./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/jm2006_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/jm2006_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl --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 4cc4e6594048669dc8576432b007a54cfaf2cb918409d0a11b256ce036aec976 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:10:05,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:10:05,120 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:10:05,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:10:05,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:10:05,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:10:05,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:10:05,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:10:05,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:10:05,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:10:05,179 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:10:05,180 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:10:05,181 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:10:05,182 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:10:05,183 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:10:05,183 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:10:05,184 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:10:05,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:10:05,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:10:05,186 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:10:05,186 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:10:05,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:10:05,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:10:05,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:10:05,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:10:05,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:10:05,189 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:10:05,189 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:10:05,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:10:05,190 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:10:05,192 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:10:05,192 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:10:05,193 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:10:05,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:10:05,193 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:10:05,194 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:10:05,194 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_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cc4e6594048669dc8576432b007a54cfaf2cb918409d0a11b256ce036aec976 [2023-11-12 02:10:05,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:10:05,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:10:05,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:10:05,588 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:10:05,589 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:10:05,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/loop-lit/jm2006_variant.i [2023-11-12 02:10:08,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:10:09,061 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:10:09,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/sv-benchmarks/c/loop-lit/jm2006_variant.i [2023-11-12 02:10:09,070 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/data/e183d72ca/b0a4520ca4404ce59d5481d61f337ad9/FLAGe1bdcc636 [2023-11-12 02:10:09,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/data/e183d72ca/b0a4520ca4404ce59d5481d61f337ad9 [2023-11-12 02:10:09,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:10:09,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:10:09,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:10:09,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:10:09,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:10:09,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:10:09" (1/1) ... [2023-11-12 02:10:09,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f65d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:09, skipping insertion in model container [2023-11-12 02:10:09,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:10:09" (1/1) ... [2023-11-12 02:10:09,124 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:10:09,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:10:09,323 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:10:09,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:10:09,356 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:10:09,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:09 WrapperNode [2023-11-12 02:10:09,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:10:09,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:10:09,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:10:09,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:10:09,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:09" (1/1) ... [2023-11-12 02:10:09,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:09" (1/1) ... [2023-11-12 02:10:09,395 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2023-11-12 02:10:09,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:10:09,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:10:09,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:10:09,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:10:09,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:09" (1/1) ... [2023-11-12 02:10:09,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:09" (1/1) ... [2023-11-12 02:10:09,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:09" (1/1) ... [2023-11-12 02:10:09,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:09" (1/1) ... [2023-11-12 02:10:09,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:09" (1/1) ... [2023-11-12 02:10:09,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:09" (1/1) ... [2023-11-12 02:10:09,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:09" (1/1) ... [2023-11-12 02:10:09,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:09" (1/1) ... [2023-11-12 02:10:09,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:10:09,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:10:09,420 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:10:09,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:10:09,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:09" (1/1) ... [2023-11-12 02:10:09,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:09,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:09,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:09,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:10:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:10:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:10:09,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:10:09,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:10:09,584 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:10:09,586 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:10:09,716 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:10:09,722 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:10:09,722 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:10:09,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:10:09 BoogieIcfgContainer [2023-11-12 02:10:09,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:10:09,726 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:10:09,726 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:10:09,729 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:10:09,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:10:09,730 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:10:09" (1/3) ... [2023-11-12 02:10:09,731 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@794c9e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:10:09, skipping insertion in model container [2023-11-12 02:10:09,732 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:10:09,732 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:09" (2/3) ... [2023-11-12 02:10:09,732 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@794c9e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:10:09, skipping insertion in model container [2023-11-12 02:10:09,732 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:10:09,732 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:10:09" (3/3) ... [2023-11-12 02:10:09,734 INFO L332 chiAutomizerObserver]: Analyzing ICFG jm2006_variant.i [2023-11-12 02:10:09,788 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:10:09,788 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:10:09,788 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:10:09,789 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:10:09,789 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:10:09,789 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:10:09,789 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:10:09,789 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:10:09,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:09,814 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-12 02:10:09,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:10:09,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:10:09,821 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-12 02:10:09,822 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-12 02:10:09,822 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:10:09,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:10:09,829 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-12 02:10:09,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:10:09,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:10:09,830 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-12 02:10:09,830 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-12 02:10:09,836 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~post3#1, main_#t~post4#1, main_~i~0#1, main_~j~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~i~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~j~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 11#L28true assume !!(main_~i~0#1 >= 0 && main_~i~0#1 <= 1000000); 5#L29true assume !!(main_~j~0#1 >= 0);main_~x~0#1 := main_~i~0#1;main_~y~0#1 := main_~j~0#1;main_~z~0#1 := 0; 6#L33-2true [2023-11-12 02:10:09,837 INFO L750 eck$LassoCheckResult]: Loop: 6#L33-2true assume !!(0 != main_~x~0#1);main_#t~post3#1 := main_~x~0#1;main_~x~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1;main_~y~0#1 := main_~y~0#1 - 2;main_#t~post4#1 := main_~z~0#1;main_~z~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 6#L33-2true [2023-11-12 02:10:09,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:09,843 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2023-11-12 02:10:09,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:09,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755639847] [2023-11-12 02:10:09,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:09,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:10:09,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:10:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:10:10,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:10:10,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:10,032 INFO L85 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times [2023-11-12 02:10:10,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:10,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968277529] [2023-11-12 02:10:10,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:10,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:10:10,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:10:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:10:10,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:10:10,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:10,090 INFO L85 PathProgramCache]: Analyzing trace with hash 28695853, now seen corresponding path program 1 times [2023-11-12 02:10:10,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:10,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614514085] [2023-11-12 02:10:10,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:10,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:10:10,142 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:10:10,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:10:10,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:10:10,315 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:10:10,316 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:10:10,316 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:10:10,316 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:10:10,317 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-12 02:10:10,317 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:10,317 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:10:10,317 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:10:10,318 INFO L133 ssoRankerPreferences]: Filename of dumped script: jm2006_variant.i_Iteration1_Loop [2023-11-12 02:10:10,318 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:10:10,318 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:10:10,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:10,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:10,363 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:10,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:10,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:10,506 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:10:10,507 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-12 02:10:10,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:10,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:10,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:10,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:10:10,525 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:10:10,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-12 02:10:10,552 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:10:10,553 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3#1=0} Honda state: {ULTIMATE.start_main_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:10:10,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-12 02:10:10,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:10,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:10,564 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:10,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-12 02:10:10,573 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:10:10,573 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:10:10,596 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:10:10,597 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4#1=0} Honda state: {ULTIMATE.start_main_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-12 02:10:10,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:10,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:10,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:10,613 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:10,622 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:10:10,622 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:10:10,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-12 02:10:10,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:10,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:10,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:10,656 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:10,665 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-12 02:10:10,665 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:10:10,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-12 02:10:10,704 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:10:10,704 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-8} Honda state: {ULTIMATE.start_main_~x~0#1=-8} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=-1}] Lambdas: [9, 0, 1] Nus: [0, 0] [2023-11-12 02:10:10,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:10,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:10,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:10,716 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:10,725 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:10:10,725 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:10:10,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-12 02:10:10,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:10,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:10,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:10,755 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:10,768 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-12 02:10:10,769 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:10:10,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-12 02:10:10,803 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:10:10,803 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0#1=0} Honda state: {ULTIMATE.start_main_~z~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~z~0#1=1}, {ULTIMATE.start_main_~z~0#1=-1}, {ULTIMATE.start_main_~z~0#1=1}] Lambdas: [2, 1, 1] Nus: [1, 0] [2023-11-12 02:10:10,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-12 02:10:10,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:10,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:10,811 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:10,824 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-12 02:10:10,825 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:10:10,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-12 02:10:10,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:10,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:10,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:10,858 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:10,864 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-12 02:10:10,864 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-12 02:10:10,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-12 02:10:10,900 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-12 02:10:10,900 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=0} Honda state: {ULTIMATE.start_main_~y~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0#1=4}, {ULTIMATE.start_main_~y~0#1=1}, {ULTIMATE.start_main_~y~0#1=-7}] Lambdas: [1, 8, 1] Nus: [0, 1] [2023-11-12 02:10:10,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:11,144 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:10:11,145 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:10:11,145 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:10:11,145 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:10:11,145 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:10:11,145 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:11,146 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:10:11,146 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:10:11,146 INFO L133 ssoRankerPreferences]: Filename of dumped script: jm2006_variant.i_Iteration1_Lasso [2023-11-12 02:10:11,146 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:10:11,146 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:10:11,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:11,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:11,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:11,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:11,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:11,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:11,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:11,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:11,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:11,228 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:11,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:11,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:10:11,449 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:10:11,454 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:10:11,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:11,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:11,460 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:11,468 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 [2023-11-12 02:10:11,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-12 02:10:11,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:10:11,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:10:11,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:10:11,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:10:11,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:10:11,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:10:11,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:10:11,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:11,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:11,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:11,516 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:11,530 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 [2023-11-12 02:10:11,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-12 02:10:11,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:10:11,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:10:11,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:10:11,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:10:11,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:10:11,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:10:11,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:10:11,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:10:11,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:11,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:11,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:11,582 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:11,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-12 02:10:11,589 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 [2023-11-12 02:10:11,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:10:11,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:10:11,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:10:11,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:10:11,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:10:11,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:10:11,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:10:11,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:11,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:11,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:11,638 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:11,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-12 02:10:11,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:10:11,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:10:11,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:10:11,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:10:11,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:10:11,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:10:11,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:10:11,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:10:11,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:11,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:11,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:11,697 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:11,711 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 [2023-11-12 02:10:11,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-12 02:10:11,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:10:11,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:10:11,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:10:11,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:10:11,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:10:11,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:10:11,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:10:11,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:10:11,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:11,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:11,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:11,746 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:11,750 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 [2023-11-12 02:10:11,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-12 02:10:11,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:10:11,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:10:11,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:10:11,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:10:11,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:10:11,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:10:11,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:10:11,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:11,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:11,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:11,785 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:11,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:10:11,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-12 02:10:11,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:10:11,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:10:11,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:10:11,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:10:11,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:10:11,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:10:11,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:10:11,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:11,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:11,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:11,850 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:11,862 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 [2023-11-12 02:10:11,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-12 02:10:11,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:10:11,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:10:11,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:10:11,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:10:11,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:10:11,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:10:11,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:10:11,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:11,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:11,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:11,910 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:11,920 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 [2023-11-12 02:10:11,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-12 02:10:11,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:10:11,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:10:11,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:10:11,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:10:11,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:10:11,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:10:11,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:10:11,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:11,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:11,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:11,960 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:11,969 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 [2023-11-12 02:10:11,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-12 02:10:11,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:10:11,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:10:11,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:10:11,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:10:11,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:10:11,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:10:12,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:10:12,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:12,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:12,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:12,012 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:12,030 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 [2023-11-12 02:10:12,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:10:12,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:10:12,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:10:12,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:10:12,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:10:12,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-12 02:10:12,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:10:12,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:10:12,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:10:12,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:12,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:12,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:12,060 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:12,068 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 [2023-11-12 02:10:12,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-12 02:10:12,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:10:12,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:10:12,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:10:12,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:10:12,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:10:12,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:10:12,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:10:12,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:12,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:12,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:12,109 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:12,115 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 [2023-11-12 02:10:12,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:10:12,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:10:12,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:10:12,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:10:12,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:10:12,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:10:12,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:10:12,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-12 02:10:12,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:10:12,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:12,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:12,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:12,164 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:12,171 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 [2023-11-12 02:10:12,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-12 02:10:12,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:10:12,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:10:12,184 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-12 02:10:12,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:10:12,195 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-12 02:10:12,196 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-12 02:10:12,222 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:10:12,249 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-12 02:10:12,250 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2023-11-12 02:10:12,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:10:12,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:12,278 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:12,284 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:10:12,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-12 02:10:12,308 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2023-11-12 02:10:12,308 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:10:12,309 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 >= 0] [2023-11-12 02:10:12,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:12,322 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2023-11-12 02:10:12,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:12,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:10:12,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:10:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:12,398 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:10:12,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:10:12,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:10:12,440 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2023-11-12 02:10:12,443 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-11-12 02:10:12,517 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 36 states and 47 transitions. Complement of second has 7 states. [2023-11-12 02:10:12,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-12 02:10:12,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-11-12 02:10:12,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2023-11-12 02:10:12,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 1 letters. [2023-11-12 02:10:12,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:10:12,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 5 letters. Loop has 1 letters. [2023-11-12 02:10:12,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:10:12,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-12 02:10:12,528 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:10:12,528 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 47 transitions. [2023-11-12 02:10:12,532 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:10:12,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2023-11-12 02:10:12,536 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-12 02:10:12,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-12 02:10:12,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-12 02:10:12,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:10:12,537 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:10:12,537 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:10:12,537 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:10:12,537 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:10:12,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:10:12,537 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:10:12,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-12 02:10:12,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:10:12 BoogieIcfgContainer [2023-11-12 02:10:12,545 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:10:12,546 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:10:12,546 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:10:12,546 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:10:12,547 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:10:09" (3/4) ... [2023-11-12 02:10:12,549 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:10:12,550 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:10:12,551 INFO L158 Benchmark]: Toolchain (without parser) took 3460.46ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 101.0MB in the beginning and 142.7MB in the end (delta: -41.7MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-12 02:10:12,551 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 146.8MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:10:12,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.65ms. Allocated memory is still 146.8MB. Free memory was 101.0MB in the beginning and 90.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:10:12,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.21ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 89.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:10:12,553 INFO L158 Benchmark]: Boogie Preprocessor took 23.08ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 88.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:10:12,554 INFO L158 Benchmark]: RCFGBuilder took 304.62ms. Allocated memory is still 146.8MB. Free memory was 88.0MB in the beginning and 78.3MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:10:12,554 INFO L158 Benchmark]: BuchiAutomizer took 2819.57ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 78.0MB in the beginning and 142.7MB in the end (delta: -64.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:10:12,555 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 192.9MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:10:12,558 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 146.8MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.65ms. Allocated memory is still 146.8MB. Free memory was 101.0MB in the beginning and 90.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.21ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 89.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.08ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 88.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.62ms. Allocated memory is still 146.8MB. Free memory was 88.0MB in the beginning and 78.3MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2819.57ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 78.0MB in the beginning and 142.7MB in the end (delta: -64.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 192.9MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 16 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital51 mio100 ax100 hnf100 lsp38 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq180 hnf94 smp100 dnf140 smp100 tf103 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 145ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-12 02:10:12,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:12,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e07d89-4ec7-4da1-8eef-f137a44b8c3a/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE