./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/aaron3-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/aaron3-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ea9406930e45e60de12baf697b969fb5af8dbe89b8e2edfb7dfc533c91e7fcaa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:06:53,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:06:53,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-06 23:06:53,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:06:53,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:06:53,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:06:53,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:06:53,159 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:06:53,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:06:53,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:06:53,161 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:06:53,162 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 23:06:53,162 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 23:06:53,163 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 23:06:53,163 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 23:06:53,164 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 23:06:53,164 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 23:06:53,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:06:53,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 23:06:53,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:06:53,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:06:53,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 23:06:53,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 23:06:53,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 23:06:53,168 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:06:53,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:06:53,169 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 23:06:53,182 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:06:53,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:06:53,183 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:06:53,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:06:53,184 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:06:53,185 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 23:06:53,185 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_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea9406930e45e60de12baf697b969fb5af8dbe89b8e2edfb7dfc533c91e7fcaa [2023-11-06 23:06:53,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:06:53,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:06:53,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:06:53,479 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:06:53,480 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:06:53,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/termination-crafted/aaron3-1.c [2023-11-06 23:06:56,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:06:56,810 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:06:56,811 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/sv-benchmarks/c/termination-crafted/aaron3-1.c [2023-11-06 23:06:56,819 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/data/6d63cc509/0f6d475cb19741ac8ceb1819893bc05f/FLAG0953323cf [2023-11-06 23:06:56,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/data/6d63cc509/0f6d475cb19741ac8ceb1819893bc05f [2023-11-06 23:06:56,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:06:56,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:06:56,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:06:56,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:06:56,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:06:56,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:06:56" (1/1) ... [2023-11-06 23:06:56,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c0beb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:56, skipping insertion in model container [2023-11-06 23:06:56,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:06:56" (1/1) ... [2023-11-06 23:06:56,877 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:06:57,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:06:57,086 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:06:57,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:06:57,124 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:06:57,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:57 WrapperNode [2023-11-06 23:06:57,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:06:57,126 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:06:57,127 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:06:57,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:06:57,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:57" (1/1) ... [2023-11-06 23:06:57,140 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:57" (1/1) ... [2023-11-06 23:06:57,159 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2023-11-06 23:06:57,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:06:57,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:06:57,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:06:57,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:06:57,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:57" (1/1) ... [2023-11-06 23:06:57,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:57" (1/1) ... [2023-11-06 23:06:57,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:57" (1/1) ... [2023-11-06 23:06:57,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:57" (1/1) ... [2023-11-06 23:06:57,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:57" (1/1) ... [2023-11-06 23:06:57,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:57" (1/1) ... [2023-11-06 23:06:57,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:57" (1/1) ... [2023-11-06 23:06:57,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:57" (1/1) ... [2023-11-06 23:06:57,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:06:57,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:06:57,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:06:57,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:06:57,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:57" (1/1) ... [2023-11-06 23:06:57,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:57,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:57,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:57,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 23:06:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:06:57,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:06:57,381 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:06:57,383 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:06:57,483 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:06:57,489 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:06:57,489 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:06:57,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:06:57 BoogieIcfgContainer [2023-11-06 23:06:57,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:06:57,493 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 23:06:57,493 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 23:06:57,497 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 23:06:57,498 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 23:06:57,498 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 11:06:56" (1/3) ... [2023-11-06 23:06:57,499 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7338fc33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 11:06:57, skipping insertion in model container [2023-11-06 23:06:57,499 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 23:06:57,499 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:57" (2/3) ... [2023-11-06 23:06:57,500 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7338fc33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 11:06:57, skipping insertion in model container [2023-11-06 23:06:57,500 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 23:06:57,500 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:06:57" (3/3) ... [2023-11-06 23:06:57,502 INFO L332 chiAutomizerObserver]: Analyzing ICFG aaron3-1.c [2023-11-06 23:06:57,559 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 23:06:57,559 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 23:06:57,559 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 23:06:57,560 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 23:06:57,560 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 23:06:57,560 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 23:06:57,560 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 23:06:57,561 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 23:06:57,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:06:57,583 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 23:06:57,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:06:57,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:06:57,589 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-06 23:06:57,589 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 23:06:57,589 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 23:06:57,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:06:57,591 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 23:06:57,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:06:57,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:06:57,592 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-06 23:06:57,592 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 23:06:57,600 INFO L748 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~x~0#1, main_~y~0#1, main_~z~0#1, main_~tx~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~tx~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~tx~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 8#L22true assume !!(-1073741823 <= main_~tx~0#1 && main_~tx~0#1 <= 1073741823); 12#L23true assume !!(-1073741823 <= main_~z~0#1 && main_~z~0#1 <= 1073741823); 13#L24true assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 4#L25true assume !!(main_~y~0#1 <= 1073741823); 7#L27-2true [2023-11-06 23:06:57,601 INFO L750 eck$LassoCheckResult]: Loop: 7#L27-2true assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 3#L27true assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~y~0#1 := 1 + main_~y~0#1; 7#L27-2true [2023-11-06 23:06:57,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:57,607 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2023-11-06 23:06:57,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:57,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359714410] [2023-11-06 23:06:57,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:57,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:06:57,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:06:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:06:57,730 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:06:57,735 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:57,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1963, now seen corresponding path program 1 times [2023-11-06 23:06:57,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:57,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742624369] [2023-11-06 23:06:57,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:57,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:06:57,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:06:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:06:57,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:06:57,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:57,784 INFO L85 PathProgramCache]: Analyzing trace with hash 179567799, now seen corresponding path program 1 times [2023-11-06 23:06:57,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:57,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861952913] [2023-11-06 23:06:57,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:57,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:06:57,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:06:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:06:57,839 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:06:57,980 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:06:57,982 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:06:57,982 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:06:57,983 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:06:57,983 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 23:06:57,983 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:57,983 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:06:57,983 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:06:57,984 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration1_Loop [2023-11-06 23:06:57,984 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:06:57,984 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:06:58,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:58,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:58,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:58,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:58,139 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:06:58,140 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 23:06:58,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:58,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:58,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:58,162 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:06:58,162 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:06:58,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 23:06:58,190 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:06:58,190 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 23:06:58,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:58,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:58,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:58,203 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:58,208 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:06:58,208 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:06:58,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 23:06:58,233 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:06:58,233 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 23:06:58,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:58,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:58,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:58,245 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:58,254 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:06:58,254 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:06:58,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 23:06:58,292 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:06:58,292 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 23:06:58,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:58,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:58,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:58,301 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:58,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 23:06:58,308 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:06:58,308 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:06:58,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:58,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:58,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:58,362 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:58,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 23:06:58,369 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 23:06:58,369 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:06:58,624 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 23:06:58,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:58,633 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:06:58,633 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:06:58,633 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:06:58,634 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:06:58,634 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:06:58,634 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:58,634 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:06:58,634 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:06:58,634 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration1_Loop [2023-11-06 23:06:58,634 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:06:58,635 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:06:58,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:58,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:58,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:58,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:58,704 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:06:58,709 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:06:58,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:58,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:58,712 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:58,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:06:58,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:06:58,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:06:58,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:06:58,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:06:58,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:06:58,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:06:58,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 23:06:58,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:06:58,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:58,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:58,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:58,778 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:58,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 23:06:58,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:06:58,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:06:58,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:06:58,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:06:58,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:06:58,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:06:58,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:06:58,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:06:58,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:58,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:58,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:58,833 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:58,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:06:58,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 23:06:58,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:06:58,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:06:58,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:06:58,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:06:58,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:06:58,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:06:58,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:06:58,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:06:58,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:58,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:58,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:58,880 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:58,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:06:58,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 23:06:58,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:06:58,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:06:58,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:06:58,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:06:58,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:06:58,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:06:58,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:06:58,913 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:06:58,918 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 23:06:58,918 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 23:06:58,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:58,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:58,948 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:58,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 23:06:58,951 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:06:58,951 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 23:06:58,951 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:06:58,952 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2023-11-06 23:06:58,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:58,961 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 23:06:59,001 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:59,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:59,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:06:59,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:59,088 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:06:59,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:06:59,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:06:59,175 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 23:06:59,177 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:06:59,244 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 40 transitions. Complement of second has 8 states. [2023-11-06 23:06:59,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 23:06:59,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:06:59,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2023-11-06 23:06:59,256 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-06 23:06:59,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:06:59,257 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-06 23:06:59,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:06:59,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-06 23:06:59,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:06:59,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 40 transitions. [2023-11-06 23:06:59,262 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 23:06:59,266 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 13 states and 16 transitions. [2023-11-06 23:06:59,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-06 23:06:59,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-06 23:06:59,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2023-11-06 23:06:59,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:06:59,269 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-06 23:06:59,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2023-11-06 23:06:59,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-06 23:06:59,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:06:59,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2023-11-06 23:06:59,298 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-06 23:06:59,298 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-06 23:06:59,299 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 23:06:59,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2023-11-06 23:06:59,300 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 23:06:59,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:06:59,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:06:59,301 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:06:59,301 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:06:59,301 INFO L748 eck$LassoCheckResult]: Stem: 100#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 101#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~x~0#1, main_~y~0#1, main_~z~0#1, main_~tx~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~tx~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~tx~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 92#L22 assume !!(-1073741823 <= main_~tx~0#1 && main_~tx~0#1 <= 1073741823); 93#L23 assume !!(-1073741823 <= main_~z~0#1 && main_~z~0#1 <= 1073741823); 102#L24 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 98#L25 assume !!(main_~y~0#1 <= 1073741823); 99#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 94#L27 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;main_~tx~0#1 := main_~x~0#1;havoc main_#t~nondet5#1;main_~x~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 95#L31 [2023-11-06 23:06:59,302 INFO L750 eck$LassoCheckResult]: Loop: 95#L31 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 103#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 104#L27 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;main_~tx~0#1 := main_~x~0#1;havoc main_#t~nondet5#1;main_~x~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 95#L31 [2023-11-06 23:06:59,302 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:59,302 INFO L85 PathProgramCache]: Analyzing trace with hash 179567792, now seen corresponding path program 1 times [2023-11-06 23:06:59,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:59,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39745997] [2023-11-06 23:06:59,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:59,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:06:59,313 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:06:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:06:59,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:06:59,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:59,322 INFO L85 PathProgramCache]: Analyzing trace with hash 68265, now seen corresponding path program 1 times [2023-11-06 23:06:59,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:59,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425433656] [2023-11-06 23:06:59,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:59,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:06:59,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:06:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:06:59,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:06:59,337 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:59,337 INFO L85 PathProgramCache]: Analyzing trace with hash -2025120870, now seen corresponding path program 1 times [2023-11-06 23:06:59,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:59,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745277803] [2023-11-06 23:06:59,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:59,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:06:59,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:06:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:06:59,361 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:06:59,428 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:06:59,429 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:06:59,429 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:06:59,429 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:06:59,429 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 23:06:59,429 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:59,430 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:06:59,430 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:06:59,430 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration2_Loop [2023-11-06 23:06:59,430 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:06:59,430 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:06:59,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:59,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:59,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:59,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:59,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:59,528 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:06:59,528 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 23:06:59,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:59,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:59,530 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:59,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 23:06:59,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:06:59,536 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:06:59,559 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:06:59,559 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 23:06:59,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:59,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:59,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:59,566 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:59,572 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:06:59,573 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:06:59,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 23:06:59,595 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:06:59,595 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 23:06:59,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:59,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:59,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:59,605 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:59,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:06:59,617 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:06:59,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 23:06:59,648 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:06:59,648 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 23:06:59,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:59,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:59,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:59,659 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:59,665 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:06:59,665 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:06:59,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 23:06:59,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:59,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:59,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:59,698 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:59,708 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 23:06:59,708 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:06:59,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 23:06:59,741 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 23:06:59,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:59,745 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:06:59,746 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:06:59,746 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:06:59,746 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:06:59,746 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:06:59,746 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:59,746 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:06:59,746 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:06:59,747 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration2_Loop [2023-11-06 23:06:59,747 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:06:59,747 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:06:59,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:59,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:59,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:59,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:59,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:06:59,871 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:06:59,871 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:06:59,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:59,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:59,873 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:59,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:06:59,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:06:59,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:06:59,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:06:59,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:06:59,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:06:59,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:06:59,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-06 23:06:59,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:06:59,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:59,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:59,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:59,921 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:59,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:06:59,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:06:59,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:06:59,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:06:59,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:06:59,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:06:59,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:06:59,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:06:59,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:06:59,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-06 23:06:59,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-06 23:06:59,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:06:59,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:59,964 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:59,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:06:59,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:06:59,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:06:59,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:06:59,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:07:00,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-06 23:07:00,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:07:00,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:07:00,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:07:00,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:00,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:00,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:00,034 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:00,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:07:00,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:07:00,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:07:00,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:07:00,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:07:00,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:07:00,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:07:00,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:07:00,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-06 23:07:00,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:07:00,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:00,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:00,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:00,073 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:00,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-06 23:07:00,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:07:00,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:07:00,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:07:00,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:07:00,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:07:00,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:07:00,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:07:00,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:07:00,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:07:00,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:00,103 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-06 23:07:00,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:00,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:00,104 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:00,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-06 23:07:00,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:07:00,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:07:00,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:07:00,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:07:00,127 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 23:07:00,130 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-06 23:07:00,130 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-06 23:07:00,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:07:00,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:00,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:00,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:00,157 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:00,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:07:00,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:07:00,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:07:00,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:07:00,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:07:00,177 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 23:07:00,178 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 23:07:00,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:07:00,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-06 23:07:00,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:07:00,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:00,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:00,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:00,199 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:00,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:07:00,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-06 23:07:00,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:07:00,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:07:00,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:07:00,222 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 23:07:00,226 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-06 23:07:00,226 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-06 23:07:00,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:07:00,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:00,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:00,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:00,273 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:00,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:07:00,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-06 23:07:00,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:07:00,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:07:00,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:07:00,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:07:00,291 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 23:07:00,292 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 23:07:00,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:07:00,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:07:00,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:00,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:00,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:00,313 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:00,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:07:00,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:07:00,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:07:00,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:07:00,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:07:00,331 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 23:07:00,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-06 23:07:00,336 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 23:07:00,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:07:00,348 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:07:00,372 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-06 23:07:00,372 INFO L444 ModelExtractionUtils]: 5 out of 11 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-06 23:07:00,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:00,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:00,374 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:00,380 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:07:00,380 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 23:07:00,381 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:07:00,381 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0#1 f1 = 2*ULTIMATE.start_main_~z~0#1 + 2*ULTIMATE.start_main_~tx~0#1 + 2147483647 Supporting invariants [] [2023-11-06 23:07:00,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-06 23:07:00,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:00,392 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 23:07:00,401 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if 2 * ~z~0 > 0 then 1 else 0) could not be translated [2023-11-06 23:07:00,402 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if 2 * ~z~0 > 0 then 2 * ~z~0 else 2147483647 + 2 * ~tx~0 + 2 * ~z~0) could not be translated [2023-11-06 23:07:00,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:00,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:07:00,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:00,474 WARN L260 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 23:07:00,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:00,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:07:00,768 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-06 23:07:00,769 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:07:00,890 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 23 transitions. Complement of second has 6 states. [2023-11-06 23:07:00,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 23:07:00,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:07:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2023-11-06 23:07:00,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 3 letters. [2023-11-06 23:07:00,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:07:00,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 3 letters. [2023-11-06 23:07:00,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:07:00,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 6 letters. [2023-11-06 23:07:00,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:07:00,895 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2023-11-06 23:07:00,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 23:07:00,899 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2023-11-06 23:07:00,899 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-06 23:07:00,900 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-06 23:07:00,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2023-11-06 23:07:00,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:07:00,900 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2023-11-06 23:07:00,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2023-11-06 23:07:00,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2023-11-06 23:07:00,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 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) [2023-11-06 23:07:00,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2023-11-06 23:07:00,904 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-06 23:07:00,905 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-06 23:07:00,905 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 23:07:00,905 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2023-11-06 23:07:00,905 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 23:07:00,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:07:00,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:07:00,906 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:07:00,906 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 23:07:00,906 INFO L748 eck$LassoCheckResult]: Stem: 191#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 192#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~x~0#1, main_~y~0#1, main_~z~0#1, main_~tx~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~tx~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~tx~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 183#L22 assume !!(-1073741823 <= main_~tx~0#1 && main_~tx~0#1 <= 1073741823); 184#L23 assume !!(-1073741823 <= main_~z~0#1 && main_~z~0#1 <= 1073741823); 193#L24 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 189#L25 assume !!(main_~y~0#1 <= 1073741823); 190#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 197#L27 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;main_~tx~0#1 := main_~x~0#1;havoc main_#t~nondet5#1;main_~x~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 194#L31 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 186#L27-2 [2023-11-06 23:07:00,906 INFO L750 eck$LassoCheckResult]: Loop: 186#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 185#L27 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~y~0#1 := 1 + main_~y~0#1; 186#L27-2 [2023-11-06 23:07:00,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:00,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1271634295, now seen corresponding path program 2 times [2023-11-06 23:07:00,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:00,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090562478] [2023-11-06 23:07:00,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:00,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:00,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:07:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:00,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:07:00,922 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:00,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1963, now seen corresponding path program 2 times [2023-11-06 23:07:00,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:00,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903975991] [2023-11-06 23:07:00,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:00,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:00,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:07:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:00,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:07:00,932 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:00,932 INFO L85 PathProgramCache]: Analyzing trace with hash -2025120863, now seen corresponding path program 1 times [2023-11-06 23:07:00,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:00,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556698697] [2023-11-06 23:07:00,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:00,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:00,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:07:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:00,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:07:00,973 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:07:00,973 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:07:00,973 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:07:00,973 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:07:00,973 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 23:07:00,973 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:00,973 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:07:00,973 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:07:00,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration3_Loop [2023-11-06 23:07:00,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:07:00,974 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:07:00,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:00,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:00,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:00,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:01,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:01,050 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:07:01,050 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 23:07:01,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:01,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:01,051 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:01,060 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:07:01,060 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:07:01,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-06 23:07:01,083 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:07:01,083 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 23:07:01,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:01,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:01,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:01,089 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:01,096 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:07:01,096 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:07:01,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-06 23:07:01,120 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:07:01,120 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 23:07:01,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:01,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:01,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:01,131 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:01,134 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:07:01,134 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:07:01,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-06 23:07:01,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:01,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:01,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:01,173 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:01,176 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 23:07:01,177 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:07:01,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-06 23:07:01,419 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 23:07:01,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-06 23:07:01,422 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:07:01,422 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:07:01,423 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:07:01,423 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:07:01,423 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:07:01,423 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:01,423 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:07:01,423 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:07:01,423 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration3_Loop [2023-11-06 23:07:01,423 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:07:01,423 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:07:01,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:01,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:01,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:01,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:01,499 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:07:01,499 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:07:01,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:01,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:01,501 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:01,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:07:01,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:07:01,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:07:01,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:07:01,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:07:01,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:07:01,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:07:01,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:07:01,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-06 23:07:01,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:07:01,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:01,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:01,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:01,544 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:01,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:07:01,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:07:01,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:07:01,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:07:01,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:07:01,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-06 23:07:01,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:07:01,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:07:01,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:07:01,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:01,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:01,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:01,584 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:01,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:07:01,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:07:01,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:07:01,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:07:01,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:07:01,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:07:01,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:07:01,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:07:01,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-06 23:07:01,623 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:07:01,626 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 23:07:01,627 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 23:07:01,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:01,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:01,628 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:01,632 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:07:01,633 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 23:07:01,633 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:07:01,633 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2023-11-06 23:07:01,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-06 23:07:01,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:01,643 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 23:07:01,658 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:01,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:07:01,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:01,693 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:07:01,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:01,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:07:01,718 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 23:07:01,718 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:07:01,749 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 30 transitions. Complement of second has 5 states. [2023-11-06 23:07:01,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 23:07:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:07:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2023-11-06 23:07:01,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-06 23:07:01,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:07:01,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 11 letters. Loop has 2 letters. [2023-11-06 23:07:01,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:07:01,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 4 letters. [2023-11-06 23:07:01,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:07:01,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2023-11-06 23:07:01,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 23:07:01,759 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 19 states and 24 transitions. [2023-11-06 23:07:01,759 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-06 23:07:01,759 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-06 23:07:01,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2023-11-06 23:07:01,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:07:01,759 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-06 23:07:01,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2023-11-06 23:07:01,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-06 23:07:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:07:01,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2023-11-06 23:07:01,767 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-06 23:07:01,767 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-06 23:07:01,767 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 23:07:01,767 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2023-11-06 23:07:01,768 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 23:07:01,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:07:01,769 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:07:01,770 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-06 23:07:01,770 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 23:07:01,770 INFO L748 eck$LassoCheckResult]: Stem: 283#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 284#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~x~0#1, main_~y~0#1, main_~z~0#1, main_~tx~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~tx~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;havoc main_#t~nondet3#1;main_~tx~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 275#L22 assume !!(-1073741823 <= main_~tx~0#1 && main_~tx~0#1 <= 1073741823); 276#L23 assume !!(-1073741823 <= main_~z~0#1 && main_~z~0#1 <= 1073741823); 285#L24 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 281#L25 assume !!(main_~y~0#1 <= 1073741823); 282#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 291#L27 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;main_~tx~0#1 := main_~x~0#1;havoc main_#t~nondet5#1;main_~x~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 286#L31 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 280#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 290#L27 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;main_~tx~0#1 := main_~x~0#1;havoc main_#t~nondet5#1;main_~x~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 287#L31 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 278#L27-2 [2023-11-06 23:07:01,770 INFO L750 eck$LassoCheckResult]: Loop: 278#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1);havoc main_#t~nondet4#1; 277#L27 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~y~0#1 := 1 + main_~y~0#1; 278#L27-2 [2023-11-06 23:07:01,771 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:01,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1645762509, now seen corresponding path program 3 times [2023-11-06 23:07:01,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:01,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925652192] [2023-11-06 23:07:01,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:01,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:01,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:07:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:01,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:07:01,824 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:01,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1963, now seen corresponding path program 3 times [2023-11-06 23:07:01,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:01,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932165466] [2023-11-06 23:07:01,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:01,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:01,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:07:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:01,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:07:01,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:01,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1029807223, now seen corresponding path program 2 times [2023-11-06 23:07:01,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:01,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821080354] [2023-11-06 23:07:01,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:01,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:01,852 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:07:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:01,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:07:01,883 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:07:01,883 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:07:01,883 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:07:01,883 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:07:01,883 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 23:07:01,883 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:01,883 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:07:01,883 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:07:01,884 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration4_Loop [2023-11-06 23:07:01,884 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:07:01,884 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:07:01,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:01,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:01,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:01,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:01,941 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:07:01,941 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 23:07:01,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:01,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:01,943 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:01,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:07:01,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:07:01,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-06 23:07:01,967 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:07:01,967 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 23:07:01,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:01,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:01,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:01,978 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:01,984 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:07:01,984 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:07:01,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-06 23:07:02,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:02,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:02,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:02,014 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:02,020 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 23:07:02,020 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:07:02,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-06 23:07:02,280 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 23:07:02,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-06 23:07:02,283 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:07:02,283 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:07:02,283 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:07:02,284 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:07:02,284 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:07:02,284 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:02,284 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:07:02,284 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:07:02,284 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration4_Loop [2023-11-06 23:07:02,284 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:07:02,284 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:07:02,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:02,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:02,303 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:02,306 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:07:02,358 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:07:02,358 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:07:02,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:02,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:02,359 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:02,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:07:02,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:07:02,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:07:02,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:07:02,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:07:02,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:07:02,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:07:02,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:07:02,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-06 23:07:02,411 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:07:02,414 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 23:07:02,414 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 23:07:02,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:07:02,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:02,418 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:02,422 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:07:02,423 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 23:07:02,423 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:07:02,423 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2023-11-06 23:07:02,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-06 23:07:02,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:02,433 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 23:07:02,448 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:02,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:07:02,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:02,485 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:07:02,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:02,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:07:02,509 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 23:07:02,509 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:07:02,528 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 26 transitions. Complement of second has 5 states. [2023-11-06 23:07:02,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 23:07:02,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:07:02,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2023-11-06 23:07:02,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 12 letters. Loop has 2 letters. [2023-11-06 23:07:02,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:07:02,530 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 23:07:02,544 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:02,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:07:02,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:02,573 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:07:02,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:02,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:07:02,601 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 23:07:02,601 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:07:02,622 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 26 transitions. Complement of second has 5 states. [2023-11-06 23:07:02,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 23:07:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:07:02,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2023-11-06 23:07:02,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 12 letters. Loop has 2 letters. [2023-11-06 23:07:02,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:07:02,627 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 23:07:02,639 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:02,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:07:02,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:02,689 WARN L260 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:07:02,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:02,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:07:02,710 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 23:07:02,710 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:07:02,736 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 30 transitions. Complement of second has 4 states. [2023-11-06 23:07:02,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 23:07:02,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:07:02,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-11-06 23:07:02,739 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 12 letters. Loop has 2 letters. [2023-11-06 23:07:02,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:07:02,739 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 14 letters. Loop has 2 letters. [2023-11-06 23:07:02,740 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:07:02,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 12 letters. Loop has 4 letters. [2023-11-06 23:07:02,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:07:02,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2023-11-06 23:07:02,744 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 23:07:02,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2023-11-06 23:07:02,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 23:07:02,745 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 23:07:02,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 23:07:02,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:07:02,745 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:07:02,745 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:07:02,745 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:07:02,745 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 23:07:02,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:07:02,746 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 23:07:02,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 23:07:02,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 11:07:02 BoogieIcfgContainer [2023-11-06 23:07:02,753 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 23:07:02,754 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:07:02,754 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:07:02,754 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:07:02,755 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:06:57" (3/4) ... [2023-11-06 23:07:02,756 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:07:02,757 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:07:02,760 INFO L158 Benchmark]: Toolchain (without parser) took 5919.66ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 116.5MB in the beginning and 118.5MB in the end (delta: -1.9MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2023-11-06 23:07:02,760 INFO L158 Benchmark]: CDTParser took 1.45ms. Allocated memory is still 155.2MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:07:02,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.75ms. Allocated memory is still 155.2MB. Free memory was 116.0MB in the beginning and 106.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 23:07:02,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.99ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 105.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:07:02,761 INFO L158 Benchmark]: Boogie Preprocessor took 41.23ms. Allocated memory is still 155.2MB. Free memory was 105.4MB in the beginning and 104.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:07:02,762 INFO L158 Benchmark]: RCFGBuilder took 289.61ms. Allocated memory is still 155.2MB. Free memory was 103.7MB in the beginning and 94.0MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 23:07:02,762 INFO L158 Benchmark]: BuchiAutomizer took 5260.64ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 94.0MB in the beginning and 119.5MB in the end (delta: -25.5MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2023-11-06 23:07:02,762 INFO L158 Benchmark]: Witness Printer took 3.57ms. Allocated memory is still 218.1MB. Free memory was 119.5MB in the beginning and 118.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:07:02,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45ms. Allocated memory is still 155.2MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.75ms. Allocated memory is still 155.2MB. Free memory was 116.0MB in the beginning and 106.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.99ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 105.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.23ms. Allocated memory is still 155.2MB. Free memory was 105.4MB in the beginning and 104.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 289.61ms. Allocated memory is still 155.2MB. Free memory was 103.7MB in the beginning and 94.0MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 5260.64ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 94.0MB in the beginning and 119.5MB in the end (delta: -25.5MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 3.57ms. Allocated memory is still 218.1MB. Free memory was 119.5MB in the beginning and 118.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IfThenElseExpression (if 2 * ~z~0 > 0 then 1 else 0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IfThenElseExpression (if 2 * ~z~0 > 0 then 2 * ~z~0 else 2147483647 + 2 * ~tx~0 + 2 * ~z~0) could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (((2 * x) + (-2 * y)) + 1) and consists of 5 locations. One deterministic module has 2-nested ranking function NULL, NULL and consists of 4 locations. One deterministic module has affine ranking function (((2 * x) + (-2 * y)) + 1) and consists of 3 locations. One nondeterministic module has affine ranking function (((2 * x) + (-2 * y)) + 1) and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.2s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 65 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax171 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq139 hnf95 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-06 23:07:02,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:02,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:03,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac8792c1-f906-4812-8b2c-354ee3ae3c48/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE