./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 961e7f6fbd61acd9d4f1771460dcf26fd486b3de35e5e0e3ca8e6e03bda0fabc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:44:58,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:44:58,175 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-10 22:44:58,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:44:58,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:44:58,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.Remove goto edges from RCFG [2024-11-10 22:44:58,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:44:58,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:44:58,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:44:58,206 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:44:58,206 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:44:58,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:44:58,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:44:58,207 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:44:58,208 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-10 22:44:58,208 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-10 22:44:58,208 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-10 22:44:58,208 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-10 22:44:58,209 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-10 22:44:58,209 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-10 22:44:58,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:44:58,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-10 22:44:58,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 22:44:58,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:44:58,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 22:44:58,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:44:58,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-10 22:44:58,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-10 22:44:58,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-10 22:44:58,211 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:44:58,211 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:44:58,212 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 22:44:58,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:44:58,212 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-10 22:44:58,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:44:58,213 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:44:58,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:44:58,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:44:58,213 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:44:58,214 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-10 22:44:58,214 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 961e7f6fbd61acd9d4f1771460dcf26fd486b3de35e5e0e3ca8e6e03bda0fabc [2024-11-10 22:44:58,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:44:58,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:44:58,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:44:58,438 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:44:58,439 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:44:58,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2024-11-10 22:44:59,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:44:59,798 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:44:59,802 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2024-11-10 22:44:59,815 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd5be873/3c47cf77f785477bb42e93b9d5f9d575/FLAG9dc5403e5 [2024-11-10 22:45:00,173 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebd5be873/3c47cf77f785477bb42e93b9d5f9d575 [2024-11-10 22:45:00,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:45:00,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:45:00,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:45:00,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:45:00,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:45:00,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:45:00" (1/1) ... [2024-11-10 22:45:00,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f134da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:00, skipping insertion in model container [2024-11-10 22:45:00,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:45:00" (1/1) ... [2024-11-10 22:45:00,206 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:45:00,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:45:00,489 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:45:00,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:45:00,538 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:45:00,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:00 WrapperNode [2024-11-10 22:45:00,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:45:00,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:45:00,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:45:00,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:45:00,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:00" (1/1) ... [2024-11-10 22:45:00,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:00" (1/1) ... [2024-11-10 22:45:00,568 INFO L138 Inliner]: procedures = 117, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2024-11-10 22:45:00,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:45:00,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:45:00,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:45:00,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:45:00,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:00" (1/1) ... [2024-11-10 22:45:00,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:00" (1/1) ... [2024-11-10 22:45:00,580 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:00" (1/1) ... [2024-11-10 22:45:00,588 INFO L175 MemorySlicer]: Split 5 memory accesses to 1 slices as follows [5]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 3 writes are split as follows [3]. [2024-11-10 22:45:00,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:00" (1/1) ... [2024-11-10 22:45:00,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:00" (1/1) ... [2024-11-10 22:45:00,591 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:00" (1/1) ... [2024-11-10 22:45:00,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:00" (1/1) ... [2024-11-10 22:45:00,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:00" (1/1) ... [2024-11-10 22:45:00,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:00" (1/1) ... [2024-11-10 22:45:00,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:45:00,597 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:45:00,597 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:45:00,597 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:45:00,597 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:00" (1/1) ... [2024-11-10 22:45:00,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:00,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:00,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:00,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-10 22:45:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 22:45:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 22:45:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 22:45:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 22:45:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:45:00,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:45:00,726 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:45:00,728 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:45:00,821 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L539: havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;havoc main_#t~ret12#1;call ULTIMATE.dealloc(main_#t~malloc7#1.base, main_#t~malloc7#1.offset);havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset; [2024-11-10 22:45:00,831 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-10 22:45:00,831 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:45:00,841 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:45:00,841 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:45:00,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:45:00 BoogieIcfgContainer [2024-11-10 22:45:00,842 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:45:00,843 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-10 22:45:00,844 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-10 22:45:00,846 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-10 22:45:00,847 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:45:00,847 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 10:45:00" (1/3) ... [2024-11-10 22:45:00,847 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4379d9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:45:00, skipping insertion in model container [2024-11-10 22:45:00,848 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:45:00,848 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:45:00" (2/3) ... [2024-11-10 22:45:00,848 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4379d9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 10:45:00, skipping insertion in model container [2024-11-10 22:45:00,849 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-10 22:45:00,849 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:45:00" (3/3) ... [2024-11-10 22:45:00,850 INFO L332 chiAutomizerObserver]: Analyzing ICFG strreplace-alloca-2.i [2024-11-10 22:45:00,886 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-10 22:45:00,886 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-10 22:45:00,886 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-10 22:45:00,886 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-10 22:45:00,886 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-10 22:45:00,886 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-10 22:45:00,887 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-10 22:45:00,887 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-10 22:45:00,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:00,901 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-10 22:45:00,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:45:00,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:45:00,907 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-10 22:45:00,907 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 22:45:00,907 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-10 22:45:00,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:00,908 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-10 22:45:00,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:45:00,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:45:00,909 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-10 22:45:00,909 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-10 22:45:00,912 INFO L745 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 14#ULTIMATE.init_returnLabel#1true assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 13#L528true assume !(main_~length1~0#1 < 1); 6#L531true call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 11#L533-1true [2024-11-10 22:45:00,912 INFO L747 eck$LassoCheckResult]: Loop: 11#L533-1true assume true; 2#L533-2true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 11#L533-1true [2024-11-10 22:45:00,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:00,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1722878, now seen corresponding path program 1 times [2024-11-10 22:45:00,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:00,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725471841] [2024-11-10 22:45:00,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:00,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:01,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:01,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:01,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:01,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1600, now seen corresponding path program 1 times [2024-11-10 22:45:01,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:01,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874822383] [2024-11-10 22:45:01,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:01,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:01,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:01,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:01,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:01,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1655686397, now seen corresponding path program 1 times [2024-11-10 22:45:01,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:01,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407504840] [2024-11-10 22:45:01,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:01,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:01,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:01,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:01,296 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:45:01,296 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:45:01,296 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:45:01,296 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:45:01,297 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:45:01,297 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:01,297 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:45:01,297 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:45:01,297 INFO L132 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration1_Lasso [2024-11-10 22:45:01,297 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:45:01,297 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:45:01,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:01,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:01,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:01,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:01,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:01,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:01,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:01,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:01,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:01,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:01,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:01,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:01,668 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:45:01,671 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:45:01,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:01,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:01,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:01,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-10 22:45:01,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:01,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:01,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:01,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:01,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:01,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:01,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:01,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:01,694 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:01,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:01,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:01,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:01,709 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:01,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:01,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-10 22:45:01,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:01,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:01,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:01,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:01,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:45:01,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:45:01,728 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:01,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-10 22:45:01,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:01,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:01,742 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:01,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-10 22:45:01,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:01,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:01,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:01,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:01,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:01,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:01,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:01,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:01,757 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:01,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-10 22:45:01,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:01,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:01,770 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:01,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-10 22:45:01,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:01,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:01,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:01,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:01,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:01,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:01,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:01,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:01,787 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:01,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:01,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:01,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:01,799 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:01,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-10 22:45:01,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:01,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:01,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:01,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:01,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:01,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:45:01,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:45:01,815 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:01,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:01,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:01,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:01,828 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:01,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-10 22:45:01,830 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 [2024-11-10 22:45:01,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:01,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:01,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:01,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:01,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:45:01,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:45:01,863 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:45:01,895 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-10 22:45:01,896 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-11-10 22:45:01,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:01,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:01,918 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:01,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-10 22:45:01,920 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:45:01,931 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-10 22:45:01,931 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:45:01,932 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length1~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length1~0#1 Supporting invariants [] [2024-11-10 22:45:01,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-10 22:45:01,958 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2024-11-10 22:45:01,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:01,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-10 22:45:01,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:02,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 22:45:02,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:02,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:45:02,034 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-10 22:45:02,035 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:02,061 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 37 transitions. Complement of second has 6 states. [2024-11-10 22:45:02,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:45:02,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2024-11-10 22:45:02,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-10 22:45:02,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:02,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2024-11-10 22:45:02,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:02,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 4 letters. Loop has 4 letters. [2024-11-10 22:45:02,071 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:02,071 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 37 transitions. [2024-11-10 22:45:02,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 22:45:02,075 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 13 states and 17 transitions. [2024-11-10 22:45:02,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-10 22:45:02,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-10 22:45:02,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2024-11-10 22:45:02,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:45:02,077 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-11-10 22:45:02,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2024-11-10 22:45:02,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-10 22:45:02,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:02,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2024-11-10 22:45:02,095 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-11-10 22:45:02,095 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-11-10 22:45:02,095 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-10 22:45:02,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2024-11-10 22:45:02,096 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 22:45:02,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:45:02,096 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:45:02,096 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:45:02,096 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:45:02,096 INFO L745 eck$LassoCheckResult]: Stem: 103#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 104#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 101#L528 assume !(main_~length1~0#1 < 1); 102#L531 call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 105#L533-1 assume true; 97#L533-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 98#L533 havoc main_~i~0#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume { :begin_inline_cstrreplace } true;cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset, cstrreplace_#in~old#1, cstrreplace_#in~new#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, (if main_#t~nondet10#1 % 256 <= 127 then main_#t~nondet10#1 % 256 else main_#t~nondet10#1 % 256 - 256), (if main_#t~nondet11#1 % 256 <= 127 then main_#t~nondet11#1 % 256 else main_#t~nondet11#1 % 256 - 256);havoc cstrreplace_#res#1;havoc cstrreplace_#t~mem2#1, cstrreplace_#t~mem3#1, cstrreplace_#t~post4#1, cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset, cstrreplace_~s#1.base, cstrreplace_~s#1.offset, cstrreplace_~old#1, cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, cstrreplace_~numReplaced~0#1;cstrreplace_~s#1.base, cstrreplace_~s#1.offset := cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset;cstrreplace_~old#1 := cstrreplace_#in~old#1;cstrreplace_~new#1 := cstrreplace_#in~new#1;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_~s#1.base, cstrreplace_~s#1.offset;cstrreplace_~numReplaced~0#1 := 0; 106#L517 [2024-11-10 22:45:02,096 INFO L747 eck$LassoCheckResult]: Loop: 106#L517 assume true;call cstrreplace_#t~mem2#1 := read~int#0(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1); 107#L517-1 assume !!(0 != cstrreplace_#t~mem2#1);havoc cstrreplace_#t~mem2#1;call cstrreplace_#t~mem3#1 := read~int#0(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1); 108#L518 assume cstrreplace_#t~mem3#1 == cstrreplace_~old#1;havoc cstrreplace_#t~mem3#1;call write~int#0(cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1);cstrreplace_#t~post4#1 := cstrreplace_~numReplaced~0#1;cstrreplace_~numReplaced~0#1 := 1 + cstrreplace_#t~post4#1;havoc cstrreplace_#t~post4#1; 109#L522 cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset := cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_#t~post5#1.base, 1 + cstrreplace_#t~post5#1.offset;havoc cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset; 106#L517 [2024-11-10 22:45:02,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:02,097 INFO L85 PathProgramCache]: Analyzing trace with hash -213329292, now seen corresponding path program 1 times [2024-11-10 22:45:02,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:02,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472799021] [2024-11-10 22:45:02,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:02,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:02,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:02,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:02,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:02,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1322559, now seen corresponding path program 1 times [2024-11-10 22:45:02,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:02,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789924094] [2024-11-10 22:45:02,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:02,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:02,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:02,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:02,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:02,149 INFO L85 PathProgramCache]: Analyzing trace with hash 364156722, now seen corresponding path program 1 times [2024-11-10 22:45:02,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:02,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022859223] [2024-11-10 22:45:02,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:02,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:02,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:45:02,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:45:02,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022859223] [2024-11-10 22:45:02,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022859223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:45:02,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:45:02,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 22:45:02,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178513748] [2024-11-10 22:45:02,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:45:02,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:45:02,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 22:45:02,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 22:45:02,537 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:02,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 22:45:02,574 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2024-11-10 22:45:02,574 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2024-11-10 22:45:02,590 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 22:45:02,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 14 states and 17 transitions. [2024-11-10 22:45:02,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-10 22:45:02,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-11-10 22:45:02,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2024-11-10 22:45:02,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:45:02,591 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-11-10 22:45:02,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2024-11-10 22:45:02,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2024-11-10 22:45:02,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:02,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2024-11-10 22:45:02,592 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-10 22:45:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 22:45:02,601 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2024-11-10 22:45:02,601 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-10 22:45:02,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2024-11-10 22:45:02,601 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 22:45:02,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:45:02,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:45:02,602 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:45:02,602 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:45:02,602 INFO L745 eck$LassoCheckResult]: Stem: 148#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 149#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 146#L528 assume !(main_~length1~0#1 < 1); 147#L531 call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 153#L533-1 assume true; 144#L533-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 145#L533-1 assume true; 142#L533-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 143#L533 havoc main_~i~0#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume { :begin_inline_cstrreplace } true;cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset, cstrreplace_#in~old#1, cstrreplace_#in~new#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, (if main_#t~nondet10#1 % 256 <= 127 then main_#t~nondet10#1 % 256 else main_#t~nondet10#1 % 256 - 256), (if main_#t~nondet11#1 % 256 <= 127 then main_#t~nondet11#1 % 256 else main_#t~nondet11#1 % 256 - 256);havoc cstrreplace_#res#1;havoc cstrreplace_#t~mem2#1, cstrreplace_#t~mem3#1, cstrreplace_#t~post4#1, cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset, cstrreplace_~s#1.base, cstrreplace_~s#1.offset, cstrreplace_~old#1, cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, cstrreplace_~numReplaced~0#1;cstrreplace_~s#1.base, cstrreplace_~s#1.offset := cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset;cstrreplace_~old#1 := cstrreplace_#in~old#1;cstrreplace_~new#1 := cstrreplace_#in~new#1;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_~s#1.base, cstrreplace_~s#1.offset;cstrreplace_~numReplaced~0#1 := 0; 150#L517 [2024-11-10 22:45:02,602 INFO L747 eck$LassoCheckResult]: Loop: 150#L517 assume true;call cstrreplace_#t~mem2#1 := read~int#0(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1); 151#L517-1 assume !!(0 != cstrreplace_#t~mem2#1);havoc cstrreplace_#t~mem2#1;call cstrreplace_#t~mem3#1 := read~int#0(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1); 152#L518 assume cstrreplace_#t~mem3#1 == cstrreplace_~old#1;havoc cstrreplace_#t~mem3#1;call write~int#0(cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1);cstrreplace_#t~post4#1 := cstrreplace_~numReplaced~0#1;cstrreplace_~numReplaced~0#1 := 1 + cstrreplace_#t~post4#1;havoc cstrreplace_#t~post4#1; 154#L522 cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset := cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_#t~post5#1.base, 1 + cstrreplace_#t~post5#1.offset;havoc cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset; 150#L517 [2024-11-10 22:45:02,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:02,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1149045525, now seen corresponding path program 1 times [2024-11-10 22:45:02,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:02,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649994622] [2024-11-10 22:45:02,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:02,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:02,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:02,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:02,632 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:02,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:02,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1322559, now seen corresponding path program 2 times [2024-11-10 22:45:02,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:02,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379556931] [2024-11-10 22:45:02,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:02,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:02,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:02,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:02,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:02,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1512935251, now seen corresponding path program 1 times [2024-11-10 22:45:02,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:02,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47551639] [2024-11-10 22:45:02,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:02,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:02,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:02,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:03,018 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:45:03,018 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:45:03,018 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:45:03,018 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:45:03,018 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:45:03,018 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:03,018 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:45:03,019 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:45:03,019 INFO L132 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration3_Lasso [2024-11-10 22:45:03,019 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:45:03,019 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:45:03,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,179 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,190 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:03,377 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:45:03,377 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:45:03,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:03,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:03,379 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:03,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-10 22:45:03,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:03,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:03,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:03,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:03,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:03,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:03,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:03,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:03,393 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:03,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:03,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:03,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:03,405 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:03,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-10 22:45:03,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:03,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:03,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:03,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:03,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:03,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:03,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:03,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:03,419 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:03,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-10 22:45:03,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:03,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:03,431 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:03,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-10 22:45:03,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:03,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:03,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:03,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:03,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:03,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:03,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:03,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:03,445 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:03,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:03,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:03,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:03,456 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:03,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-10 22:45:03,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:03,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:03,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:03,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:03,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:03,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:03,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:03,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:03,468 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:03,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:03,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:03,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:03,479 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:03,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-10 22:45:03,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:03,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:03,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:03,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:03,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:03,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:03,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:03,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:03,492 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:03,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:03,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:03,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:03,503 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:03,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-10 22:45:03,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:03,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:03,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:03,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:03,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:03,516 