./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/PastaC3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/PastaC3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c651b2cf12ef151f8c483095acc3023b343707b6f3267a95c45195266139a503 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:08:10,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:08:10,577 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-13 16:08:10,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:08:10,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:08:10,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:08:10,616 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:08:10,616 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:08:10,617 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:08:10,617 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:08:10,618 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:08:10,618 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:08:10,618 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:08:10,618 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 16:08:10,618 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 16:08:10,618 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 16:08:10,618 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 16:08:10,618 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 16:08:10,619 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 16:08:10,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:08:10,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 16:08:10,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:08:10,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:08:10,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 16:08:10,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 16:08:10,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 16:08:10,619 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:08:10,620 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:08:10,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:08:10,620 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 16:08:10,620 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:08:10,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:08:10,621 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:08:10,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:08:10,621 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:08:10,622 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 16:08:10,622 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c651b2cf12ef151f8c483095acc3023b343707b6f3267a95c45195266139a503 [2024-11-13 16:08:10,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:08:10,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:08:10,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:08:10,996 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:08:10,997 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:08:11,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-restricted-15/PastaC3.c Unable to find full path for "g++" [2024-11-13 16:08:13,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:08:13,475 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:08:13,476 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/sv-benchmarks/c/termination-restricted-15/PastaC3.c [2024-11-13 16:08:13,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/data/7d232350a/4a523e5c9aaf49949b0f5a41d394bd75/FLAG203d58de6 [2024-11-13 16:08:13,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/data/7d232350a/4a523e5c9aaf49949b0f5a41d394bd75 [2024-11-13 16:08:13,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:08:13,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:08:13,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:08:13,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:08:13,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:08:13,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:08:13" (1/1) ... [2024-11-13 16:08:13,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c202c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:08:13, skipping insertion in model container [2024-11-13 16:08:13,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:08:13" (1/1) ... [2024-11-13 16:08:13,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:08:13,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:08:13,768 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:08:13,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:08:13,801 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:08:13,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:08:13 WrapperNode [2024-11-13 16:08:13,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:08:13,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:08:13,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:08:13,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:08:13,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:08:13" (1/1) ... [2024-11-13 16:08:13,815 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:08:13" (1/1) ... [2024-11-13 16:08:13,837 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2024-11-13 16:08:13,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:08:13,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:08:13,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:08:13,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:08:13,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:08:13" (1/1) ... [2024-11-13 16:08:13,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:08:13" (1/1) ... [2024-11-13 16:08:13,850 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:08:13" (1/1) ... [2024-11-13 16:08:13,858 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 16:08:13,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:08:13" (1/1) ... [2024-11-13 16:08:13,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:08:13" (1/1) ... [2024-11-13 16:08:13,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:08:13" (1/1) ... [2024-11-13 16:08:13,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:08:13" (1/1) ... [2024-11-13 16:08:13,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:08:13" (1/1) ... [2024-11-13 16:08:13,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:08:13" (1/1) ... [2024-11-13 16:08:13,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:08:13,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:08:13,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:08:13,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:08:13,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:08:13" (1/1) ... [2024-11-13 16:08:13,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:13,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:13,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:13,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 16:08:13,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:08:13,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:08:14,080 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:08:14,082 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:08:14,163 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-13 16:08:14,164 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:08:14,175 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:08:14,175 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:08:14,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:08:14 BoogieIcfgContainer [2024-11-13 16:08:14,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:08:14,177 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 16:08:14,177 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 16:08:14,183 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 16:08:14,184 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:08:14,184 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 04:08:13" (1/3) ... [2024-11-13 16:08:14,185 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d2e2708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 04:08:14, skipping insertion in model container [2024-11-13 16:08:14,185 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:08:14,185 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:08:13" (2/3) ... [2024-11-13 16:08:14,186 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d2e2708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 04:08:14, skipping insertion in model container [2024-11-13 16:08:14,186 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:08:14,186 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:08:14" (3/3) ... [2024-11-13 16:08:14,188 INFO L333 chiAutomizerObserver]: Analyzing ICFG PastaC3.c [2024-11-13 16:08:14,250 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 16:08:14,250 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 16:08:14,251 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 16:08:14,251 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 16:08:14,251 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 16:08:14,251 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 16:08:14,252 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 16:08:14,252 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 16:08:14,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2024-11-13 16:08:14,280 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 16:08:14,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:08:14,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:08:14,288 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 16:08:14,289 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 16:08:14,289 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 16:08:14,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2024-11-13 16:08:14,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 16:08:14,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:08:14,292 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:08:14,293 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 16:08:14,293 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 16:08:14,302 INFO L745 eck$LassoCheckResult]: Stem: 5#$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_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~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; 8#L14-2true [2024-11-13 16:08:14,302 INFO L747 eck$LassoCheckResult]: Loop: 8#L14-2true assume !!