./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/gcd_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/bitvector/gcd_4.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:26:28,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:26:28,353 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:26:28,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:26:28,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:26:28,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:26:28,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:26:28,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:26:28,387 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:26:28,388 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:26:28,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:26:28,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:26:28,389 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:26:28,389 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:26:28,390 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:26:28,390 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:26:28,390 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:26:28,391 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:26:28,391 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:26:28,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:26:28,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:26:28,392 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:26:28,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:26:28,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:26:28,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:26:28,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:26:28,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:26:28,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:26:28,394 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:26:28,394 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:26:28,395 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:26:28,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:26:28,395 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:26:28,395 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:26:28,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:26:28,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:26:28,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:26:28,401 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:26:28,403 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:26:28,404 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef [2024-11-19 14:26:28,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:26:28,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:26:28,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:26:28,702 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:26:28,703 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:26:28,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/gcd_4.c [2024-11-19 14:26:30,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:26:30,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:26:30,453 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/gcd_4.c [2024-11-19 14:26:30,460 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f19b39b7e/c6a64cf4c67f43209e2bef938e350fc0/FLAG0046c48b8 [2024-11-19 14:26:30,475 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f19b39b7e/c6a64cf4c67f43209e2bef938e350fc0 [2024-11-19 14:26:30,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:26:30,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:26:30,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:26:30,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:26:30,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:26:30,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:26:30" (1/1) ... [2024-11-19 14:26:30,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a92368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:30, skipping insertion in model container [2024-11-19 14:26:30,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:26:30" (1/1) ... [2024-11-19 14:26:30,508 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:26:30,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:26:30,690 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:26:30,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:26:30,729 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:26:30,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:30 WrapperNode [2024-11-19 14:26:30,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:26:30,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:26:30,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:26:30,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:26:30,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:30" (1/1) ... [2024-11-19 14:26:30,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:30" (1/1) ... [2024-11-19 14:26:30,795 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 69 [2024-11-19 14:26:30,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:26:30,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:26:30,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:26:30,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:26:30,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:30" (1/1) ... [2024-11-19 14:26:30,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:30" (1/1) ... [2024-11-19 14:26:30,819 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:30" (1/1) ... [2024-11-19 14:26:30,847 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-19 14:26:30,851 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:30" (1/1) ... [2024-11-19 14:26:30,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:30" (1/1) ... [2024-11-19 14:26:30,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:30" (1/1) ... [2024-11-19 14:26:30,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:30" (1/1) ... [2024-11-19 14:26:30,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:30" (1/1) ... [2024-11-19 14:26:30,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:30" (1/1) ... [2024-11-19 14:26:30,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:26:30,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:26:30,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:26:30,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:26:30,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:30" (1/1) ... [2024-11-19 14:26:30,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:30,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:30,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:30,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-19 14:26:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:26:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:26:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 14:26:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:26:30,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:26:31,030 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:26:31,032 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:26:31,145 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-19 14:26:31,145 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:26:31,157 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:26:31,157 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 14:26:31,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:31 BoogieIcfgContainer [2024-11-19 14:26:31,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:26:31,159 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:26:31,159 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:26:31,163 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:26:31,164 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:26:31,164 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:26:30" (1/3) ... [2024-11-19 14:26:31,165 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63bba637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:26:31, skipping insertion in model container [2024-11-19 14:26:31,165 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:26:31,165 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:30" (2/3) ... [2024-11-19 14:26:31,165 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63bba637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:26:31, skipping insertion in model container [2024-11-19 14:26:31,166 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:26:31,166 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:31" (3/3) ... [2024-11-19 14:26:31,167 INFO L332 chiAutomizerObserver]: Analyzing ICFG gcd_4.c [2024-11-19 14:26:31,223 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:26:31,223 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:26:31,223 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:26:31,223 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:26:31,223 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:26:31,223 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:26:31,223 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:26:31,224 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:26:31,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:26:31,240 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:26:31,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:26:31,240 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:26:31,245 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-19 14:26:31,245 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:26:31,246 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:26:31,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:26:31,248 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:26:31,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:26:31,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:26:31,249 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-19 14:26:31,249 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:26:31,256 INFO L745 eck$LassoCheckResult]: Stem: 21#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 17#L22true assume !(gcd_test_~a#1 < 0); 12#L22-2true assume !(gcd_test_~b#1 < 0); 13#L23-1true assume !(0 == gcd_test_~a#1); 5#L30-2true [2024-11-19 14:26:31,257 INFO L747 eck$LassoCheckResult]: Loop: 5#L30-2true assume !!(0 != gcd_test_~b#1); 7#L30true assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 5#L30-2true [2024-11-19 14:26:31,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:31,264 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2024-11-19 14:26:31,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:31,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156429671] [2024-11-19 14:26:31,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:31,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:31,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:31,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:31,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:31,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 1 times [2024-11-19 14:26:31,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:31,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702098637] [2024-11-19 14:26:31,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:31,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:31,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:31,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:31,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:31,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939727, now seen corresponding path program 1 times [2024-11-19 14:26:31,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:31,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070932653] [2024-11-19 14:26:31,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:31,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:31,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:26:31,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070932653] [2024-11-19 14:26:31,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070932653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:26:31,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:26:31,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 14:26:31,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444436184] [2024-11-19 14:26:31,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:26:31,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:26:31,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:26:31,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:26:31,830 INFO L87 Difference]: Start difference. First operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) 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) [2024-11-19 14:26:31,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:26:31,863 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2024-11-19 14:26:31,865 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 24 transitions. [2024-11-19 14:26:31,866 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:26:31,869 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 9 states and 10 transitions. [2024-11-19 14:26:31,870 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-19 14:26:31,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-19 14:26:31,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2024-11-19 14:26:31,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:26:31,872 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-19 14:26:31,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2024-11-19 14:26:31,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-19 14:26:31,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 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) [2024-11-19 14:26:31,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-11-19 14:26:31,898 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-19 14:26:31,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:26:31,903 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-19 14:26:31,903 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:26:31,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-11-19 14:26:31,904 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:26:31,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:26:31,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:26:31,905 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 14:26:31,905 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:26:31,905 INFO L745 eck$LassoCheckResult]: Stem: 63#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 64#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 58#L22 assume !(gcd_test_~a#1 < 0); 59#L22-2 assume !(gcd_test_~b#1 < 0); 65#L23-1 assume !(0 == gcd_test_~a#1); 66#L30-2 assume !!(0 != gcd_test_~b#1); 62#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 60#L30-2 [2024-11-19 14:26:31,905 INFO L747 eck$LassoCheckResult]: Loop: 60#L30-2 assume !!(0 != gcd_test_~b#1); 61#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 60#L30-2 [2024-11-19 14:26:31,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:31,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939725, now seen corresponding path program 1 times [2024-11-19 14:26:31,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:31,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074061267] [2024-11-19 14:26:31,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:31,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:31,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:31,942 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:31,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:31,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 2 times [2024-11-19 14:26:31,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:31,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118662607] [2024-11-19 14:26:31,943 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:26:31,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:31,948 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:26:31,949 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:26:31,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:31,957 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:31,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:31,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1302289042, now seen corresponding path program 1 times [2024-11-19 14:26:31,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:31,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498436065] [2024-11-19 14:26:31,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:31,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:31,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:32,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:32,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:26:32,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498436065] [2024-11-19 14:26:32,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498436065] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:26:32,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348768573] [2024-11-19 14:26:32,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:26:32,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:26:32,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:32,094 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 14:26:32,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 14:26:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:32,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 14:26:32,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:32,286 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 14:26:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:32,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348768573] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 14:26:32,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 14:26:32,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-19 14:26:32,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255592057] [2024-11-19 14:26:32,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 14:26:32,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:26:32,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 14:26:32,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-19 14:26:32,387 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 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) [2024-11-19 14:26:32,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:26:32,423 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2024-11-19 14:26:32,423 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 14 transitions. [2024-11-19 14:26:32,423 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:26:32,424 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 14 transitions. [2024-11-19 14:26:32,424 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-19 14:26:32,424 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-19 14:26:32,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 14 transitions. [2024-11-19 14:26:32,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:26:32,425 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-19 14:26:32,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 14 transitions. [2024-11-19 14:26:32,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-19 14:26:32,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 12 states have internal predecessors, (14), 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) [2024-11-19 14:26:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-19 14:26:32,428 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-19 14:26:32,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 14:26:32,429 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-19 14:26:32,430 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:26:32,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 14 transitions. [2024-11-19 14:26:32,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:26:32,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:26:32,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:26:32,431 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1] [2024-11-19 14:26:32,431 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:26:32,431 INFO L745 eck$LassoCheckResult]: Stem: 146#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 141#L22 assume !(gcd_test_~a#1 < 0); 142#L22-2 assume !(gcd_test_~b#1 < 0); 148#L23-1 assume !(0 == gcd_test_~a#1); 149#L30-2 assume !!(0 != gcd_test_~b#1); 145#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 143#L30-2 assume !!(0 != gcd_test_~b#1); 144#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 153#L30-2 assume !!(0 != gcd_test_~b#1); 152#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 151#L30-2 [2024-11-19 14:26:32,431 INFO L747 eck$LassoCheckResult]: Loop: 151#L30-2 assume !!(0 != gcd_test_~b#1); 150#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 151#L30-2 [2024-11-19 14:26:32,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:32,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1664285203, now seen corresponding path program 2 times [2024-11-19 14:26:32,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:32,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813027661] [2024-11-19 14:26:32,437 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:26:32,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:32,455 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 14:26:32,458 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:26:32,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:32,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:32,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:32,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 3 times [2024-11-19 14:26:32,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:32,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625153153] [2024-11-19 14:26:32,479 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:26:32,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:32,485 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:26:32,485 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:26:32,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:32,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:32,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:32,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1650246872, now seen corresponding path program 2 times [2024-11-19 14:26:32,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:32,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901615114] [2024-11-19 14:26:32,494 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:26:32,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:32,509 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 14:26:32,527 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:26:32,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:32,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:33,001 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:26:33,003 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:26:33,005 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:26:33,005 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:26:33,005 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:26:33,005 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:33,006 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:26:33,006 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:26:33,006 INFO L132 ssoRankerPreferences]: Filename of dumped script: gcd_4.c_Iteration3_Lasso [2024-11-19 14:26:33,006 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:26:33,006 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:26:33,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:33,041 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:33,046 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:33,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:33,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:33,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:33,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:33,174 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:33,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:33,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:33,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:33,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:26:33,489 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:26:33,493 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:26:33,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:33,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:33,496 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:33,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-19 14:26:33,498 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 [2024-11-19 14:26:33,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:33,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:26:33,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:33,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:33,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:33,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:26:33,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:26:33,513 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:33,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-19 14:26:33,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:33,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:33,526 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:33,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-19 14:26:33,529 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 [2024-11-19 14:26:33,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:33,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:26:33,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:33,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:33,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:33,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:26:33,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:26:33,543 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:33,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:33,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:33,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:33,555 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:33,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-19 14:26:33,557 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 [2024-11-19 14:26:33,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:33,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:33,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:33,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:33,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:33,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:33,574 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:33,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:33,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:33,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:33,589 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:33,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-19 14:26:33,591 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 [2024-11-19 14:26:33,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:33,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:33,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:33,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:33,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:33,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:33,607 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:33,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-19 14:26:33,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:33,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:33,626 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:33,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-19 14:26:33,629 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 [2024-11-19 14:26:33,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:33,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:26:33,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:33,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:33,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:33,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:26:33,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:26:33,645 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:33,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-19 14:26:33,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:33,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:33,665 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:33,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-19 14:26:33,668 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 [2024-11-19 14:26:33,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:33,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:33,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:33,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:33,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:33,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:33,692 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:33,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:33,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:33,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:33,711 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:33,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-19 14:26:33,713 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 [2024-11-19 14:26:33,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:33,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:33,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:33,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:33,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:33,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:33,732 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:33,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-19 14:26:33,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:33,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:33,752 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:33,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-19 14:26:33,755 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 [2024-11-19 14:26:33,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:33,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:33,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:33,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:33,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:33,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:33,775 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:33,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-19 14:26:33,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:33,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:33,793 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:33,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-19 14:26:33,796 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 [2024-11-19 14:26:33,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:33,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:33,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:33,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:33,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:33,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:33,815 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:33,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-19 14:26:33,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:33,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:33,834 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:33,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-19 14:26:33,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:26:33,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:33,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:33,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:33,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:33,857 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:33,857 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:33,862 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:33,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-19 14:26:33,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:33,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:33,886 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:33,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-19 14:26:33,897 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 [2024-11-19 14:26:33,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:33,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:33,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:33,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:33,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:33,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:33,953 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:33,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-19 14:26:33,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:33,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:33,978 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:33,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-19 14:26:33,989 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 [2024-11-19 14:26:34,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:34,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:34,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:34,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:34,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:34,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:34,010 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:34,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:34,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:34,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:34,033 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:34,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-19 14:26:34,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:26:34,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:34,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:34,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:34,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:34,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:34,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:34,053 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:34,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:34,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:34,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:34,065 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:34,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-19 14:26:34,067 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 [2024-11-19 14:26:34,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:34,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:34,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:34,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:34,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:34,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:34,084 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:34,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-19 14:26:34,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:34,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:34,102 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:34,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-19 14:26:34,106 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 [2024-11-19 14:26:34,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:34,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:34,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:34,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:34,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:34,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:34,123 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:34,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-19 14:26:34,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:34,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:34,142 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:34,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-19 14:26:34,145 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 [2024-11-19 14:26:34,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:34,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:34,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:34,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:34,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:34,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:34,167 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:34,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-19 14:26:34,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:34,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:34,186 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:34,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-19 14:26:34,189 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 [2024-11-19 14:26:34,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:34,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:34,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:34,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:34,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:34,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:34,208 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:34,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-19 14:26:34,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:34,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:34,226 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:34,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-19 14:26:34,230 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 [2024-11-19 14:26:34,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:34,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:34,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:34,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:34,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:34,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:34,248 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:34,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-19 14:26:34,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:34,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:34,267 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:34,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-19 14:26:34,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:26:34,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:34,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:34,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:34,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:34,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:34,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:34,288 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:34,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-19 14:26:34,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:34,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:34,306 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:34,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-19 14:26:34,308 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 [2024-11-19 14:26:34,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:34,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:34,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:34,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:34,324 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:34,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:34,329 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:34,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-19 14:26:34,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:34,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:34,347 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:34,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-19 14:26:34,350 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 [2024-11-19 14:26:34,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:34,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:34,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:34,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:34,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:34,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:34,368 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:34,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:34,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:34,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:34,385 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:34,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-19 14:26:34,387 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 [2024-11-19 14:26:34,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:34,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:34,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:34,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:34,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:34,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:34,401 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:34,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:34,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:34,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:34,413 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:34,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-19 14:26:34,415 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 [2024-11-19 14:26:34,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:34,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:34,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:34,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:34,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:26:34,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:26:34,430 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:34,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-19 14:26:34,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:34,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:34,444 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:34,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-19 14:26:34,446 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 [2024-11-19 14:26:34,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:34,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:26:34,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:34,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:26:34,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:34,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:26:34,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:26:34,457 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:26:34,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:34,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:34,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:34,469 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:34,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-19 14:26:34,471 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 [2024-11-19 14:26:34,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:26:34,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:26:34,481 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-19 14:26:34,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:26:34,487 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-11-19 14:26:34,487 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-19 14:26:34,504 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:26:34,549 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2024-11-19 14:26:34,549 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-11-19 14:26:34,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:26:34,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:34,553 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:26:34,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-19 14:26:34,558 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:26:34,574 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 4. [2024-11-19 14:26:34,574 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:26:34,575 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_gcd_test_~b#1) = 1*ULTIMATE.start_gcd_test_~b#1 Supporting invariants [1*ULTIMATE.start_gcd_test_~a#1 - 2 >= 0, 1*ULTIMATE.start_gcd_test_~b#1 >= 0] [2024-11-19 14:26:34,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:34,598 INFO L156 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2024-11-19 14:26:34,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:34,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 14:26:34,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:34,788 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 14:26:34,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:34,803 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2024-11-19 14:26:34,805 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-11-19 14:26:34,895 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 15 transitions. Complement of second has 6 states. [2024-11-19 14:26:34,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:26:34,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-11-19 14:26:34,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-19 14:26:34,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 11 letters. Loop has 2 letters. [2024-11-19 14:26:34,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:34,903 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:26:34,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:34,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 14:26:34,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:35,054 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 14:26:35,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:35,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:35,065 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 1 loop predicates [2024-11-19 14:26:35,065 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-11-19 14:26:35,121 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 15 transitions. Complement of second has 6 states. [2024-11-19 14:26:35,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:26:35,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-11-19 14:26:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-19 14:26:35,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 11 letters. Loop has 2 letters. [2024-11-19 14:26:35,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:35,123 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-19 14:26:35,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:35,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 14:26:35,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:26:35,286 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 14:26:35,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:35,298 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2024-11-19 14:26:35,299 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-11-19 14:26:35,417 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 25 transitions. Complement of second has 12 states. [2024-11-19 14:26:35,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2024-11-19 14:26:35,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-11-19 14:26:35,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 20 transitions. [2024-11-19 14:26:35,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 11 letters. Loop has 2 letters. [2024-11-19 14:26:35,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:35,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 13 letters. Loop has 2 letters. [2024-11-19 14:26:35,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:35,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 11 letters. Loop has 4 letters. [2024-11-19 14:26:35,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:26:35,420 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2024-11-19 14:26:35,420 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-19 14:26:35,421 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 23 transitions. [2024-11-19 14:26:35,421 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-11-19 14:26:35,421 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-19 14:26:35,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 23 transitions. [2024-11-19 14:26:35,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:26:35,422 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-11-19 14:26:35,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 23 transitions. [2024-11-19 14:26:35,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2024-11-19 14:26:35,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:26:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2024-11-19 14:26:35,424 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-11-19 14:26:35,424 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-11-19 14:26:35,424 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-19 14:26:35,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2024-11-19 14:26:35,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:26:35,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:26:35,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:26:35,427 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1] [2024-11-19 14:26:35,427 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:26:35,427 INFO L745 eck$LassoCheckResult]: Stem: 405#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 406#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 403#L22 assume !(gcd_test_~a#1 < 0); 404#L22-2 assume !(gcd_test_~b#1 < 0); 407#L23-1 assume !(0 == gcd_test_~a#1); 408#L30-2 assume !!(0 != gcd_test_~b#1); 414#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 413#L30-2 assume !!(0 != gcd_test_~b#1); 412#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 411#L30-2 assume !!(0 != gcd_test_~b#1); 410#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 409#L30-2 assume !!(0 != gcd_test_~b#1); 402#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 398#L30-2 [2024-11-19 14:26:35,428 INFO L747 eck$LassoCheckResult]: Loop: 398#L30-2 assume !!(0 != gcd_test_~b#1); 399#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 398#L30-2 [2024-11-19 14:26:35,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:35,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1650246870, now seen corresponding path program 3 times [2024-11-19 14:26:35,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:35,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114079906] [2024-11-19 14:26:35,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:26:35,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:35,443 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-19 14:26:35,443 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:26:35,554 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:35,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:26:35,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114079906] [2024-11-19 14:26:35,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114079906] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:26:35,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115842416] [2024-11-19 14:26:35,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:26:35,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:26:35,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:35,557 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 14:26:35,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-19 14:26:35,599 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-19 14:26:35,599 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:26:35,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-19 14:26:35,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:35,685 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:35,685 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 14:26:35,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115842416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:26:35,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 14:26:35,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-19 14:26:35,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053889361] [2024-11-19 14:26:35,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:26:35,687 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:26:35,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:35,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 4 times [2024-11-19 14:26:35,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:35,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297997291] [2024-11-19 14:26:35,690 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:26:35,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:35,693 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:26:35,693 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:26:35,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:35,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:35,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:26:35,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 14:26:35,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-19 14:26:35,717 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-11-19 14:26:35,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-19 14:26:35,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:26:35,752 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2024-11-19 14:26:35,752 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2024-11-19 14:26:35,753 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:26:35,753 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 20 transitions. [2024-11-19 14:26:35,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-19 14:26:35,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-19 14:26:35,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 20 transitions. [2024-11-19 14:26:35,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:26:35,754 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-11-19 14:26:35,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 20 transitions. [2024-11-19 14:26:35,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2024-11-19 14:26:35,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 states have internal predecessors, (19), 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) [2024-11-19 14:26:35,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-19 14:26:35,756 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-19 14:26:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 14:26:35,757 INFO L425 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-19 14:26:35,757 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-19 14:26:35,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2024-11-19 14:26:35,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:26:35,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:26:35,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:26:35,759 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 1, 1, 1, 1, 1, 1] [2024-11-19 14:26:35,759 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:26:35,759 INFO L745 eck$LassoCheckResult]: Stem: 490#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 491#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 488#L22 assume !(gcd_test_~a#1 < 0); 489#L22-2 assume !(gcd_test_~b#1 < 0); 492#L23-1 assume !(0 == gcd_test_~a#1); 493#L30-2 assume !!(0 != gcd_test_~b#1); 499#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 498#L30-2 assume !!(0 != gcd_test_~b#1); 497#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 496#L30-2 assume !!(0 != gcd_test_~b#1); 495#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 494#L30-2 assume !!(0 != gcd_test_~b#1); 486#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 485#L30-2 assume !!(0 != gcd_test_~b#1); 487#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 483#L30-2 [2024-11-19 14:26:35,759 INFO L747 eck$LassoCheckResult]: Loop: 483#L30-2 assume !!(0 != gcd_test_~b#1); 484#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 483#L30-2 [2024-11-19 14:26:35,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:35,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1044312667, now seen corresponding path program 3 times [2024-11-19 14:26:35,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:35,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584328372] [2024-11-19 14:26:35,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:26:35,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:35,777 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-19 14:26:35,777 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:26:35,871 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:35,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:26:35,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584328372] [2024-11-19 14:26:35,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584328372] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:26:35,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266656112] [2024-11-19 14:26:35,871 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:26:35,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:26:35,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:35,873 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 14:26:35,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-19 14:26:35,914 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-19 14:26:35,914 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:26:35,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 14:26:35,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:36,011 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 14:26:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:36,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266656112] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 14:26:36,093 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 14:26:36,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2024-11-19 14:26:36,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483397705] [2024-11-19 14:26:36,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 14:26:36,095 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:26:36,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:36,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 5 times [2024-11-19 14:26:36,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:36,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195713494] [2024-11-19 14:26:36,095 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 14:26:36,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:36,100 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:26:36,100 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:26:36,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:36,104 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:36,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:26:36,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 14:26:36,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-11-19 14:26:36,124 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 16 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 16 states have internal predecessors, (41), 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) [2024-11-19 14:26:36,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:26:36,195 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2024-11-19 14:26:36,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2024-11-19 14:26:36,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:26:36,196 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 22 transitions. [2024-11-19 14:26:36,196 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-19 14:26:36,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-19 14:26:36,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2024-11-19 14:26:36,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-19 14:26:36,197 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2024-11-19 14:26:36,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2024-11-19 14:26:36,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2024-11-19 14:26:36,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.105263157894737) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:26:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-11-19 14:26:36,199 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-11-19 14:26:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 14:26:36,200 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-11-19 14:26:36,200 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-19 14:26:36,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2024-11-19 14:26:36,200 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-19 14:26:36,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:26:36,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:26:36,201 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 4, 2, 1, 1, 1, 1, 1] [2024-11-19 14:26:36,201 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:26:36,201 INFO L745 eck$LassoCheckResult]: Stem: 634#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int#1(103, 2, 0, 1);call write~init~int#1(99, 2, 1, 1);call write~init~int#1(100, 2, 2, 1);call write~init~int#1(95, 2, 3, 1);call write~init~int#1(52, 2, 4, 1);call write~init~int#1(46, 2, 5, 1);call write~init~int#1(99, 2, 6, 1);call write~init~int#1(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 635#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 630#L22 assume !(gcd_test_~a#1 < 0); 631#L22-2 assume !(gcd_test_~b#1 < 0); 636#L23-1 assume !(0 == gcd_test_~a#1); 637#L30-2 assume !!(0 != gcd_test_~b#1); 644#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 643#L30-2 assume !!(0 != gcd_test_~b#1); 642#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 641#L30-2 assume !!(0 != gcd_test_~b#1); 640#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 638#L30-2 assume !!(0 != gcd_test_~b#1); 639#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 628#L30-2 assume !!(0 != gcd_test_~b#1); 629#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 633#L30-2 assume !!(0 != gcd_test_~b#1); 632#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 626#L30-2 [2024-11-19 14:26:36,201 INFO L747 eck$LassoCheckResult]: Loop: 626#L30-2 assume !!(0 != gcd_test_~b#1); 627#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 626#L30-2 [2024-11-19 14:26:36,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:36,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1437871456, now seen corresponding path program 4 times [2024-11-19 14:26:36,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:36,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648401470] [2024-11-19 14:26:36,201 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:26:36,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:36,210 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:26:36,210 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:26:36,312 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:36,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:26:36,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648401470] [2024-11-19 14:26:36,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648401470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:26:36,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208181695] [2024-11-19 14:26:36,312 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:26:36,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:26:36,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:26:36,316 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 14:26:36,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-19 14:26:36,363 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:26:36,363 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:26:36,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-19 14:26:36,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:26:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:36,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 14:26:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:26:36,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208181695] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 14:26:36,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 14:26:36,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-11-19 14:26:36,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220889466] [2024-11-19 14:26:36,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 14:26:36,564 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:26:36,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:26:36,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 6 times [2024-11-19 14:26:36,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:26:36,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644290239] [2024-11-19 14:26:36,565 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 14:26:36,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:26:36,569 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 14:26:36,569 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:26:36,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:26:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:26:36,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:26:36,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:26:36,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 14:26:36,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-19 14:26:36,597 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. cyclomatic complexity: 4 Second operand has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 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) [2024-11-19 14:26:36,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:26:36,688 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2024-11-19 14:26:36,688 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 15 transitions. [2024-11-19 14:26:36,688 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:26:36,688 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2024-11-19 14:26:36,689 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-19 14:26:36,689 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-19 14:26:36,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-19 14:26:36,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:26:36,689 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:26:36,689 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:26:36,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 14:26:36,690 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 14:26:36,690 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-19 14:26:36,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-19 14:26:36,690 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-19 14:26:36,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-19 14:26:36,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 02:26:36 BoogieIcfgContainer [2024-11-19 14:26:36,696 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-19 14:26:36,697 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 14:26:36,697 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 14:26:36,697 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 14:26:36,697 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:31" (3/4) ... [2024-11-19 14:26:36,699 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 14:26:36,700 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 14:26:36,700 INFO L158 Benchmark]: Toolchain (without parser) took 6220.83ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 105.3MB in the beginning and 77.5MB in the end (delta: 27.8MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2024-11-19 14:26:36,700 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:26:36,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.29ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 129.1MB in the end (delta: -23.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-19 14:26:36,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.37ms. Allocated memory is still 159.4MB. Free memory was 129.1MB in the beginning and 127.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 14:26:36,701 INFO L158 Benchmark]: Boogie Preprocessor took 69.08ms. Allocated memory is still 159.4MB. Free memory was 127.0MB in the beginning and 125.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:26:36,701 INFO L158 Benchmark]: RCFGBuilder took 287.06ms. Allocated memory is still 159.4MB. Free memory was 124.9MB in the beginning and 113.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-19 14:26:36,701 INFO L158 Benchmark]: BuchiAutomizer took 5537.60ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 113.5MB in the beginning and 78.5MB in the end (delta: 35.0MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. [2024-11-19 14:26:36,701 INFO L158 Benchmark]: Witness Printer took 3.14ms. Allocated memory is still 209.7MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 14:26:36,703 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.29ms. Allocated memory is still 159.4MB. Free memory was 105.3MB in the beginning and 129.1MB in the end (delta: -23.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.37ms. Allocated memory is still 159.4MB. Free memory was 129.1MB in the beginning and 127.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.08ms. Allocated memory is still 159.4MB. Free memory was 127.0MB in the beginning and 125.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 287.06ms. Allocated memory is still 159.4MB. Free memory was 124.9MB in the beginning and 113.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 5537.60ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 113.5MB in the beginning and 78.5MB in the end (delta: 35.0MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. * Witness Printer took 3.14ms. Allocated memory is still 209.7MB. Free memory is still 77.5MB. 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 6 terminating modules (5 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function b and consists of 7 locations. 5 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 7 iterations. TraceHistogramMax:6. Analysis of lassos took 4.2s. Construction of modules took 0.2s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 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 [0, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 221 IncrementalHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 33 mSDtfsCounter, 221 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN3 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital134 mio100 ax100 hnf100 lsp43 ukn44 mio100 lsp76 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf137 smp100 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 105ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-19 14:26:36,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-19 14:26:36,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-19 14:26:37,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-19 14:26:37,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 14:26:37,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE