/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-6253b08 [2021-05-06 00:19:32,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-06 00:19:32,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-06 00:19:32,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-06 00:19:32,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-06 00:19:32,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-06 00:19:32,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-06 00:19:32,873 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-05-06 00:19:32,909 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-06 00:19:32,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-06 00:19:32,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-06 00:19:32,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-06 00:19:32,912 INFO L138 SettingsManager]: * Use SBE=true [2021-05-06 00:19:32,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-06 00:19:32,912 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-06 00:19:32,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-06 00:19:32,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-06 00:19:32,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-06 00:19:32,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-06 00:19:32,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-06 00:19:32,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-06 00:19:32,914 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-06 00:19:32,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-06 00:19:32,914 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-06 00:19:32,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-06 00:19:32,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-06 00:19:32,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-06 00:19:32,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-06 00:19:32,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 00:19:32,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-06 00:19:32,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-06 00:19:32,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-06 00:19:32,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-06 00:19:32,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-06 00:19:32,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-06 00:19:32,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-05-06 00:19:32,916 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-06 00:19:33,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-06 00:19:33,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-06 00:19:33,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-06 00:19:33,235 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-06 00:19:33,236 INFO L275 PluginConnector]: CDTParser initialized [2021-05-06 00:19:33,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2021-05-06 00:19:33,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/753b02715/512020e3356a44ee8232bae25ba4d7b1/FLAG6a68a0229 [2021-05-06 00:19:33,682 INFO L306 CDTParser]: Found 1 translation units. [2021-05-06 00:19:33,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2021-05-06 00:19:33,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/753b02715/512020e3356a44ee8232bae25ba4d7b1/FLAG6a68a0229 [2021-05-06 00:19:34,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/753b02715/512020e3356a44ee8232bae25ba4d7b1 [2021-05-06 00:19:34,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-06 00:19:34,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-06 00:19:34,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-06 00:19:34,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-06 00:19:34,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-06 00:19:34,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 12:19:34" (1/1) ... [2021-05-06 00:19:34,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cb525f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:34, skipping insertion in model container [2021-05-06 00:19:34,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 12:19:34" (1/1) ... [2021-05-06 00:19:34,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-06 00:19:34,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-06 00:19:34,222 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c[2239,2252] [2021-05-06 00:19:34,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 00:19:34,254 INFO L203 MainTranslator]: Completed pre-run [2021-05-06 00:19:34,309 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c[2239,2252] [2021-05-06 00:19:34,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 00:19:34,340 INFO L208 MainTranslator]: Completed translation [2021-05-06 00:19:34,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:34 WrapperNode [2021-05-06 00:19:34,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-06 00:19:34,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-06 00:19:34,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-06 00:19:34,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-06 00:19:34,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:34" (1/1) ... [2021-05-06 00:19:34,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:34" (1/1) ... [2021-05-06 00:19:34,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:34" (1/1) ... [2021-05-06 00:19:34,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:34" (1/1) ... [2021-05-06 00:19:34,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:34" (1/1) ... [2021-05-06 00:19:34,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:34" (1/1) ... [2021-05-06 00:19:34,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:34" (1/1) ... [2021-05-06 00:19:34,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-06 00:19:34,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-06 00:19:34,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-06 00:19:34,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-06 00:19:34,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 00:19:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-06 00:19:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-06 00:19:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-06 00:19:34,462 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-06 00:19:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-06 00:19:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-06 00:19:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-06 00:19:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-06 00:19:34,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-06 00:19:34,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-06 00:19:34,464 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-06 00:19:34,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-06 00:19:34,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-06 00:19:34,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-06 00:19:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-06 00:19:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-06 00:19:34,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-06 00:19:43,420 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-06 00:19:43,420 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-05-06 00:19:43,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 12:19:43 BoogieIcfgContainer [2021-05-06 00:19:43,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-06 00:19:43,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-06 00:19:43,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-06 00:19:43,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-06 00:19:43,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 12:19:34" (1/3) ... [2021-05-06 00:19:43,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e442e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 12:19:43, skipping insertion in model container [2021-05-06 00:19:43,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:19:34" (2/3) ... [2021-05-06 00:19:43,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e442e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 12:19:43, skipping insertion in model container [2021-05-06 00:19:43,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 12:19:43" (3/3) ... [2021-05-06 00:19:43,427 INFO L111 eAbstractionObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c [2021-05-06 00:19:43,438 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-06 00:19:43,442 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-06 00:19:43,452 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-06 00:19:43,470 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-06 00:19:43,470 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-06 00:19:43,470 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-06 00:19:43,470 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-06 00:19:43,470 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-06 00:19:43,470 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-06 00:19:43,471 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-06 00:19:43,471 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-06 00:19:43,490 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-05-06 00:19:43,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-05-06 00:19:43,496 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 00:19:43,496 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 00:19:43,497 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 00:19:43,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 00:19:43,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1261463571, now seen corresponding path program 1 times [2021-05-06 00:19:43,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 00:19:43,511 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226473879] [2021-05-06 00:19:43,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 00:19:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 00:19:43,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 00:19:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 00:19:43,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 00:19:43,959 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 00:19:43,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226473879] [2021-05-06 00:19:43,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226473879] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 00:19:43,960 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 00:19:43,960 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-05-06 00:19:43,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865142645] [2021-05-06 00:19:43,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-06 00:19:43,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 00:19:43,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-06 00:19:43,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-06 00:19:43,975 INFO L87 Difference]: Start difference. First operand has 28 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-06 00:20:03,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 00:20:03,923 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-05-06 00:20:03,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-06 00:20:03,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-05-06 00:20:03,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 00:20:03,932 INFO L225 Difference]: With dead ends: 71 [2021-05-06 00:20:03,932 INFO L226 Difference]: Without dead ends: 35 [2021-05-06 00:20:03,935 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 132.4ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-05-06 00:20:03,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-05-06 00:20:03,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 29. [2021-05-06 00:20:03,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-06 00:20:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2021-05-06 00:20:03,975 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 15 [2021-05-06 00:20:03,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 00:20:03,976 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2021-05-06 00:20:03,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-06 00:20:03,976 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2021-05-06 00:20:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-05-06 00:20:03,977 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 00:20:03,977 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 00:20:03,977 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-06 00:20:03,977 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 00:20:03,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 00:20:03,978 INFO L82 PathProgramCache]: Analyzing trace with hash 489359351, now seen corresponding path program 1 times [2021-05-06 00:20:03,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 00:20:03,978 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496512691] [2021-05-06 00:20:03,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 00:20:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 00:20:04,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 00:20:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 00:20:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 00:20:04,258 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 00:20:04,258 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496512691] [2021-05-06 00:20:04,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496512691] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 00:20:04,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 00:20:04,259 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-05-06 00:20:04,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146288302] [2021-05-06 00:20:04,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-05-06 00:20:04,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 00:20:04,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-05-06 00:20:04,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-05-06 00:20:04,261 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-06 00:20:28,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 00:20:28,312 INFO L93 Difference]: Finished difference Result 55 states and 72 transitions. [2021-05-06 00:20:28,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-06 00:20:28,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2021-05-06 00:20:28,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 00:20:28,505 INFO L225 Difference]: With dead ends: 55 [2021-05-06 00:20:28,505 INFO L226 Difference]: Without dead ends: 0 [2021-05-06 00:20:28,506 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 128.2ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-05-06 00:20:28,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-06 00:20:28,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-06 00:20:28,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-05-06 00:20:28,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-06 00:20:28,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-05-06 00:20:28,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 00:20:28,507 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-06 00:20:28,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-06 00:20:28,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-06 00:20:28,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-06 00:20:28,507 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-06 00:20:28,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-05-06 00:20:28,678 INFO L198 CegarLoopUtils]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2021-05-06 00:20:28,678 INFO L198 CegarLoopUtils]: For program point reach_errorENTRY(line 4) no Hoare annotation was computed. [2021-05-06 00:20:28,678 INFO L198 CegarLoopUtils]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2021-05-06 00:20:28,679 INFO L198 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-05-06 00:20:28,679 INFO L194 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__return_121~0 |old(~__return_121~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= ~__tmp_112_0~0 |old(~__tmp_112_0~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|) (= |old(#valid)| |#valid|) (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~__return_main~0 |old(~__return_main~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-05-06 00:20:28,679 INFO L198 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-05-06 00:20:28,679 INFO L198 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-05-06 00:20:28,679 INFO L201 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-05-06 00:20:28,679 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-05-06 00:20:28,680 INFO L198 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-05-06 00:20:28,680 INFO L198 CegarLoopUtils]: For program point L97(lines 97 106) no Hoare annotation was computed. [2021-05-06 00:20:28,680 INFO L194 CegarLoopUtils]: At program point L122(lines 25 145) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-05-06 00:20:28,680 INFO L198 CegarLoopUtils]: For program point mainEXIT(lines 16 151) no Hoare annotation was computed. [2021-05-06 00:20:28,680 INFO L194 CegarLoopUtils]: At program point L56(lines 26 114) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-05-06 00:20:28,680 INFO L198 CegarLoopUtils]: For program point L23(lines 23 150) no Hoare annotation was computed. [2021-05-06 00:20:28,680 INFO L198 CegarLoopUtils]: For program point L48(lines 48 85) no Hoare annotation was computed. [2021-05-06 00:20:28,681 INFO L194 CegarLoopUtils]: At program point L44(lines 26 114) the Hoare annotation is: (<= main_~main__x~0 (let ((.cse0 (div main_~main__x~0 4294967296))) (let ((.cse2 (* .cse0 (- 4294967296)))) (let ((.cse1 (div (+ .cse2 main_~main__x~0) 3))) (+ (* 4294967296 .cse0) (* 3 .cse1) (* 4294967296 (div (+ .cse2 (* .cse1 (- 3)) main_~main__x~0) 4294967296))))))) [2021-05-06 00:20:28,681 INFO L198 CegarLoopUtils]: For program point L90(lines 90 112) no Hoare annotation was computed. [2021-05-06 00:20:28,681 INFO L198 CegarLoopUtils]: For program point L37(lines 37 113) no Hoare annotation was computed. [2021-05-06 00:20:28,681 INFO L198 CegarLoopUtils]: For program point L99(line 99) no Hoare annotation was computed. [2021-05-06 00:20:28,681 INFO L198 CegarLoopUtils]: For program point L128(lines 128 143) no Hoare annotation was computed. [2021-05-06 00:20:28,681 INFO L198 CegarLoopUtils]: For program point L62(lines 62 84) no Hoare annotation was computed. [2021-05-06 00:20:28,681 INFO L198 CegarLoopUtils]: For program point L25(lines 25 145) no Hoare annotation was computed. [2021-05-06 00:20:28,681 INFO L201 CegarLoopUtils]: At program point L83(lines 17 151) the Hoare annotation is: true [2021-05-06 00:20:28,681 INFO L198 CegarLoopUtils]: For program point mainFINAL(lines 16 151) no Hoare annotation was computed. [2021-05-06 00:20:28,682 INFO L198 CegarLoopUtils]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 99) no Hoare annotation was computed. [2021-05-06 00:20:28,682 INFO L194 CegarLoopUtils]: At program point mainENTRY(lines 16 151) the Hoare annotation is: (and (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= |old(~__return_121~0)| ~__return_121~0) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|)) [2021-05-06 00:20:28,682 INFO L198 CegarLoopUtils]: For program point L117(lines 117 144) no Hoare annotation was computed. [2021-05-06 00:20:28,682 INFO L201 CegarLoopUtils]: At program point L142(lines 25 145) the Hoare annotation is: true [2021-05-06 00:20:28,682 INFO L198 CegarLoopUtils]: For program point L39(lines 39 86) no Hoare annotation was computed. [2021-05-06 00:20:28,682 INFO L201 CegarLoopUtils]: At program point L134(lines 25 145) the Hoare annotation is: true [2021-05-06 00:20:28,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 12:20:28 BoogieIcfgContainer [2021-05-06 00:20:28,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-06 00:20:28,695 INFO L168 Benchmark]: Toolchain (without parser) took 54623.69 ms. Allocated memory is still 197.1 MB. Free memory was 161.3 MB in the beginning and 149.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 13.2 MB. Max. memory is 8.0 GB. [2021-05-06 00:20:28,695 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 197.1 MB. Free memory is still 177.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-06 00:20:28,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.42 ms. Allocated memory is still 197.1 MB. Free memory was 161.1 MB in the beginning and 178.9 MB in the end (delta: -17.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-05-06 00:20:28,696 INFO L168 Benchmark]: Boogie Preprocessor took 46.19 ms. Allocated memory is still 197.1 MB. Free memory was 178.9 MB in the beginning and 177.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-05-06 00:20:28,697 INFO L168 Benchmark]: RCFGBuilder took 9032.63 ms. Allocated memory is still 197.1 MB. Free memory was 177.4 MB in the beginning and 158.5 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-05-06 00:20:28,697 INFO L168 Benchmark]: TraceAbstraction took 45271.57 ms. Allocated memory is still 197.1 MB. Free memory was 158.0 MB in the beginning and 149.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 8.0 GB. [2021-05-06 00:20:28,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 197.1 MB. Free memory is still 177.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 267.42 ms. Allocated memory is still 197.1 MB. Free memory was 161.1 MB in the beginning and 178.9 MB in the end (delta: -17.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.19 ms. Allocated memory is still 197.1 MB. Free memory was 178.9 MB in the beginning and 177.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 9032.63 ms. Allocated memory is still 197.1 MB. Free memory was 177.4 MB in the beginning and 158.5 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 45271.57 ms. Allocated memory is still 197.1 MB. Free memory was 158.0 MB in the beginning and 149.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 99]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 45039.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 14.5ms, AutomataDifference: 44216.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 170.3ms, InitialAbstractionConstructionTime: 11.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 58 SDtfs, 26 SDslu, 77 SDs, 0 SdLazy, 120 SolverSat, 7 SolverUnsat, 20 SolverUnknown, 0 SolverNotchecked, 40442.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 260.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=1, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 29.2ms AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 17 NumberOfFragments, 211 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 26.2ms HoareSimplificationTime, 10 FomulaSimplificationsInter, 33 FormulaSimplificationTreeSizeReductionInter, 137.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 11.5ms SsaConstructionTime, 152.5ms SatisfiabilityAnalysisTime, 521.5ms InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 469 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 4294967296 * ((main__x / 4294967296 * -4294967296 + (main__x / 4294967296 * -4294967296 + main__x) / 3 * -3 + main__x) / 4294967296) - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 4294967296 * ((main__x / 4294967296 * -4294967296 + (main__x / 4294967296 * -4294967296 + main__x) / 3 * -3 + main__x) / 4294967296) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * (main__x / 4294967296) + 3 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 4294967296 * ((main__x / 4294967296 * -4294967296 + (main__x / 4294967296 * -4294967296 + main__x) / 3 * -3 + main__x) / 4294967296) RESULT: Ultimate proved your program to be correct! Received shutdown request...