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:45:03,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:45:03,522 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:03,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-10 22:45:03,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:03,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:03,533 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:03,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-10 22:45:03,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:03,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:03,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:03,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:03,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:03,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:45:03,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:45:03,562 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:45:03,579 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-10 22:45:03,579 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-10 22:45:03,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:03,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:03,590 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:03,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-10 22:45:03,592 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:45:03,603 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-10 22:45:03,603 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:45:03,604 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrreplace_~p~0#1.offset) = -2*ULTIMATE.start_cstrreplace_~p~0#1.offset + 3 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_cstrreplace_~p~0#1.base)_1 + 2 >= 0] [2024-11-10 22:45:03,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-10 22:45:03,626 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2024-11-10 22:45:03,628 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-10 22:45:03,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:03,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 22:45:03,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:03,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-10 22:45:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:03,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 22:45:03,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:03,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:45:03,793 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2024-11-10 22:45:03,794 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:03,863 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 35 transitions. Complement of second has 9 states. [2024-11-10 22:45:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2024-11-10 22:45:03,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:03,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 20 transitions. [2024-11-10 22:45:03,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-10 22:45:03,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:03,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 13 letters. Loop has 4 letters. [2024-11-10 22:45:03,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:03,865 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 9 letters. Loop has 8 letters. [2024-11-10 22:45:03,865 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:03,865 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2024-11-10 22:45:03,866 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 22:45:03,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 18 states and 21 transitions. [2024-11-10 22:45:03,867 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-10 22:45:03,868 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-11-10 22:45:03,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2024-11-10 22:45:03,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-10 22:45:03,869 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2024-11-10 22:45:03,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2024-11-10 22:45:03,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2024-11-10 22:45:03,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:03,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2024-11-10 22:45:03,871 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-10 22:45:03,871 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2024-11-10 22:45:03,871 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-10 22:45:03,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2024-11-10 22:45:03,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-10 22:45:03,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-10 22:45:03,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-10 22:45:03,872 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 22:45:03,873 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-10 22:45:03,873 INFO L745 eck$LassoCheckResult]: Stem: 286#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 287#ULTIMATE.init_returnLabel#1 assume true;assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet8#1, main_#t~post9#1, main_~i~0#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 284#L528 assume !(main_~length1~0#1 < 1); 285#L531 call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 289#L533-1 assume true; 282#L533-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 283#L533-1 assume true; 293#L533-2 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet8#1;call write~int#0(main_#t~nondet8#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet8#1;main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 294#L533-1 assume true; 280#L533-2 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 281#L533 havoc main_~i~0#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume { :begin_inline_cstrreplace } true;cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset, cstrreplace_#in~old#1, cstrreplace_#in~new#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, (if main_#t~nondet10#1 % 256 <= 127 then main_#t~nondet10#1 % 256 else main_#t~nondet10#1 % 256 - 256), (if main_#t~nondet11#1 % 256 <= 127 then main_#t~nondet11#1 % 256 else main_#t~nondet11#1 % 256 - 256);havoc cstrreplace_#res#1;havoc cstrreplace_#t~mem2#1, cstrreplace_#t~mem3#1, cstrreplace_#t~post4#1, cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset, cstrreplace_~s#1.base, cstrreplace_~s#1.offset, cstrreplace_~old#1, cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, cstrreplace_~numReplaced~0#1;cstrreplace_~s#1.base, cstrreplace_~s#1.offset := cstrreplace_#in~s#1.base, cstrreplace_#in~s#1.offset;cstrreplace_~old#1 := cstrreplace_#in~old#1;cstrreplace_~new#1 := cstrreplace_#in~new#1;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_~s#1.base, cstrreplace_~s#1.offset;cstrreplace_~numReplaced~0#1 := 0; 288#L517 [2024-11-10 22:45:03,873 INFO L747 eck$LassoCheckResult]: Loop: 288#L517 assume true;call cstrreplace_#t~mem2#1 := read~int#0(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1); 290#L517-1 assume !!(0 != cstrreplace_#t~mem2#1);havoc cstrreplace_#t~mem2#1;call cstrreplace_#t~mem3#1 := read~int#0(cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1); 291#L518 assume cstrreplace_#t~mem3#1 == cstrreplace_~old#1;havoc cstrreplace_#t~mem3#1;call write~int#0(cstrreplace_~new#1, cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset, 1);cstrreplace_#t~post4#1 := cstrreplace_~numReplaced~0#1;cstrreplace_~numReplaced~0#1 := 1 + cstrreplace_#t~post4#1;havoc cstrreplace_#t~post4#1; 292#L522 cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset := cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset;cstrreplace_~p~0#1.base, cstrreplace_~p~0#1.offset := cstrreplace_#t~post5#1.base, 1 + cstrreplace_#t~post5#1.offset;havoc cstrreplace_#t~post5#1.base, cstrreplace_#t~post5#1.offset; 288#L517 [2024-11-10 22:45:03,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:03,873 INFO L85 PathProgramCache]: Analyzing trace with hash 426219382, now seen corresponding path program 2 times [2024-11-10 22:45:03,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:03,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798250467] [2024-11-10 22:45:03,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:03,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:03,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:03,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:03,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:03,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1322559, now seen corresponding path program 3 times [2024-11-10 22:45:03,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:03,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076276188] [2024-11-10 22:45:03,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:03,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:03,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:03,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:03,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:03,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1682506548, now seen corresponding path program 2 times [2024-11-10 22:45:03,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:45:03,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050526149] [2024-11-10 22:45:03,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:45:03,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:45:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:03,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 22:45:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 22:45:03,936 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 22:45:04,302 INFO L204 LassoAnalysis]: Preferences: [2024-11-10 22:45:04,302 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-10 22:45:04,302 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-10 22:45:04,302 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-10 22:45:04,302 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-10 22:45:04,302 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:04,302 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-10 22:45:04,302 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-10 22:45:04,302 INFO L132 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration4_Lasso [2024-11-10 22:45:04,303 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-10 22:45:04,303 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-10 22:45:04,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,325 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-10 22:45:04,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-10 22:45:04,656 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-10 22:45:04,656 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-10 22:45:04,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:04,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:04,660 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:04,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-10 22:45:04,662 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 [2024-11-10 22:45:04,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:04,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:04,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:04,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:04,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:04,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:04,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:04,674 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:04,683 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-10 22:45:04,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:04,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:04,685 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:04,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-10 22:45:04,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:04,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:04,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:04,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:04,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:04,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:45:04,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:45:04,705 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:04,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:04,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:04,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:04,716 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:04,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-10 22:45:04,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:04,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:04,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:04,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:04,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:04,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:04,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:04,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:04,729 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:04,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-10 22:45:04,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:04,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:04,741 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:04,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-10 22:45:04,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:04,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:04,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:04,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:04,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:04,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:04,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:04,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:04,758 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:04,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:04,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:04,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:04,769 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:04,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-10 22:45:04,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:04,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:04,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:04,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:04,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:04,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:04,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:04,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:04,781 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:04,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:04,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:04,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:04,792 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:04,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-10 22:45:04,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:04,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:04,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:04,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:04,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:04,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:45:04,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:45:04,806 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:04,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:04,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:04,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:04,817 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:04,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-10 22:45:04,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:04,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:04,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:04,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:04,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:04,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:04,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:04,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:04,830 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:04,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:04,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:04,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:04,841 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:04,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-10 22:45:04,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:04,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:04,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:04,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:04,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:04,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:04,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:04,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:04,853 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:04,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:04,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:04,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:04,865 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:04,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-10 22:45:04,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:04,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:04,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:04,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:04,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:04,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:04,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:04,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:04,877 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:04,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:04,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:04,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:04,888 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:04,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-10 22:45:04,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:04,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:04,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:04,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:04,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:04,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:04,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:04,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:04,900 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:04,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:04,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:04,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:04,911 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:04,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-10 22:45:04,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:04,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:04,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-10 22:45:04,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:04,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:04,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:04,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-10 22:45:04,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-10 22:45:04,923 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:04,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-10 22:45:04,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:04,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:04,934 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:04,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-10 22:45:04,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:04,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:04,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:04,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:04,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:04,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:45:04,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:45:04,948 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-10 22:45:04,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-10 22:45:04,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:04,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:04,959 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:04,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-10 22:45:04,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-10 22:45:04,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-10 22:45:04,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-10 22:45:04,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-10 22:45:04,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-10 22:45:04,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-10 22:45:04,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-10 22:45:04,980 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-10 22:45:04,995 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-11-10 22:45:04,995 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-10 22:45:04,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-10 22:45:04,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:45:04,997 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-10 22:45:04,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-10 22:45:04,998 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-10 22:45:05,008 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-10 22:45:05,009 INFO L474 LassoAnalysis]: Proved termination. [2024-11-10 22:45:05,009 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7#1.base)_3, ULTIMATE.start_cstrreplace_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7#1.base)_3 - 1*ULTIMATE.start_cstrreplace_~p~0#1.offset Supporting invariants [] [2024-11-10 22:45:05,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-10 22:45:05,027 INFO L156 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2024-11-10 22:45:05,029 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-11-10 22:45:05,029 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-10 22:45:05,029 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-10 22:45:05,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:45:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:05,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 22:45:05,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:45:05,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 22:45:05,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 22:45:05,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:45:05,122 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 [2024-11-10 22:45:05,122 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:05,151 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 18 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 24 transitions. Complement of second has 5 states. [2024-11-10 22:45:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-10 22:45:05,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:45:05,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-10 22:45:05,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 4 letters. [2024-11-10 22:45:05,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:05,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 15 letters. Loop has 4 letters. [2024-11-10 22:45:05,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:05,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 8 letters. [2024-11-10 22:45:05,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-10 22:45:05,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2024-11-10 22:45:05,153 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:45:05,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2024-11-10 22:45:05,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-10 22:45:05,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-10 22:45:05,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-10 22:45:05,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-10 22:45:05,153 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:45:05,154 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:45:05,154 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-10 22:45:05,154 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-10 22:45:05,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-10 22:45:05,154 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-10 22:45:05,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-10 22:45:05,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 10:45:05 BoogieIcfgContainer [2024-11-10 22:45:05,159 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-10 22:45:05,160 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:45:05,160 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:45:05,160 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:45:05,160 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:45:00" (3/4) ... [2024-11-10 22:45:05,162 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 22:45:05,162 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:45:05,163 INFO L158 Benchmark]: Toolchain (without parser) took 4987.25ms. Allocated memory was 161.5MB in the beginning and 209.7MB in the end (delta: 48.2MB). Free memory was 91.8MB in the beginning and 109.8MB in the end (delta: -18.0MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-11-10 22:45:05,163 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 161.5MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:45:05,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.98ms. Allocated memory is still 161.5MB. Free memory was 91.5MB in the beginning and 126.8MB in the end (delta: -35.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-10 22:45:05,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.10ms. Allocated memory is still 161.5MB. Free memory was 126.8MB in the beginning and 124.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:45:05,164 INFO L158 Benchmark]: Boogie Preprocessor took 26.87ms. Allocated memory is still 161.5MB. Free memory was 124.7MB in the beginning and 123.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:45:05,164 INFO L158 Benchmark]: IcfgBuilder took 245.72ms. Allocated memory is still 161.5MB. Free memory was 123.0MB in the beginning and 110.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-10 22:45:05,164 INFO L158 Benchmark]: BuchiAutomizer took 4316.34ms. Allocated memory was 161.5MB in the beginning and 209.7MB in the end (delta: 48.2MB). Free memory was 110.4MB in the beginning and 110.7MB in the end (delta: -287.8kB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2024-11-10 22:45:05,164 INFO L158 Benchmark]: Witness Printer took 2.88ms. Allocated memory is still 209.7MB. Free memory was 110.7MB in the beginning and 109.8MB in the end (delta: 976.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:45:05,165 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 161.5MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.98ms. Allocated memory is still 161.5MB. Free memory was 91.5MB in the beginning and 126.8MB in the end (delta: -35.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.10ms. Allocated memory is still 161.5MB. Free memory was 126.8MB in the beginning and 124.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.87ms. Allocated memory is still 161.5MB. Free memory was 124.7MB in the beginning and 123.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 245.72ms. Allocated memory is still 161.5MB. Free memory was 123.0MB in the beginning and 110.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4316.34ms. Allocated memory was 161.5MB in the beginning and 209.7MB in the end (delta: 48.2MB). Free memory was 110.4MB in the beginning and 110.7MB in the end (delta: -287.8kB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Witness Printer took 2.88ms. Allocated memory is still 209.7MB. Free memory was 110.7MB in the beginning and 109.8MB in the end (delta: 976.7kB). 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: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (length1 + ((long long) -1 * i)) and consists of 4 locations. One deterministic module has affine ranking function null and consists of 7 locations. One deterministic module has affine ranking function null and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 5 iterations. TraceHistogramMax:3. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 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, 44 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 31 mSDtfsCounter, 71 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital138 mio100 ax113 hnf100 lsp97 ukn61 mio100 lsp40 div125 bol100 ite100 ukn100 eq175 hnf90 smp90 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 1 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! [2024-11-10 22:45:05,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-10 22:45:05,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE