./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-acceleration/array_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-acceleration/array_4.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8c27e61ac5d5a22c0e00a5dbac1b872460567877a501387ed9d5bda89096498 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 14:44:43,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 14:44:43,997 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-19 14:44:44,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 14:44:44,003 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 14:44:44,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 14:44:44,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 14:44:44,047 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 14:44:44,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 14:44:44,048 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 14:44:44,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 14:44:44,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 14:44:44,050 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 14:44:44,053 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-19 14:44:44,054 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-19 14:44:44,054 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-19 14:44:44,054 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-19 14:44:44,055 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-19 14:44:44,057 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-19 14:44:44,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 14:44:44,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-19 14:44:44,061 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 14:44:44,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 14:44:44,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 14:44:44,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 14:44:44,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-19 14:44:44,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-19 14:44:44,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-19 14:44:44,063 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 14:44:44,064 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 14:44:44,064 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 14:44:44,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 14:44:44,064 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-19 14:44:44,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 14:44:44,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 14:44:44,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 14:44:44,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 14:44:44,066 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 14:44:44,067 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-19 14:44:44,067 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c27e61ac5d5a22c0e00a5dbac1b872460567877a501387ed9d5bda89096498 [2024-11-19 14:44:44,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 14:44:44,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 14:44:44,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 14:44:44,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 14:44:44,381 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 14:44:44,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/array_4.i [2024-11-19 14:44:45,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 14:44:46,034 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 14:44:46,035 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/array_4.i [2024-11-19 14:44:46,041 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20a7934bd/459a763744644db8b9f1a273f95c9976/FLAG636ad7a85 [2024-11-19 14:44:46,434 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20a7934bd/459a763744644db8b9f1a273f95c9976 [2024-11-19 14:44:46,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 14:44:46,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 14:44:46,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 14:44:46,440 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 14:44:46,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 14:44:46,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:46" (1/1) ... [2024-11-19 14:44:46,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a5835c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:46, skipping insertion in model container [2024-11-19 14:44:46,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:46" (1/1) ... [2024-11-19 14:44:46,464 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 14:44:46,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:44:46,673 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 14:44:46,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 14:44:46,705 INFO L204 MainTranslator]: Completed translation [2024-11-19 14:44:46,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:46 WrapperNode [2024-11-19 14:44:46,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 14:44:46,707 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 14:44:46,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 14:44:46,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 14:44:46,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:46" (1/1) ... [2024-11-19 14:44:46,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:46" (1/1) ... [2024-11-19 14:44:46,740 INFO L138 Inliner]: procedures = 16, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-19 14:44:46,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 14:44:46,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 14:44:46,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 14:44:46,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 14:44:46,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:46" (1/1) ... [2024-11-19 14:44:46,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:46" (1/1) ... [2024-11-19 14:44:46,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:46" (1/1) ... [2024-11-19 14:44:46,770 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2024-11-19 14:44:46,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:46" (1/1) ... [2024-11-19 14:44:46,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:46" (1/1) ... [2024-11-19 14:44:46,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:46" (1/1) ... [2024-11-19 14:44:46,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:46" (1/1) ... [2024-11-19 14:44:46,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:46" (1/1) ... [2024-11-19 14:44:46,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:46" (1/1) ... [2024-11-19 14:44:46,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 14:44:46,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 14:44:46,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 14:44:46,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 14:44:46,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:46" (1/1) ... [2024-11-19 14:44:46,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:44:46,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:44:46,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:44:46,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-19 14:44:46,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 14:44:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 14:44:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 14:44:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 14:44:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 14:44:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 14:44:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 14:44:46,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 14:44:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 14:44:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 14:44:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 14:44:46,962 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 14:44:46,968 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 14:44:47,133 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-19 14:44:47,133 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 14:44:47,150 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 14:44:47,150 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 14:44:47,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:47 BoogieIcfgContainer [2024-11-19 14:44:47,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 14:44:47,152 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-19 14:44:47,152 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-19 14:44:47,156 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-19 14:44:47,157 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:44:47,158 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 02:44:46" (1/3) ... [2024-11-19 14:44:47,159 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f3545d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:44:47, skipping insertion in model container [2024-11-19 14:44:47,159 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:44:47,160 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:46" (2/3) ... [2024-11-19 14:44:47,160 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f3545d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 02:44:47, skipping insertion in model container [2024-11-19 14:44:47,160 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-19 14:44:47,161 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:47" (3/3) ... [2024-11-19 14:44:47,162 INFO L332 chiAutomizerObserver]: Analyzing ICFG array_4.i [2024-11-19 14:44:47,225 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-19 14:44:47,226 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-19 14:44:47,226 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-19 14:44:47,227 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-19 14:44:47,227 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-19 14:44:47,227 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-19 14:44:47,227 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-19 14:44:47,228 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-19 14:44:47,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:44:47,249 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-19 14:44:47,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:44:47,251 