./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.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 ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-15 00:40:16,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 00:40:16,217 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-15 00:40:16,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 00:40:16,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 00:40:16,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 00:40:16,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 00:40:16,257 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 00:40:16,258 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 00:40:16,259 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 00:40:16,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 00:40:16,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 00:40:16,261 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 00:40:16,264 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-15 00:40:16,264 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-15 00:40:16,264 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-15 00:40:16,264 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-15 00:40:16,265 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-15 00:40:16,265 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-15 00:40:16,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 00:40:16,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-15 00:40:16,267 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 00:40:16,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 00:40:16,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 00:40:16,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 00:40:16,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-15 00:40:16,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-15 00:40:16,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-15 00:40:16,269 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 00:40:16,269 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-15 00:40:16,269 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 00:40:16,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 00:40:16,270 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-15 00:40:16,270 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 00:40:16,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 00:40:16,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 00:40:16,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-15 00:40:16,272 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-15 00:40:16,272 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-15 00:40:16,272 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 [2024-10-15 00:40:16,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 00:40:16,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 00:40:16,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 00:40:16,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 00:40:16,553 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 00:40:16,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.c [2024-10-15 00:40:18,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 00:40:18,206 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 00:40:18,206 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.c [2024-10-15 00:40:18,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3c410070/dd46ae022acd41e0b9e3b845d64ff184/FLAG95c59cf71 [2024-10-15 00:40:18,224 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3c410070/dd46ae022acd41e0b9e3b845d64ff184 [2024-10-15 00:40:18,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 00:40:18,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-15 00:40:18,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 00:40:18,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 00:40:18,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 00:40:18,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:40:18" (1/1) ... [2024-10-15 00:40:18,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab7e71a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:40:18, skipping insertion in model container [2024-10-15 00:40:18,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:40:18" (1/1) ... [2024-10-15 00:40:18,255 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 00:40:18,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:40:18,418 INFO L200 MainTranslator]: Completed pre-run [2024-10-15 00:40:18,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 00:40:18,457 INFO L204 MainTranslator]: Completed translation [2024-10-15 00:40:18,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:40:18 WrapperNode [2024-10-15 00:40:18,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 00:40:18,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 00:40:18,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 00:40:18,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 00:40:18,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:40:18" (1/1) ... [2024-10-15 00:40:18,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:40:18" (1/1) ... [2024-10-15 00:40:18,504 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-10-15 00:40:18,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 00:40:18,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 00:40:18,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 00:40:18,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 00:40:18,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:40:18" (1/1) ... [2024-10-15 00:40:18,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:40:18" (1/1) ... [2024-10-15 00:40:18,521 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:40:18" (1/1) ... [2024-10-15 00:40:18,540 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 2, 4]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 1, 2]. [2024-10-15 00:40:18,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:40:18" (1/1) ... [2024-10-15 00:40:18,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:40:18" (1/1) ... [2024-10-15 00:40:18,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:40:18" (1/1) ... [2024-10-15 00:40:18,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:40:18" (1/1) ... [2024-10-15 00:40:18,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:40:18" (1/1) ... [2024-10-15 00:40:18,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:40:18" (1/1) ... [2024-10-15 00:40:18,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 00:40:18,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 00:40:18,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 00:40:18,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 00:40:18,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:40:18" (1/1) ... [2024-10-15 00:40:18,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:18,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:18,611 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) [2024-10-15 00:40:18,617 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 [2024-10-15 00:40:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 00:40:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 00:40:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-15 00:40:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-15 00:40:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 00:40:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-15 00:40:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-15 00:40:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-15 00:40:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 00:40:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 00:40:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-15 00:40:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-15 00:40:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-15 00:40:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 00:40:18,738 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 00:40:18,740 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 00:40:18,911 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-15 00:40:18,912 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 00:40:18,927 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 00:40:18,927 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-15 00:40:18,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:40:18 BoogieIcfgContainer [2024-10-15 00:40:18,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 00:40:18,929 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-15 00:40:18,930 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-15 00:40:18,933 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-15 00:40:18,935 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:40:18,935 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 12:40:18" (1/3) ... [2024-10-15 00:40:18,936 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4898a898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:40:18, skipping insertion in model container [2024-10-15 00:40:18,936 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:40:18,936 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:40:18" (2/3) ... [2024-10-15 00:40:18,937 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4898a898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 12:40:18, skipping insertion in model container [2024-10-15 00:40:18,938 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-15 00:40:18,938 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:40:18" (3/3) ... [2024-10-15 00:40:18,939 INFO L332 chiAutomizerObserver]: Analyzing ICFG invert_string-3.c [2024-10-15 00:40:19,060 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-15 00:40:19,060 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-15 00:40:19,061 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-15 00:40:19,061 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-15 00:40:19,061 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-15 00:40:19,061 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-15 00:40:19,061 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-15 00:40:19,062 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-15 00:40:19,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:40:19,081 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2024-10-15 00:40:19,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:40:19,082 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:40:19,087 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-15 00:40:19,087 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:40:19,087 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-15 00:40:19,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:40:19,089 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2024-10-15 00:40:19,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:40:19,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:40:19,093 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-15 00:40:19,093 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:40:19,100 INFO L745 eck$LassoCheckResult]: Stem: 16#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 14#L18-3true [2024-10-15 00:40:19,101 INFO L747 eck$LassoCheckResult]: Loop: 14#L18-3true assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 9#L18-2true main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 14#L18-3true [2024-10-15 00:40:19,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:19,110 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-15 00:40:19,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:19,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557804203] [2024-10-15 00:40:19,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:19,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:19,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:40:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:19,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:40:19,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:19,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2024-10-15 00:40:19,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:19,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819886479] [2024-10-15 00:40:19,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:19,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:19,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:40:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:19,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:40:19,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:19,328 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2024-10-15 00:40:19,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:19,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897151737] [2024-10-15 00:40:19,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:19,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:19,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:40:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:19,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:40:19,873 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:40:19,873 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:40:19,874 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:40:19,874 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:40:19,875 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:40:19,875 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:19,875 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:40:19,875 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:40:19,875 INFO L132 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration1_Lasso [2024-10-15 00:40:19,875 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:40:19,876 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:40:19,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:19,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:19,907 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:19,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:20,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:20,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:20,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:20,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:20,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:20,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:20,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:20,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:20,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:20,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:20,667 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:40:20,671 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:40:20,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:20,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:20,676 INFO L229 MonitoredProcess]: Starting monitored process 2 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) [2024-10-15 00:40:20,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-15 00:40:20,678 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 [2024-10-15 00:40:20,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:20,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:20,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:20,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:20,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:20,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:20,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:20,700 