./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 337340cdf38da99928295b0c576766fb8f09c8634f9763511165b0f7240edd89 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 17:02:22,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 17:02:22,805 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-13 17:02:22,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 17:02:22,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 17:02:22,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 17:02:22,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 17:02:22,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 17:02:22,839 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 17:02:22,839 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 17:02:22,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 17:02:22,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 17:02:22,840 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 17:02:22,841 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-13 17:02:22,843 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-13 17:02:22,843 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-13 17:02:22,843 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-13 17:02:22,843 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-13 17:02:22,844 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-13 17:02:22,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 17:02:22,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-13 17:02:22,848 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 17:02:22,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 17:02:22,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-13 17:02:22,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-13 17:02:22,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-13 17:02:22,850 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 17:02:22,850 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 17:02:22,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 17:02:22,850 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-13 17:02:22,850 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 17:02:22,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 17:02:22,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 17:02:22,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 17:02:22,851 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 17:02:22,851 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-13 17:02:22,852 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 337340cdf38da99928295b0c576766fb8f09c8634f9763511165b0f7240edd89 [2024-10-13 17:02:23,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 17:02:23,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 17:02:23,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 17:02:23,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 17:02:23,111 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 17:02:23,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i [2024-10-13 17:02:24,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 17:02:24,619 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 17:02:24,619 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i [2024-10-13 17:02:24,629 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a36b6879/d01db84067a84203b1784ca4ec9a52b6/FLAG1c784b5eb [2024-10-13 17:02:24,640 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a36b6879/d01db84067a84203b1784ca4ec9a52b6 [2024-10-13 17:02:24,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 17:02:24,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 17:02:24,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 17:02:24,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 17:02:24,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 17:02:24,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:02:24" (1/1) ... [2024-10-13 17:02:24,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5536bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:24, skipping insertion in model container [2024-10-13 17:02:24,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:02:24" (1/1) ... [2024-10-13 17:02:24,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 17:02:24,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:02:24,939 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 17:02:24,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 17:02:24,995 INFO L204 MainTranslator]: Completed translation [2024-10-13 17:02:24,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:24 WrapperNode [2024-10-13 17:02:24,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 17:02:24,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 17:02:24,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 17:02:24,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 17:02:25,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:24" (1/1) ... [2024-10-13 17:02:25,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:24" (1/1) ... [2024-10-13 17:02:25,031 INFO L138 Inliner]: procedures = 109, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-10-13 17:02:25,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 17:02:25,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 17:02:25,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 17:02:25,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 17:02:25,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:24" (1/1) ... [2024-10-13 17:02:25,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:24" (1/1) ... [2024-10-13 17:02:25,046 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:24" (1/1) ... [2024-10-13 17:02:25,055 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [4, 5]. 56 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [2, 2]. [2024-10-13 17:02:25,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:24" (1/1) ... [2024-10-13 17:02:25,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:24" (1/1) ... [2024-10-13 17:02:25,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:24" (1/1) ... [2024-10-13 17:02:25,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:24" (1/1) ... [2024-10-13 17:02:25,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:24" (1/1) ... [2024-10-13 17:02:25,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:24" (1/1) ... [2024-10-13 17:02:25,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 17:02:25,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 17:02:25,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 17:02:25,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 17:02:25,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:24" (1/1) ... [2024-10-13 17:02:25,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:25,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:25,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:02:25,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-13 17:02:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 17:02:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 17:02:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 17:02:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 17:02:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 17:02:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 17:02:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 17:02:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 17:02:25,244 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 17:02:25,246 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 17:02:25,338 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-10-13 17:02:25,339 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 17:02:25,351 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 17:02:25,351 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 17:02:25,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:02:25 BoogieIcfgContainer [2024-10-13 17:02:25,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 17:02:25,353 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-13 17:02:25,353 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-13 17:02:25,356 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-13 17:02:25,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:02:25,358 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 05:02:24" (1/3) ... [2024-10-13 17:02:25,359 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2449a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:02:25, skipping insertion in model container [2024-10-13 17:02:25,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:02:25,359 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:02:24" (2/3) ... [2024-10-13 17:02:25,359 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2449a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 05:02:25, skipping insertion in model container [2024-10-13 17:02:25,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-13 17:02:25,359 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:02:25" (3/3) ... [2024-10-13 17:02:25,360 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_Continue1-alloca.i [2024-10-13 17:02:25,413 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-13 17:02:25,413 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-13 17:02:25,414 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-13 17:02:25,414 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-13 17:02:25,414 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-13 17:02:25,415 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-13 17:02:25,415 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-13 17:02:25,415 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-13 17:02:25,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2024-10-13 17:02:25,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-13 17:02:25,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:02:25,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:02:25,458 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 17:02:25,461 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-13 17:02:25,462 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-13 17:02:25,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2024-10-13 17:02:25,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-13 17:02:25,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:02:25,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:02:25,463 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-13 17:02:25,463 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-13 17:02:25,470 INFO L745 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem10#1, main_~i~0#1.base, main_~i~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#1(0, main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int#0(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 4#L552-3true [2024-10-13 17:02:25,471 INFO L747 eck$LassoCheckResult]: Loop: 4#L552-3true goto; 3#main_Loop~3#1true call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 9#L552-1true assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 11#L554true assume !(main_#t~mem7#1 <= 10);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#0(main_~c~0#1.base, main_~c~0#1.offset, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int#0(1 + main_#t~post9#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 4#L552-3true [2024-10-13 17:02:25,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:25,476 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-13 17:02:25,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:25,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878554934] [2024-10-13 17:02:25,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:25,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:25,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:02:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:25,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:02:25,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:25,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1109383, now seen corresponding path program 1 times [2024-10-13 17:02:25,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:25,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21969599] [2024-10-13 17:02:25,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:25,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:25,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:02:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:25,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:02:25,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:25,676 INFO L85 PathProgramCache]: Analyzing trace with hash 889536585, now seen corresponding path program 1 times [2024-10-13 17:02:25,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:25,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874970989] [2024-10-13 17:02:25,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:25,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:02:25,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:02:25,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:02:25,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874970989] [2024-10-13 17:02:25,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874970989] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 17:02:25,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 17:02:25,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 17:02:25,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473682546] [2024-10-13 17:02:25,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 17:02:26,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:02:26,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 17:02:26,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 17:02:26,125 INFO L87 Difference]: Start difference. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2024-10-13 17:02:26,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:02:26,147 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2024-10-13 17:02:26,153 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 18 transitions. [2024-10-13 17:02:26,154 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-13 17:02:26,156 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 10 states and 11 transitions. [2024-10-13 17:02:26,157 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-13 17:02:26,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-13 17:02:26,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 11 transitions. [2024-10-13 17:02:26,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:02:26,160 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2024-10-13 17:02:26,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 11 transitions. [2024-10-13 17:02:26,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-10-13 17:02:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 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) [2024-10-13 17:02:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2024-10-13 17:02:26,180 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2024-10-13 17:02:26,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 17:02:26,185 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 11 transitions. [2024-10-13 17:02:26,186 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-13 17:02:26,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 11 transitions. [2024-10-13 17:02:26,186 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-13 17:02:26,186 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:02:26,186 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:02:26,187 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-13 17:02:26,187 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-13 17:02:26,187 INFO L745 eck$LassoCheckResult]: Stem: 41#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 42#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem10#1, main_~i~0#1.base, main_~i~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#1(0, main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int#0(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 40#L552-3 goto; 38#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 39#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 43#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 44#main_Loop~3#1 [2024-10-13 17:02:26,187 INFO L747 eck$LassoCheckResult]: Loop: 44#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 47#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 45#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 44#main_Loop~3#1 [2024-10-13 17:02:26,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:26,187 INFO L85 PathProgramCache]: Analyzing trace with hash 889536583, now seen corresponding path program 1 times [2024-10-13 17:02:26,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:26,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986159878] [2024-10-13 17:02:26,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:26,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:26,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:02:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:26,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:02:26,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:26,215 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 1 times [2024-10-13 17:02:26,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:26,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705944384] [2024-10-13 17:02:26,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:26,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:26,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:02:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:26,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:02:26,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:26,238 INFO L85 PathProgramCache]: Analyzing trace with hash 236134947, now seen corresponding path program 2 times [2024-10-13 17:02:26,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:26,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367371938] [2024-10-13 17:02:26,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:26,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:26,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:02:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:26,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:02:26,587 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:02:26,589 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:02:26,589 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:02:26,589 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:02:26,589 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:02:26,589 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:26,589 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:02:26,590 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:02:26,590 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Continue1-alloca.i_Iteration2_Lasso [2024-10-13 17:02:26,590 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:02:26,590 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:02:26,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:26,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:26,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:26,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:26,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:26,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:26,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:26,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:26,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:26,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:26,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:26,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:27,059 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:02:27,063 