./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 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-dev-84cfde4 [2024-10-12 00:43:42,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:43:42,644 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-12 00:43:42,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:43:42,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:43:42,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:43:42,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:43:42,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:43:42,678 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:43:42,679 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:43:42,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:43:42,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:43:42,680 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:43:42,682 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:43:42,682 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:43:42,682 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:43:42,683 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:43:42,683 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:43:42,683 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:43:42,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:43:42,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:43:42,685 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 00:43:42,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:43:42,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 00:43:42,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:43:42,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:43:42,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:43:42,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:43:42,687 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:43:42,687 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:43:42,687 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 00:43:42,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:43:42,688 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:43:42,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:43:42,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:43:42,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:43:42,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:43:42,689 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:43:42,690 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:43:42,690 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 [2024-10-12 00:43:42,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:43:42,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:43:42,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:43:42,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:43:42,971 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:43:42,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.c [2024-10-12 00:43:44,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:43:44,607 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:43:44,607 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.c [2024-10-12 00:43:44,614 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/fde1edf45/5480e5cdb43242c4b2560f56623c5528/FLAG04f784c16 [2024-10-12 00:43:45,015 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/fde1edf45/5480e5cdb43242c4b2560f56623c5528 [2024-10-12 00:43:45,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:43:45,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:43:45,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:43:45,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:43:45,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:43:45,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:43:45" (1/1) ... [2024-10-12 00:43:45,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6851b674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:45, skipping insertion in model container [2024-10-12 00:43:45,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:43:45" (1/1) ... [2024-10-12 00:43:45,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:43:45,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:43:45,232 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:43:45,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:43:45,260 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:43:45,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:45 WrapperNode [2024-10-12 00:43:45,261 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:43:45,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:43:45,262 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:43:45,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:43:45,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:45" (1/1) ... [2024-10-12 00:43:45,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:45" (1/1) ... [2024-10-12 00:43:45,293 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-10-12 00:43:45,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:43:45,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:43:45,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:43:45,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:43:45,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:45" (1/1) ... [2024-10-12 00:43:45,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:45" (1/1) ... [2024-10-12 00:43:45,305 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:45" (1/1) ... [2024-10-12 00:43:45,321 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]. [2024-10-12 00:43:45,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:45" (1/1) ... [2024-10-12 00:43:45,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:45" (1/1) ... [2024-10-12 00:43:45,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:45" (1/1) ... [2024-10-12 00:43:45,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:45" (1/1) ... [2024-10-12 00:43:45,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:45" (1/1) ... [2024-10-12 00:43:45,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:45" (1/1) ... [2024-10-12 00:43:45,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:43:45,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:43:45,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:43:45,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:43:45,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:45" (1/1) ... [2024-10-12 00:43:45,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:45,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:45,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:45,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:43:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 00:43:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 00:43:45,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 00:43:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-12 00:43:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 00:43:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 00:43:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 00:43:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-12 00:43:45,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:43:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:43:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 00:43:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 00:43:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-12 00:43:45,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 00:43:45,491 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:43:45,493 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:43:45,666 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-12 00:43:45,667 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:43:45,682 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:43:45,683 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-12 00:43:45,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:43:45 BoogieIcfgContainer [2024-10-12 00:43:45,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:43:45,685 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:43:45,685 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:43:45,689 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:43:45,690 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:43:45,690 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:43:45" (1/3) ... [2024-10-12 00:43:45,691 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a5882ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:43:45, skipping insertion in model container [2024-10-12 00:43:45,691 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:43:45,691 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:43:45" (2/3) ... [2024-10-12 00:43:45,691 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a5882ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:43:45, skipping insertion in model container [2024-10-12 00:43:45,691 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:43:45,691 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:43:45" (3/3) ... [2024-10-12 00:43:45,693 INFO L332 chiAutomizerObserver]: Analyzing ICFG invert_string-3.c [2024-10-12 00:43:45,739 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:43:45,740 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:43:45,740 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:43:45,740 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:43:45,740 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:43:45,740 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:43:45,740 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:43:45,740 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:43:45,744 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) [2024-10-12 00:43:45,756 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2024-10-12 00:43:45,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:43:45,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:43:45,761 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:43:45,762 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:43:45,762 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:43:45,762 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) [2024-10-12 00:43:45,764 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2024-10-12 00:43:45,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:43:45,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:43:45,765 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:43:45,765 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:43:45,772 INFO L745 eck$LassoCheckResult]: Stem: 16#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~post12#1, main_~max~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~i~0#1, main_~j~0#1;main_~max~0#1 := 5;call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~max~0#1 % 4294967296);havoc main_~i~0#1;havoc main_~j~0#1;main_~i~0#1 := 0; 14#L18-3true [2024-10-12 00:43:45,773 INFO L747 eck$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 [2024-10-12 00:43:45,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:45,779 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-12 00:43:45,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:45,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409008189] [2024-10-12 00:43:45,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:45,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:45,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:46,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:46,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:46,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2024-10-12 00:43:46,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:46,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734409872] [2024-10-12 00:43:46,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:46,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:46,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:46,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:46,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:46,049 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2024-10-12 00:43:46,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:46,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143456437] [2024-10-12 00:43:46,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:46,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:46,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:46,122 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:46,569 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:43:46,570 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:43:46,570 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:43:46,570 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:43:46,570 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:43:46,571 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:46,571 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:43:46,571 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:43:46,571 INFO L132 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration1_Lasso [2024-10-12 00:43:46,572 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:43:46,572 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:43:46,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:46,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:46,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:46,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:46,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:46,934 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:46,936 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:46,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:46,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:46,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:46,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:46,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:46,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:46,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:47,306 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:43:47,310 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:43:47,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:47,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:47,316 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:47,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-12 00:43:47,319 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 [2024-10-12 00:43:47,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:47,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:47,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:47,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:47,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:47,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:47,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:47,340 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:47,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:47,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:47,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:47,359 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:47,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-12 00:43:47,365 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 [2024-10-12 00:43:47,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:47,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:47,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:47,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:47,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:47,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:47,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:47,389 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:47,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-12 00:43:47,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:47,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:47,409 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:47,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-12 00:43:47,411 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 [2024-10-12 00:43:47,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:47,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:47,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:47,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:47,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:47,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:47,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:47,429 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:47,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-12 00:43:47,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:47,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:47,446 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:47,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-12 00:43:47,449 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 [2024-10-12 00:43:47,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:47,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:47,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:47,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:47,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:47,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:47,472 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:47,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-12 00:43:47,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:47,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:47,490 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:47,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-12 00:43:47,492 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 [2024-10-12 00:43:47,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:47,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:47,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:47,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:47,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:47,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:47,513 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:47,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-12 00:43:47,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:47,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:47,531 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:47,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-12 00:43:47,533 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 [2024-10-12 00:43:47,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:47,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:47,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:47,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:47,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:47,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:47,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:47,550 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:47,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-12 00:43:47,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:47,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:47,569 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:47,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-12 00:43:47,571 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 [2024-10-12 00:43:47,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:47,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:47,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:47,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:47,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:47,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:47,590 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:47,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-12 00:43:47,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:47,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:47,608 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:47,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-12 00:43:47,611 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 [2024-10-12 00:43:47,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:47,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:47,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:47,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:47,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:47,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:47,641 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:47,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-12 00:43:47,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:47,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:47,659 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:47,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-12 00:43:47,662 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 [2024-10-12 00:43:47,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:47,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:47,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:47,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:47,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:47,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:47,682 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:47,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:47,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:47,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:47,696 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:47,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-12 00:43:47,698 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 [2024-10-12 00:43:47,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:47,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:47,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:47,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:47,712 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:47,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:47,715 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:47,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-12 00:43:47,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:47,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:47,735 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:47,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-12 00:43:47,738 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 [2024-10-12 00:43:47,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:47,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:47,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:47,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:47,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:47,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:47,757 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:47,772 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-12 00:43:47,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:47,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:47,775 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:47,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-12 00:43:47,777 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 [2024-10-12 00:43:47,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:47,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:47,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:47,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:47,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:47,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:47,796 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:47,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-12 00:43:47,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:47,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:47,814 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:47,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-12 00:43:47,830 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 [2024-10-12 00:43:47,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:47,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:47,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:47,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:47,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:47,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:47,875 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:43:47,893 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-10-12 00:43:47,893 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-10-12 00:43:47,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:47,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:47,946 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:47,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-12 00:43:47,955 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:43:47,981 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-12 00:43:47,981 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:43:47,982 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 [] [2024-10-12 00:43:47,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-12 00:43:48,027 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-10-12 00:43:48,034 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#str1~0!offset [2024-10-12 00:43:48,037 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-12 00:43:48,037 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-12 00:43:48,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:43:48,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:43:48,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:43:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:43:48,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:43:48,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:43:48,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:43:48,140 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 [2024-10-12 00:43:48,142 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) [2024-10-12 00:43:48,188 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. [2024-10-12 00:43:48,190 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 [2024-10-12 00:43:48,194 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) [2024-10-12 00:43:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2024-10-12 00:43:48,198 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-12 00:43:48,198 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:43:48,198 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-12 00:43:48,198 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:43:48,199 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-12 00:43:48,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:43:48,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2024-10-12 00:43:48,203 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-12 00:43:48,206 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 15 states and 20 transitions. [2024-10-12 00:43:48,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-10-12 00:43:48,208 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-12 00:43:48,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2024-10-12 00:43:48,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:43:48,209 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-12 00:43:48,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2024-10-12 00:43:48,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-10-12 00:43:48,231 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) [2024-10-12 00:43:48,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2024-10-12 00:43:48,234 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-12 00:43:48,234 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-10-12 00:43:48,234 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:43:48,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2024-10-12 00:43:48,235 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-10-12 00:43:48,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:43:48,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:43:48,235 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-12 00:43:48,235 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:43:48,236 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 [2024-10-12 00:43:48,236 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 [2024-10-12 00:43:48,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:48,236 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2024-10-12 00:43:48,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:48,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267993780] [2024-10-12 00:43:48,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:48,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:43:48,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:43:48,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:43:48,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267993780] [2024-10-12 00:43:48,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267993780] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:43:48,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:43:48,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 00:43:48,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150146404] [2024-10-12 00:43:48,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:43:48,692 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:43:48,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:48,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 1 times [2024-10-12 00:43:48,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:48,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295351772] [2024-10-12 00:43:48,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:48,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:48,698 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:48,702 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:48,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:43:48,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 00:43:48,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 00:43:48,781 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) [2024-10-12 00:43:48,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:43:48,814 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2024-10-12 00:43:48,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2024-10-12 00:43:48,815 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:43:48,815 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 14 states and 16 transitions. [2024-10-12 00:43:48,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-12 00:43:48,816 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-12 00:43:48,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2024-10-12 00:43:48,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:43:48,816 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-10-12 00:43:48,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2024-10-12 00:43:48,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2024-10-12 00:43:48,817 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) [2024-10-12 00:43:48,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2024-10-12 00:43:48,818 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-10-12 00:43:48,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:43:48,819 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-10-12 00:43:48,819 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-12 00:43:48,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2024-10-12 00:43:48,819 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:43:48,819 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:43:48,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:43:48,820 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-12 00:43:48,820 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:43:48,820 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 [2024-10-12 00:43:48,820 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 [2024-10-12 00:43:48,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:48,820 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2024-10-12 00:43:48,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:48,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623709584] [2024-10-12 00:43:48,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:48,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:43:48,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:43:48,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:43:48,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623709584] [2024-10-12 00:43:48,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623709584] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:43:48,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310250967] [2024-10-12 00:43:48,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:48,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:43:48,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:48,948 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:43:48,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-12 00:43:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:43:49,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-12 00:43:49,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:43:49,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:43:49,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:43:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:43:49,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310250967] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:43:49,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:43:49,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 5] total 9 [2024-10-12 00:43:49,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850529871] [2024-10-12 00:43:49,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:43:49,099 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:43:49,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:49,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 2 times [2024-10-12 00:43:49,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:49,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693238655] [2024-10-12 00:43:49,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:49,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:49,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:49,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:49,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:43:49,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-12 00:43:49,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2024-10-12 00:43:49,190 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) [2024-10-12 00:43:49,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:43:49,263 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2024-10-12 00:43:49,264 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2024-10-12 00:43:49,264 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:43:49,266 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 21 transitions. [2024-10-12 00:43:49,266 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-12 00:43:49,266 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-12 00:43:49,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 21 transitions. [2024-10-12 00:43:49,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:43:49,266 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-12 00:43:49,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 21 transitions. [2024-10-12 00:43:49,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-10-12 00:43:49,269 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) [2024-10-12 00:43:49,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-10-12 00:43:49,269 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-12 00:43:49,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 00:43:49,270 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-12 00:43:49,271 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-12 00:43:49,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2024-10-12 00:43:49,271 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:43:49,271 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:43:49,271 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:43:49,272 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2024-10-12 00:43:49,272 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:43:49,272 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 [2024-10-12 00:43:49,272 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 [2024-10-12 00:43:49,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:49,273 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2024-10-12 00:43:49,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:49,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803470187] [2024-10-12 00:43:49,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:49,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:43:49,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-12 00:43:49,554 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:43:49,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:43:49,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803470187] [2024-10-12 00:43:49,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803470187] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:43:49,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395599648] [2024-10-12 00:43:49,555 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-12 00:43:49,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:43:49,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:49,557 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:43:49,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-12 00:43:49,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-12 00:43:49,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 00:43:49,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-12 00:43:49,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:43:49,685 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 [2024-10-12 00:43:49,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-12 00:43:49,693 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 [2024-10-12 00:43:49,857 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:43:49,857 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:43:50,510 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:43:50,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395599648] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:43:50,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:43:50,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 18 [2024-10-12 00:43:50,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953678487] [2024-10-12 00:43:50,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:43:50,512 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:43:50,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:50,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 3 times [2024-10-12 00:43:50,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:50,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413629339] [2024-10-12 00:43:50,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:50,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:50,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:50,526 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:50,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:43:50,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-12 00:43:50,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-10-12 00:43:50,599 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) [2024-10-12 00:43:50,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:43:50,790 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2024-10-12 00:43:50,790 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2024-10-12 00:43:50,791 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:43:50,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 24 transitions. [2024-10-12 00:43:50,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-12 00:43:50,792 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-12 00:43:50,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2024-10-12 00:43:50,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:43:50,792 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 24 transitions. [2024-10-12 00:43:50,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2024-10-12 00:43:50,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2024-10-12 00:43:50,793 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) [2024-10-12 00:43:50,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2024-10-12 00:43:50,794 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-10-12 00:43:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-12 00:43:50,797 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-10-12 00:43:50,798 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-12 00:43:50,798 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 23 transitions. [2024-10-12 00:43:50,798 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:43:50,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:43:50,798 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:43:50,799 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2024-10-12 00:43:50,799 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:43:50,799 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 [2024-10-12 00:43:50,799 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 [2024-10-12 00:43:50,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:50,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 3 times [2024-10-12 00:43:50,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:50,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165673066] [2024-10-12 00:43:50,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:50,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:50,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:50,842 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:50,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:50,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 4 times [2024-10-12 00:43:50,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:50,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623142326] [2024-10-12 00:43:50,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:50,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:50,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:50,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:50,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:50,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1715425495, now seen corresponding path program 1 times [2024-10-12 00:43:50,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:50,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366373759] [2024-10-12 00:43:50,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:50,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:50,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:50,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:53,462 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:43:53,463 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:43:53,463 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:43:53,463 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:43:53,463 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:43:53,463 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:53,463 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:43:53,463 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:43:53,463 INFO L132 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration5_Lasso [2024-10-12 00:43:53,463 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:43:53,463 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:43:53,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:53,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:53,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:53,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:53,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:53,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:53,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:53,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:53,495 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:53,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:53,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:53,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:53,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:43:54,108 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:43:54,109 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:43:54,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,116 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-12 00:43:54,120 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 [2024-10-12 00:43:54,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:54,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:54,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:54,135 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-12 00:43:54,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,152 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-12 00:43:54,155 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 [2024-10-12 00:43:54,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:54,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:54,177 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,195 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-10-12 00:43:54,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,197 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-12 00:43:54,200 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 [2024-10-12 00:43:54,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:54,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:54,219 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-12 00:43:54,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,237 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-12 00:43:54,240 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 [2024-10-12 00:43:54,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:54,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:54,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:54,257 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,275 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-12 00:43:54,278 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 [2024-10-12 00:43:54,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:54,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:54,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:54,296 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-12 00:43:54,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,313 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-12 00:43:54,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:43:54,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:54,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:54,335 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,354 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-12 00:43:54,357 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 [2024-10-12 00:43:54,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:54,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:54,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:54,375 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,393 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-12 00:43:54,395 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 [2024-10-12 00:43:54,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:54,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:54,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:54,413 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-12 00:43:54,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,430 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-12 00:43:54,434 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 [2024-10-12 00:43:54,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:54,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:54,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:54,445 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,457 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-12 00:43:54,459 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 [2024-10-12 00:43:54,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:54,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:54,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:54,471 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,482 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-12 00:43:54,484 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 [2024-10-12 00:43:54,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:54,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:54,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:54,496 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,507 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-12 00:43:54,509 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 [2024-10-12 00:43:54,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:54,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:54,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:54,520 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-12 00:43:54,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,531 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-12 00:43:54,533 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 [2024-10-12 00:43:54,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:54,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:54,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:54,545 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,556 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-12 00:43:54,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:43:54,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:54,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:54,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:54,570 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,597 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-12 00:43:54,599 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 [2024-10-12 00:43:54,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:54,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:54,616 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,630 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-12 00:43:54,631 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 [2024-10-12 00:43:54,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:54,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:54,646 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,658 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-12 00:43:54,659 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 [2024-10-12 00:43:54,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:54,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:54,676 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,689 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-12 00:43:54,690 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 [2024-10-12 00:43:54,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:54,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:54,705 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,718 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-12 00:43:54,720 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 [2024-10-12 00:43:54,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:54,732 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:54,735 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,753 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-12 00:43:54,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:43:54,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:54,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:54,775 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,792 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-12 00:43:54,794 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 [2024-10-12 00:43:54,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:54,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:54,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,821 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-12 00:43:54,823 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 [2024-10-12 00:43:54,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:54,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:54,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:54,835 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,846 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-12 00:43:54,848 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 [2024-10-12 00:43:54,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:54,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:54,862 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,874 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-12 00:43:54,875 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 [2024-10-12 00:43:54,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:54,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:54,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:54,887 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,899 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-12 00:43:54,900 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 [2024-10-12 00:43:54,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:43:54,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:43:54,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:43:54,911 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,923 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-12 00:43:54,925 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 [2024-10-12 00:43:54,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:54,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:54,940 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:54,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,952 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-12 00:43:54,954 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 [2024-10-12 00:43:54,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:54,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:54,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:54,969 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:43:54,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-10-12 00:43:54,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:54,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:54,981 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:54,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-12 00:43:54,983 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 [2024-10-12 00:43:54,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:43:54,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:43:54,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:43:54,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:43:55,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:43:55,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:43:55,006 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:43:55,014 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-10-12 00:43:55,014 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2024-10-12 00:43:55,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:43:55,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:55,016 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:43:55,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-12 00:43:55,019 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:43:55,035 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-12 00:43:55,036 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:43:55,036 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 [] [2024-10-12 00:43:55,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-10-12 00:43:55,080 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-10-12 00:43:55,082 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-12 00:43:55,082 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-12 00:43:55,082 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#str2~0!offset [2024-10-12 00:43:55,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:43:55,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:43:55,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:43:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:43:55,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:43:55,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:43:55,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:43:55,181 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 [2024-10-12 00:43:55,181 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) [2024-10-12 00:43:55,191 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. [2024-10-12 00:43:55,193 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 [2024-10-12 00:43:55,194 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) [2024-10-12 00:43:55,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-10-12 00:43:55,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 14 letters. Loop has 2 letters. [2024-10-12 00:43:55,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:43:55,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 16 letters. Loop has 2 letters. [2024-10-12 00:43:55,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:43:55,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 14 letters. Loop has 4 letters. [2024-10-12 00:43:55,196 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:43:55,196 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2024-10-12 00:43:55,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:43:55,197 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 24 states and 27 transitions. [2024-10-12 00:43:55,197 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-12 00:43:55,197 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-12 00:43:55,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2024-10-12 00:43:55,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:43:55,200 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-10-12 00:43:55,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2024-10-12 00:43:55,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2024-10-12 00:43:55,202 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) [2024-10-12 00:43:55,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-10-12 00:43:55,203 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-10-12 00:43:55,203 INFO L425 stractBuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-10-12 00:43:55,204 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-12 00:43:55,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. [2024-10-12 00:43:55,204 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:43:55,204 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:43:55,204 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:43:55,205 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1] [2024-10-12 00:43:55,205 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-12 00:43:55,205 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 [2024-10-12 00:43:55,206 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 [2024-10-12 00:43:55,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:55,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1715425437, now seen corresponding path program 1 times [2024-10-12 00:43:55,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:55,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710346101] [2024-10-12 00:43:55,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:55,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:43:55,309 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-12 00:43:55,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:43:55,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710346101] [2024-10-12 00:43:55,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710346101] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:43:55,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:43:55,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 00:43:55,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580850297] [2024-10-12 00:43:55,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:43:55,311 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:43:55,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:55,312 INFO L85 PathProgramCache]: Analyzing trace with hash 2102348, now seen corresponding path program 1 times [2024-10-12 00:43:55,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:55,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479247009] [2024-10-12 00:43:55,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:55,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:55,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:55,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:55,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:43:55,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 00:43:55,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 00:43:55,413 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) [2024-10-12 00:43:55,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:43:55,449 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2024-10-12 00:43:55,449 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2024-10-12 00:43:55,450 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:43:55,453 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 27 transitions. [2024-10-12 00:43:55,453 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-12 00:43:55,453 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-12 00:43:55,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2024-10-12 00:43:55,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:43:55,453 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-10-12 00:43:55,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2024-10-12 00:43:55,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2024-10-12 00:43:55,455 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) [2024-10-12 00:43:55,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2024-10-12 00:43:55,455 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2024-10-12 00:43:55,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 00:43:55,459 INFO L425 stractBuchiCegarLoop]: Abstraction has 23 states and 25 transitions. [2024-10-12 00:43:55,459 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-12 00:43:55,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 25 transitions. [2024-10-12 00:43:55,460 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:43:55,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:43:55,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:43:55,460 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 00:43:55,460 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-12 00:43:55,461 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 [2024-10-12 00:43:55,461 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 [2024-10-12 00:43:55,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:55,461 INFO L85 PathProgramCache]: Analyzing trace with hash -743540257, now seen corresponding path program 1 times [2024-10-12 00:43:55,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:55,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565778353] [2024-10-12 00:43:55,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:55,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:43:55,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-10-12 00:43:55,756 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-12 00:43:55,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:43:55,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565778353] [2024-10-12 00:43:55,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565778353] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:43:55,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228555545] [2024-10-12 00:43:55,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:55,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:43:55,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:55,759 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:43:55,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-10-12 00:43:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:43:55,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-12 00:43:55,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:43:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-12 00:43:55,926 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:43:56,179 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-12 00:43:56,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228555545] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:43:56,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:43:56,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-10-12 00:43:56,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095873926] [2024-10-12 00:43:56,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:43:56,181 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:43:56,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:56,183 INFO L85 PathProgramCache]: Analyzing trace with hash 2102348, now seen corresponding path program 2 times [2024-10-12 00:43:56,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:56,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032663161] [2024-10-12 00:43:56,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:56,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:56,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:56,200 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:56,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:43:56,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-12 00:43:56,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-12 00:43:56,284 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) [2024-10-12 00:43:56,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:43:56,393 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2024-10-12 00:43:56,393 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 38 transitions. [2024-10-12 00:43:56,394 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:43:56,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 33 states and 35 transitions. [2024-10-12 00:43:56,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-10-12 00:43:56,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-10-12 00:43:56,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 35 transitions. [2024-10-12 00:43:56,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:43:56,395 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 35 transitions. [2024-10-12 00:43:56,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 35 transitions. [2024-10-12 00:43:56,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2024-10-12 00:43:56,396 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) [2024-10-12 00:43:56,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2024-10-12 00:43:56,397 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 30 transitions. [2024-10-12 00:43:56,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-12 00:43:56,398 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 30 transitions. [2024-10-12 00:43:56,398 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-12 00:43:56,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 30 transitions. [2024-10-12 00:43:56,409 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:43:56,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:43:56,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:43:56,410 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2024-10-12 00:43:56,410 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-12 00:43:56,410 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 [2024-10-12 00:43:56,410 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 [2024-10-12 00:43:56,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:56,413 INFO L85 PathProgramCache]: Analyzing trace with hash -430652763, now seen corresponding path program 2 times [2024-10-12 00:43:56,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:56,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465618467] [2024-10-12 00:43:56,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:56,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:43:56,757 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-12 00:43:56,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:43:56,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465618467] [2024-10-12 00:43:56,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465618467] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:43:56,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792989703] [2024-10-12 00:43:56,758 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-12 00:43:56,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:43:56,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:43:56,759 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:43:56,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-10-12 00:43:56,843 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-12 00:43:56,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 00:43:56,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-12 