./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.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_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/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_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/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_4b77daba-bf05-4c49-a31a-3f33335f77a6/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 2e8f354936443b9a529fcf41dfa5e3c742b35e7f73ef50360a09d67c1a48d74d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:58:16,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:58:17,033 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-19 07:58:17,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:58:17,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:58:17,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:58:17,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:58:17,083 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:58:17,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:58:17,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:58:17,093 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:58:17,094 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:58:17,094 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:58:17,097 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:58:17,097 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:58:17,097 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:58:17,098 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:58:17,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:58:17,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:58:17,100 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:58:17,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:58:17,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:58:17,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:58:17,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:58:17,102 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:58:17,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:58:17,103 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:58:17,104 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:58:17,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:58:17,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:58:17,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:58:17,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:58:17,106 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:58:17,106 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_4b77daba-bf05-4c49-a31a-3f33335f77a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e8f354936443b9a529fcf41dfa5e3c742b35e7f73ef50360a09d67c1a48d74d [2023-11-19 07:58:17,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:58:17,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:58:17,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:58:17,497 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:58:17,497 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:58:17,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2023-11-19 07:58:20,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:58:21,073 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:58:21,074 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/sv-benchmarks/c/termination-memory-alloca/b.05-alloca.i [2023-11-19 07:58:21,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/data/70fba6cf0/424bfac5254e4179b1a789e84f258c06/FLAGffdb87454 [2023-11-19 07:58:21,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/data/70fba6cf0/424bfac5254e4179b1a789e84f258c06 [2023-11-19 07:58:21,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:58:21,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:58:21,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:21,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:58:21,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:58:21,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:21" (1/1) ... [2023-11-19 07:58:21,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9135ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:21, skipping insertion in model container [2023-11-19 07:58:21,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:58:21" (1/1) ... [2023-11-19 07:58:21,169 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:58:21,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:21,484 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:58:21,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:58:21,587 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:58:21,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:21 WrapperNode [2023-11-19 07:58:21,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:58:21,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:21,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:58:21,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:58:21,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:21" (1/1) ... [2023-11-19 07:58:21,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:21" (1/1) ... [2023-11-19 07:58:21,652 INFO L138 Inliner]: procedures = 111, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2023-11-19 07:58:21,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:58:21,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:58:21,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:58:21,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:58:21,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:21" (1/1) ... [2023-11-19 07:58:21,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:21" (1/1) ... [2023-11-19 07:58:21,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:21" (1/1) ... [2023-11-19 07:58:21,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:21" (1/1) ... [2023-11-19 07:58:21,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:21" (1/1) ... [2023-11-19 07:58:21,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:21" (1/1) ... [2023-11-19 07:58:21,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:21" (1/1) ... [2023-11-19 07:58:21,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:21" (1/1) ... [2023-11-19 07:58:21,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:58:21,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:58:21,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:58:21,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:58:21,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:21" (1/1) ... [2023-11-19 07:58:21,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:21,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:21,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:21,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:58:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:58:21,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:58:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:58:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:58:21,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:58:21,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:58:21,960 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:58:21,964 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:58:22,172 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:58:22,180 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:58:22,180 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:58:22,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:22 BoogieIcfgContainer [2023-11-19 07:58:22,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:58:22,185 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:58:22,186 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:58:22,190 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:58:22,191 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:58:22,191 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:58:21" (1/3) ... [2023-11-19 07:58:22,192 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4faae5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:58:22, skipping insertion in model container [2023-11-19 07:58:22,192 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:58:22,192 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:58:21" (2/3) ... [2023-11-19 07:58:22,193 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4faae5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:58:22, skipping insertion in model container [2023-11-19 07:58:22,193 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:58:22,193 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:22" (3/3) ... [2023-11-19 07:58:22,195 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.05-alloca.i [2023-11-19 07:58:22,279 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:58:22,281 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:58:22,281 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:58:22,281 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:58:22,281 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:58:22,281 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:58:22,282 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:58:22,282 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:58:22,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 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 07:58:22,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:58:22,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:22,310 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:22,316 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:58:22,317 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:22,317 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:58:22,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 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 07:58:22,321 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:58:22,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:22,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:22,323 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:58:22,323 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:22,332 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~ret17#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~tmp#1 := main_#t~nondet15#1, main_#t~nondet16#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~nondet4#1, test_fun_#t~mem12#1, test_fun_#t~nondet13#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem8#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~short11#1, test_fun_#t~mem14#1, test_fun_~x#1, test_fun_~tmp#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~tmp#1 := test_fun_#in~tmp#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~tmp#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet4#1;call write~int(test_fun_#t~nondet4#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet4#1; 10#L554-11true [2023-11-19 07:58:22,332 INFO L750 eck$LassoCheckResult]: Loop: 10#L554-11true call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0; 4#L554-1true assume test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 >= 0; 13#L554-3true test_fun_#t~short9#1 := test_fun_#t~short7#1; 7#L554-4true assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 1073741824; 14#L554-6true test_fun_#t~short11#1 := test_fun_#t~short9#1; 9#L554-7true assume test_fun_#t~short11#1;call test_fun_#t~mem10#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short11#1 := test_fun_~x#1 == 2 * test_fun_#t~mem10#1; 3#L554-9true assume !!test_fun_#t~short11#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1;havoc test_fun_#t~nondet13#1;call write~int(test_fun_#t~nondet13#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet13#1; 10#L554-11true [2023-11-19 07:58:22,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:22,339 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-19 07:58:22,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:22,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380287803] [2023-11-19 07:58:22,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:22,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:22,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:22,590 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:22,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:22,595 INFO L85 PathProgramCache]: Analyzing trace with hash -334850282, now seen corresponding path program 1 times [2023-11-19 07:58:22,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:22,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463110095] [2023-11-19 07:58:22,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:22,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:22,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:22,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:22,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:22,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1211446548, now seen corresponding path program 1 times [2023-11-19 07:58:22,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:22,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629614403] [2023-11-19 07:58:22,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:22,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:22,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:22,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:23,654 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:58:23,655 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:58:23,655 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:58:23,655 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:58:23,656 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:58:23,656 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:23,656 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:58:23,656 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:58:23,656 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.05-alloca.i_Iteration1_Lasso [2023-11-19 07:58:23,657 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:58:23,658 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:58:23,681 INFO 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 07:58:23,692 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:23,698 INFO 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 07:58:23,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:23,704 INFO 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 07:58:23,706 INFO 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 07:58:23,711 INFO 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 07:58:23,714 INFO 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 07:58:23,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:23,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:23,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:23,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:23,730 INFO 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 07:58:23,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:23,737 INFO 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 07:58:23,742 INFO 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 07:58:23,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:23,748 INFO 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 07:58:23,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:58:23,755 INFO 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 07:58:24,589 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:58:24,593 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:58:24,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:24,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:24,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:24,617 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 07:58:24,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:24,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:24,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:24,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:24,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:24,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:58:24,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:24,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:24,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:24,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-19 07:58:24,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:24,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:24,663 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:24,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:58:24,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:24,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:24,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:24,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:24,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:24,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:24,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:24,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:24,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:24,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:24,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:24,725 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:24,732 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 07:58:24,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:24,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:24,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:24,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:24,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:24,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:24,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:24,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:58:24,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:24,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:24,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:24,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:24,781 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:24,793 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 07:58:24,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:24,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:24,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:24,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:24,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:24,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:58:24,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:24,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:24,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:24,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:24,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:24,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:24,846 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:24,852 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 07:58:24,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:58:24,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:24,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:24,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:24,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:24,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:24,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:24,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:24,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:24,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:24,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:24,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:24,910 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:24,917 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 07:58:24,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:24,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:24,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:24,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:24,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:24,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:24,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:58:24,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:24,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:24,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:24,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:24,974 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:24,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:58:24,988 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 07:58:25,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:25,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:25,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:25,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,046 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:25,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:58:25,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:25,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:25,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:25,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,101 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:25,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:58:25,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:25,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:25,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,161 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:58:25,165 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 07:58:25,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:25,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:25,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:25,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,234 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:58:25,235 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 07:58:25,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:25,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:25,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:25,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,275 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:58:25,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:25,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:25,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:25,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:25,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,323 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:58:25,325 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 07:58:25,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:25,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:25,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:25,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,384 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,393 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 07:58:25,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:25,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:25,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:25,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:58:25,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,432 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:58:25,434 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 07:58:25,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:25,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:25,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,497 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,505 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 07:58:25,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:25,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:25,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:25,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:58:25,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,552 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:58:25,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:25,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:25,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:25,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:25,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,609 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:58:25,611 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 07:58:25,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:25,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:25,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,661 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:25,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:58:25,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:58:25,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:58:25,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:58:25,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,692 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:58:25,696 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 07:58:25,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:25,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:25,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,768 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:58:25,769 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 07:58:25,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:25,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:25,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,832 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,836 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 07:58:25,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:25,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:25,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:58:25,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,892 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:58:25,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:58:25,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:25,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:25,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:58:25,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:25,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:25,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:25,964 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:25,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 07:58:25,966 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 07:58:25,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:58:25,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:58:25,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:58:25,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:58:25,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:58:25,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:58:26,008 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:58:26,053 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-19 07:58:26,053 INFO L444 ModelExtractionUtils]: 5 out of 22 variables were initially zero. Simplification set additionally 15 variables to zero. [2023-11-19 07:58:26,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:58:26,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:58:26,100 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:58:26,120 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:58:26,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 07:58:26,142 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:58:26,142 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:58:26,143 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 Supporting invariants [] [2023-11-19 07:58:26,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:26,224 INFO L156 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2023-11-19 07:58:26,232 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated [2023-11-19 07:58:26,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:26,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:58:26,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:26,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:58:26,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:58:26,517 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 07:58:26,561 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-19 07:58:26,563 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 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) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:26,681 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 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). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 57 transitions. Complement of second has 10 states. [2023-11-19 07:58:26,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-19 07:58:26,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:26,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 28 transitions. [2023-11-19 07:58:26,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 2 letters. Loop has 7 letters. [2023-11-19 07:58:26,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:26,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 9 letters. Loop has 7 letters. [2023-11-19 07:58:26,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:26,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 28 transitions. Stem has 2 letters. Loop has 14 letters. [2023-11-19 07:58:26,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:58:26,694 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 57 transitions. [2023-11-19 07:58:26,697 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:58:26,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 24 states and 33 transitions. [2023-11-19 07:58:26,702 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-19 07:58:26,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-19 07:58:26,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 33 transitions. [2023-11-19 07:58:26,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:26,703 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2023-11-19 07:58:26,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 33 transitions. [2023-11-19 07:58:26,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2023-11-19 07:58:26,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:26,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 32 transitions. [2023-11-19 07:58:26,732 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 32 transitions. [2023-11-19 07:58:26,732 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2023-11-19 07:58:26,732 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:58:26,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 32 transitions. [2023-11-19 07:58:26,734 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:58:26,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:26,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:26,734 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:58:26,734 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:26,735 INFO L748 eck$LassoCheckResult]: Stem: 184#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 185#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~ret17#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~tmp#1 := main_#t~nondet15#1, main_#t~nondet16#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~nondet4#1, test_fun_#t~mem12#1, test_fun_#t~nondet13#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem8#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~short11#1, test_fun_#t~mem14#1, test_fun_~x#1, test_fun_~tmp#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~tmp#1 := test_fun_#in~tmp#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~tmp#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet4#1;call write~int(test_fun_#t~nondet4#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet4#1; 190#L554-11 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0; 177#L554-1 [2023-11-19 07:58:26,735 INFO L750 eck$LassoCheckResult]: Loop: 177#L554-1 assume !test_fun_#t~short7#1; 180#L554-3 test_fun_#t~short9#1 := test_fun_#t~short7#1; 181#L554-4 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 1073741824; 187#L554-6 test_fun_#t~short11#1 := test_fun_#t~short9#1; 171#L554-7 assume test_fun_#t~short11#1;call test_fun_#t~mem10#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short11#1 := test_fun_~x#1 == 2 * test_fun_#t~mem10#1; 172#L554-9 assume !!test_fun_#t~short11#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1;havoc test_fun_#t~nondet13#1;call write~int(test_fun_#t~nondet13#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet13#1; 175#L554-11 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0; 177#L554-1 [2023-11-19 07:58:26,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:26,736 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-19 07:58:26,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:26,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267689356] [2023-11-19 07:58:26,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:26,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:26,756 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:26,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:26,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:26,771 INFO L85 PathProgramCache]: Analyzing trace with hash -74889736, now seen corresponding path program 1 times [2023-11-19 07:58:26,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:26,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450488263] [2023-11-19 07:58:26,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:26,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:26,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-19 07:58:26,904 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 07:58:26,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:26,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450488263] [2023-11-19 07:58:26,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450488263] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:26,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:26,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:58:26,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87195351] [2023-11-19 07:58:26,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:26,909 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:58:26,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:26,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:58:26,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:58:26,914 INFO L87 Difference]: Start difference. First operand 23 states and 32 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:26,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:26,957 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2023-11-19 07:58:26,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2023-11-19 07:58:26,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:58:26,961 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2023-11-19 07:58:26,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-19 07:58:26,962 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-19 07:58:26,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2023-11-19 07:58:26,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:58:26,962 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 34 transitions. [2023-11-19 07:58:26,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2023-11-19 07:58:26,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2023-11-19 07:58:26,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 22 states have internal predecessors, (30), 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 07:58:26,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions. [2023-11-19 07:58:26,965 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 30 transitions. [2023-11-19 07:58:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:58:26,967 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2023-11-19 07:58:26,968 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:58:26,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 30 transitions. [2023-11-19 07:58:26,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:58:26,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:58:26,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:58:26,969 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:58:26,970 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:58:26,970 INFO L748 eck$LassoCheckResult]: Stem: 238#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 239#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~ret17#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~tmp#1 := main_#t~nondet15#1, main_#t~nondet16#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~nondet4#1, test_fun_#t~mem12#1, test_fun_#t~nondet13#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem8#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~short11#1, test_fun_#t~mem14#1, test_fun_~x#1, test_fun_~tmp#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~tmp#1 := test_fun_#in~tmp#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~tmp#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet4#1;call write~int(test_fun_#t~nondet4#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet4#1; 245#L554-11 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0; 236#L554-1 [2023-11-19 07:58:26,970 INFO L750 eck$LassoCheckResult]: Loop: 236#L554-1 assume !test_fun_#t~short7#1; 240#L554-3 test_fun_#t~short9#1 := test_fun_#t~short7#1; 241#L554-4 assume !test_fun_#t~short9#1; 246#L554-6 test_fun_#t~short11#1 := test_fun_#t~short9#1; 229#L554-7 assume test_fun_#t~short11#1;call test_fun_#t~mem10#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);test_fun_#t~short11#1 := test_fun_~x#1 == 2 * test_fun_#t~mem10#1; 230#L554-9 assume !!test_fun_#t~short11#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1;havoc test_fun_#t~nondet13#1;call write~int(test_fun_#t~nondet13#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~nondet13#1; 233#L554-11 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0; 236#L554-1 [2023-11-19 07:58:26,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:26,971 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2023-11-19 07:58:26,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:26,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207641921] [2023-11-19 07:58:26,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:26,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:26,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:58:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:58:26,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:58:27,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:58:27,005 INFO L85 PathProgramCache]: Analyzing trace with hash -73042694, now seen corresponding path program 1 times [2023-11-19 07:58:27,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:58:27,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192945857] [2023-11-19 07:58:27,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:58:27,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:58:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:58:27,070 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 07:58:27,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:58:27,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192945857] [2023-11-19 07:58:27,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192945857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:58:27,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:58:27,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:58:27,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690136616] [2023-11-19 07:58:27,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:58:27,077 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:58:27,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:58:27,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:58:27,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:58:27,079 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:58:27,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:58:27,139 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2023-11-19 07:58:27,140 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 26 transitions. [2023-11-19 07:58:27,144 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:58:27,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2023-11-19 07:58:27,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:58:27,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:58:27,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:58:27,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:58:27,145 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:58:27,145 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:58:27,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:58:27,147 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:58:27,147 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:58:27,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:58:27,148 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:58:27,148 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:58:27,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:58:27 BoogieIcfgContainer [2023-11-19 07:58:27,156 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:58:27,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:58:27,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:58:27,157 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:58:27,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:58:22" (3/4) ... [2023-11-19 07:58:27,160 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:58:27,161 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:58:27,162 INFO L158 Benchmark]: Toolchain (without parser) took 6048.25ms. Allocated memory was 113.2MB in the beginning and 157.3MB in the end (delta: 44.0MB). Free memory was 66.8MB in the beginning and 106.4MB in the end (delta: -39.6MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-11-19 07:58:27,162 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 94.4MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:58:27,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.44ms. Allocated memory is still 113.2MB. Free memory was 66.8MB in the beginning and 83.7MB in the end (delta: -16.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-19 07:58:27,172 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.68ms. Allocated memory was 113.2MB in the beginning and 157.3MB in the end (delta: 44.0MB). Free memory was 83.7MB in the beginning and 130.1MB in the end (delta: -46.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-11-19 07:58:27,173 INFO L158 Benchmark]: Boogie Preprocessor took 50.43ms. Allocated memory is still 157.3MB. Free memory was 130.1MB in the beginning and 129.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:58:27,173 INFO L158 Benchmark]: RCFGBuilder took 479.94ms. Allocated memory is still 157.3MB. Free memory was 129.0MB in the beginning and 116.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:58:27,173 INFO L158 Benchmark]: BuchiAutomizer took 4970.91ms. Allocated memory is still 157.3MB. Free memory was 116.3MB in the beginning and 106.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-19 07:58:27,174 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 157.3MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:58:27,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 94.4MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.44ms. Allocated memory is still 113.2MB. Free memory was 66.8MB in the beginning and 83.7MB in the end (delta: -16.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.68ms. Allocated memory was 113.2MB in the beginning and 157.3MB in the end (delta: 44.0MB). Free memory was 83.7MB in the beginning and 130.1MB in the end (delta: -46.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.43ms. Allocated memory is still 157.3MB. Free memory was 130.1MB in the beginning and 129.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 479.94ms. Allocated memory is still 157.3MB. Free memory was 129.0MB in the beginning and 116.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4970.91ms. Allocated memory is still 157.3MB. Free memory was 116.3MB in the beginning and 106.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 157.3MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 24 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital222 mio100 ax108 hnf100 lsp88 ukn64 mio100 lsp30 div100 bol100 ite100 ukn100 eq195 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 3 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 07:58:27,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b77daba-bf05-4c49-a31a-3f33335f77a6/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