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:20,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-15 00:40:20,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:20,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:20,719 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) [2024-10-15 00:40:20,720 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 [2024-10-15 00:40:20,725 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 [2024-10-15 00:40:20,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:20,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:20,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:20,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:20,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:20,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:20,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:20,744 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:20,761 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 [2024-10-15 00:40:20,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:20,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:20,764 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) [2024-10-15 00:40:20,766 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 [2024-10-15 00:40:20,768 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 [2024-10-15 00:40:20,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:20,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:20,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:20,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:20,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:20,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:20,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:20,786 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:20,803 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 [2024-10-15 00:40:20,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:20,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:20,806 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) [2024-10-15 00:40:20,808 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 [2024-10-15 00:40:20,809 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 [2024-10-15 00:40:20,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:20,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:20,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:20,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:20,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:20,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:20,831 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:20,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-15 00:40:20,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:20,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:20,850 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) [2024-10-15 00:40:20,851 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 [2024-10-15 00:40:20,852 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 [2024-10-15 00:40:20,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:20,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:20,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:20,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:20,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:20,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:20,873 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:20,888 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 [2024-10-15 00:40:20,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:20,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:20,891 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) [2024-10-15 00:40:20,892 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 [2024-10-15 00:40:20,894 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 [2024-10-15 00:40:20,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:20,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:20,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:20,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:20,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:20,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:20,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:20,910 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:20,926 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 [2024-10-15 00:40:20,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:20,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:20,928 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) [2024-10-15 00:40:20,931 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 [2024-10-15 00:40:20,931 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 [2024-10-15 00:40:20,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:20,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:20,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:20,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:20,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:20,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:20,957 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:20,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-15 00:40:20,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:20,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:20,974 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) [2024-10-15 00:40:20,976 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 [2024-10-15 00:40:20,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:40:20,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:20,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:20,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:20,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:20,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:20,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:20,997 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:21,013 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 [2024-10-15 00:40:21,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:21,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:21,017 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) [2024-10-15 00:40:21,018 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 [2024-10-15 00:40:21,020 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 [2024-10-15 00:40:21,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:21,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:21,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:21,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:21,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:21,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:21,044 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:21,059 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 [2024-10-15 00:40:21,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:21,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:21,062 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) [2024-10-15 00:40:21,063 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 [2024-10-15 00:40:21,065 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 [2024-10-15 00:40:21,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:21,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:21,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:21,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:21,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:21,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:21,084 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:21,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:21,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:21,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:21,102 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) [2024-10-15 00:40:21,103 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 [2024-10-15 00:40:21,104 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 [2024-10-15 00:40:21,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:21,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:21,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:21,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:21,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:21,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:21,124 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:21,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:21,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:21,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:21,142 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) [2024-10-15 00:40:21,144 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 [2024-10-15 00:40:21,145 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 [2024-10-15 00:40:21,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:21,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:21,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:21,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:21,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:21,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:21,164 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:21,179 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 [2024-10-15 00:40:21,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:21,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:21,182 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) [2024-10-15 00:40:21,183 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 [2024-10-15 00:40:21,184 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 [2024-10-15 00:40:21,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:21,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:21,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:21,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:21,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:21,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:21,225 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:40:21,245 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-10-15 00:40:21,245 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-10-15 00:40:21,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:21,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:21,257 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) [2024-10-15 00:40:21,267 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:40:21,267 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 [2024-10-15 00:40:21,282 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-15 00:40:21,283 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:40:21,283 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1, ULTIMATE.start_main_~#str1~0#1.offset, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1 - 1*ULTIMATE.start_main_~#str1~0#1.offset - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-10-15 00:40:21,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-15 00:40:21,345 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-10-15 00:40:21,353 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#str1~0!offset [2024-10-15 00:40:21,357 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-15 00:40:21,357 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-15 00:40:21,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:40:21,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:40:21,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:40:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:40:21,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:40:21,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:40:21,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:40:21,470 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-15 00:40:21,472 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:40:21,520 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 47 transitions. Complement of second has 6 states. [2024-10-15 00:40:21,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-15 00:40:21,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:40:21,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2024-10-15 00:40:21,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-15 00:40:21,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:40:21,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-15 00:40:21,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:40:21,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-15 00:40:21,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:40:21,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2024-10-15 00:40:21,535 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-15 00:40:21,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 15 states and 20 transitions. [2024-10-15 00:40:21,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-10-15 00:40:21,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-15 00:40:21,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2024-10-15 00:40:21,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:40:21,540 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-15 00:40:21,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2024-10-15 00:40:21,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-10-15 00:40:21,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 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) [2024-10-15 00:40:21,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2024-10-15 00:40:21,558 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-15 00:40:21,558 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-15 00:40:21,558 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-15 00:40:21,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2024-10-15 00:40:21,558 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-15 00:40:21,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:40:21,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:40:21,559 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-15 00:40:21,559 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:40:21,560 INFO L745 eck$LassoCheckResult]: Stem: 142#$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(18, 2);call #Ultimate.allocInit(12, 3); 130#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 131#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 141#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 140#L26-3 [2024-10-15 00:40:21,560 INFO L747 eck$LassoCheckResult]: Loop: 140#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 139#L26-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 140#L26-3 [2024-10-15 00:40:21,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:21,560 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2024-10-15 00:40:21,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:21,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554903263] [2024-10-15 00:40:21,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:21,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:40:21,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-15 00:40:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:40:22,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:40:22,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554903263] [2024-10-15 00:40:22,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554903263] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:40:22,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:40:22,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-15 00:40:22,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028720389] [2024-10-15 00:40:22,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:40:22,100 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:40:22,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:22,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 1 times [2024-10-15 00:40:22,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:22,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968406140] [2024-10-15 00:40:22,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:22,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:22,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:40:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:22,115 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:40:22,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:40:22,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 00:40:22,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-15 00:40:22,199 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:40:22,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:40:22,238 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2024-10-15 00:40:22,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2024-10-15 00:40:22,239 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-15 00:40:22,240 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 14 states and 16 transitions. [2024-10-15 00:40:22,241 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-15 00:40:22,241 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-15 00:40:22,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2024-10-15 00:40:22,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:40:22,242 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-10-15 00:40:22,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2024-10-15 00:40:22,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2024-10-15 00:40:22,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 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) [2024-10-15 00:40:22,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2024-10-15 00:40:22,245 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-10-15 00:40:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-15 00:40:22,246 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-10-15 00:40:22,246 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-15 00:40:22,246 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2024-10-15 00:40:22,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-15 00:40:22,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:40:22,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:40:22,247 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-15 00:40:22,247 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:40:22,247 INFO L745 eck$LassoCheckResult]: Stem: 176#$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(18, 2);call #Ultimate.allocInit(12, 3); 177#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 174#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 169#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 170#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 175#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 173#L26-3 [2024-10-15 00:40:22,247 INFO L747 eck$LassoCheckResult]: Loop: 173#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 172#L26-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 173#L26-3 [2024-10-15 00:40:22,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:22,248 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2024-10-15 00:40:22,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:22,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227135774] [2024-10-15 00:40:22,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:22,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:40:22,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:40:22,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:40:22,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227135774] [2024-10-15 00:40:22,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227135774] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 00:40:22,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068708972] [2024-10-15 00:40:22,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:22,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 00:40:22,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:22,397 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-15 00:40:22,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-15 00:40:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:40:22,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-15 00:40:22,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:40:22,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:40:22,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 00:40:22,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:40:22,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068708972] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 00:40:22,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 00:40:22,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 9 [2024-10-15 00:40:22,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390546072] [2024-10-15 00:40:22,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 00:40:22,547 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:40:22,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:22,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 2 times [2024-10-15 00:40:22,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:22,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724799854] [2024-10-15 00:40:22,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:22,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:22,554 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:40:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:22,561 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:40:22,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:40:22,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-15 00:40:22,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2024-10-15 00:40:22,649 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. cyclomatic complexity: 5 Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2024-10-15 00:40:22,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:40:22,740 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2024-10-15 00:40:22,740 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2024-10-15 00:40:22,741 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-15 00:40:22,741 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 21 transitions. [2024-10-15 00:40:22,741 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-15 00:40:22,741 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-15 00:40:22,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 21 transitions. [2024-10-15 00:40:22,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:40:22,741 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-15 00:40:22,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 21 transitions. [2024-10-15 00:40:22,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-10-15 00:40:22,744 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) [2024-10-15 00:40:22,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-10-15 00:40:22,744 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-15 00:40:22,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-15 00:40:22,746 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-15 00:40:22,747 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-15 00:40:22,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2024-10-15 00:40:22,748 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-15 00:40:22,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:40:22,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:40:22,749 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2024-10-15 00:40:22,749 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:40:22,749 INFO L745 eck$LassoCheckResult]: Stem: 253#$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(18, 2);call #Ultimate.allocInit(12, 3); 254#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 250#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 244#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 245#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 251#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 259#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 258#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 257#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 256#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 255#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 252#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 249#L26-3 [2024-10-15 00:40:22,750 INFO L747 eck$LassoCheckResult]: Loop: 249#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 248#L26-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 249#L26-3 [2024-10-15 00:40:22,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:22,750 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2024-10-15 00:40:22,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:22,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007827341] [2024-10-15 00:40:22,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:22,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:40:23,009 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:40:23,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:40:23,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007827341] [2024-10-15 00:40:23,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007827341] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 00:40:23,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044363706] [2024-10-15 00:40:23,010 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-15 00:40:23,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 00:40:23,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:23,012 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-15 00:40:23,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-15 00:40:23,089 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-15 00:40:23,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-15 00:40:23,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-15 00:40:23,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:40:23,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2024-10-15 00:40:23,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-15 00:40:23,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-10-15 00:40:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:40:23,319 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 00:40:23,978 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:40:23,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044363706] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 00:40:23,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 00:40:23,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2024-10-15 00:40:23,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878442410] [2024-10-15 00:40:23,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 00:40:23,983 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:40:23,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:23,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 3 times [2024-10-15 00:40:23,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:23,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906761060] [2024-10-15 00:40:23,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:23,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:23,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:40:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:23,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:40:24,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:40:24,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-15 00:40:24,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-10-15 00:40:24,073 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. cyclomatic complexity: 5 Second operand has 18 states, 18 states have (on average 1.8333333333333333) internal successors, (33), 18 states have internal predecessors, (33), 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) [2024-10-15 00:40:24,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:40:24,270 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2024-10-15 00:40:24,271 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2024-10-15 00:40:24,271 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-15 00:40:24,272 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 24 transitions. [2024-10-15 00:40:24,272 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-15 00:40:24,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-15 00:40:24,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2024-10-15 00:40:24,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:40:24,272 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 24 transitions. [2024-10-15 00:40:24,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2024-10-15 00:40:24,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2024-10-15 00:40:24,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 20 states have internal predecessors, (23), 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) [2024-10-15 00:40:24,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2024-10-15 00:40:24,276 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-10-15 00:40:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-15 00:40:24,277 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-10-15 00:40:24,279 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-15 00:40:24,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 23 transitions. [2024-10-15 00:40:24,279 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-15 00:40:24,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:40:24,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:40:24,280 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2024-10-15 00:40:24,282 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-15 00:40:24,282 INFO L745 eck$LassoCheckResult]: Stem: 382#$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(18, 2);call #Ultimate.allocInit(12, 3); 383#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 378#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 379#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 380#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 372#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 373#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 389#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 388#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 387#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 386#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 385#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 384#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 381#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 377#L26-3 [2024-10-15 00:40:24,282 INFO L747 eck$LassoCheckResult]: Loop: 377#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 376#L26-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 377#L26-3 [2024-10-15 00:40:24,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:24,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 3 times [2024-10-15 00:40:24,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:24,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6726822] [2024-10-15 00:40:24,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:24,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:24,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:40:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:24,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:40:24,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:24,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 4 times [2024-10-15 00:40:24,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:24,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301571404] [2024-10-15 00:40:24,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:24,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:24,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:40:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:24,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:40:24,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:24,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1715425495, now seen corresponding path program 1 times [2024-10-15 00:40:24,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:24,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675335309] [2024-10-15 00:40:24,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:24,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:24,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:40:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:24,393 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:40:26,813 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:40:26,813 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:40:26,813 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:40:26,813 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:40:26,813 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:40:26,814 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:26,814 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:40:26,814 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:40:26,814 INFO L132 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration5_Lasso [2024-10-15 00:40:26,814 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:40:26,814 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:40:26,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:26,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:26,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:26,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:26,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:26,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:26,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:26,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:26,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:26,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:26,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:26,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:26,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:27,412 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:40:27,414 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:40:27,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,418 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) [2024-10-15 00:40:27,420 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 [2024-10-15 00:40:27,421 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 [2024-10-15 00:40:27,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:27,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:27,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:27,436 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:27,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:27,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,453 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) [2024-10-15 00:40:27,454 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 [2024-10-15 00:40:27,456 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 [2024-10-15 00:40:27,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:27,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:27,476 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:27,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:27,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,493 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) [2024-10-15 00:40:27,495 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 [2024-10-15 00:40:27,496 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 [2024-10-15 00:40:27,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:27,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:27,515 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:27,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:27,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,532 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) [2024-10-15 00:40:27,534 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 [2024-10-15 00:40:27,535 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 [2024-10-15 00:40:27,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:27,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:27,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:27,553 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:27,568 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 [2024-10-15 00:40:27,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,570 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) [2024-10-15 00:40:27,572 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 [2024-10-15 00:40:27,573 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 [2024-10-15 00:40:27,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:27,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:27,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:27,589 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:27,604 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 [2024-10-15 00:40:27,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,607 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) [2024-10-15 00:40:27,608 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 [2024-10-15 00:40:27,609 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 [2024-10-15 00:40:27,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:27,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:27,626 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:27,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-15 00:40:27,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,645 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) [2024-10-15 00:40:27,647 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 [2024-10-15 00:40:27,648 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 [2024-10-15 00:40:27,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:27,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,662 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:27,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:27,664 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:27,680 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 [2024-10-15 00:40:27,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,683 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) [2024-10-15 00:40:27,686 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 [2024-10-15 00:40:27,687 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 [2024-10-15 00:40:27,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:27,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:27,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:27,705 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:27,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:27,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,722 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) [2024-10-15 00:40:27,724 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 [2024-10-15 00:40:27,726 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 [2024-10-15 00:40:27,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:27,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:27,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:27,740 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:27,754 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 [2024-10-15 00:40:27,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,757 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) [2024-10-15 00:40:27,758 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 [2024-10-15 00:40:27,759 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 [2024-10-15 00:40:27,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:27,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:27,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:27,776 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:27,790 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 [2024-10-15 00:40:27,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,792 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) [2024-10-15 00:40:27,794 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 [2024-10-15 00:40:27,795 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 [2024-10-15 00:40:27,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:27,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:27,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:27,813 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:27,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:27,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,829 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2024-10-15 00:40:27,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-15 00:40:27,831 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 [2024-10-15 00:40:27,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:27,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:27,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:27,847 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:27,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-15 00:40:27,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,863 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2024-10-15 00:40:27,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-15 00:40:27,866 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 [2024-10-15 00:40:27,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:27,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:27,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:27,884 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:27,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-10-15 00:40:27,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,901 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2024-10-15 00:40:27,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-15 00:40:27,903 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 [2024-10-15 00:40:27,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:27,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:27,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:27,918 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:27,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:27,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,935 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2024-10-15 00:40:27,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-15 00:40:27,939 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 [2024-10-15 00:40:27,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:27,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:27,960 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:27,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:27,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:27,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:27,977 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2024-10-15 00:40:27,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-15 00:40:27,979 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 [2024-10-15 00:40:27,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:27,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:27,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:27,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:27,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:27,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:27,996 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:28,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:28,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:28,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:28,013 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2024-10-15 00:40:28,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-15 00:40:28,015 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 [2024-10-15 00:40:28,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:28,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:28,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:28,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:28,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:28,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:28,033 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:28,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:28,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:28,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:28,050 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2024-10-15 00:40:28,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-15 00:40:28,052 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 [2024-10-15 00:40:28,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:28,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:28,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:28,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:28,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:28,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:28,074 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:28,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-15 00:40:28,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:28,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:28,091 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2024-10-15 00:40:28,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-15 00:40:28,093 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 [2024-10-15 00:40:28,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:28,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:28,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:28,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:28,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:28,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:28,115 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:28,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:28,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:28,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:28,132 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2024-10-15 00:40:28,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-15 00:40:28,134 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 [2024-10-15 00:40:28,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:28,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:28,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:28,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:28,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:28,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:28,148 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:28,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:28,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:28,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:28,160 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2024-10-15 00:40:28,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-15 00:40:28,162 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 [2024-10-15 00:40:28,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:28,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:28,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:28,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:28,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:28,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:28,177 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:28,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:28,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:28,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:28,192 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2024-10-15 00:40:28,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-15 00:40:28,193 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 [2024-10-15 00:40:28,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:28,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:28,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:28,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:28,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:28,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:28,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:28,205 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:28,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-10-15 00:40:28,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:28,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:28,216 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2024-10-15 00:40:28,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-15 00:40:28,218 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 [2024-10-15 00:40:28,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:28,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:28,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:28,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:28,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:28,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:28,233 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:28,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:28,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:28,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:28,245 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2024-10-15 00:40:28,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-15 00:40:28,246 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 [2024-10-15 00:40:28,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:28,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:28,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:28,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:28,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:28,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:28,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:28,261 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:28,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-10-15 00:40:28,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:28,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:28,279 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2024-10-15 00:40:28,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-15 00:40:28,282 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 [2024-10-15 00:40:28,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:28,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:28,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:28,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:28,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:28,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:28,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:28,298 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:28,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-10-15 00:40:28,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:28,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:28,315 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2024-10-15 00:40:28,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-15 00:40:28,316 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 [2024-10-15 00:40:28,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:28,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:28,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:28,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:28,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:28,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:28,333 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:28,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-10-15 00:40:28,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:28,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:28,350 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2024-10-15 00:40:28,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-15 00:40:28,354 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 [2024-10-15 00:40:28,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:28,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:28,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:28,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:28,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:28,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:28,373 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:28,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:28,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:28,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:28,389 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2024-10-15 00:40:28,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-15 00:40:28,390 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 [2024-10-15 00:40:28,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:28,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:28,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:28,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:28,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:28,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:28,411 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:40:28,419 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-10-15 00:40:28,420 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-10-15 00:40:28,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:28,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:28,422 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2024-10-15 00:40:28,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-15 00:40:28,424 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:40:28,439 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-15 00:40:28,439 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:40:28,439 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_2, ULTIMATE.start_main_~#str2~0#1.offset) = -1*ULTIMATE.start_main_~j~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_2 - 1*ULTIMATE.start_main_~#str2~0#1.offset Supporting invariants [] [2024-10-15 00:40:28,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:28,516 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-10-15 00:40:28,518 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-15 00:40:28,520 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-15 00:40:28,520 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#str2~0!offset [2024-10-15 00:40:28,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:28,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:40:28,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:40:28,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:40:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:40:28,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:40:28,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:40:28,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:40:28,603 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-15 00:40:28,603 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:40:28,614 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 29 transitions. Complement of second has 5 states. [2024-10-15 00:40:28,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-15 00:40:28,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:40:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-10-15 00:40:28,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 14 letters. Loop has 2 letters. [2024-10-15 00:40:28,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:40:28,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 16 letters. Loop has 2 letters. [2024-10-15 00:40:28,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:40:28,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 14 letters. Loop has 4 letters. [2024-10-15 00:40:28,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:40:28,621 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2024-10-15 00:40:28,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-15 00:40:28,622 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 24 states and 27 transitions. [2024-10-15 00:40:28,624 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-15 00:40:28,624 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-15 00:40:28,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2024-10-15 00:40:28,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:40:28,624 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-10-15 00:40:28,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2024-10-15 00:40:28,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2024-10-15 00:40:28,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 22 states have internal predecessors, (26), 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) [2024-10-15 00:40:28,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-10-15 00:40:28,626 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-10-15 00:40:28,626 INFO L425 stractBuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-10-15 00:40:28,626 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-15 00:40:28,626 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. [2024-10-15 00:40:28,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-15 00:40:28,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:40:28,627 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:40:28,627 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1] [2024-10-15 00:40:28,628 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-15 00:40:28,629 INFO L745 eck$LassoCheckResult]: Stem: 537#$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(18, 2);call #Ultimate.allocInit(12, 3); 538#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 533#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 527#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 528#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 534#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 545#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 544#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 543#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 542#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 541#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 540#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 539#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 535#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 536#L26-3 assume !(main_~i~0#1 >= 0); 529#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 524#L32-3 [2024-10-15 00:40:28,629 INFO L747 eck$LassoCheckResult]: Loop: 524#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem9#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem10#1 := read~int#1(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem9#1 == main_#t~mem10#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 526#L6 assume !(0 == __VERIFIER_assert_~cond#1); 525#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem9#1;havoc main_#t~mem10#1;main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := main_#t~post11#1 - 1;havoc main_#t~post11#1; 523#L32-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 524#L32-3 [2024-10-15 00:40:28,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:28,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1715425437, now seen corresponding path program 1 times [2024-10-15 00:40:28,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:28,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528974944] [2024-10-15 00:40:28,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:28,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:40:28,732 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-15 00:40:28,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:40:28,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528974944] [2024-10-15 00:40:28,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528974944] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-15 00:40:28,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-15 00:40:28,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-15 00:40:28,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821530505] [2024-10-15 00:40:28,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-15 00:40:28,733 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:40:28,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:28,733 INFO L85 PathProgramCache]: Analyzing trace with hash 2102348, now seen corresponding path program 1 times [2024-10-15 00:40:28,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:28,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421361264] [2024-10-15 00:40:28,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:28,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:28,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:40:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:28,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:40:28,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:40:28,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-15 00:40:28,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-15 00:40:28,832 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-15 00:40:28,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:40:28,869 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2024-10-15 00:40:28,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2024-10-15 00:40:28,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-15 00:40:28,870 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 27 transitions. [2024-10-15 00:40:28,870 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-15 00:40:28,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-15 00:40:28,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2024-10-15 00:40:28,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:40:28,870 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-10-15 00:40:28,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2024-10-15 00:40:28,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2024-10-15 00:40:28,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 22 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) [2024-10-15 00:40:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2024-10-15 00:40:28,875 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2024-10-15 00:40:28,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-15 00:40:28,876 INFO L425 stractBuchiCegarLoop]: Abstraction has 23 states and 25 transitions. [2024-10-15 00:40:28,876 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-15 00:40:28,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 25 transitions. [2024-10-15 00:40:28,876 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-15 00:40:28,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:40:28,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:40:28,877 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-15 00:40:28,877 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-15 00:40:28,877 INFO L745 eck$LassoCheckResult]: Stem: 593#$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(18, 2);call #Ultimate.allocInit(12, 3); 594#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 589#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 583#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 584#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 590#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 601#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 600#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 599#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 598#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 597#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 596#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 595#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 591#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 592#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 585#L26-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 587#L26-3 assume !(main_~i~0#1 >= 0); 588#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 580#L32-3 [2024-10-15 00:40:28,877 INFO L747 eck$LassoCheckResult]: Loop: 580#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem9#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem10#1 := read~int#1(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem9#1 == main_#t~mem10#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 582#L6 assume !(0 == __VERIFIER_assert_~cond#1); 581#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem9#1;havoc main_#t~mem10#1;main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := main_#t~post11#1 - 1;havoc main_#t~post11#1; 579#L32-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 580#L32-3 [2024-10-15 00:40:28,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:28,877 INFO L85 PathProgramCache]: Analyzing trace with hash -743540257, now seen corresponding path program 1 times [2024-10-15 00:40:28,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:28,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578348999] [2024-10-15 00:40:28,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:28,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:40:29,116 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-15 00:40:29,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:40:29,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578348999] [2024-10-15 00:40:29,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578348999] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 00:40:29,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076171108] [2024-10-15 00:40:29,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:29,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 00:40:29,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:29,118 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-15 00:40:29,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-10-15 00:40:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:40:29,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-15 00:40:29,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:40:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-15 00:40:29,298 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 00:40:29,607 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-15 00:40:29,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076171108] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 00:40:29,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 00:40:29,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-10-15 00:40:29,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172641924] [2024-10-15 00:40:29,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 00:40:29,610 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:40:29,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:29,610 INFO L85 PathProgramCache]: Analyzing trace with hash 2102348, now seen corresponding path program 2 times [2024-10-15 00:40:29,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:29,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843285568] [2024-10-15 00:40:29,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:29,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:29,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:40:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:29,627 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:40:29,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:40:29,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-15 00:40:29,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-15 00:40:29,719 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. cyclomatic complexity: 5 Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2024-10-15 00:40:29,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:40:29,837 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2024-10-15 00:40:29,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 38 transitions. [2024-10-15 00:40:29,838 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-15 00:40:29,838 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 33 states and 35 transitions. [2024-10-15 00:40:29,838 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-10-15 00:40:29,838 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-10-15 00:40:29,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 35 transitions. [2024-10-15 00:40:29,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:40:29,839 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 35 transitions. [2024-10-15 00:40:29,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 35 transitions. [2024-10-15 00:40:29,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2024-10-15 00:40:29,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 27 states have internal predecessors, (30), 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) [2024-10-15 00:40:29,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2024-10-15 00:40:29,841 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 30 transitions. [2024-10-15 00:40:29,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-15 00:40:29,841 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 30 transitions. [2024-10-15 00:40:29,842 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-15 00:40:29,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 30 transitions. [2024-10-15 00:40:29,842 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-15 00:40:29,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:40:29,842 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:40:29,843 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2024-10-15 00:40:29,843 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-15 00:40:29,843 INFO L745 eck$LassoCheckResult]: Stem: 778#$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(18, 2);call #Ultimate.allocInit(12, 3); 779#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 774#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 768#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 769#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 775#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 791#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 790#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 789#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 788#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 787#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 785#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 784#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 776#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 777#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 780#L26-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 781#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 782#L26-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 792#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 771#L26-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 772#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 786#L26-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 783#L26-3 assume !(main_~i~0#1 >= 0); 773#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 766#L32-3 [2024-10-15 00:40:29,843 INFO L747 eck$LassoCheckResult]: Loop: 766#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem9#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem10#1 := read~int#1(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem9#1 == main_#t~mem10#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 770#L6 assume !(0 == __VERIFIER_assert_~cond#1); 767#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem9#1;havoc main_#t~mem10#1;main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := main_#t~post11#1 - 1;havoc main_#t~post11#1; 765#L32-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 766#L32-3 [2024-10-15 00:40:29,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:29,844 INFO L85 PathProgramCache]: Analyzing trace with hash -430652763, now seen corresponding path program 2 times [2024-10-15 00:40:29,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:29,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974657527] [2024-10-15 00:40:29,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:29,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:40:30,144 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-15 00:40:30,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-15 00:40:30,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974657527] [2024-10-15 00:40:30,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974657527] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-15 00:40:30,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700863280] [2024-10-15 00:40:30,145 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-15 00:40:30,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-15 00:40:30,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:30,147 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-15 00:40:30,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-10-15 00:40:30,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-15 00:40:30,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-15 00:40:30,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-15 00:40:30,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:40:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-15 00:40:30,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-15 00:40:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-15 00:40:30,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700863280] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-15 00:40:30,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-15 00:40:30,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2024-10-15 00:40:30,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131371996] [2024-10-15 00:40:30,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-15 00:40:30,496 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-15 00:40:30,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:30,496 INFO L85 PathProgramCache]: Analyzing trace with hash 2102348, now seen corresponding path program 3 times [2024-10-15 00:40:30,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:30,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606188243] [2024-10-15 00:40:30,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:30,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:30,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:40:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:30,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:40:30,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-15 00:40:30,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-15 00:40:30,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-10-15 00:40:30,616 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. cyclomatic complexity: 5 Second operand has 22 states, 22 states have (on average 2.0454545454545454) internal successors, (45), 22 states have internal predecessors, (45), 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) [2024-10-15 00:40:30,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-15 00:40:30,976 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2024-10-15 00:40:30,976 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 71 transitions. [2024-10-15 00:40:30,977 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-15 00:40:30,978 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 63 states and 66 transitions. [2024-10-15 00:40:30,978 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2024-10-15 00:40:30,978 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2024-10-15 00:40:30,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 66 transitions. [2024-10-15 00:40:30,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-15 00:40:30,978 INFO L218 hiAutomatonCegarLoop]: Abstraction has 63 states and 66 transitions. [2024-10-15 00:40:30,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 66 transitions. [2024-10-15 00:40:30,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 40. [2024-10-15 00:40:30,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.075) internal successors, (43), 39 states have internal predecessors, (43), 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) [2024-10-15 00:40:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2024-10-15 00:40:30,984 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 43 transitions. [2024-10-15 00:40:30,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-15 00:40:30,985 INFO L425 stractBuchiCegarLoop]: Abstraction has 40 states and 43 transitions. [2024-10-15 00:40:30,985 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-15 00:40:30,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 43 transitions. [2024-10-15 00:40:30,986 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-15 00:40:30,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-15 00:40:30,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-15 00:40:30,986 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1] [2024-10-15 00:40:30,986 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-15 00:40:30,987 INFO L745 eck$LassoCheckResult]: Stem: 1058#$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(18, 2);call #Ultimate.allocInit(12, 3); 1059#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 1053#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 1054#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1055#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 1048#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1049#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 1068#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1067#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 1066#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1065#L18-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);havoc main_#t~nondet4#1;call write~int#2(main_#t~nondet4#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet4#1; 1064#L18-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1063#L18-3 assume !(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296); 1056#L18-4 call write~int#2(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0#1 := 0;main_~i~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296); 1057#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1050#L26-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 1051#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1082#L26-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 1080#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1078#L26-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 1076#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1074#L26-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 1073#L26-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem6#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call write~int#1(main_#t~mem6#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem6#1;main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1069#L26-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := main_#t~post8#1 - 1;havoc main_#t~post8#1; 1062#L26-3 assume !(main_~i~0#1 >= 0); 1052#L26-4 main_~j~0#1 := (if (main_~max~0#1 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0#1 - 1) % 4294967296 % 4294967296 else (main_~max~0#1 - 1) % 4294967296 % 4294967296 - 4294967296);main_~i~0#1 := 0; 1045#L32-3 [2024-10-15 00:40:30,987 INFO L747 eck$LassoCheckResult]: Loop: 1045#L32-3 assume !!(main_~i~0#1 % 4294967296 < main_~max~0#1 % 4294967296);call main_#t~mem9#1 := read~int#2(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem10#1 := read~int#1(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem9#1 == main_#t~mem10#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1047#L6 assume !(0 == __VERIFIER_assert_~cond#1); 1046#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem9#1;havoc main_#t~mem10#1;main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := main_#t~post11#1 - 1;havoc main_#t~post11#1; 1044#L32-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1045#L32-3 [2024-10-15 00:40:30,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:30,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1540388377, now seen corresponding path program 3 times [2024-10-15 00:40:30,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:30,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666096753] [2024-10-15 00:40:30,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:30,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:31,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:40:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:31,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:40:31,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:31,036 INFO L85 PathProgramCache]: Analyzing trace with hash 2102348, now seen corresponding path program 4 times [2024-10-15 00:40:31,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:31,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628551495] [2024-10-15 00:40:31,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:31,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:31,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:40:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:31,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:40:31,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:31,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1945355470, now seen corresponding path program 1 times [2024-10-15 00:40:31,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-15 00:40:31,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266034165] [2024-10-15 00:40:31,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-15 00:40:31,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-15 00:40:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:31,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-15 00:40:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-15 00:40:31,119 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-15 00:40:36,514 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 280 DAG size of output: 209 (called from [L 275] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-10-15 00:40:39,785 INFO L204 LassoAnalysis]: Preferences: [2024-10-15 00:40:39,785 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-15 00:40:39,785 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-15 00:40:39,785 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-15 00:40:39,785 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-15 00:40:39,785 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:39,785 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-15 00:40:39,785 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-15 00:40:39,785 INFO L132 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration9_Lasso [2024-10-15 00:40:39,785 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-15 00:40:39,785 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-15 00:40:39,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:39,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:39,792 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:39,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:39,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:39,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:39,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:39,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:39,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:39,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:39,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:39,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:40,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:40,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-15 00:40:40,678 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-15 00:40:40,679 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-15 00:40:40,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:40,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:40,681 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2024-10-15 00:40:40,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-15 00:40:40,683 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 [2024-10-15 00:40:40,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:40,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:40,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:40,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:40,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:40,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:40,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:40,695 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:40,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-10-15 00:40:40,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:40,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:40,708 INFO L229 MonitoredProcess]: Starting monitored process 50 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) [2024-10-15 00:40:40,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-15 00:40:40,710 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 [2024-10-15 00:40:40,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:40,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:40,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:40,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:40,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:40,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:40,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:40,722 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:40,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-10-15 00:40:40,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:40,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:40,734 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2024-10-15 00:40:40,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-15 00:40:40,736 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 [2024-10-15 00:40:40,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:40,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:40,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:40,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:40,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:40,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:40,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:40,747 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:40,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-10-15 00:40:40,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:40,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:40,759 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2024-10-15 00:40:40,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-15 00:40:40,761 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 [2024-10-15 00:40:40,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:40,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:40,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:40,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:40,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:40,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:40,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:40,773 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:40,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-10-15 00:40:40,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:40,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:40,785 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2024-10-15 00:40:40,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-15 00:40:40,787 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 [2024-10-15 00:40:40,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:40,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:40,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:40,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:40,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:40,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:40,801 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:40,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:40,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:40,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:40,816 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2024-10-15 00:40:40,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-15 00:40:40,817 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 [2024-10-15 00:40:40,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:40,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:40,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:40,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:40,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:40,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:40,830 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:40,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-10-15 00:40:40,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:40,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:40,842 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2024-10-15 00:40:40,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-15 00:40:40,844 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 [2024-10-15 00:40:40,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:40,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:40,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:40,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:40,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:40,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:40,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:40,856 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:40,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:40,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:40,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:40,869 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2024-10-15 00:40:40,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-15 00:40:40,870 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 [2024-10-15 00:40:40,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:40,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:40,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:40,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:40,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:40,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:40,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:40,884 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:40,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-10-15 00:40:40,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:40,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:40,900 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2024-10-15 00:40:40,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-15 00:40:40,902 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 [2024-10-15 00:40:40,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:40,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:40,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:40,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:40,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:40,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:40,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:40,917 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:40,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-10-15 00:40:40,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:40,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:40,934 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2024-10-15 00:40:40,936 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 [2024-10-15 00:40:40,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-15 00:40:40,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:40,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:40,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:40,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:40,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:40,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:40,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:40,953 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:40,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-10-15 00:40:40,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:40,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:40,966 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2024-10-15 00:40:40,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-15 00:40:40,968 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 [2024-10-15 00:40:40,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:40,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:40,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:40,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:40,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:40,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:40,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:40,980 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:40,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-10-15 00:40:40,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:40,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:40,992 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2024-10-15 00:40:40,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-10-15 00:40:40,994 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 [2024-10-15 00:40:41,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:41,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-15 00:40:41,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:41,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:41,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:41,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-15 00:40:41,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-15 00:40:41,005 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:41,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:41,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:41,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:41,017 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2024-10-15 00:40:41,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-15 00:40:41,019 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 [2024-10-15 00:40:41,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:41,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:41,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:41,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:41,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:41,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:41,033 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:41,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-10-15 00:40:41,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:41,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:41,045 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2024-10-15 00:40:41,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-10-15 00:40:41,048 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 [2024-10-15 00:40:41,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:41,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:41,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:41,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:41,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:41,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:41,062 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:41,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-10-15 00:40:41,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:41,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:41,074 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2024-10-15 00:40:41,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-10-15 00:40:41,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-15 00:40:41,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:41,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:41,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:41,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:41,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:41,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:41,090 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:41,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:41,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:41,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:41,103 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2024-10-15 00:40:41,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-10-15 00:40:41,105 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 [2024-10-15 00:40:41,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:41,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:41,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:41,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:41,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:41,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:41,121 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:41,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2024-10-15 00:40:41,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:41,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:41,135 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2024-10-15 00:40:41,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-10-15 00:40:41,137 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 [2024-10-15 00:40:41,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:41,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:41,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:41,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:41,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:41,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:41,152 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:41,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-10-15 00:40:41,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:41,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:41,163 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2024-10-15 00:40:41,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-10-15 00:40:41,165 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 [2024-10-15 00:40:41,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:41,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:41,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:41,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:41,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:41,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:41,184 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-15 00:40:41,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:41,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:41,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:41,197 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2024-10-15 00:40:41,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-10-15 00:40:41,200 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 [2024-10-15 00:40:41,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-15 00:40:41,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-15 00:40:41,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-15 00:40:41,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-15 00:40:41,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-15 00:40:41,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-15 00:40:41,222 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-15 00:40:41,237 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-15 00:40:41,238 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-10-15 00:40:41,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-15 00:40:41,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-15 00:40:41,240 INFO L229 MonitoredProcess]: Starting monitored process 68 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) [2024-10-15 00:40:41,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-10-15 00:40:41,242 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-15 00:40:41,256 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-15 00:40:41,256 INFO L474 LassoAnalysis]: Proved termination. [2024-10-15 00:40:41,256 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~#str1~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_3) = -1*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~#str1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_3 Supporting invariants [] [2024-10-15 00:40:41,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:41,300 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-10-15 00:40:41,301 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#str1~0!offset [2024-10-15 00:40:41,301 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-15 00:40:41,301 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-15 00:40:41,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-15 00:40:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:40:41,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-15 00:40:41,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:40:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-15 00:40:41,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-15 00:40:41,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-15 00:40:41,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-15 00:40:41,410 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-15 00:40:41,410 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2024-10-15 00:40:41,427 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) Result 44 states and 48 transitions. Complement of second has 4 states. [2024-10-15 00:40:41,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-15 00:40:41,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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) [2024-10-15 00:40:41,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2024-10-15 00:40:41,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 26 letters. Loop has 4 letters. [2024-10-15 00:40:41,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:40:41,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 30 letters. Loop has 4 letters. [2024-10-15 00:40:41,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:40:41,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 26 letters. Loop has 8 letters. [2024-10-15 00:40:41,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-15 00:40:41,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 48 transitions. [2024-10-15 00:40:41,430 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:40:41,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 0 states and 0 transitions. [2024-10-15 00:40:41,430 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-15 00:40:41,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-15 00:40:41,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-15 00:40:41,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-15 00:40:41,431 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:40:41,431 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:40:41,431 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-15 00:40:41,431 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-15 00:40:41,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-15 00:40:41,431 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-15 00:40:41,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-15 00:40:41,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 12:40:41 BoogieIcfgContainer [2024-10-15 00:40:41,437 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-15 00:40:41,438 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-15 00:40:41,438 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-15 00:40:41,438 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-15 00:40:41,439 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:40:18" (3/4) ... [2024-10-15 00:40:41,441 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-15 00:40:41,442 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-15 00:40:41,442 INFO L158 Benchmark]: Toolchain (without parser) took 23214.47ms. Allocated memory was 188.7MB in the beginning and 312.5MB in the end (delta: 123.7MB). Free memory was 136.3MB in the beginning and 167.1MB in the end (delta: -30.8MB). Peak memory consumption was 96.1MB. Max. memory is 16.1GB. [2024-10-15 00:40:41,442 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 00:40:41,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.42ms. Allocated memory is still 188.7MB. Free memory was 136.3MB in the beginning and 124.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 00:40:41,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.05ms. Allocated memory is still 188.7MB. Free memory was 124.8MB in the beginning and 123.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:40:41,443 INFO L158 Benchmark]: Boogie Preprocessor took 56.58ms. Allocated memory is still 188.7MB. Free memory was 123.2MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:40:41,443 INFO L158 Benchmark]: RCFGBuilder took 363.37ms. Allocated memory is still 188.7MB. Free memory was 121.1MB in the beginning and 108.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 00:40:41,443 INFO L158 Benchmark]: BuchiAutomizer took 22508.37ms. Allocated memory was 188.7MB in the beginning and 312.5MB in the end (delta: 123.7MB). Free memory was 108.0MB in the beginning and 168.2MB in the end (delta: -60.2MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2024-10-15 00:40:41,444 INFO L158 Benchmark]: Witness Printer took 3.65ms. Allocated memory is still 312.5MB. Free memory was 168.2MB in the beginning and 167.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 00:40:41,445 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.42ms. Allocated memory is still 188.7MB. Free memory was 136.3MB in the beginning and 124.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.05ms. Allocated memory is still 188.7MB. Free memory was 124.8MB in the beginning and 123.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.58ms. Allocated memory is still 188.7MB. Free memory was 123.2MB in the beginning and 121.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.37ms. Allocated memory is still 188.7MB. Free memory was 121.1MB in the beginning and 108.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 22508.37ms. Allocated memory was 188.7MB in the beginning and 312.5MB in the end (delta: 123.7MB). Free memory was 108.0MB in the beginning and 168.2MB in the end (delta: -60.2MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * Witness Printer took 3.65ms. Allocated memory is still 312.5MB. Free memory was 168.2MB in the beginning and 167.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#str1~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#str2~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#str1~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (6 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 3 locations. 6 modules have a trivial ranking function, the largest among these consists of 22 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 22.4s and 10 iterations. TraceHistogramMax:5. Analysis of lassos took 20.9s. Construction of modules took 0.5s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 32 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 391 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 388 mSDsluCounter, 182 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 145 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 473 IncrementalHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 145 mSolverCounterUnsat, 86 mSDtfsCounter, 473 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital233 mio100 ax100 hnf100 lsp92 ukn63 mio100 lsp28 div226 bol100 ite100 ukn100 eq151 hnf93 smp69 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-15 00:40:41,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-10-15 00:40:41,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:41,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2024-10-15 00:40:42,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-15 00:40:42,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-15 00:40:42,473 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