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:44:47,256 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:44:47,256 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:44:47,257 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-19 14:44:47,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:44:47,259 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2024-11-19 14:44:47,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:44:47,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:44:47,260 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-19 14:44:47,260 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-19 14:44:47,267 INFO L745 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~post4#1, main_~#A~0#1.base, main_~#A~0#1.offset, main_~i~0#1;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(4096);havoc main_~i~0#1;main_~i~0#1 := 0; 6#L25-3true [2024-11-19 14:44:47,268 INFO L747 eck$LassoCheckResult]: Loop: 6#L25-3true assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 9#L25-2true main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 6#L25-3true [2024-11-19 14:44:47,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:44:47,277 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-19 14:44:47,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:44:47,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111372650] [2024-11-19 14:44:47,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:44:47,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:44:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:44:47,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:44:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:44:47,430 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:44:47,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:44:47,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2024-11-19 14:44:47,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:44:47,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640429254] [2024-11-19 14:44:47,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:44:47,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:44:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:44:47,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:44:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:44:47,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:44:47,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:44:47,463 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2024-11-19 14:44:47,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:44:47,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409500211] [2024-11-19 14:44:47,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:44:47,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:44:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:44:47,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:44:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:44:47,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:44:47,994 INFO L204 LassoAnalysis]: Preferences: [2024-11-19 14:44:47,995 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-19 14:44:47,995 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-19 14:44:47,996 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-19 14:44:47,996 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-19 14:44:47,996 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:44:47,996 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-19 14:44:47,997 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-19 14:44:47,997 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_4.i_Iteration1_Lasso [2024-11-19 14:44:47,997 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-19 14:44:47,997 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-19 14:44:48,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:44:48,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:44:48,042 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:44:48,045 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:44:48,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:44:48,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:44:48,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-19 14:44:48,430 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-19 14:44:48,435 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-19 14:44:48,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:44:48,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:44:48,440 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:44:48,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-19 14:44:48,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:44:48,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:44:48,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:44:48,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:44:48,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:44:48,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:44:48,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:44:48,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:44:48,459 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:44:48,475 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 [2024-11-19 14:44:48,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:44:48,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:44:48,479 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:44:48,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-19 14:44:48,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:44:48,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:44:48,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:44:48,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:44:48,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:44:48,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:44:48,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:44:48,501 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:44:48,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-19 14:44:48,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:44:48,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:44:48,515 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:44:48,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:44:48,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-19 14:44:48,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:44:48,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:44:48,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:44:48,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:44:48,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:44:48,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:44:48,536 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:44:48,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-19 14:44:48,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:44:48,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:44:48,554 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:44:48,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-19 14:44:48,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:44:48,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:44:48,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:44:48,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:44:48,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:44:48,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:44:48,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:44:48,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:44:48,573 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:44:48,589 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 [2024-11-19 14:44:48,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:44:48,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:44:48,591 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:44:48,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-19 14:44:48,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:44:48,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:44:48,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-19 14:44:48,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:44:48,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:44:48,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:44:48,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-19 14:44:48,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-19 14:44:48,614 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:44:48,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-19 14:44:48,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:44:48,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:44:48,632 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:44:48,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-19 14:44:48,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:44:48,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:44:48,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:44:48,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:44:48,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:44:48,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:44:48,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:44:48,654 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-19 14:44:48,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-19 14:44:48,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:44:48,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:44:48,672 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:44:48,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-19 14:44:48,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-19 14:44:48,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-19 14:44:48,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-19 14:44:48,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-19 14:44:48,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-19 14:44:48,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-19 14:44:48,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-19 14:44:48,698 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-19 14:44:48,717 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-19 14:44:48,717 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-19 14:44:48,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-19 14:44:48,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:44:48,739 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-19 14:44:48,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-19 14:44:48,742 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-19 14:44:48,758 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-19 14:44:48,759 INFO L474 LassoAnalysis]: Proved termination. [2024-11-19 14:44:48,760 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_1) = -8*ULTIMATE.start_main_~i~0#1 + 2045*v_rep(select #length ULTIMATE.start_main_~#A~0#1.base)_1 Supporting invariants [] [2024-11-19 14:44:48,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-19 14:44:48,794 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-11-19 14:44:48,810 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-19 14:44:48,811 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-19 14:44:48,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:44:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:44:48,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 14:44:48,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:44:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:44:48,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 14:44:48,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:44:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:48,934 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 [2024-11-19 14:44:48,936 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:44:48,981 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 43 transitions. Complement of second has 6 states. [2024-11-19 14:44:48,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-19 14:44:48,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:44:48,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2024-11-19 14:44:48,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-19 14:44:48,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:44:48,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-19 14:44:48,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:44:48,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-19 14:44:48,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-19 14:44:48,992 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 43 transitions. [2024-11-19 14:44:48,994 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:44:48,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 9 states and 11 transitions. [2024-11-19 14:44:48,998 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-19 14:44:48,998 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-19 14:44:48,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2024-11-19 14:44:48,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:44:48,999 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-11-19 14:44:49,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2024-11-19 14:44:49,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-19 14:44:49,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:44:49,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2024-11-19 14:44:49,017 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-11-19 14:44:49,017 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2024-11-19 14:44:49,018 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-19 14:44:49,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2024-11-19 14:44:49,018 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:44:49,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:44:49,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:44:49,018 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-19 14:44:49,018 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:44:49,019 INFO L745 eck$LassoCheckResult]: Stem: 108#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 109#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~post4#1, main_~#A~0#1.base, main_~#A~0#1.offset, main_~i~0#1;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(4096);havoc main_~i~0#1;main_~i~0#1 := 0; 105#L25-3 assume !(main_~i~0#1 < 1023); 106#L25-4 call write~int#1(0, main_~#A~0#1.base, 4092 + main_~#A~0#1.offset, 4);main_~i~0#1 := 0; 107#L30-4 [2024-11-19 14:44:49,019 INFO L747 eck$LassoCheckResult]: Loop: 107#L30-4 call main_#t~mem3#1 := read~int#1(main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4); 101#L30-1 assume !!(0 != main_#t~mem3#1);havoc main_#t~mem3#1; 102#L30-3 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 107#L30-4 [2024-11-19 14:44:49,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:44:49,019 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2024-11-19 14:44:49,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:44:49,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778511112] [2024-11-19 14:44:49,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:44:49,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:44:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:44:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:49,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:44:49,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778511112] [2024-11-19 14:44:49,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778511112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 14:44:49,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 14:44:49,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 14:44:49,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010136919] [2024-11-19 14:44:49,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 14:44:49,132 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:44:49,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:44:49,132 INFO L85 PathProgramCache]: Analyzing trace with hash 49813, now seen corresponding path program 1 times [2024-11-19 14:44:49,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:44:49,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170922614] [2024-11-19 14:44:49,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:44:49,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:44:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:44:49,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:44:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:44:49,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:44:49,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:44:49,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 14:44:49,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 14:44:49,204 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:44:49,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:44:49,223 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2024-11-19 14:44:49,223 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 14 transitions. [2024-11-19 14:44:49,223 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:44:49,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 14 transitions. [2024-11-19 14:44:49,224 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-19 14:44:49,224 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-19 14:44:49,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 14 transitions. [2024-11-19 14:44:49,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:44:49,224 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-19 14:44:49,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 14 transitions. [2024-11-19 14:44:49,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 9. [2024-11-19 14:44:49,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:44:49,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-11-19 14:44:49,226 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-19 14:44:49,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 14:44:49,228 INFO L425 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-19 14:44:49,229 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-19 14:44:49,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-11-19 14:44:49,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:44:49,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:44:49,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:44:49,230 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-19 14:44:49,230 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:44:49,231 INFO L745 eck$LassoCheckResult]: Stem: 136#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 137#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~post4#1, main_~#A~0#1.base, main_~#A~0#1.offset, main_~i~0#1;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(4096);havoc main_~i~0#1;main_~i~0#1 := 0; 133#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 131#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 132#L25-3 assume !(main_~i~0#1 < 1023); 134#L25-4 call write~int#1(0, main_~#A~0#1.base, 4092 + main_~#A~0#1.offset, 4);main_~i~0#1 := 0; 135#L30-4 [2024-11-19 14:44:49,231 INFO L747 eck$LassoCheckResult]: Loop: 135#L30-4 call main_#t~mem3#1 := read~int#1(main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4); 129#L30-1 assume !!(0 != main_#t~mem3#1);havoc main_#t~mem3#1; 130#L30-3 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 135#L30-4 [2024-11-19 14:44:49,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:44:49,231 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2024-11-19 14:44:49,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:44:49,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250169317] [2024-11-19 14:44:49,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:44:49,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:44:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:44:49,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:49,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:44:49,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250169317] [2024-11-19 14:44:49,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250169317] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:44:49,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331068711] [2024-11-19 14:44:49,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 14:44:49,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:44:49,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:44:49,327 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 14:44:49,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 14:44:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 14:44:49,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 14:44:49,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:44:49,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:49,420 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 14:44:49,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-19 14:44:49,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:49,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331068711] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 14:44:49,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 14:44:49,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-19 14:44:49,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452496314] [2024-11-19 14:44:49,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 14:44:49,451 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:44:49,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:44:49,452 INFO L85 PathProgramCache]: Analyzing trace with hash 49813, now seen corresponding path program 2 times [2024-11-19 14:44:49,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:44:49,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542866689] [2024-11-19 14:44:49,453 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:44:49,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:44:49,462 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:44:49,463 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:44:49,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:44:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:44:49,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:44:49,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:44:49,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 14:44:49,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 14:44:49,514 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:44:49,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:44:49,573 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2024-11-19 14:44:49,573 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 28 transitions. [2024-11-19 14:44:49,574 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:44:49,574 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 28 transitions. [2024-11-19 14:44:49,575 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-11-19 14:44:49,575 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-19 14:44:49,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 28 transitions. [2024-11-19 14:44:49,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:44:49,575 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 28 transitions. [2024-11-19 14:44:49,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 28 transitions. [2024-11-19 14:44:49,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 15. [2024-11-19 14:44:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 14 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:44:49,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-11-19 14:44:49,580 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-19 14:44:49,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 14:44:49,584 INFO L425 stractBuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-19 14:44:49,584 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-19 14:44:49,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 16 transitions. [2024-11-19 14:44:49,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:44:49,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:44:49,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:44:49,585 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2024-11-19 14:44:49,586 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:44:49,586 INFO L745 eck$LassoCheckResult]: Stem: 213#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 214#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~post4#1, main_~#A~0#1.base, main_~#A~0#1.offset, main_~i~0#1;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(4096);havoc main_~i~0#1;main_~i~0#1 := 0; 209#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 207#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 208#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 210#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 219#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 218#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 217#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 216#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 215#L25-3 assume !(main_~i~0#1 < 1023); 211#L25-4 call write~int#1(0, main_~#A~0#1.base, 4092 + main_~#A~0#1.offset, 4);main_~i~0#1 := 0; 212#L30-4 [2024-11-19 14:44:49,586 INFO L747 eck$LassoCheckResult]: Loop: 212#L30-4 call main_#t~mem3#1 := read~int#1(main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4); 205#L30-1 assume !!(0 != main_#t~mem3#1);havoc main_#t~mem3#1; 206#L30-3 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 212#L30-4 [2024-11-19 14:44:49,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:44:49,586 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2024-11-19 14:44:49,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:44:49,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561477605] [2024-11-19 14:44:49,587 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:44:49,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:44:49,620 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 14:44:49,620 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:44:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:49,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:44:49,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561477605] [2024-11-19 14:44:49,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561477605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:44:49,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420261415] [2024-11-19 14:44:49,758 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 14:44:49,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:44:49,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:44:49,761 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 14:44:49,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 14:44:49,814 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 14:44:49,815 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:44:49,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 14:44:49,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:44:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:49,847 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 14:44:49,919 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:49,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420261415] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 14:44:49,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 14:44:49,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-19 14:44:49,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646067224] [2024-11-19 14:44:49,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 14:44:49,920 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:44:49,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:44:49,921 INFO L85 PathProgramCache]: Analyzing trace with hash 49813, now seen corresponding path program 3 times [2024-11-19 14:44:49,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:44:49,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157433584] [2024-11-19 14:44:49,921 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:44:49,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:44:49,926 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 14:44:49,926 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:44:49,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:44:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:44:49,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:44:49,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:44:49,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 14:44:49,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-19 14:44:49,977 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:44:50,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:44:50,066 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2024-11-19 14:44:50,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 58 transitions. [2024-11-19 14:44:50,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:44:50,070 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 57 states and 58 transitions. [2024-11-19 14:44:50,070 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2024-11-19 14:44:50,070 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2024-11-19 14:44:50,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 58 transitions. [2024-11-19 14:44:50,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:44:50,071 INFO L218 hiAutomatonCegarLoop]: Abstraction has 57 states and 58 transitions. [2024-11-19 14:44:50,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 58 transitions. [2024-11-19 14:44:50,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 27. [2024-11-19 14:44:50,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.037037037037037) internal successors, (28), 26 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:44:50,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2024-11-19 14:44:50,074 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 28 transitions. [2024-11-19 14:44:50,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 14:44:50,076 INFO L425 stractBuchiCegarLoop]: Abstraction has 27 states and 28 transitions. [2024-11-19 14:44:50,077 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-19 14:44:50,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 28 transitions. [2024-11-19 14:44:50,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:44:50,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:44:50,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:44:50,078 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2024-11-19 14:44:50,079 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:44:50,079 INFO L745 eck$LassoCheckResult]: Stem: 367#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 368#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~post4#1, main_~#A~0#1.base, main_~#A~0#1.offset, main_~i~0#1;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(4096);havoc main_~i~0#1;main_~i~0#1 := 0; 363#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 361#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 362#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 364#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 385#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 384#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 383#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 382#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 381#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 380#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 379#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 378#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 377#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 376#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 375#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 374#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 373#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 372#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 371#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 370#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 369#L25-3 assume !