,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:36:08,662 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:36:08,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:36:08,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:36:08 BoogieIcfgContainer [2023-11-19 07:36:08,671 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:36:08,672 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:36:08,672 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:36:08,672 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:36:08,673 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:54" (3/4) ... [2023-11-19 07:36:08,675 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:36:08,676 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:36:08,676 INFO L158 Benchmark]: Toolchain (without parser) took 15105.23ms. Allocated memory was 130.0MB in the beginning and 237.0MB in the end (delta: 107.0MB). Free memory was 83.8MB in the beginning and 90.4MB in the end (delta: -6.7MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. [2023-11-19 07:36:08,677 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 130.0MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:08,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.26ms. Allocated memory is still 130.0MB. Free memory was 83.6MB in the beginning and 67.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:36:08,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.73ms. Allocated memory is still 130.0MB. Free memory was 67.0MB in the beginning and 65.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:36:08,678 INFO L158 Benchmark]: Boogie Preprocessor took 29.34ms. Allocated memory is still 130.0MB. Free memory was 65.4MB in the beginning and 63.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:36:08,679 INFO L158 Benchmark]: RCFGBuilder took 452.63ms. Allocated memory is still 130.0MB. Free memory was 63.8MB in the beginning and 51.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:36:08,679 INFO L158 Benchmark]: BuchiAutomizer took 14103.19ms. Allocated memory was 130.0MB in the beginning and 237.0MB in the end (delta: 107.0MB). Free memory was 51.2MB in the beginning and 90.4MB in the end (delta: -39.2MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2023-11-19 07:36:08,679 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 237.0MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:08,681 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 130.0MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.26ms. Allocated memory is still 130.0MB. Free memory was 83.6MB in the beginning and 67.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.73ms. Allocated memory is still 130.0MB. Free memory was 67.0MB in the beginning and 65.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.34ms. Allocated memory is still 130.0MB. Free memory was 65.4MB in the beginning and 63.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.63ms. Allocated memory is still 130.0MB. Free memory was 63.8MB in the beginning and 51.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 14103.19ms. Allocated memory was 130.0MB in the beginning and 237.0MB in the end (delta: 107.0MB). Free memory was 51.2MB in the beginning and 90.4MB in the end (delta: -39.2MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 237.0MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function ((-1 * i) + l1) and consists of 3 locations. One deterministic module has affine ranking function (l2 + (-1 * j)) and consists of 4 locations. One nondeterministic module has affine ranking function (l2 + (-1 * j)) and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.0s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 13.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 154 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 109 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital263 mio100 ax106 hnf100 lsp80 ukn91 mio100 lsp30 div156 bol100 ite100 ukn100 eq159 hnf92 smp76 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 54ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 07:36:08,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:08,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2da8a167-c41f-4029-aec4-076985bc3a59/bin/uautomizer-verify-uCwYo4JHxu/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