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:02:27,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:27,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:27,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:02:27,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-13 17:02:27,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:02:27,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:27,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:27,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:27,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:27,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:02:27,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:02:27,109 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:27,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-13 17:02:27,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:27,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:27,126 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:02:27,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-13 17:02:27,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:02:27,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:27,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:27,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:27,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:27,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:02:27,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:02:27,148 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:27,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-13 17:02:27,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:27,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:27,163 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:02:27,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-13 17:02:27,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:02:27,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:27,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:27,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:27,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:27,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:02:27,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:02:27,190 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:02:27,206 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-13 17:02:27,206 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-10-13 17:02:27,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:27,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:27,228 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:02:27,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-13 17:02:27,233 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:02:27,246 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-13 17:02:27,246 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:02:27,247 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1) = -2*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~i~0#1.base) ULTIMATE.start_main_~i~0#1.offset)_1 + 19 Supporting invariants [] [2024-10-13 17:02:27,261 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 [2024-10-13 17:02:27,291 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2024-10-13 17:02:27,298 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-13 17:02:27,298 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-10-13 17:02:27,299 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~i~0!base,]]] [2024-10-13 17:02:27,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:02:27,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 17:02:27,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:02:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:02:27,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 17:02:27,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:02:27,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 17 [2024-10-13 17:02:27,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:02:27,444 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-13 17:02:27,445 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 11 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:02:27,486 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 11 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 20 transitions. Complement of second has 6 states. [2024-10-13 17:02:27,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 17:02:27,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:02:27,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-10-13 17:02:27,490 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2024-10-13 17:02:27,491 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:02:27,491 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2024-10-13 17:02:27,491 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:02:27,491 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2024-10-13 17:02:27,491 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:02:27,491 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2024-10-13 17:02:27,492 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-13 17:02:27,493 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 20 transitions. [2024-10-13 17:02:27,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-13 17:02:27,493 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-10-13 17:02:27,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2024-10-13 17:02:27,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:02:27,493 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-10-13 17:02:27,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2024-10-13 17:02:27,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2024-10-13 17:02:27,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:02:27,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2024-10-13 17:02:27,495 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-10-13 17:02:27,495 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-10-13 17:02:27,495 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-13 17:02:27,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2024-10-13 17:02:27,495 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-13 17:02:27,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:02:27,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:02:27,496 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2024-10-13 17:02:27,496 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-13 17:02:27,496 INFO L745 eck$LassoCheckResult]: Stem: 160#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 161#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem10#1, main_~i~0#1.base, main_~i~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#1(0, main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int#0(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 162#L552-3 goto; 169#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 168#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 167#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 166#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 155#L552-1 [2024-10-13 17:02:27,496 INFO L747 eck$LassoCheckResult]: Loop: 155#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 163#L554 assume !(main_#t~mem7#1 <= 10);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#0(main_~c~0#1.base, main_~c~0#1.offset, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int#0(1 + main_#t~post9#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 158#L552-3 goto; 154#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 155#L552-1 [2024-10-13 17:02:27,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:27,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1805830304, now seen corresponding path program 3 times [2024-10-13 17:02:27,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:27,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480853926] [2024-10-13 17:02:27,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:27,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:27,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:02:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:27,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:02:27,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:27,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1297543, now seen corresponding path program 2 times [2024-10-13 17:02:27,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:27,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434105428] [2024-10-13 17:02:27,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:27,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:27,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:02:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:27,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:02:27,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:27,548 INFO L85 PathProgramCache]: Analyzing trace with hash -707580506, now seen corresponding path program 1 times [2024-10-13 17:02:27,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:27,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819324198] [2024-10-13 17:02:27,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:27,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:02:27,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:02:27,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:02:27,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819324198] [2024-10-13 17:02:27,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819324198] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:02:27,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053141148] [2024-10-13 17:02:27,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:27,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:02:27,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:27,754 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:02:27,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 17:02:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:02:27,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 17:02:27,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:02:27,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2024-10-13 17:02:27,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2024-10-13 17:02:27,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-10-13 17:02:27,874 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:02:27,875 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:02:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:02:27,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053141148] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:02:27,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:02:27,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-10-13 17:02:27,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182063602] [2024-10-13 17:02:27,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:02:28,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:02:28,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 17:02:28,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-13 17:02:28,003 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:02:28,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:02:28,061 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2024-10-13 17:02:28,061 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 32 transitions. [2024-10-13 17:02:28,062 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-13 17:02:28,062 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 24 states and 26 transitions. [2024-10-13 17:02:28,062 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-13 17:02:28,062 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-13 17:02:28,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 26 transitions. [2024-10-13 17:02:28,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:02:28,063 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 26 transitions. [2024-10-13 17:02:28,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 26 transitions. [2024-10-13 17:02:28,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-10-13 17:02:28,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:02:28,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2024-10-13 17:02:28,066 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 26 transitions. [2024-10-13 17:02:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 17:02:28,068 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 26 transitions. [2024-10-13 17:02:28,068 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-13 17:02:28,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 26 transitions. [2024-10-13 17:02:28,070 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-13 17:02:28,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:02:28,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:02:28,070 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 1, 1, 1] [2024-10-13 17:02:28,071 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-13 17:02:28,071 INFO L745 eck$LassoCheckResult]: Stem: 286#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 287#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem10#1, main_~i~0#1.base, main_~i~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#1(0, main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int#0(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 288#L552-3 goto; 297#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 296#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 292#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 278#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 279#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 291#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 280#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 281#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 301#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 300#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 299#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 298#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 294#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 289#L552-1 [2024-10-13 17:02:28,071 INFO L747 eck$LassoCheckResult]: Loop: 289#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 290#L554 assume !(main_#t~mem7#1 <= 10);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#0(main_~c~0#1.base, main_~c~0#1.offset, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int#0(1 + main_#t~post9#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 282#L552-3 goto; 283#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 289#L552-1 [2024-10-13 17:02:28,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:28,071 INFO L85 PathProgramCache]: Analyzing trace with hash 703087812, now seen corresponding path program 4 times [2024-10-13 17:02:28,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:28,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508919433] [2024-10-13 17:02:28,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:28,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:28,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:02:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:28,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:02:28,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:28,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1297543, now seen corresponding path program 3 times [2024-10-13 17:02:28,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:28,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502842689] [2024-10-13 17:02:28,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:28,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:28,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:02:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:28,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:02:28,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:28,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1091176502, now seen corresponding path program 2 times [2024-10-13 17:02:28,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:28,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863720013] [2024-10-13 17:02:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:28,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:02:28,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-13 17:02:28,463 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:02:28,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 17:02:28,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863720013] [2024-10-13 17:02:28,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863720013] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 17:02:28,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678412511] [2024-10-13 17:02:28,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 17:02:28,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 17:02:28,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:28,465 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 17:02:28,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 17:02:28,536 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 17:02:28,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 17:02:28,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-13 17:02:28,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:02:28,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2024-10-13 17:02:28,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2024-10-13 17:02:28,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:28,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:28,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:28,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-10-13 17:02:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:02:28,614 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 17:02:28,730 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:02:28,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678412511] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 17:02:28,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 17:02:28,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 16 [2024-10-13 17:02:28,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54814063] [2024-10-13 17:02:28,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 17:02:28,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 17:02:28,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 17:02:28,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=145, Unknown=0, NotChecked=0, Total=240 [2024-10-13 17:02:28,813 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. cyclomatic complexity: 4 Second operand has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:02:28,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 17:02:28,958 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2024-10-13 17:02:28,958 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 56 transitions. [2024-10-13 17:02:28,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-13 17:02:28,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 42 states and 44 transitions. [2024-10-13 17:02:28,963 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-13 17:02:28,963 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-13 17:02:28,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 44 transitions. [2024-10-13 17:02:28,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-13 17:02:28,963 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 44 transitions. [2024-10-13 17:02:28,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 44 transitions. [2024-10-13 17:02:28,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-10-13 17:02:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.0476190476190477) internal successors, (44), 41 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:02:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2024-10-13 17:02:28,968 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 44 transitions. [2024-10-13 17:02:28,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-13 17:02:28,972 INFO L425 stractBuchiCegarLoop]: Abstraction has 42 states and 44 transitions. [2024-10-13 17:02:28,972 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-13 17:02:28,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 44 transitions. [2024-10-13 17:02:28,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-13 17:02:28,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-13 17:02:28,973 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-13 17:02:28,973 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 10, 10, 1, 1, 1] [2024-10-13 17:02:28,973 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-13 17:02:28,974 INFO L745 eck$LassoCheckResult]: Stem: 513#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 514#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~post9#1, main_#t~mem10#1, main_~i~0#1.base, main_~i~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~i~0#1.base, main_~i~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call write~int#1(0, main_~i~0#1.base, main_~i~0#1.offset, 4);call write~int#0(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 515#L552-3 goto; 525#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 524#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 519#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 505#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 506#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 546#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 507#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 508#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 518#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 520#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 545#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 544#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 543#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 542#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 541#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 540#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 539#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 538#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 537#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 536#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 535#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 534#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 533#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 532#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 531#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 530#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 529#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 528#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 527#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 526#L554 assume main_#t~mem7#1 <= 10;havoc main_#t~mem7#1; 522#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 516#L552-1 [2024-10-13 17:02:28,974 INFO L747 eck$LassoCheckResult]: Loop: 516#L552-1 assume !!(main_#t~mem4#1 < 20);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4);main_#t~post6#1 := main_#t~mem5#1;call write~int#1(1 + main_#t~post6#1, main_~i~0#1.base, main_~i~0#1.offset, 4);havoc main_#t~mem5#1;havoc main_#t~post6#1;call main_#t~mem7#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 517#L554 assume !(main_#t~mem7#1 <= 10);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int#0(main_~c~0#1.base, main_~c~0#1.offset, 4);main_#t~post9#1 := main_#t~mem8#1;call write~int#0(1 + main_#t~post9#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~post9#1; 509#L552-3 goto; 510#main_Loop~3#1 call main_#t~mem4#1 := read~int#1(main_~i~0#1.base, main_~i~0#1.offset, 4); 516#L552-1 [2024-10-13 17:02:28,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:28,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1598657468, now seen corresponding path program 5 times [2024-10-13 17:02:28,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:28,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719133257] [2024-10-13 17:02:28,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:28,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:29,019 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:02:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:29,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:02:29,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:29,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1297543, now seen corresponding path program 4 times [2024-10-13 17:02:29,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:29,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357366890] [2024-10-13 17:02:29,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:29,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:29,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:02:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:29,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:02:29,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:29,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1264869194, now seen corresponding path program 3 times [2024-10-13 17:02:29,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 17:02:29,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634169520] [2024-10-13 17:02:29,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 17:02:29,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 17:02:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:29,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 17:02:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 17:02:29,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 17:02:35,372 WARN L286 SmtUtils]: Spent 6.21s on a formula simplification. DAG size of input: 202 DAG size of output: 164 (called from [L 275] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-10-13 17:02:35,480 INFO L204 LassoAnalysis]: Preferences: [2024-10-13 17:02:35,481 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-13 17:02:35,481 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-13 17:02:35,481 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-13 17:02:35,481 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-13 17:02:35,482 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:35,482 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-13 17:02:35,482 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-13 17:02:35,482 INFO L132 ssoRankerPreferences]: Filename of dumped script: java_Continue1-alloca.i_Iteration5_Lasso [2024-10-13 17:02:35,482 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-13 17:02:35,482 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-13 17:02:35,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:35,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:35,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:35,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:35,497 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:35,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:35,501 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:35,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:35,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:35,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:35,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-13 17:02:35,979 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-13 17:02:35,979 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-13 17:02:35,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:35,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:35,983 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:02:35,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-13 17:02:35,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:02:35,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:35,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:02:35,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:35,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:35,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:35,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:02:35,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:02:36,002 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:36,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-13 17:02:36,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:36,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:36,018 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:02:36,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-13 17:02:36,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:02:36,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:36,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:02:36,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:36,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:36,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:36,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:02:36,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:02:36,034 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:36,046 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 [2024-10-13 17:02:36,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:36,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:36,048 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:02:36,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-13 17:02:36,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:02:36,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:36,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:02:36,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:36,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:36,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:36,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:02:36,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:02:36,065 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:36,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-13 17:02:36,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:36,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:36,079 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:02:36,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-13 17:02:36,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:02:36,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:36,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:36,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:36,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:36,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:02:36,094 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:02:36,098 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:36,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-13 17:02:36,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:36,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:36,114 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:02:36,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-13 17:02:36,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:02:36,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:36,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:02:36,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:36,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:36,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:36,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:02:36,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:02:36,139 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:36,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-13 17:02:36,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:36,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:36,152 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:02:36,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-13 17:02:36,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:02:36,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:36,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-13 17:02:36,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:36,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:36,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:36,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-13 17:02:36,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-13 17:02:36,167 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:36,178 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 [2024-10-13 17:02:36,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:36,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:36,180 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:02:36,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-13 17:02:36,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:02:36,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:36,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:36,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:36,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:36,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:02:36,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:02:36,195 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:36,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-13 17:02:36,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:36,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:36,207 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:02:36,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-13 17:02:36,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:02:36,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:36,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:36,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:36,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:36,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:02:36,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:02:36,226 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:36,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-13 17:02:36,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:36,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:36,239 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) [2024-10-13 17:02:36,240 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 [2024-10-13 17:02:36,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:02:36,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:36,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:36,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:36,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:36,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:02:36,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:02:36,259 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:36,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-13 17:02:36,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:36,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:36,276 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) [2024-10-13 17:02:36,276 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 [2024-10-13 17:02:36,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:02:36,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:36,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:36,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:36,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:36,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:02:36,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:02:36,295 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-13 17:02:36,307 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 [2024-10-13 17:02:36,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:36,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:36,309 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:02:36,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-13 17:02:36,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-13 17:02:36,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-13 17:02:36,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-13 17:02:36,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-13 17:02:36,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-13 17:02:36,326 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-13 17:02:36,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-13 17:02:36,332 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-13 17:02:36,343 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-10-13 17:02:36,343 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-10-13 17:02:36,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-13 17:02:36,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 17:02:36,345 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-13 17:02:36,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-13 17:02:36,347 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-13 17:02:36,358 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-13 17:02:36,358 INFO L474 LassoAnalysis]: Proved termination. [2024-10-13 17:02:36,358 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~mem4#1) = -41*ULTIMATE.start_main_#t~mem4#1 + 790 Supporting invariants [41*v_rep(select (select #memory_int#1 ULTIMATE.start_main_~i~0#1.base) 0)_2 - 40*ULTIMATE.start_main_#t~mem4#1 >= 0] [2024-10-13 17:02:36,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-13 17:02:36,404 INFO L156 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2024-10-13 17:02:36,408 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem4 [2024-10-13 17:02:36,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:02:36,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-10-13 17:02:36,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:02:36,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2024-10-13 17:02:36,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2024-10-13 17:02:36,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:36,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:36,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:36,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:36,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:36,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:36,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:36,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:36,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:36,873 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 [2024-10-13 17:02:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:02:36,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 17:02:36,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:02:36,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 25 [2024-10-13 17:02:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:02:36,977 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 3 loop predicates [2024-10-13 17:02:36,978 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4 Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:02:37,013 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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 43 states and 45 transitions. Complement of second has 6 states. [2024-10-13 17:02:37,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-13 17:02:37,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:02:37,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2024-10-13 17:02:37,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 34 letters. Loop has 4 letters. [2024-10-13 17:02:37,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:02:37,016 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-13 17:02:37,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:02:37,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-10-13 17:02:37,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:02:37,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2024-10-13 17:02:37,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2024-10-13 17:02:37,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:37,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:37,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:37,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:37,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:37,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:37,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:37,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:37,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:02:37,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 17:02:37,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:02:37,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 25 [2024-10-13 17:02:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:02:37,576 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.12 stem predicates 3 loop predicates [2024-10-13 17:02:37,577 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4 Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:02:37,607 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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 43 states and 45 transitions. Complement of second has 6 states. [2024-10-13 17:02:37,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-13 17:02:37,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:02:37,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2024-10-13 17:02:37,609 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 34 letters. Loop has 4 letters. [2024-10-13 17:02:37,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:02:37,609 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-13 17:02:37,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 17:02:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:02:37,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-10-13 17:02:37,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:02:37,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2024-10-13 17:02:37,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2024-10-13 17:02:37,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:37,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:37,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:37,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:37,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:37,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:37,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:38,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:38,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-10-13 17:02:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 17:02:38,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 17:02:38,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 17:02:38,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 25 [2024-10-13 17:02:38,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 17:02:38,159 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.12 stem predicates 3 loop predicates [2024-10-13 17:02:38,159 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4 Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:02:38,376 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 44 transitions. cyclomatic complexity: 4. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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 59 states and 62 transitions. Complement of second has 45 states. [2024-10-13 17:02:38,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 12 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-13 17:02:38,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 17:02:38,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 52 transitions. [2024-10-13 17:02:38,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 52 transitions. Stem has 34 letters. Loop has 4 letters. [2024-10-13 17:02:38,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:02:38,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 52 transitions. Stem has 38 letters. Loop has 4 letters. [2024-10-13 17:02:38,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:02:38,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 52 transitions. Stem has 34 letters. Loop has 8 letters. [2024-10-13 17:02:38,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-13 17:02:38,378 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 62 transitions. [2024-10-13 17:02:38,380 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 17:02:38,380 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 0 states and 0 transitions. [2024-10-13 17:02:38,380 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-13 17:02:38,380 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-13 17:02:38,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-13 17:02:38,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-13 17:02:38,380 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:02:38,380 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:02:38,381 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 17:02:38,381 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-13 17:02:38,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-13 17:02:38,381 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-13 17:02:38,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-13 17:02:38,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 05:02:38 BoogieIcfgContainer [2024-10-13 17:02:38,386 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-13 17:02:38,386 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 17:02:38,386 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 17:02:38,386 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 17:02:38,387 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:02:25" (3/4) ... [2024-10-13 17:02:38,388 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-13 17:02:38,389 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 17:02:38,389 INFO L158 Benchmark]: Toolchain (without parser) took 13745.92ms. Allocated memory was 155.2MB in the beginning and 268.4MB in the end (delta: 113.2MB). Free memory was 102.5MB in the beginning and 185.0MB in the end (delta: -82.5MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-10-13 17:02:38,389 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 155.2MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:02:38,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.01ms. Allocated memory is still 155.2MB. Free memory was 102.5MB in the beginning and 84.5MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-13 17:02:38,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.21ms. Allocated memory is still 155.2MB. Free memory was 84.5MB in the beginning and 82.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:02:38,390 INFO L158 Benchmark]: Boogie Preprocessor took 30.92ms. Allocated memory is still 155.2MB. Free memory was 82.8MB in the beginning and 80.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 17:02:38,390 INFO L158 Benchmark]: RCFGBuilder took 285.85ms. Allocated memory is still 155.2MB. Free memory was 80.7MB in the beginning and 69.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 17:02:38,390 INFO L158 Benchmark]: BuchiAutomizer took 13033.15ms. Allocated memory was 155.2MB in the beginning and 268.4MB in the end (delta: 113.2MB). Free memory was 69.4MB in the beginning and 185.0MB in the end (delta: -115.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:02:38,390 INFO L158 Benchmark]: Witness Printer took 2.51ms. Allocated memory is still 268.4MB. Free memory is still 185.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 17:02:38,391 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 155.2MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.01ms. Allocated memory is still 155.2MB. Free memory was 102.5MB in the beginning and 84.5MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.21ms. Allocated memory is still 155.2MB. Free memory was 84.5MB in the beginning and 82.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.92ms. Allocated memory is still 155.2MB. Free memory was 82.8MB in the beginning and 80.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 285.85ms. Allocated memory is still 155.2MB. Free memory was 80.7MB in the beginning and 69.8MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 13033.15ms. Allocated memory was 155.2MB in the beginning and 268.4MB in the end (delta: 113.2MB). Free memory was 69.4MB in the beginning and 185.0MB in the end (delta: -115.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.51ms. Allocated memory is still 268.4MB. Free memory is still 185.0MB. 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: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~i~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem4 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 1 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One nondeterministic module has affine ranking function null and consists of 15 locations. 3 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.9s and 6 iterations. TraceHistogramMax:11. Analysis of lassos took 10.4s. Construction of modules took 0.1s. Büchi inclusion checks took 2.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 128 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 83 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 205 IncrementalHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 45 mSDtfsCounter, 205 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital152 mio100 ax112 hnf100 lsp89 ukn81 mio100 lsp23 div100 bol100 ite100 ukn100 eq187 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-13 17:02:38,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-13 17:02:38,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 17:02:38,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE