./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_vararg_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_vararg_ground.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 28ac72543f751666908cbd68a77fa11ffe4dd886016c3996df45b97bb42d5078 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-12 00:22:42,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 00:22:42,514 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-12 00:22:42,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 00:22:42,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 00:22:42,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 00:22:42,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 00:22:42,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 00:22:42,547 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 00:22:42,548 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 00:22:42,548 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 00:22:42,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 00:22:42,549 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 00:22:42,549 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-12 00:22:42,551 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-12 00:22:42,551 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-12 00:22:42,551 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-12 00:22:42,551 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-12 00:22:42,552 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-12 00:22:42,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 00:22:42,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-12 00:22:42,556 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 00:22:42,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 00:22:42,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 00:22:42,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 00:22:42,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-12 00:22:42,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-12 00:22:42,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-12 00:22:42,557 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 00:22:42,557 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-12 00:22:42,558 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 00:22:42,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 00:22:42,558 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-12 00:22:42,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 00:22:42,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 00:22:42,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 00:22:42,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 00:22:42,559 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 00:22:42,559 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-12 00:22:42,560 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28ac72543f751666908cbd68a77fa11ffe4dd886016c3996df45b97bb42d5078 [2024-10-12 00:22:42,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 00:22:42,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 00:22:42,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 00:22:42,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 00:22:42,845 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 00:22:42,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_vararg_ground.i [2024-10-12 00:22:44,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 00:22:44,440 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 00:22:44,440 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_vararg_ground.i [2024-10-12 00:22:44,448 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/89cd5798b/37349dadaa324332b7e2c0b8219624a0/FLAGb0f4e47b3 [2024-10-12 00:22:44,464 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/89cd5798b/37349dadaa324332b7e2c0b8219624a0 [2024-10-12 00:22:44,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 00:22:44,468 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 00:22:44,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 00:22:44,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 00:22:44,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 00:22:44,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:22:44" (1/1) ... [2024-10-12 00:22:44,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13553249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:44, skipping insertion in model container [2024-10-12 00:22:44,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 12:22:44" (1/1) ... [2024-10-12 00:22:44,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 00:22:44,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:22:44,672 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 00:22:44,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 00:22:44,702 INFO L204 MainTranslator]: Completed translation [2024-10-12 00:22:44,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:44 WrapperNode [2024-10-12 00:22:44,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 00:22:44,704 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 00:22:44,704 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 00:22:44,704 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 00:22:44,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:44" (1/1) ... [2024-10-12 00:22:44,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:44" (1/1) ... [2024-10-12 00:22:44,731 INFO L138 Inliner]: procedures = 16, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-10-12 00:22:44,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 00:22:44,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 00:22:44,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 00:22:44,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 00:22:44,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:44" (1/1) ... [2024-10-12 00:22:44,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:44" (1/1) ... [2024-10-12 00:22:44,743 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:44" (1/1) ... [2024-10-12 00:22:44,762 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 1 writes are split as follows [0, 1]. [2024-10-12 00:22:44,762 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:44" (1/1) ... [2024-10-12 00:22:44,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:44" (1/1) ... [2024-10-12 00:22:44,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:44" (1/1) ... [2024-10-12 00:22:44,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:44" (1/1) ... [2024-10-12 00:22:44,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:44" (1/1) ... [2024-10-12 00:22:44,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:44" (1/1) ... [2024-10-12 00:22:44,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 00:22:44,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 00:22:44,785 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 00:22:44,785 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 00:22:44,786 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:44" (1/1) ... [2024-10-12 00:22:44,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:44,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:44,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:22:44,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-12 00:22:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 00:22:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 00:22:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 00:22:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-12 00:22:44,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 00:22:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 00:22:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 00:22:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 00:22:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 00:22:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 00:22:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 00:22:44,978 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 00:22:44,980 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 00:22:45,074 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-12 00:22:45,075 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 00:22:45,084 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 00:22:45,084 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-12 00:22:45,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:22:45 BoogieIcfgContainer [2024-10-12 00:22:45,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 00:22:45,085 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-12 00:22:45,085 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-12 00:22:45,088 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-12 00:22:45,089 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:22:45,089 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 12:22:44" (1/3) ... [2024-10-12 00:22:45,089 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b564f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:22:45, skipping insertion in model container [2024-10-12 00:22:45,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:22:45,090 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 12:22:44" (2/3) ... [2024-10-12 00:22:45,090 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b564f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.10 12:22:45, skipping insertion in model container [2024-10-12 00:22:45,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-12 00:22:45,090 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 12:22:45" (3/3) ... [2024-10-12 00:22:45,091 INFO L332 chiAutomizerObserver]: Analyzing ICFG standard_vararg_ground.i [2024-10-12 00:22:45,145 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-12 00:22:45,145 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-12 00:22:45,145 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-12 00:22:45,145 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-12 00:22:45,145 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-12 00:22:45,145 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-12 00:22:45,145 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-12 00:22:45,146 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-12 00:22:45,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:22:45,162 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2024-10-12 00:22:45,163 