(main_~i~0#1 < 1023); 365#L25-4 call write~int#1(0, main_~#A~0#1.base, 4092 + main_~#A~0#1.offset, 4);main_~i~0#1 := 0; 366#L30-4 [2024-11-19 14:44:50,079 INFO L747 eck$LassoCheckResult]: Loop: 366#L30-4 call main_#t~mem3#1 := read~int#1(main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4); 359#L30-1 assume !!(0 != main_#t~mem3#1);havoc main_#t~mem3#1; 360#L30-3 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 366#L30-4 [2024-11-19 14:44:50,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:44:50,080 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2024-11-19 14:44:50,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:44:50,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26838309] [2024-11-19 14:44:50,080 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:44:50,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:44:50,133 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 14:44:50,133 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:44:50,353 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:50,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:44:50,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26838309] [2024-11-19 14:44:50,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26838309] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:44:50,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964672308] [2024-11-19 14:44:50,354 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 14:44:50,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:44:50,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:44:50,357 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 14:44:50,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 14:44:50,481 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-19 14:44:50,481 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:44:50,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-19 14:44:50,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:44:50,550 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:50,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 14:44:50,795 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:50,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964672308] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 14:44:50,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 14:44:50,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-19 14:44:50,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893094818] [2024-11-19 14:44:50,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 14:44:50,797 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:44:50,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:44:50,797 INFO L85 PathProgramCache]: Analyzing trace with hash 49813, now seen corresponding path program 4 times [2024-11-19 14:44:50,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:44:50,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75453640] [2024-11-19 14:44:50,797 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:44:50,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:44:50,804 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:44:50,804 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:44:50,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:44:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:44:50,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:44:50,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:44:50,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-19 14:44:50,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-19 14:44:50,849 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. cyclomatic complexity: 3 Second operand has 25 states, 25 states have (on average 1.96) internal successors, (49), 25 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:44:51,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:44:51,049 INFO L93 Difference]: Finished difference Result 117 states and 118 transitions. [2024-11-19 14:44:51,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 117 states and 118 transitions. [2024-11-19 14:44:51,051 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:44:51,052 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 117 states to 117 states and 118 transitions. [2024-11-19 14:44:51,052 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 73 [2024-11-19 14:44:51,053 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 73 [2024-11-19 14:44:51,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 117 states and 118 transitions. [2024-11-19 14:44:51,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:44:51,053 INFO L218 hiAutomatonCegarLoop]: Abstraction has 117 states and 118 transitions. [2024-11-19 14:44:51,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states and 118 transitions. [2024-11-19 14:44:51,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 51. [2024-11-19 14:44:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.0196078431372548) internal successors, (52), 50 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:44:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2024-11-19 14:44:51,057 INFO L240 hiAutomatonCegarLoop]: Abstraction has 51 states and 52 transitions. [2024-11-19 14:44:51,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 14:44:51,058 INFO L425 stractBuchiCegarLoop]: Abstraction has 51 states and 52 transitions. [2024-11-19 14:44:51,058 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-19 14:44:51,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 52 transitions. [2024-11-19 14:44:51,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:44:51,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:44:51,059 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:44:51,060 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [22, 22, 1, 1, 1, 1] [2024-11-19 14:44:51,060 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:44:51,060 INFO L745 eck$LassoCheckResult]: Stem: 677#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 678#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~post4#1, main_~#A~0#1.base, main_~#A~0#1.offset, main_~i~0#1;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(4096);havoc main_~i~0#1;main_~i~0#1 := 0; 673#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 671#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 672#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 674#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 719#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 718#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 717#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 716#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 715#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 714#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 713#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 712#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 711#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 710#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 709#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 708#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 707#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 706#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 705#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 704#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 703#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 702#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 701#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 700#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 699#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 698#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 697#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 696#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 695#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 694#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 693#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 692#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 691#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 690#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 689#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 688#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 687#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 686#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 685#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 684#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 683#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 682#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 681#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 680#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 679#L25-3 assume !(main_~i~0#1 < 1023); 675#L25-4 call write~int#1(0, main_~#A~0#1.base, 4092 + main_~#A~0#1.offset, 4);main_~i~0#1 := 0; 676#L30-4 [2024-11-19 14:44:51,061 INFO L747 eck$LassoCheckResult]: Loop: 676#L30-4 call main_#t~mem3#1 := read~int#1(main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4); 669#L30-1 assume !!(0 != main_#t~mem3#1);havoc main_#t~mem3#1; 670#L30-3 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 676#L30-4 [2024-11-19 14:44:51,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:44:51,061 INFO L85 PathProgramCache]: Analyzing trace with hash 828161207, now seen corresponding path program 4 times [2024-11-19 14:44:51,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:44:51,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845933373] [2024-11-19 14:44:51,061 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:44:51,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:44:51,111 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:44:51,112 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:44:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:51,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:44:51,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845933373] [2024-11-19 14:44:51,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845933373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:44:51,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061544055] [2024-11-19 14:44:51,708 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 14:44:51,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:44:51,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:44:51,711 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 14:44:51,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 14:44:51,808 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 14:44:51,809 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:44:51,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-19 14:44:51,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:44:51,894 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:51,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 14:44:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:52,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061544055] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 14:44:52,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 14:44:52,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 48 [2024-11-19 14:44:52,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549787757] [2024-11-19 14:44:52,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 14:44:52,706 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:44:52,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:44:52,706 INFO L85 PathProgramCache]: Analyzing trace with hash 49813, now seen corresponding path program 5 times [2024-11-19 14:44:52,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:44:52,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650405165] [2024-11-19 14:44:52,706 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 14:44:52,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:44:52,710 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 14:44:52,711 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:44:52,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:44:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:44:52,716 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:44:52,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:44:52,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-19 14:44:52,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-19 14:44:52,750 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. cyclomatic complexity: 3 Second operand has 48 states, 48 states have (on average 1.9583333333333333) internal successors, (94), 48 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:44:53,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:44:53,221 INFO L93 Difference]: Finished difference Result 237 states and 238 transitions. [2024-11-19 14:44:53,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 237 states and 238 transitions. [2024-11-19 14:44:53,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:44:53,229 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 237 states to 237 states and 238 transitions. [2024-11-19 14:44:53,229 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 145 [2024-11-19 14:44:53,229 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 145 [2024-11-19 14:44:53,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 237 states and 238 transitions. [2024-11-19 14:44:53,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:44:53,233 INFO L218 hiAutomatonCegarLoop]: Abstraction has 237 states and 238 transitions. [2024-11-19 14:44:53,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states and 238 transitions. [2024-11-19 14:44:53,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 99. [2024-11-19 14:44:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 99 states have (on average 1.0101010101010102) internal successors, (100), 98 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:44:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 100 transitions. [2024-11-19 14:44:53,241 INFO L240 hiAutomatonCegarLoop]: Abstraction has 99 states and 100 transitions. [2024-11-19 14:44:53,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-19 14:44:53,242 INFO L425 stractBuchiCegarLoop]: Abstraction has 99 states and 100 transitions. [2024-11-19 14:44:53,242 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-19 14:44:53,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 100 transitions. [2024-11-19 14:44:53,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:44:53,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:44:53,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:44:53,245 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [46, 46, 1, 1, 1, 1] [2024-11-19 14:44:53,246 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:44:53,246 INFO L745 eck$LassoCheckResult]: Stem: 1298#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1299#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~post4#1, main_~#A~0#1.base, main_~#A~0#1.offset, main_~i~0#1;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(4096);havoc main_~i~0#1;main_~i~0#1 := 0; 1294#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1292#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1293#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1295#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1388#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1387#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1386#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1385#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1384#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1383#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1382#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1381#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1380#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1379#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1378#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1377#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1376#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1375#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1374#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1373#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1372#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1371#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1370#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1369#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1368#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1367#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1366#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1365#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1364#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1363#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1362#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1361#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1360#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1359#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1358#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1357#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1356#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1355#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1354#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1353#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1352#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1351#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1350#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1349#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1348#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1347#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1346#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1345#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1344#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1343#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1342#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1341#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1340#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1339#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1338#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1337#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1336#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1335#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1334#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1333#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1332#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1331#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1330#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1329#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1328#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1327#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1326#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1325#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1324#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1323#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1322#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1321#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1320#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1319#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1318#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1317#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1316#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1315#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1314#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1313#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1312#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1311#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1310#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1309#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1308#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1307#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1306#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1305#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1304#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1303#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1302#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1301#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1300#L25-3 assume !(main_~i~0#1 < 1023); 1296#L25-4 call write~int#1(0, main_~#A~0#1.base, 4092 + main_~#A~0#1.offset, 4);main_~i~0#1 := 0; 1297#L30-4 [2024-11-19 14:44:53,246 INFO L747 eck$LassoCheckResult]: Loop: 1297#L30-4 call main_#t~mem3#1 := read~int#1(main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4); 1290#L30-1 assume !!(0 != main_#t~mem3#1);havoc main_#t~mem3#1; 1291#L30-3 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1297#L30-4 [2024-11-19 14:44:53,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:44:53,247 INFO L85 PathProgramCache]: Analyzing trace with hash 830581479, now seen corresponding path program 5 times [2024-11-19 14:44:53,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:44:53,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703759437] [2024-11-19 14:44:53,247 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 14:44:53,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:44:53,472 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 14:44:53,475 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:44:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:55,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:44:55,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703759437] [2024-11-19 14:44:55,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703759437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:44:55,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044880820] [2024-11-19 14:44:55,358 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 14:44:55,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:44:55,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:44:55,362 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 14:44:55,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 14:44:58,170 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-19 14:44:58,171 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:44:58,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-19 14:44:58,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 14:44:58,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:44:58,370 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 14:45:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:45:00,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044880820] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 14:45:00,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 14:45:00,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 96 [2024-11-19 14:45:00,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414789681] [2024-11-19 14:45:00,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 14:45:00,889 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-19 14:45:00,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:45:00,889 INFO L85 PathProgramCache]: Analyzing trace with hash 49813, now seen corresponding path program 6 times [2024-11-19 14:45:00,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:45:00,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135035274] [2024-11-19 14:45:00,890 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 14:45:00,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:45:00,897 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 14:45:00,897 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-19 14:45:00,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 14:45:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 14:45:00,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 14:45:00,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 14:45:00,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-19 14:45:00,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-19 14:45:00,941 INFO L87 Difference]: Start difference. First operand 99 states and 100 transitions. cyclomatic complexity: 3 Second operand has 96 states, 96 states have (on average 1.9791666666666667) internal successors, (190), 96 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:45:02,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 14:45:02,283 INFO L93 Difference]: Finished difference Result 477 states and 478 transitions. [2024-11-19 14:45:02,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 477 states and 478 transitions. [2024-11-19 14:45:02,287 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:45:02,290 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 477 states to 477 states and 478 transitions. [2024-11-19 14:45:02,290 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 289 [2024-11-19 14:45:02,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 289 [2024-11-19 14:45:02,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 477 states and 478 transitions. [2024-11-19 14:45:02,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-19 14:45:02,293 INFO L218 hiAutomatonCegarLoop]: Abstraction has 477 states and 478 transitions. [2024-11-19 14:45:02,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states and 478 transitions. [2024-11-19 14:45:02,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 195. [2024-11-19 14:45:02,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 195 states have (on average 1.005128205128205) internal successors, (196), 194 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 14:45:02,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 196 transitions. [2024-11-19 14:45:02,303 INFO L240 hiAutomatonCegarLoop]: Abstraction has 195 states and 196 transitions. [2024-11-19 14:45:02,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-19 14:45:02,309 INFO L425 stractBuchiCegarLoop]: Abstraction has 195 states and 196 transitions. [2024-11-19 14:45:02,309 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-19 14:45:02,309 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 195 states and 196 transitions. [2024-11-19 14:45:02,310 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-11-19 14:45:02,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-19 14:45:02,310 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-19 14:45:02,320 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [94, 94, 1, 1, 1, 1] [2024-11-19 14:45:02,320 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-19 14:45:02,321 INFO L745 eck$LassoCheckResult]: Stem: 2543#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 2544#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~mem3#1, main_#t~post4#1, main_~#A~0#1.base, main_~#A~0#1.offset, main_~i~0#1;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(4096);havoc main_~i~0#1;main_~i~0#1 := 0; 2539#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2537#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2538#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2540#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2729#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2728#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2727#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2726#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2725#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2724#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2723#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2722#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2721#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2720#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2719#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2718#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2717#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2716#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2715#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2714#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2713#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2712#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2711#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2710#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2709#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2708#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2707#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2706#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2705#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2704#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2703#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2702#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2701#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2700#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2699#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2698#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2697#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2696#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2695#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2694#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2693#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2692#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2691#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2690#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2689#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2688#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2687#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2686#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2685#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2684#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2683#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2682#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2681#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2680#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2679#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2678#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2677#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2676#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2675#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2674#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2673#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2672#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2671#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2670#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2669#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2668#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2667#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2666#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2665#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2664#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2663#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2662#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2661#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2660#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2659#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2658#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2657#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2656#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2655#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2654#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2653#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2652#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2651#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2650#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2649#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2648#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2647#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2646#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2645#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2644#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2643#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2642#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2641#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2640#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2639#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2638#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2637#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2636#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2635#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2634#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2633#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2632#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2631#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2630#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2629#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2628#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2627#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2626#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2625#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2624#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2623#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2622#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2621#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2620#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2619#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2618#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2617#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2616#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2615#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2614#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2613#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2612#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2611#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2610#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2609#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2608#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2607#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2606#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2605#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2604#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2603#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2602#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2601#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2600#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2599#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2598#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2597#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2596#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2595#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2594#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2593#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2592#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2591#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2590#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2589#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2588#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2587#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2586#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2585#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2584#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2583#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2582#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2581#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2580#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2579#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2578#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2577#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2576#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2575#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2574#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2573#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2572#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2571#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2570#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2569#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2568#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2567#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2566#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2565#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2564#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2563#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2562#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2561#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2560#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2559#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2558#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2557#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2556#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2555#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2554#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2553#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2552#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2551#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2550#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2549#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2548#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2547#L25-3 assume !!(main_~i~0#1 < 1023);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2546#L25-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2545#L25-3 assume !(main_~i~0#1 < 1023); 2541#L25-4 call write~int#1(0, main_~#A~0#1.base, 4092 + main_~#A~0#1.offset, 4);main_~i~0#1 := 0; 2542#L30-4 [2024-11-19 14:45:02,321 INFO L747 eck$LassoCheckResult]: Loop: 2542#L30-4 call main_#t~mem3#1 := read~int#1(main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4); 2535#L30-1 assume !!(0 != main_#t~mem3#1);havoc main_#t~mem3#1; 2536#L30-3 main_#t~post4#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2542#L30-4 [2024-11-19 14:45:02,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 14:45:02,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1165371207, now seen corresponding path program 6 times [2024-11-19 14:45:02,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 14:45:02,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908982665] [2024-11-19 14:45:02,322 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 14:45:02,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 14:45:02,658 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-19 14:45:02,659 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 14:45:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 8836 backedges. 0 proven. 8836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 14:45:08,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 14:45:08,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908982665] [2024-11-19 14:45:08,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908982665] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 14:45:08,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102937590] [2024-11-19 14:45:08,641 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 14:45:08,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 14:45:08,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 14:45:08,646 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 14:45:08,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process