00:43:56,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:43:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-12 00:43:56,975 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:43:57,114 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-12 00:43:57,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792989703] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:43:57,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:43:57,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2024-10-12 00:43:57,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727057168] [2024-10-12 00:43:57,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:43:57,115 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:43:57,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:57,116 INFO L85 PathProgramCache]: Analyzing trace with hash 2102348, now seen corresponding path program 3 times [2024-10-12 00:43:57,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:57,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844337408] [2024-10-12 00:43:57,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:57,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:57,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:57,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:57,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:43:57,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-12 00:43:57,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-10-12 00:43:57,211 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) [2024-10-12 00:43:57,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:43:57,530 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2024-10-12 00:43:57,530 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 71 transitions. [2024-10-12 00:43:57,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:43:57,532 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 63 states and 66 transitions. [2024-10-12 00:43:57,532 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2024-10-12 00:43:57,532 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2024-10-12 00:43:57,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 66 transitions. [2024-10-12 00:43:57,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-12 00:43:57,532 INFO L218 hiAutomatonCegarLoop]: Abstraction has 63 states and 66 transitions. [2024-10-12 00:43:57,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 66 transitions. [2024-10-12 00:43:57,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 40. [2024-10-12 00:43:57,534 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) [2024-10-12 00:43:57,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2024-10-12 00:43:57,548 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 43 transitions. [2024-10-12 00:43:57,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-12 00:43:57,550 INFO L425 stractBuchiCegarLoop]: Abstraction has 40 states and 43 transitions. [2024-10-12 00:43:57,550 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-12 00:43:57,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 43 transitions. [2024-10-12 00:43:57,551 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-12 00:43:57,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:43:57,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:43:57,552 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1] [2024-10-12 00:43:57,552 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-12 00:43:57,552 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 [2024-10-12 00:43:57,552 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 [2024-10-12 00:43:57,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:57,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1540388377, now seen corresponding path program 3 times [2024-10-12 00:43:57,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:57,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880248473] [2024-10-12 00:43:57,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:57,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:57,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:57,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:57,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:57,632 INFO L85 PathProgramCache]: Analyzing trace with hash 2102348, now seen corresponding path program 4 times [2024-10-12 00:43:57,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:57,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048488860] [2024-10-12 00:43:57,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:57,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:57,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:57,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:43:57,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:43:57,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1945355470, now seen corresponding path program 1 times [2024-10-12 00:43:57,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:43:57,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275474341] [2024-10-12 00:43:57,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:43:57,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:43:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:57,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:43:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:43:57,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:44:03,055 WARN L286 SmtUtils]: Spent 5.25s 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) [2024-10-12 00:44:06,291 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:44:06,291 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:44:06,292 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:44:06,292 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:44:06,292 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:44:06,292 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:06,292 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:44:06,292 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:44:06,292 INFO L132 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration9_Lasso [2024-10-12 00:44:06,292 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:44:06,292 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:44:06,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:06,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:06,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:06,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:06,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:06,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:06,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:06,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:06,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:06,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:06,323 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:06,325 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:06,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:06,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:44:07,102 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:44:07,102 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:44:07,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,104 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-12 00:44:07,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:44:07,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:07,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:07,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:07,117 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-10-12 00:44:07,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,129 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-12 00:44:07,130 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 [2024-10-12 00:44:07,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:07,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:07,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:07,141 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-10-12 00:44:07,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,154 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-12 00:44:07,155 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 [2024-10-12 00:44:07,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:07,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,169 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:07,169 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:07,170 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,181 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-10-12 00:44:07,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,182 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-12 00:44:07,184 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 [2024-10-12 00:44:07,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:07,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:07,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:07,195 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-10-12 00:44:07,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,207 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-12 00:44:07,209 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 [2024-10-12 00:44:07,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:07,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:07,222 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-10-12 00:44:07,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,233 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-12 00:44:07,234 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 [2024-10-12 00:44:07,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:07,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:07,248 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-10-12 00:44:07,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,260 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-12 00:44:07,262 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 [2024-10-12 00:44:07,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:07,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:07,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:07,273 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:07,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,285 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-12 00:44:07,286 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 [2024-10-12 00:44:07,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:07,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:07,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:07,298 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:07,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,309 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-12 00:44:07,310 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 [2024-10-12 00:44:07,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:07,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:07,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:07,321 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-10-12 00:44:07,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,333 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-12 00:44:07,334 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 [2024-10-12 00:44:07,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:07,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:07,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:07,347 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-10-12 00:44:07,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,358 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-12 00:44:07,360 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 [2024-10-12 00:44:07,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:07,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:07,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:07,372 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:07,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,384 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-10-12 00:44:07,385 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 [2024-10-12 00:44:07,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:44:07,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:44:07,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:44:07,397 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-10-12 00:44:07,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,407 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-12 00:44:07,409 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 [2024-10-12 00:44:07,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:07,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:07,422 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:07,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,433 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-10-12 00:44:07,435 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 [2024-10-12 00:44:07,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:07,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:07,453 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:07,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,470 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-10-12 00:44:07,472 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 [2024-10-12 00:44:07,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:07,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:07,486 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-10-12 00:44:07,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,497 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-10-12 00:44:07,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:44:07,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:07,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:07,511 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:07,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,526 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-10-12 00:44:07,528 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 [2024-10-12 00:44:07,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:07,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:07,542 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:44:07,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:07,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,553 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-10-12 00:44:07,556 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 [2024-10-12 00:44:07,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:44:07,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:44:07,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:44:07,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:44:07,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:44:07,572 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:44:07,580 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:44:07,590 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-12 00:44:07,590 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-10-12 00:44:07,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:44:07,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:44:07,591 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:44:07,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-10-12 00:44:07,593 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:44:07,603 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-12 00:44:07,604 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:44:07,604 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_3) = -1*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_3 Supporting invariants [1*ULTIMATE.start_main_~#str1~0#1.offset >= 0] [2024-10-12 00:44:07,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2024-10-12 00:44:07,637 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2024-10-12 00:44:07,639 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-12 00:44:07,639 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-12 00:44:07,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:44:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:44:07,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 00:44:07,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:44:07,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:44:07,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-12 00:44:07,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:44:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:44:07,907 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-10-12 00:44:07,907 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2024-10-12 00:44:07,939 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 6. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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 5 states. [2024-10-12 00:44:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:44:07,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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) [2024-10-12 00:44:07,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-10-12 00:44:07,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 26 letters. Loop has 4 letters. [2024-10-12 00:44:07,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:44:07,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 30 letters. Loop has 4 letters. [2024-10-12 00:44:07,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:44:07,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 26 letters. Loop has 8 letters. [2024-10-12 00:44:07,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:44:07,942 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 48 transitions. [2024-10-12 00:44:07,942 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:44:07,942 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 0 states and 0 transitions. [2024-10-12 00:44:07,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-12 00:44:07,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-12 00:44:07,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-12 00:44:07,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:44:07,942 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:44:07,943 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:44:07,943 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-12 00:44:07,943 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-12 00:44:07,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-12 00:44:07,943 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-12 00:44:07,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-12 00:44:07,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.10 12:44:07 BoogieIcfgContainer [2024-10-12 00:44:07,949 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-12 00:44:07,950 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 00:44:07,950 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 00:44:07,950 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 00:44:07,951 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:43:45" (3/4) ... [2024-10-12 00:44:07,952 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 00:44:07,953 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 00:44:07,954 INFO L158 Benchmark]: Toolchain (without parser) took 22933.82ms. Allocated memory was 157.3MB in the beginning and 255.9MB in the end (delta: 98.6MB). Free memory was 102.1MB in the beginning and 204.8MB in the end (delta: -102.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:44:07,954 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory was 118.0MB in the beginning and 117.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:44:07,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.76ms. Allocated memory is still 157.3MB. Free memory was 101.7MB in the beginning and 90.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-12 00:44:07,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.43ms. Allocated memory is still 157.3MB. Free memory was 90.0MB in the beginning and 88.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:44:07,954 INFO L158 Benchmark]: Boogie Preprocessor took 49.06ms. Allocated memory is still 157.3MB. Free memory was 88.3MB in the beginning and 86.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 00:44:07,955 INFO L158 Benchmark]: RCFGBuilder took 334.90ms. Allocated memory is still 157.3MB. Free memory was 85.8MB in the beginning and 73.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-12 00:44:07,955 INFO L158 Benchmark]: BuchiAutomizer took 22264.70ms. Allocated memory was 157.3MB in the beginning and 255.9MB in the end (delta: 98.6MB). Free memory was 72.8MB in the beginning and 204.8MB in the end (delta: -132.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:44:07,955 INFO L158 Benchmark]: Witness Printer took 3.29ms. Allocated memory is still 255.9MB. Free memory is still 204.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 00:44:07,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory was 118.0MB in the beginning and 117.8MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.76ms. Allocated memory is still 157.3MB. Free memory was 101.7MB in the beginning and 90.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.43ms. Allocated memory is still 157.3MB. Free memory was 90.0MB in the beginning and 88.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.06ms. Allocated memory is still 157.3MB. Free memory was 88.3MB in the beginning and 86.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 334.90ms. Allocated memory is still 157.3MB. Free memory was 85.8MB in the beginning and 73.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 22264.70ms. Allocated memory was 157.3MB in the beginning and 255.9MB in the end (delta: 98.6MB). Free memory was 72.8MB in the beginning and 204.8MB in the end (delta: -132.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.29ms. Allocated memory is still 255.9MB. Free memory is still 204.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: 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: #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 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 22 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 22.2s and 10 iterations. TraceHistogramMax:5. Analysis of lassos took 20.6s. Construction of modules took 0.4s. Büchi inclusion checks took 0.9s. 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, 402 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 400 mSDsluCounter, 180 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 97 mSDsCounter, 146 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 476 IncrementalHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 146 mSolverCounterUnsat, 83 mSDtfsCounter, 476 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! [2024-10-12 00:44:07,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:08,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-10-12 00:44:08,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-12 00:44:08,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-12 00:44:08,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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