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:22:45,163 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:22:45,171 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:22:45,171 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:22:45,171 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-12 00:22:45,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:22:45,177 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2024-10-12 00:22:45,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:22:45,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:22:45,177 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-12 00:22:45,177 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:22:45,185 INFO L745 eck$LassoCheckResult]: Stem: 17#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(25, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~i~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~post6#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 14#L20-3true [2024-10-12 00:22:45,185 INFO L747 eck$LassoCheckResult]: Loop: 14#L20-3true assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 15#L20-2true main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 14#L20-3true [2024-10-12 00:22:45,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:45,190 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-12 00:22:45,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:45,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360977213] [2024-10-12 00:22:45,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:45,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:45,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:22:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:45,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:22:45,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:45,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2024-10-12 00:22:45,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:45,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116311816] [2024-10-12 00:22:45,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:45,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:45,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:22:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:45,390 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:22:45,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:45,392 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2024-10-12 00:22:45,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:45,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648392463] [2024-10-12 00:22:45,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:45,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:45,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:22:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:45,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:22:45,771 INFO L204 LassoAnalysis]: Preferences: [2024-10-12 00:22:45,772 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-12 00:22:45,772 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-12 00:22:45,772 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-12 00:22:45,772 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-12 00:22:45,772 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:45,772 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-12 00:22:45,773 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-12 00:22:45,773 INFO L132 ssoRankerPreferences]: Filename of dumped script: standard_vararg_ground.i_Iteration1_Lasso [2024-10-12 00:22:45,773 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-12 00:22:45,773 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-12 00:22:45,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:45,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:45,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:45,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:45,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:45,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:45,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:45,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:45,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:45,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:45,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-12 00:22:46,172 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-12 00:22:46,180 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-12 00:22:46,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:46,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:46,184 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:22:46,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-12 00:22:46,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:22:46,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:46,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:46,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:46,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:46,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:22:46,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:22:46,215 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:46,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-12 00:22:46,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:46,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:46,240 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:22:46,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-12 00:22:46,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:22:46,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:46,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:46,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:46,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:46,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:22:46,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:22:46,260 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:46,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-12 00:22:46,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:46,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:46,274 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:22:46,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-12 00:22:46,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:22:46,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:46,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:22:46,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:46,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:46,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:46,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:22:46,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:22:46,290 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:46,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-12 00:22:46,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:46,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:46,307 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:22:46,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-12 00:22:46,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:22:46,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:46,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:22:46,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:46,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:46,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:46,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:22:46,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:22:46,331 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:46,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-12 00:22:46,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:46,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:46,354 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:22:46,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-12 00:22:46,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:22:46,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:46,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:22:46,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:46,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:46,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:46,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:22:46,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:22:46,377 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:46,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-12 00:22:46,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:46,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:46,391 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:22:46,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-12 00:22:46,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:22:46,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:46,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:22:46,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:46,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:46,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:46,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:22:46,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:22:46,405 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:46,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-12 00:22:46,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:46,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:46,423 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:22:46,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-12 00:22:46,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:22:46,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:46,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:22:46,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:46,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:46,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:46,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:22:46,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:22:46,440 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:46,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-10-12 00:22:46,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:46,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:46,456 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:22:46,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-12 00:22:46,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:22:46,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:46,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:46,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:46,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:46,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:22:46,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:22:46,477 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:46,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-12 00:22:46,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:46,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:46,495 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:22:46,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-12 00:22:46,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:22:46,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:46,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:22:46,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:46,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:46,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:46,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:22:46,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:22:46,519 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:46,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-12 00:22:46,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:46,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:46,533 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:22:46,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-12 00:22:46,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:22:46,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:46,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-12 00:22:46,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:46,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:46,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:46,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-12 00:22:46,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-12 00:22:46,547 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-12 00:22:46,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-12 00:22:46,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:46,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:46,560 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:22:46,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-12 00:22:46,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-12 00:22:46,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-12 00:22:46,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-12 00:22:46,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-12 00:22:46,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-12 00:22:46,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-12 00:22:46,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-12 00:22:46,582 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-12 00:22:46,595 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-10-12 00:22:46,596 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-10-12 00:22:46,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-12 00:22:46,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:46,599 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-12 00:22:46,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-12 00:22:46,600 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-12 00:22:46,613 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-12 00:22:46,613 INFO L474 LassoAnalysis]: Proved termination. [2024-10-12 00:22:46,614 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 199999 Supporting invariants [] [2024-10-12 00:22:46,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-12 00:22:46,638 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-10-12 00:22:46,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:22:46,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-12 00:22:46,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:22:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:22:46,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-12 00:22:46,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:22:46,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:22:46,736 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-12 00:22:46,738 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:22:46,777 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 36 states and 51 transitions. Complement of second has 6 states. [2024-10-12 00:22:46,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-12 00:22:46,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:22:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2024-10-12 00:22:46,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-12 00:22:46,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:22:46,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-12 00:22:46,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:22:46,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-12 00:22:46,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-12 00:22:46,790 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 51 transitions. [2024-10-12 00:22:46,792 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-10-12 00:22:46,798 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 16 states and 22 transitions. [2024-10-12 00:22:46,798 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-12 00:22:46,798 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-12 00:22:46,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2024-10-12 00:22:46,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:22:46,799 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2024-10-12 00:22:46,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2024-10-12 00:22:46,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-10-12 00:22:46,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 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) [2024-10-12 00:22:46,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2024-10-12 00:22:46,817 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2024-10-12 00:22:46,817 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2024-10-12 00:22:46,818 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-12 00:22:46,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2024-10-12 00:22:46,818 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-10-12 00:22:46,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:22:46,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:22:46,818 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-12 00:22:46,818 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:22:46,819 INFO L745 eck$LassoCheckResult]: Stem: 122#$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(25, 2); 113#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_~i~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~post6#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 114#L20-3 assume !(main_~i~0#1 < 100000); 115#L20-4 havoc main_~i~0#1; 109#L25-3 [2024-10-12 00:22:46,819 INFO L747 eck$LassoCheckResult]: Loop: 109#L25-3 call main_#t~mem3#1 := read~int#1(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 110#L25-1 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 109#L25-3 [2024-10-12 00:22:46,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:46,819 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2024-10-12 00:22:46,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:46,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561191763] [2024-10-12 00:22:46,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:46,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:22:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:22:46,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:22:46,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561191763] [2024-10-12 00:22:46,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561191763] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 00:22:46,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 00:22:46,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 00:22:46,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672614648] [2024-10-12 00:22:46,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 00:22:46,891 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:22:46,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:46,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1638, now seen corresponding path program 1 times [2024-10-12 00:22:46,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:46,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861174649] [2024-10-12 00:22:46,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:46,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:46,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:22:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:46,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:22:46,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:22:46,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-12 00:22:46,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-12 00:22:46,940 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:22:46,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:22:46,950 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2024-10-12 00:22:46,950 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 18 transitions. [2024-10-12 00:22:46,951 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:22:46,951 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 14 states and 16 transitions. [2024-10-12 00:22:46,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-12 00:22:46,952 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-12 00:22:46,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2024-10-12 00:22:46,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:22:46,952 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-10-12 00:22:46,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2024-10-12 00:22:46,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2024-10-12 00:22:46,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:22:46,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2024-10-12 00:22:46,954 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-10-12 00:22:46,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-12 00:22:46,954 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2024-10-12 00:22:46,955 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-12 00:22:46,955 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2024-10-12 00:22:46,955 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:22:46,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:22:46,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:22:46,956 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-12 00:22:46,956 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:22:46,956 INFO L745 eck$LassoCheckResult]: Stem: 155#$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(25, 2); 156#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_~i~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~post6#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 148#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 149#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 150#L20-3 assume !(main_~i~0#1 < 100000); 151#L20-4 havoc main_~i~0#1; 152#L25-3 [2024-10-12 00:22:46,956 INFO L747 eck$LassoCheckResult]: Loop: 152#L25-3 call main_#t~mem3#1 := read~int#1(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 153#L25-1 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 152#L25-3 [2024-10-12 00:22:46,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:46,957 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2024-10-12 00:22:46,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:46,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724806659] [2024-10-12 00:22:46,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:46,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:22:47,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:22:47,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:22:47,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724806659] [2024-10-12 00:22:47,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724806659] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:22:47,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149164786] [2024-10-12 00:22:47,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:47,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:22:47,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:47,009 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:22:47,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-12 00:22:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:22:47,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-12 00:22:47,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:22:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:22:47,075 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:22:47,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:22:47,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149164786] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:22:47,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:22:47,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-12 00:22:47,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985241255] [2024-10-12 00:22:47,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:22:47,092 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:22:47,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:47,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1638, now seen corresponding path program 2 times [2024-10-12 00:22:47,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:47,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568233073] [2024-10-12 00:22:47,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:47,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:47,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:22:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:47,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:22:47,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:22:47,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-12 00:22:47,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-12 00:22:47,135 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. cyclomatic complexity: 5 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) [2024-10-12 00:22:47,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:22:47,158 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2024-10-12 00:22:47,158 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2024-10-12 00:22:47,159 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:22:47,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 21 transitions. [2024-10-12 00:22:47,160 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-12 00:22:47,160 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-12 00:22:47,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 21 transitions. [2024-10-12 00:22:47,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:22:47,160 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-12 00:22:47,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 21 transitions. [2024-10-12 00:22:47,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-10-12 00:22:47,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.105263157894737) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:22:47,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-10-12 00:22:47,162 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-12 00:22:47,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 00:22:47,163 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-10-12 00:22:47,163 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-12 00:22:47,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2024-10-12 00:22:47,164 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:22:47,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:22:47,164 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:22:47,164 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2024-10-12 00:22:47,165 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:22:47,165 INFO L745 eck$LassoCheckResult]: Stem: 227#$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(25, 2); 228#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_~i~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~post6#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 220#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 221#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 222#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 223#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 235#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 234#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 233#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 232#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 231#L20-3 assume !(main_~i~0#1 < 100000); 230#L20-4 havoc main_~i~0#1; 224#L25-3 [2024-10-12 00:22:47,165 INFO L747 eck$LassoCheckResult]: Loop: 224#L25-3 call main_#t~mem3#1 := read~int#1(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 225#L25-1 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 224#L25-3 [2024-10-12 00:22:47,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:47,165 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2024-10-12 00:22:47,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:47,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758680887] [2024-10-12 00:22:47,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:47,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:22:47,271 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:22:47,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:22:47,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758680887] [2024-10-12 00:22:47,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758680887] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:22:47,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805894328] [2024-10-12 00:22:47,272 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-12 00:22:47,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:22:47,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:47,275 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:22:47,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-12 00:22:47,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-12 00:22:47,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 00:22:47,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-12 00:22:47,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:22:47,350 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:22:47,350 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:22:47,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-12 00:22:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:22:47,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805894328] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:22:47,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:22:47,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-10-12 00:22:47,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508918366] [2024-10-12 00:22:47,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:22:47,447 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:22:47,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:47,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1638, now seen corresponding path program 3 times [2024-10-12 00:22:47,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:47,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670902502] [2024-10-12 00:22:47,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:47,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:47,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:22:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:47,455 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:22:47,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:22:47,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-12 00:22:47,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-12 00:22:47,492 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. cyclomatic complexity: 5 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) [2024-10-12 00:22:47,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:22:47,539 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2024-10-12 00:22:47,539 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 33 transitions. [2024-10-12 00:22:47,540 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:22:47,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 33 transitions. [2024-10-12 00:22:47,540 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-12 00:22:47,540 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-12 00:22:47,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 33 transitions. [2024-10-12 00:22:47,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:22:47,541 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 33 transitions. [2024-10-12 00:22:47,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 33 transitions. [2024-10-12 00:22:47,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-10-12 00:22:47,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.064516129032258) internal successors, (33), 30 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:22:47,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2024-10-12 00:22:47,545 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 33 transitions. [2024-10-12 00:22:47,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-12 00:22:47,546 INFO L425 stractBuchiCegarLoop]: Abstraction has 31 states and 33 transitions. [2024-10-12 00:22:47,546 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-12 00:22:47,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 33 transitions. [2024-10-12 00:22:47,547 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:22:47,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:22:47,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:22:47,548 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2024-10-12 00:22:47,548 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:22:47,548 INFO L745 eck$LassoCheckResult]: Stem: 361#$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(25, 2); 362#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_~i~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~post6#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 352#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 353#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 354#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 355#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 356#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 379#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 378#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 377#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 376#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 375#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 374#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 373#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 372#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 371#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 370#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 369#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 368#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 367#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 366#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 365#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 364#L20-3 assume !(main_~i~0#1 < 100000); 363#L20-4 havoc main_~i~0#1; 357#L25-3 [2024-10-12 00:22:47,548 INFO L747 eck$LassoCheckResult]: Loop: 357#L25-3 call main_#t~mem3#1 := read~int#1(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 358#L25-1 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 357#L25-3 [2024-10-12 00:22:47,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:47,549 INFO L85 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2024-10-12 00:22:47,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:47,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320979105] [2024-10-12 00:22:47,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:47,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:22:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:22:47,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:22:47,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320979105] [2024-10-12 00:22:47,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320979105] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:22:47,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813751385] [2024-10-12 00:22:47,788 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-12 00:22:47,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:22:47,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:47,789 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:22:47,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-12 00:22:47,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-12 00:22:47,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 00:22:47,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-12 00:22:47,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:22:47,959 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:22:47,959 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:22:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:22:48,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813751385] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:22:48,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:22:48,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-10-12 00:22:48,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588834377] [2024-10-12 00:22:48,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:22:48,160 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:22:48,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:48,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1638, now seen corresponding path program 4 times [2024-10-12 00:22:48,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:48,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748577323] [2024-10-12 00:22:48,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:48,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:48,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:22:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:48,165 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:22:48,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:22:48,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-12 00:22:48,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-10-12 00:22:48,192 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. cyclomatic complexity: 5 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) [2024-10-12 00:22:48,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:22:48,257 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2024-10-12 00:22:48,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 57 transitions. [2024-10-12 00:22:48,258 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:22:48,259 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 55 states and 57 transitions. [2024-10-12 00:22:48,259 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-12 00:22:48,259 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-12 00:22:48,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 57 transitions. [2024-10-12 00:22:48,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:22:48,259 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 57 transitions. [2024-10-12 00:22:48,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 57 transitions. [2024-10-12 00:22:48,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-10-12 00:22:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.0363636363636364) internal successors, (57), 54 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:22:48,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2024-10-12 00:22:48,267 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 57 transitions. [2024-10-12 00:22:48,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-12 00:22:48,268 INFO L425 stractBuchiCegarLoop]: Abstraction has 55 states and 57 transitions. [2024-10-12 00:22:48,268 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-12 00:22:48,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 57 transitions. [2024-10-12 00:22:48,270 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:22:48,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:22:48,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:22:48,271 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [22, 22, 1, 1, 1, 1] [2024-10-12 00:22:48,271 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:22:48,272 INFO L745 eck$LassoCheckResult]: Stem: 612#$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(25, 2); 613#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_~i~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~post6#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 604#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 605#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 606#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 607#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 608#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 655#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 654#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 653#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 652#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 651#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 650#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 649#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 648#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 647#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 646#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 645#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 644#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 643#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 642#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 641#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 640#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 639#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 638#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 637#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 636#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 635#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 634#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 633#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 632#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 631#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 630#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 629#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 628#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 627#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 626#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 625#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 624#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 623#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 622#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 621#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 620#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 619#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 618#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 617#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 616#L20-3 assume !(main_~i~0#1 < 100000); 615#L20-4 havoc main_~i~0#1; 609#L25-3 [2024-10-12 00:22:48,272 INFO L747 eck$LassoCheckResult]: Loop: 609#L25-3 call main_#t~mem3#1 := read~int#1(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 610#L25-1 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 609#L25-3 [2024-10-12 00:22:48,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:48,272 INFO L85 PathProgramCache]: Analyzing trace with hash 828161207, now seen corresponding path program 4 times [2024-10-12 00:22:48,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:48,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398401072] [2024-10-12 00:22:48,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:48,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:22:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:22:48,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:22:48,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398401072] [2024-10-12 00:22:48,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398401072] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:22:48,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389085593] [2024-10-12 00:22:48,983 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-12 00:22:48,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:22:48,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:48,986 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:22:48,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-12 00:22:49,086 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-12 00:22:49,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 00:22:49,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-12 00:22:49,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:22:49,170 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:22:49,170 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:22:49,931 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:22:49,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389085593] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:22:49,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:22:49,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 49 [2024-10-12 00:22:49,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616204936] [2024-10-12 00:22:49,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:22:49,932 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:22:49,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:49,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1638, now seen corresponding path program 5 times [2024-10-12 00:22:49,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:49,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639742530] [2024-10-12 00:22:49,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:49,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:49,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:22:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:22:49,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:22:49,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:22:49,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-10-12 00:22:49,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2024-10-12 00:22:49,972 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. cyclomatic complexity: 5 Second operand has 49 states, 49 states have (on average 1.9795918367346939) internal successors, (97), 49 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:22:50,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:22:50,128 INFO L93 Difference]: Finished difference Result 103 states and 105 transitions. [2024-10-12 00:22:50,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 103 states and 105 transitions. [2024-10-12 00:22:50,129 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:22:50,130 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 103 states to 103 states and 105 transitions. [2024-10-12 00:22:50,130 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-12 00:22:50,130 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-12 00:22:50,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 105 transitions. [2024-10-12 00:22:50,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:22:50,131 INFO L218 hiAutomatonCegarLoop]: Abstraction has 103 states and 105 transitions. [2024-10-12 00:22:50,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 105 transitions. [2024-10-12 00:22:50,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-10-12 00:22:50,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 103 states have (on average 1.0194174757281553) internal successors, (105), 102 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:22:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 105 transitions. [2024-10-12 00:22:50,136 INFO L240 hiAutomatonCegarLoop]: Abstraction has 103 states and 105 transitions. [2024-10-12 00:22:50,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-12 00:22:50,142 INFO L425 stractBuchiCegarLoop]: Abstraction has 103 states and 105 transitions. [2024-10-12 00:22:50,142 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-12 00:22:50,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states and 105 transitions. [2024-10-12 00:22:50,143 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:22:50,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:22:50,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:22:50,145 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [46, 46, 1, 1, 1, 1] [2024-10-12 00:22:50,146 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:22:50,146 INFO L745 eck$LassoCheckResult]: Stem: 1105#$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(25, 2); 1106#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_~i~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~post6#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 1096#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1097#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1098#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1099#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1100#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1195#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1194#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1193#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1192#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1191#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1190#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1189#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1188#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1187#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1186#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1185#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1184#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1183#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1182#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1181#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1180#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1179#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1178#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1177#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1176#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1175#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1174#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1173#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1172#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1171#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1170#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1169#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1168#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1167#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1166#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1165#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1164#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1163#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1162#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1161#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1160#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1159#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1158#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1157#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1156#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1155#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1154#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1153#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1152#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1151#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1150#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1149#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1148#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1147#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1146#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1145#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1144#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1143#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1142#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1141#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1140#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1139#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1138#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1137#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1136#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1135#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1134#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1133#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1132#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1131#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1130#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1129#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1128#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1127#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1126#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1125#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1124#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1123#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1122#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1121#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1120#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1119#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1118#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1117#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1116#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1115#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1114#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1113#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1112#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1111#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1110#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 1109#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 1108#L20-3 assume !(main_~i~0#1 < 100000); 1107#L20-4 havoc main_~i~0#1; 1101#L25-3 [2024-10-12 00:22:50,150 INFO L747 eck$LassoCheckResult]: Loop: 1101#L25-3 call main_#t~mem3#1 := read~int#1(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 1102#L25-1 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1101#L25-3 [2024-10-12 00:22:50,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:22:50,151 INFO L85 PathProgramCache]: Analyzing trace with hash 830581479, now seen corresponding path program 5 times [2024-10-12 00:22:50,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:22:50,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960582481] [2024-10-12 00:22:50,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:22:50,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:22:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:22:51,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:22:51,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:22:51,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960582481] [2024-10-12 00:22:51,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960582481] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:22:51,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729959717] [2024-10-12 00:22:51,939 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-12 00:22:51,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:22:51,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:22:51,941 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:22:51,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-12 00:23:13,437 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-10-12 00:23:13,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 00:23:13,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-12 00:23:13,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 00:23:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:23:13,618 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 00:23:16,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:23:16,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729959717] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 00:23:16,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-12 00:23:16,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 97 [2024-10-12 00:23:16,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594034355] [2024-10-12 00:23:16,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-12 00:23:16,041 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-12 00:23:16,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:23:16,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1638, now seen corresponding path program 6 times [2024-10-12 00:23:16,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:23:16,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471085520] [2024-10-12 00:23:16,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:23:16,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:23:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:23:16,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 00:23:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 00:23:16,048 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 00:23:16,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 00:23:16,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-10-12 00:23:16,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2024-10-12 00:23:16,109 INFO L87 Difference]: Start difference. First operand 103 states and 105 transitions. cyclomatic complexity: 5 Second operand has 97 states, 97 states have (on average 1.9896907216494846) internal successors, (193), 97 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:23:16,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 00:23:16,458 INFO L93 Difference]: Finished difference Result 199 states and 201 transitions. [2024-10-12 00:23:16,458 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 199 states and 201 transitions. [2024-10-12 00:23:16,460 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:23:16,461 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 199 states to 199 states and 201 transitions. [2024-10-12 00:23:16,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-10-12 00:23:16,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2024-10-12 00:23:16,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 199 states and 201 transitions. [2024-10-12 00:23:16,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-12 00:23:16,465 INFO L218 hiAutomatonCegarLoop]: Abstraction has 199 states and 201 transitions. [2024-10-12 00:23:16,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states and 201 transitions. [2024-10-12 00:23:16,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-10-12 00:23:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 199 states have (on average 1.0100502512562815) internal successors, (201), 198 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 00:23:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 201 transitions. [2024-10-12 00:23:16,479 INFO L240 hiAutomatonCegarLoop]: Abstraction has 199 states and 201 transitions. [2024-10-12 00:23:16,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-10-12 00:23:16,480 INFO L425 stractBuchiCegarLoop]: Abstraction has 199 states and 201 transitions. [2024-10-12 00:23:16,480 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-12 00:23:16,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 199 states and 201 transitions. [2024-10-12 00:23:16,481 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-10-12 00:23:16,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-12 00:23:16,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-12 00:23:16,488 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [94, 94, 1, 1, 1, 1] [2024-10-12 00:23:16,488 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-12 00:23:16,488 INFO L745 eck$LassoCheckResult]: Stem: 2077#$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(25, 2); 2078#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_~i~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~post6#1, main_~#aa~0#1.base, main_~#aa~0#1.offset, main_~a~0#1, main_~x~0#1;call main_~#aa~0#1.base, main_~#aa~0#1.offset := #Ultimate.allocOnStack(400000);main_~a~0#1 := 0;main_~i~0#1 := 0; 2068#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2069#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2070#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2071#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2072#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2263#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2262#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2261#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2260#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2259#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2258#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2257#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2256#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2255#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2254#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2253#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2252#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2251#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2250#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2249#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2248#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2247#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2246#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2245#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2244#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2243#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2242#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2241#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2240#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2239#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2238#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2237#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2236#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2235#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2234#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2233#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2232#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2231#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2230#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2229#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2228#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2227#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2226#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2225#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2224#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2223#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2222#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2221#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2220#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2219#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2218#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2217#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2216#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2215#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2214#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2213#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2212#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2211#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2210#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2209#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2208#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2207#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2206#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2205#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2204#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2203#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2202#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2201#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2200#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2199#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2198#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2197#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2196#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2195#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2194#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2193#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2192#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2191#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2190#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2189#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2188#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2187#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2186#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2185#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2184#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2183#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2182#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2181#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2180#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2179#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2178#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2177#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2176#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2175#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2174#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2173#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2172#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2171#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2170#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2169#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2168#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2167#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2166#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2165#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2164#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2163#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2162#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2161#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2160#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2159#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2158#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2157#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2156#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2155#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2154#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2153#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2152#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2151#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2150#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2149#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2148#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2147#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2146#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2145#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2144#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2143#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2142#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2141#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2140#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2139#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2138#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2137#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2136#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2135#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2134#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2133#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2132#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2131#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2130#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2129#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2128#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2127#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2126#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2125#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2124#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2123#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2122#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2121#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2120#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2119#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2118#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2117#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2116#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2115#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2114#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2113#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2112#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2111#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2110#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2109#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2108#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2107#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2106#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2105#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2104#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2103#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2102#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2101#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2100#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2099#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2098#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2097#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2096#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2095#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2094#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2093#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2092#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2091#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2090#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2089#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2088#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2087#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2086#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2085#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2084#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2083#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2082#L20-3 assume !!(main_~i~0#1 < 100000);havoc main_#t~nondet1#1;call write~int#1(main_#t~nondet1#1, main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet1#1; 2081#L20-2 main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 2080#L20-3 assume !(main_~i~0#1 < 100000); 2079#L20-4 havoc main_~i~0#1; 2073#L25-3 [2024-10-12 00:23:16,489 INFO L747 eck$LassoCheckResult]: Loop: 2073#L25-3 call main_#t~mem3#1 := read~int#1(main_~#aa~0#1.base, main_~#aa~0#1.offset + 4 * main_~a~0#1, 4); 2074#L25-1 assume !!(main_#t~mem3#1 >= 0);havoc main_#t~mem3#1;main_#t~post4#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 2073#L25-3 [2024-10-12 00:23:16,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 00:23:16,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1165371207, now seen corresponding path program 6 times [2024-10-12 00:23:16,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 00:23:16,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783395470] [2024-10-12 00:23:16,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 00:23:16,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 00:23:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 00:23:21,538 INFO L134 CoverageAnalysis]: Checked inductivity of 8836 backedges. 0 proven. 8836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 00:23:21,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 00:23:21,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783395470] [2024-10-12 00:23:21,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783395470] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-12 00:23:21,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224313439] [2024-10-12 00:23:21,539 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-12 00:23:21,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-12 00:23:21,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 00:23:21,541 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-12 00:23:21,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process