(main_~x~0#1 < main_~y~0#1); 7#L14true assume main_~x~0#1 < main_~z~0#1;main_~x~0#1 := 1 + main_~x~0#1; 8#L14-2true [2024-11-13 16:08:14,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:14,310 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-13 16:08:14,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:14,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528800309] [2024-11-13 16:08:14,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:14,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:14,423 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:08:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:14,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:08:14,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:14,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2024-11-13 16:08:14,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:14,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500588007] [2024-11-13 16:08:14,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:14,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:14,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:08:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:14,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:08:14,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:14,493 INFO L85 PathProgramCache]: Analyzing trace with hash 925766, now seen corresponding path program 1 times [2024-11-13 16:08:14,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:14,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784253774] [2024-11-13 16:08:14,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:14,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:14,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:08:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:14,523 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:08:14,654 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:08:14,655 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:08:14,655 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:08:14,656 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:08:14,656 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 16:08:14,656 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:14,658 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:08:14,658 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:08:14,659 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaC3.c_Iteration1_Loop [2024-11-13 16:08:14,659 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:08:14,659 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:08:14,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:14,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:14,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:14,854 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:08:14,855 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 16:08:14,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:14,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:14,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:14,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 16:08:14,868 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:08:14,868 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:08:14,903 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:08:14,903 INFO L401 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: [] [2024-11-13 16:08:14,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-13 16:08:14,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:14,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:14,929 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:14,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 16:08:14,934 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:08:14,934 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:08:14,961 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:08:14,961 INFO L401 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: [] [2024-11-13 16:08:14,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-13 16:08:14,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:14,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:14,977 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:14,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 16:08:14,980 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:08:14,980 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:08:15,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-13 16:08:15,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:15,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:15,020 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:15,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 16:08:15,024 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 16:08:15,024 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:08:15,258 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 16:08:15,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-13 16:08:15,262 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:08:15,262 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:08:15,262 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:08:15,262 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:08:15,262 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 16:08:15,262 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:15,262 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:08:15,263 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:08:15,263 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaC3.c_Iteration1_Loop [2024-11-13 16:08:15,263 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:08:15,263 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:08:15,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:15,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:15,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:15,362 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:08:15,367 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 16:08:15,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:15,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:15,371 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:15,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 16:08:15,383 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 [2024-11-13 16:08:15,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:08:15,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:08:15,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:08:15,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:08:15,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 16:08:15,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 16:08:15,431 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 16:08:15,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-13 16:08:15,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:15,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:15,460 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:15,464 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 [2024-11-13 16:08:15,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 16:08:15,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:08:15,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 16:08:15,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:08:15,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:08:15,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:08:15,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 16:08:15,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 16:08:15,501 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 16:08:15,508 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 16:08:15,514 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 16:08:15,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:15,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:15,520 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:15,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 16:08:15,523 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 16:08:15,524 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 16:08:15,524 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 16:08:15,525 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = -1*ULTIMATE.start_main_~x~0#1 + 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2024-11-13 16:08:15,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-13 16:08:15,547 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 16:08:15,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,621 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:08:15,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:08:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:15,638 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:08:15,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:08:15,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:08:15,706 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 [2024-11-13 16:08:15,708 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:08:15,782 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 24 transitions. Complement of second has 6 states. [2024-11-13 16:08:15,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-13 16:08:15,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:08:15,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-13 16:08:15,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-13 16:08:15,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:08:15,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-13 16:08:15,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:08:15,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-13 16:08:15,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:08:15,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 24 transitions. [2024-11-13 16:08:15,811 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 16:08:15,814 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 9 states and 12 transitions. [2024-11-13 16:08:15,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-13 16:08:15,816 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-13 16:08:15,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2024-11-13 16:08:15,817 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 16:08:15,817 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2024-11-13 16:08:15,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2024-11-13 16:08:15,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-11-13 16:08:15,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 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) [2024-11-13 16:08:15,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-11-13 16:08:15,848 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-13 16:08:15,848 INFO L424 stractBuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-11-13 16:08:15,848 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 16:08:15,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2024-11-13 16:08:15,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 16:08:15,849 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:08:15,849 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:08:15,850 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-13 16:08:15,850 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 16:08:15,850 INFO L745 eck$LassoCheckResult]: Stem: 61#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 62#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 63#L14-2 assume !!(main_~x~0#1 < main_~y~0#1); 64#L14 [2024-11-13 16:08:15,850 INFO L747 eck$LassoCheckResult]: Loop: 64#L14 assume !(main_~x~0#1 < main_~z~0#1);main_~z~0#1 := 1 + main_~z~0#1; 65#L14-2 assume !!(main_~x~0#1 < main_~y~0#1); 64#L14 [2024-11-13 16:08:15,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:15,852 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2024-11-13 16:08:15,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:15,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785689273] [2024-11-13 16:08:15,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:15,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:15,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:08:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:15,865 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:08:15,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:15,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2024-11-13 16:08:15,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:15,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399613105] [2024-11-13 16:08:15,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:15,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:15,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:08:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:15,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:08:15,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:15,880 INFO L85 PathProgramCache]: Analyzing trace with hash 28698818, now seen corresponding path program 1 times [2024-11-13 16:08:15,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:15,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929457139] [2024-11-13 16:08:15,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:15,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:15,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:08:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:15,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:08:15,948 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:08:15,948 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:08:15,948 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:08:15,948 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:08:15,948 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 16:08:15,948 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:15,948 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:08:15,949 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:08:15,949 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaC3.c_Iteration2_Loop [2024-11-13 16:08:15,949 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:08:15,949 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:08:15,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:15,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:15,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:16,042 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:08:16,042 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 16:08:16,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:16,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:16,045 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:16,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 16:08:16,050 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:08:16,051 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:08:16,081 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:08:16,081 INFO L401 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: [] [2024-11-13 16:08:16,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-13 16:08:16,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:16,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:16,097 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:16,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 16:08:16,099 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:08:16,099 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:08:16,125 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:08:16,125 INFO L401 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: [] [2024-11-13 16:08:16,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-13 16:08:16,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:16,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:16,143 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:16,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 16:08:16,145 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:08:16,145 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:08:16,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-13 16:08:16,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:16,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:16,184 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:16,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 16:08:16,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 16:08:16,203 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:08:16,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-13 16:08:16,454 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 16:08:16,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-13 16:08:16,457 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:08:16,458 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:08:16,458 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:08:16,458 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:08:16,458 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 16:08:16,458 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:16,458 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:08:16,458 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:08:16,458 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaC3.c_Iteration2_Loop [2024-11-13 16:08:16,458 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:08:16,458 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:08:16,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:16,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:16,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:16,550 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:08:16,550 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 16:08:16,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:16,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:16,555 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:16,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-13 16:08:16,558 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 [2024-11-13 16:08:16,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:08:16,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:08:16,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:08:16,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:08:16,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 16:08:16,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 16:08:16,581 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 16:08:16,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-13 16:08:16,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:16,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:16,605 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:16,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-13 16:08:16,607 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 [2024-11-13 16:08:16,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:08:16,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 16:08:16,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:08:16,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:08:16,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:08:16,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 16:08:16,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 16:08:16,628 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 16:08:16,635 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 16:08:16,635 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 16:08:16,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:16,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:16,638 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:16,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-13 16:08:16,640 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 16:08:16,640 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 16:08:16,640 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 16:08:16,640 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~z~0#1) = 2*ULTIMATE.start_main_~x~0#1 - 2*ULTIMATE.start_main_~z~0#1 + 1 Supporting invariants [] [2024-11-13 16:08:16,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-13 16:08:16,657 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 16:08:16,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:16,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:08:16,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:08:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:16,702 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:08:16,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:08:16,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:08:16,756 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 [2024-11-13 16:08:16,757 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:08:16,774 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 21 transitions. Complement of second has 5 states. [2024-11-13 16:08:16,775 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 [2024-11-13 16:08:16,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:08:16,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-13 16:08:16,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-13 16:08:16,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:08:16,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-13 16:08:16,777 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:08:16,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-13 16:08:16,777 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:08:16,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2024-11-13 16:08:16,780 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 16:08:16,780 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 12 states and 16 transitions. [2024-11-13 16:08:16,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-11-13 16:08:16,782 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-11-13 16:08:16,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2024-11-13 16:08:16,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-13 16:08:16,782 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-11-13 16:08:16,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2024-11-13 16:08:16,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-13 16:08:16,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 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) [2024-11-13 16:08:16,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2024-11-13 16:08:16,786 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-11-13 16:08:16,786 INFO L424 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-11-13 16:08:16,786 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 16:08:16,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2024-11-13 16:08:16,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-13 16:08:16,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:08:16,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:08:16,787 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2024-11-13 16:08:16,787 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-13 16:08:16,787 INFO L745 eck$LassoCheckResult]: Stem: 120#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 121#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_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~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; 122#L14-2 assume !!(main_~x~0#1 < main_~y~0#1); 127#L14 assume main_~x~0#1 < main_~z~0#1;main_~x~0#1 := 1 + main_~x~0#1; 130#L14-2 assume !!(main_~x~0#1 < main_~y~0#1); 123#L14 [2024-11-13 16:08:16,787 INFO L747 eck$LassoCheckResult]: Loop: 123#L14 assume !(main_~x~0#1 < main_~z~0#1);main_~z~0#1 := 1 + main_~z~0#1; 124#L14-2 assume !!(main_~x~0#1 < main_~y~0#1); 123#L14 [2024-11-13 16:08:16,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:16,790 INFO L85 PathProgramCache]: Analyzing trace with hash 28698756, now seen corresponding path program 2 times [2024-11-13 16:08:16,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:16,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012962466] [2024-11-13 16:08:16,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:16,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:16,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:08:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:16,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:08:16,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:16,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 2 times [2024-11-13 16:08:16,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:16,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102763337] [2024-11-13 16:08:16,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:16,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:16,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:08:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:16,836 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:08:16,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:16,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1809701215, now seen corresponding path program 1 times [2024-11-13 16:08:16,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:08:16,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993600484] [2024-11-13 16:08:16,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:08:16,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:08:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:16,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:08:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:08:16,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:08:16,904 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:08:16,904 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:08:16,904 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:08:16,904 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:08:16,904 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 16:08:16,904 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:16,904 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:08:16,904 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:08:16,904 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaC3.c_Iteration3_Loop [2024-11-13 16:08:16,905 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:08:16,905 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:08:16,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:16,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:16,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:16,991 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:08:16,991 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 16:08:16,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:16,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:16,994 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:16,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-13 16:08:16,997 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:08:16,998 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:08:17,028 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:08:17,029 INFO L401 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: [] [2024-11-13 16:08:17,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-13 16:08:17,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:17,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:17,052 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:17,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-13 16:08:17,054 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:08:17,054 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:08:17,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-13 16:08:17,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:17,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:17,090 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:17,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-13 16:08:17,092 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 16:08:17,092 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:08:17,353 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 16:08:17,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-13 16:08:17,357 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:08:17,357 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:08:17,357 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:08:17,357 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:08:17,357 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 16:08:17,357 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:17,357 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:08:17,357 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:08:17,357 INFO L132 ssoRankerPreferences]: Filename of dumped script: PastaC3.c_Iteration3_Loop [2024-11-13 16:08:17,357 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:08:17,357 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:08:17,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:17,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:17,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:08:17,453 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:08:17,455 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 16:08:17,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:17,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:17,458 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:17,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-13 16:08:17,462 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 [2024-11-13 16:08:17,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:08:17,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:08:17,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:08:17,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:08:17,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 16:08:17,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 16:08:17,493 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 16:08:17,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-13 16:08:17,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:17,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:17,520 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:17,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-13 16:08:17,524 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 [2024-11-13 16:08:17,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:08:17,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 16:08:17,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:08:17,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:08:17,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:08:17,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 16:08:17,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 16:08:17,547 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 16:08:17,552 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 16:08:17,553 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 16:08:17,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:08:17,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:08:17,556 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:08:17,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-13 16:08:17,560 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 16:08:17,560 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 16:08:17,560 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 16:08:17,560 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1, ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~z~0#1 + 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2024-11-13 16:08:17,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-13 16:08:17,582 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 16:08:17,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:17,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:08:17,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:08:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:17,631 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:08:17,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:08:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:08:17,664 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 [2024-11-13 16:08:17,664 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:08:17,680 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 18 transitions. Complement of second has 5 states. [2024-11-13 16:08:17,680 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 [2024-11-13 16:08:17,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:08:17,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-13 16:08:17,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-13 16:08:17,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:08:17,682 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 16:08:17,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:17,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:08:17,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:08:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:17,737 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:08:17,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:08:17,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:08:17,778 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 [2024-11-13 16:08:17,778 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:08:17,806 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 18 transitions. Complement of second has 5 states. [2024-11-13 16:08:17,807 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 [2024-11-13 16:08:17,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:08:17,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2024-11-13 16:08:17,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-13 16:08:17,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:08:17,808 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-13 16:08:17,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:08:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:17,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:08:17,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:08:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:08:17,851 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 16:08:17,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:08:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:08:17,878 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 [2024-11-13 16:08:17,878 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:08:17,893 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 23 transitions. Complement of second has 4 states. [2024-11-13 16:08:17,894 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 [2024-11-13 16:08:17,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:08:17,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2024-11-13 16:08:17,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-13 16:08:17,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:08:17,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-13 16:08:17,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:08:17,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-13 16:08:17,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:08:17,896 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2024-11-13 16:08:17,897 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 16:08:17,897 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2024-11-13 16:08:17,897 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 16:08:17,897 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 16:08:17,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 16:08:17,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 16:08:17,898 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:08:17,898 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:08:17,898 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:08:17,898 INFO L331 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-13 16:08:17,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 16:08:17,899 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 16:08:17,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 16:08:17,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 04:08:17 BoogieIcfgContainer [2024-11-13 16:08:17,909 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 16:08:17,910 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:08:17,910 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:08:17,911 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:08:17,912 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:08:14" (3/4) ... [2024-11-13 16:08:17,914 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:08:17,915 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:08:17,916 INFO L158 Benchmark]: Toolchain (without parser) took 4377.70ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 71.7MB in the end (delta: 47.7MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-11-13 16:08:17,917 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:08:17,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.47ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 109.4MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:08:17,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.74ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 108.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:08:17,918 INFO L158 Benchmark]: Boogie Preprocessor took 32.39ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.6MB in the end (delta: 703.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:08:17,918 INFO L158 Benchmark]: RCFGBuilder took 304.63ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 98.6MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:08:17,919 INFO L158 Benchmark]: BuchiAutomizer took 3732.56ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 71.8MB in the end (delta: 26.8MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-13 16:08:17,919 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 142.6MB. Free memory was 71.8MB in the beginning and 71.7MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:08:17,921 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.47ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 109.4MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.74ms. Allocated memory is still 142.6MB. Free memory was 109.4MB in the beginning and 108.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.39ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.6MB in the end (delta: 703.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.63ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 98.6MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3732.56ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 71.8MB in the end (delta: 26.8MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 142.6MB. Free memory was 71.8MB in the beginning and 71.7MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function (y + ((long) -1 * x)) and consists of 4 locations. One deterministic module has affine ranking function ((((long) 2 * x) + ((long) -2 * z)) + 1) and consists of 3 locations. One nondeterministic module has affine ranking function ((((long) 2 * x) + ((long) -2 * z)) + 1) and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 16 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax176 hnf100 lsp56 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq138 hnf95 smp100 dnf100 smp100 tf109 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 63ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-13 16:08:17,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-13 16:08:18,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-13 16:08:18,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c75282c-dbdd-4221-aa9a-988aff61a3c6/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE