./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/float-benchs/interpolation.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/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_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/float-benchs/interpolation.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/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 32bit --witnessprinter.graph.data.programhash 30f6a485d859f7eee00a1696279d966456b3a38851c6233a0367f621da73d6bd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:57:49,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:57:49,981 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:57:49,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:57:49,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:57:50,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:57:50,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:57:50,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:57:50,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:57:50,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:57:50,021 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:57:50,022 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:57:50,022 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:57:50,023 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:57:50,023 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:57:50,024 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:57:50,024 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:57:50,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:57:50,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:57:50,026 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:57:50,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:57:50,027 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:57:50,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:57:50,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:57:50,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:57:50,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:57:50,030 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:57:50,030 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:57:50,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:57:50,031 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:57:50,031 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:57:50,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:57:50,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:57:50,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:57:50,033 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:57:50,034 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:57:50,034 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_af60700e-accc-4b7a-b725-cde954d6a07a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30f6a485d859f7eee00a1696279d966456b3a38851c6233a0367f621da73d6bd [2023-11-19 07:57:50,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:57:50,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:57:50,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:57:50,345 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:57:50,346 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:57:50,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/float-benchs/interpolation.c [2023-11-19 07:57:53,530 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:57:53,784 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:57:53,784 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/sv-benchmarks/c/float-benchs/interpolation.c [2023-11-19 07:57:53,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/data/968f5a5c1/df5ae2d446ce428d84b6bb87234d15fd/FLAGcbca93965 [2023-11-19 07:57:53,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/data/968f5a5c1/df5ae2d446ce428d84b6bb87234d15fd [2023-11-19 07:57:53,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:57:53,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:57:53,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:53,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:57:53,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:57:53,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:53" (1/1) ... [2023-11-19 07:57:53,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb41366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:53, skipping insertion in model container [2023-11-19 07:57:53,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:53" (1/1) ... [2023-11-19 07:57:53,839 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:57:54,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:54,023 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:57:54,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:54,059 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:57:54,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:54 WrapperNode [2023-11-19 07:57:54,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:54,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:54,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:57:54,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:57:54,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:54" (1/1) ... [2023-11-19 07:57:54,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:54" (1/1) ... [2023-11-19 07:57:54,105 INFO L138 Inliner]: procedures = 18, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2023-11-19 07:57:54,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:54,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:57:54,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:57:54,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:57:54,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:54" (1/1) ... [2023-11-19 07:57:54,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:54" (1/1) ... [2023-11-19 07:57:54,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:54" (1/1) ... [2023-11-19 07:57:54,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:54" (1/1) ... [2023-11-19 07:57:54,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:54" (1/1) ... [2023-11-19 07:57:54,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:54" (1/1) ... [2023-11-19 07:57:54,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:54" (1/1) ... [2023-11-19 07:57:54,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:54" (1/1) ... [2023-11-19 07:57:54,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:57:54,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:57:54,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:57:54,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:57:54,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:54" (1/1) ... [2023-11-19 07:57:54,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:54,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:54,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:54,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:57:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:57:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:57:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:57:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 07:57:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:57:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:57:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 07:57:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:57:54,287 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:57:54,289 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:57:54,465 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:57:54,473 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:57:54,474 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:57:54,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:54 BoogieIcfgContainer [2023-11-19 07:57:54,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:57:54,479 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:57:54,479 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:57:54,483 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:57:54,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:57:54,484 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:57:53" (1/3) ... [2023-11-19 07:57:54,485 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@795b38af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:57:54, skipping insertion in model container [2023-11-19 07:57:54,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:57:54,485 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:54" (2/3) ... [2023-11-19 07:57:54,486 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@795b38af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:57:54, skipping insertion in model container [2023-11-19 07:57:54,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:57:54,486 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:54" (3/3) ... [2023-11-19 07:57:54,488 INFO L332 chiAutomizerObserver]: Analyzing ICFG interpolation.c [2023-11-19 07:57:54,557 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:57:54,557 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:57:54,557 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:57:54,557 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:57:54,558 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:57:54,558 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:57:54,558 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:57:54,558 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:57:54,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 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 07:57:54,578 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:57:54,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:57:54,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:57:54,583 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:57:54,583 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:57:54,583 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:57:54,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 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 07:57:54,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:57:54,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:57:54,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:57:54,586 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:57:54,586 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:57:54,594 INFO L748 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~short7#1, main_#t~mem9#1, main_#t~post8#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_~i~0#1, main_~z~0#1, main_~t~0#1, main_~#min~0#1.base, main_~#min~0#1.offset, main_~#max~0#1.base, main_~#max~0#1.offset;havoc main_~i~0#1;havoc main_~z~0#1;havoc main_~t~0#1;call main_~#min~0#1.base, main_~#min~0#1.offset := #Ultimate.allocOnStack(20);call write~init~real(~convertINTToFLOAT(5), main_~#min~0#1.base, main_~#min~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(10), main_~#min~0#1.base, 4 + main_~#min~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(12), main_~#min~0#1.base, 8 + main_~#min~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(30), main_~#min~0#1.base, 12 + main_~#min~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(150), main_~#min~0#1.base, 16 + main_~#min~0#1.offset, 4);call main_~#max~0#1.base, main_~#max~0#1.offset := #Ultimate.allocOnStack(20);call write~init~real(~convertINTToFLOAT(10), main_~#max~0#1.base, main_~#max~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(12), main_~#max~0#1.base, 4 + main_~#max~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(30), main_~#max~0#1.base, 8 + main_~#max~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(150), main_~#max~0#1.base, 12 + main_~#max~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(300), main_~#max~0#1.base, 16 + main_~#max~0#1.offset, 4);havoc main_#t~nondet4#1;main_~t~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;call main_#t~mem5#1 := read~real(main_~#min~0#1.base, main_~#min~0#1.offset, 4);main_#t~short7#1 := ~someBinaryFLOATComparisonOperation(main_~t~0#1, main_#t~mem5#1); 17#L19true assume !main_#t~short7#1; 2#L19-2true assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if main_#t~short7#1 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 7#L7true assume !(0 == assume_abort_if_not_~cond#1); 13#L6true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;main_~i~0#1 := 0; 4#L21-3true [2023-11-19 07:57:54,594 INFO L750 eck$LassoCheckResult]: Loop: 4#L21-3true assume !!(main_~i~0#1 % 4294967296 < 5);call main_#t~mem9#1 := read~real(main_~#max~0#1.base, main_~#max~0#1.offset + 4 * main_~i~0#1, 4); 10#L22true assume !~someBinaryFLOATComparisonOperation(main_~t~0#1, main_#t~mem9#1);havoc main_#t~mem9#1; 15#L21-2true main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 4#L21-3true [2023-11-19 07:57:54,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:54,600 INFO L85 PathProgramCache]: Analyzing trace with hash 889568359, now seen corresponding path program 1 times [2023-11-19 07:57:54,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:54,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348374187] [2023-11-19 07:57:54,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:54,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:54,891 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 07:57:54,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:54,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348374187] [2023-11-19 07:57:54,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348374187] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:54,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:54,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:57:54,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917904508] [2023-11-19 07:57:54,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:54,902 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:57:54,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:54,904 INFO L85 PathProgramCache]: Analyzing trace with hash 53785, now seen corresponding path program 1 times [2023-11-19 07:57:54,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:54,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081844118] [2023-11-19 07:57:54,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:54,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:54,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:54,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:55,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:55,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:57:55,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:57:55,130 INFO L87 Difference]: Start difference. First operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:55,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:55,182 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2023-11-19 07:57:55,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 19 transitions. [2023-11-19 07:57:55,186 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:57:55,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 9 states and 9 transitions. [2023-11-19 07:57:55,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-19 07:57:55,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-19 07:57:55,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 9 transitions. [2023-11-19 07:57:55,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:55,191 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-19 07:57:55,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 9 transitions. [2023-11-19 07:57:55,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-19 07:57:55,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.0) internal successors, (9), 8 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 07:57:55,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-19 07:57:55,213 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-19 07:57:55,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:57:55,218 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-19 07:57:55,218 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:57:55,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 9 transitions. [2023-11-19 07:57:55,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:57:55,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:57:55,220 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:57:55,220 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:57:55,220 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:57:55,221 INFO L748 eck$LassoCheckResult]: Stem: 53#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 54#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~short7#1, main_#t~mem9#1, main_#t~post8#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem12#1, main_~i~0#1, main_~z~0#1, main_~t~0#1, main_~#min~0#1.base, main_~#min~0#1.offset, main_~#max~0#1.base, main_~#max~0#1.offset;havoc main_~i~0#1;havoc main_~z~0#1;havoc main_~t~0#1;call main_~#min~0#1.base, main_~#min~0#1.offset := #Ultimate.allocOnStack(20);call write~init~real(~convertINTToFLOAT(5), main_~#min~0#1.base, main_~#min~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(10), main_~#min~0#1.base, 4 + main_~#min~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(12), main_~#min~0#1.base, 8 + main_~#min~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(30), main_~#min~0#1.base, 12 + main_~#min~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(150), main_~#min~0#1.base, 16 + main_~#min~0#1.offset, 4);call main_~#max~0#1.base, main_~#max~0#1.offset := #Ultimate.allocOnStack(20);call write~init~real(~convertINTToFLOAT(10), main_~#max~0#1.base, main_~#max~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(12), main_~#max~0#1.base, 4 + main_~#max~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(30), main_~#max~0#1.base, 8 + main_~#max~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(150), main_~#max~0#1.base, 12 + main_~#max~0#1.offset, 4);call write~init~real(~convertINTToFLOAT(300), main_~#max~0#1.base, 16 + main_~#max~0#1.offset, 4);havoc main_#t~nondet4#1;main_~t~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;call main_#t~mem5#1 := read~real(main_~#min~0#1.base, main_~#min~0#1.offset, 4);main_#t~short7#1 := ~someBinaryFLOATComparisonOperation(main_~t~0#1, main_#t~mem5#1); 55#L19 assume main_#t~short7#1;call main_#t~mem6#1 := read~real(main_~#max~0#1.base, 16 + main_~#max~0#1.offset, 4);main_#t~short7#1 := ~someBinaryFLOATComparisonOperation(main_~t~0#1, main_#t~mem6#1); 47#L19-2 assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if main_#t~short7#1 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 48#L7 assume !(0 == assume_abort_if_not_~cond#1); 52#L6 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;main_~i~0#1 := 0; 49#L21-3 [2023-11-19 07:57:55,221 INFO L750 eck$LassoCheckResult]: Loop: 49#L21-3 assume !!(main_~i~0#1 % 4294967296 < 5);call main_#t~mem9#1 := read~real(main_~#max~0#1.base, main_~#max~0#1.offset + 4 * main_~i~0#1, 4); 50#L22 assume !~someBinaryFLOATComparisonOperation(main_~t~0#1, main_#t~mem9#1);havoc main_#t~mem9#1; 51#L21-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 49#L21-3 [2023-11-19 07:57:55,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:55,222 INFO L85 PathProgramCache]: Analyzing trace with hash 889508777, now seen corresponding path program 1 times [2023-11-19 07:57:55,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:55,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843015415] [2023-11-19 07:57:55,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:55,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:55,251 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:55,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:55,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:55,272 INFO L85 PathProgramCache]: Analyzing trace with hash 53785, now seen corresponding path program 2 times [2023-11-19 07:57:55,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:55,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621393538] [2023-11-19 07:57:55,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:55,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:55,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:55,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:55,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:55,290 INFO L85 PathProgramCache]: Analyzing trace with hash -592216719, now seen corresponding path program 1 times [2023-11-19 07:57:55,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:55,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371036664] [2023-11-19 07:57:55,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:55,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:55,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:55,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:55,908 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:57:55,909 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:57:55,909 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:57:55,909 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:57:55,909 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:57:55,910 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:55,910 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:57:55,910 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:57:55,910 INFO L133 ssoRankerPreferences]: Filename of dumped script: interpolation.c_Iteration2_Lasso [2023-11-19 07:57:55,910 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:57:55,910 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:57:55,930 INFO 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 07:57:55,939 INFO 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 07:57:55,943 INFO 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 07:57:55,947 INFO 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 07:57:55,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:55,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:55,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:55,973 INFO 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 07:57:55,976 INFO 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 07:57:55,978 INFO 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 07:57:55,981 INFO 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 07:57:55,984 INFO 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 07:57:55,986 INFO 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 07:57:55,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:57:55,991 INFO 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 07:57:56,261 INFO 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 07:57:56,264 INFO 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 07:57:56,267 INFO 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 07:57:56,606 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:57:56,610 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:57:56,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:56,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:56,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:56,632 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 07:57:56,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:56,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:56,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:56,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:56,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:56,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:56,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:56,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:57:56,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:56,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:56,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:56,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:56,680 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:56,691 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 07:57:56,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:56,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:56,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:56,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:56,708 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:56,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:56,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:57:56,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:56,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:56,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:56,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:56,739 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:56,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:57:56,742 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 07:57:56,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:56,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:56,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:56,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:56,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:56,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:56,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:56,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:56,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:56,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:56,796 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:56,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:57:56,804 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 07:57:56,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:56,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:56,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:56,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:56,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:56,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:56,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:56,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:56,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:56,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:56,855 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:56,863 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 07:57:56,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:56,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:56,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:56,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:56,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:56,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:56,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:57:56,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:56,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:56,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:56,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:56,915 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:56,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:56,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:56,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:56,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:56,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:56,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:56,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:56,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:56,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:57:56,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:56,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:56,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:56,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:56,966 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:56,975 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 07:57:56,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:56,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:56,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:56,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:56,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:56,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:56,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:56,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:57:57,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,027 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,035 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 07:57:57,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:57,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:57,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:57,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:57:57,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,084 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,095 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 07:57:57,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:57,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:57,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:57,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:57:57,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,159 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:57,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:57,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:57,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:57,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:57:57,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,211 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,223 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 07:57:57,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:57,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:57,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:57,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:57:57,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,267 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:57:57,270 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 07:57:57,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:57,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:57,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:57,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,298 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:57:57,303 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 07:57:57,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:57,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:57,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:57,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,349 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:57:57,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:57,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:57,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:57,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:57,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,395 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:57:57,399 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 07:57:57,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:57:57,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:57:57,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:57:57,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,455 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:57:57,458 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 07:57:57,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:57,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:57,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,511 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,520 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 07:57:57,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:57,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:57,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:57:57,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,573 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,583 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 07:57:57,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:57,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:57,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:57:57,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,637 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:57:57,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:57:57,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,673 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:57,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:57,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,708 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,717 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 07:57:57,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:57,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:57,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:57:57,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,772 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,775 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 07:57:57,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:57,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:57,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:57:57,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,834 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,838 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 07:57:57,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:57,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:57,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:57:57,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:57:57,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:57,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:57,895 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:57,898 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 07:57:57,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:57:57,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:57:57,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:57:57,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:57:57,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:57:57,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:57:57,918 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:57:57,938 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:57:57,969 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-19 07:57:57,969 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2023-11-19 07:57:57,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:57:57,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:58,009 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:58,010 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:57:58,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 07:57:58,035 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:57:58,036 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:57:58,036 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#max~0#1.offset, ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#max~0#1.base)_1) = -1*ULTIMATE.start_main_~#max~0#1.offset - 4*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#max~0#1.base)_1 Supporting invariants [] [2023-11-19 07:57:58,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:58,095 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2023-11-19 07:57:58,104 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#max~0!base] could not be translated [2023-11-19 07:57:58,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:58,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:57:58,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:58,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:57:58,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:58,220 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 07:57:58,224 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:57:58,225 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 9 transitions. cyclomatic complexity: 1 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 07:57:58,261 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 9 transitions. cyclomatic complexity: 1. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 12 states and 13 transitions. Complement of second has 4 states. [2023-11-19 07:57:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:57:58,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 07:57:58,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-19 07:57:58,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-19 07:57:58,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:57:58,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-19 07:57:58,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:57:58,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 6 letters. [2023-11-19 07:57:58,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:57:58,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2023-11-19 07:57:58,269 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:57:58,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2023-11-19 07:57:58,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:57:58,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:57:58,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:57:58,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:58,270 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:57:58,270 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:57:58,270 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:57:58,270 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:57:58,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:57:58,270 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:57:58,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:57:58,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:57:58 BoogieIcfgContainer [2023-11-19 07:57:58,279 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:57:58,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:57:58,280 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:57:58,280 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:57:58,280 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:54" (3/4) ... [2023-11-19 07:57:58,282 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:57:58,283 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:57:58,284 INFO L158 Benchmark]: Toolchain (without parser) took 4474.04ms. Allocated memory was 130.0MB in the beginning and 180.4MB in the end (delta: 50.3MB). Free memory was 86.3MB in the beginning and 108.2MB in the end (delta: -21.9MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2023-11-19 07:57:58,284 INFO L158 Benchmark]: CDTParser took 1.32ms. Allocated memory is still 130.0MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:57:58,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.67ms. Allocated memory is still 130.0MB. Free memory was 86.1MB in the beginning and 75.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:57:58,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.95ms. Allocated memory is still 130.0MB. Free memory was 75.5MB in the beginning and 73.8MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:57:58,288 INFO L158 Benchmark]: Boogie Preprocessor took 29.88ms. Allocated memory is still 130.0MB. Free memory was 73.8MB in the beginning and 72.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:57:58,289 INFO L158 Benchmark]: RCFGBuilder took 340.82ms. Allocated memory was 130.0MB in the beginning and 180.4MB in the end (delta: 50.3MB). Free memory was 72.2MB in the beginning and 150.8MB in the end (delta: -78.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-11-19 07:57:58,290 INFO L158 Benchmark]: BuchiAutomizer took 3800.15ms. Allocated memory is still 180.4MB. Free memory was 150.6MB in the beginning and 108.2MB in the end (delta: 42.4MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-11-19 07:57:58,290 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 180.4MB. Free memory is still 108.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:57:58,292 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32ms. Allocated memory is still 130.0MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.67ms. Allocated memory is still 130.0MB. Free memory was 86.1MB in the beginning and 75.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.95ms. Allocated memory is still 130.0MB. Free memory was 75.5MB in the beginning and 73.8MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.88ms. Allocated memory is still 130.0MB. Free memory was 73.8MB in the beginning and 72.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 340.82ms. Allocated memory was 130.0MB in the beginning and 180.4MB in the end (delta: 50.3MB). Free memory was 72.2MB in the beginning and 150.8MB in the end (delta: -78.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 3800.15ms. Allocated memory is still 180.4MB. Free memory was 150.6MB in the beginning and 108.2MB in the end (delta: 42.4MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 180.4MB. Free memory is still 108.2MB. 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 #length[~#max~0!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 25 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital137 mio100 ax100 hnf100 lsp86 ukn86 mio100 lsp34 div202 bol100 ite100 ukn100 eq146 hnf94 smp64 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 07:57:58,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:58,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af60700e-accc-4b7a-b725-cde954d6a07a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE