/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-a47f07a [2021-04-16 07:24:39,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-16 07:24:39,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-16 07:24:39,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-16 07:24:39,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-16 07:24:39,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-16 07:24:39,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-16 07:24:39,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-16 07:24:39,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-16 07:24:39,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-16 07:24:39,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-16 07:24:39,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-16 07:24:39,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-16 07:24:39,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-16 07:24:39,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-16 07:24:39,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-16 07:24:39,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-16 07:24:39,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-16 07:24:39,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-16 07:24:39,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-16 07:24:39,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-16 07:24:39,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-16 07:24:39,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-16 07:24:39,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-16 07:24:39,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-16 07:24:39,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-16 07:24:39,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-16 07:24:39,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-16 07:24:39,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-16 07:24:39,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-16 07:24:39,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-16 07:24:39,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-16 07:24:39,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-16 07:24:39,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-16 07:24:39,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-16 07:24:39,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-16 07:24:39,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-16 07:24:39,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-16 07:24:39,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-16 07:24:39,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-16 07:24:39,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-16 07:24:39,167 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-04-16 07:24:39,181 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-16 07:24:39,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-16 07:24:39,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-16 07:24:39,185 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-16 07:24:39,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-16 07:24:39,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-16 07:24:39,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-16 07:24:39,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-16 07:24:39,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-16 07:24:39,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-16 07:24:39,186 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-16 07:24:39,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-16 07:24:39,186 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-16 07:24:39,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-16 07:24:39,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-16 07:24:39,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-16 07:24:39,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-16 07:24:39,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-16 07:24:39,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-16 07:24:39,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-16 07:24:39,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-04-16 07:24:39,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-16 07:24:39,187 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-04-16 07:24:39,187 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-16 07:24:39,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-16 07:24:39,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-16 07:24:39,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-16 07:24:39,474 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-16 07:24:39,475 INFO L275 PluginConnector]: CDTParser initialized [2021-04-16 07:24:39,476 INFO L432 ainManager$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 [2021-04-16 07:24:39,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c4401b44/ad4745f2ecc4451f855e46f2395430ce/FLAGf76f19e01 [2021-04-16 07:24:39,910 INFO L306 CDTParser]: Found 1 translation units. [2021-04-16 07:24:39,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2021-04-16 07:24:39,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c4401b44/ad4745f2ecc4451f855e46f2395430ce/FLAGf76f19e01 [2021-04-16 07:24:39,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c4401b44/ad4745f2ecc4451f855e46f2395430ce [2021-04-16 07:24:39,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-16 07:24:39,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-16 07:24:39,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-16 07:24:39,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-16 07:24:39,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-16 07:24:39,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 07:24:39" (1/1) ... [2021-04-16 07:24:39,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6ee382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:24:39, skipping insertion in model container [2021-04-16 07:24:39,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 07:24:39" (1/1) ... [2021-04-16 07:24:39,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-16 07:24:39,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-16 07:24:40,109 WARN L226 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] [2021-04-16 07:24:40,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 07:24:40,121 INFO L203 MainTranslator]: Completed pre-run [2021-04-16 07:24:40,134 WARN L226 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] [2021-04-16 07:24:40,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 07:24:40,216 INFO L208 MainTranslator]: Completed translation [2021-04-16 07:24:40,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:24:40 WrapperNode [2021-04-16 07:24:40,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-16 07:24:40,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-16 07:24:40,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-16 07:24:40,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-16 07:24:40,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:24:40" (1/1) ... [2021-04-16 07:24:40,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:24:40" (1/1) ... [2021-04-16 07:24:40,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:24:40" (1/1) ... [2021-04-16 07:24:40,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:24:40" (1/1) ... [2021-04-16 07:24:40,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:24:40" (1/1) ... [2021-04-16 07:24:40,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:24:40" (1/1) ... [2021-04-16 07:24:40,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:24:40" (1/1) ... [2021-04-16 07:24:40,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-16 07:24:40,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-16 07:24:40,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-16 07:24:40,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-16 07:24:40,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:24:40" (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 [2021-04-16 07:24:40,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-04-16 07:24:40,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-16 07:24:40,354 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-04-16 07:24:40,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-04-16 07:24:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-04-16 07:24:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-04-16 07:24:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-04-16 07:24:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-16 07:24:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-04-16 07:24:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-04-16 07:24:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-04-16 07:24:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-04-16 07:24:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-16 07:24:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-16 07:24:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-16 07:24:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-16 07:24:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-16 07:24:40,622 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-16 07:24:40,622 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-04-16 07:24:40,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 07:24:40 BoogieIcfgContainer [2021-04-16 07:24:40,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-16 07:24:40,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-16 07:24:40,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-16 07:24:40,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-16 07:24:40,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.04 07:24:39" (1/3) ... [2021-04-16 07:24:40,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca35d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 07:24:40, skipping insertion in model container [2021-04-16 07:24:40,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:24:40" (2/3) ... [2021-04-16 07:24:40,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ca35d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 07:24:40, skipping insertion in model container [2021-04-16 07:24:40,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 07:24:40" (3/3) ... [2021-04-16 07:24:40,629 INFO L111 eAbstractionObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c [2021-04-16 07:24:40,633 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-04-16 07:24:40,636 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-16 07:24:40,648 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-04-16 07:24:40,671 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-16 07:24:40,671 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-16 07:24:40,671 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-04-16 07:24:40,672 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-16 07:24:40,672 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-16 07:24:40,672 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-16 07:24:40,672 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-16 07:24:40,672 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-16 07:24:40,688 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) [2021-04-16 07:24:40,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-04-16 07:24:40,693 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:24:40,694 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 07:24:40,694 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:24:40,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:24:40,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1261463571, now seen corresponding path program 1 times [2021-04-16 07:24:40,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:24:40,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589773166] [2021-04-16 07:24:40,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:24:40,760 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 07:24:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:24:40,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:24:40,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:24:40,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:24:40,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-04-16 07:24:41,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:24:41,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:24:41,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:24:41,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:24:41,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 07:24:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:24:41,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:24:41,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:24:41,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 07:24:41,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589773166] [2021-04-16 07:24:41,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 07:24:41,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-16 07:24:41,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118183964] [2021-04-16 07:24:41,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-16 07:24:41,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 07:24:41,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-16 07:24:41,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-16 07:24:41,141 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) [2021-04-16 07:24:41,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 07:24:41,563 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2021-04-16 07:24:41,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 07:24:41,564 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 [2021-04-16 07:24:41,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 07:24:41,568 INFO L225 Difference]: With dead ends: 59 [2021-04-16 07:24:41,568 INFO L226 Difference]: Without dead ends: 0 [2021-04-16 07:24:41,571 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 98.1ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-16 07:24:41,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-04-16 07:24:41,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-04-16 07:24:41,587 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) [2021-04-16 07:24:41,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-04-16 07:24:41,588 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-04-16 07:24:41,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 07:24:41,588 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-04-16 07:24:41,588 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) [2021-04-16 07:24:41,589 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-04-16 07:24:41,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-04-16 07:24:41,589 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-16 07:24:41,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-04-16 07:24:41,791 INFO L198 CegarLoopUtils]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2021-04-16 07:24:41,792 INFO L198 CegarLoopUtils]: For program point reach_errorENTRY(line 4) no Hoare annotation was computed. [2021-04-16 07:24:41,792 INFO L198 CegarLoopUtils]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2021-04-16 07:24:41,792 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-04-16 07:24:41,792 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)|)) [2021-04-16 07:24:41,792 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-04-16 07:24:41,793 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-04-16 07:24:41,793 INFO L201 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-04-16 07:24:41,793 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-04-16 07:24:41,793 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-04-16 07:24:41,793 INFO L194 CegarLoopUtils]: At program point L97(lines 97 106) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~0 0)) (<= 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)))))))) [2021-04-16 07:24:41,793 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))))))) [2021-04-16 07:24:41,793 INFO L201 CegarLoopUtils]: At program point mainEXIT(lines 16 151) the Hoare annotation is: true [2021-04-16 07:24:41,793 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))))))) [2021-04-16 07:24:41,794 INFO L201 CegarLoopUtils]: At program point L23(lines 23 150) the Hoare annotation is: true [2021-04-16 07:24:41,794 INFO L194 CegarLoopUtils]: At program point L48(lines 48 85) 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))))))) [2021-04-16 07:24:41,794 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))))))) [2021-04-16 07:24:41,794 INFO L194 CegarLoopUtils]: At program point L90(lines 90 112) 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))))))) [2021-04-16 07:24:41,795 INFO L194 CegarLoopUtils]: At program point L37(lines 37 113) 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))))))) [2021-04-16 07:24:41,795 INFO L194 CegarLoopUtils]: At program point L99(line 99) the Hoare annotation is: false [2021-04-16 07:24:41,795 INFO L201 CegarLoopUtils]: At program point L128(lines 128 143) the Hoare annotation is: true [2021-04-16 07:24:41,796 INFO L194 CegarLoopUtils]: At program point L62(lines 62 84) 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))))))) [2021-04-16 07:24:41,796 INFO L201 CegarLoopUtils]: At program point L25(lines 25 145) the Hoare annotation is: true [2021-04-16 07:24:41,796 INFO L201 CegarLoopUtils]: At program point L83(lines 17 151) the Hoare annotation is: true [2021-04-16 07:24:41,797 INFO L201 CegarLoopUtils]: At program point mainFINAL(lines 16 151) the Hoare annotation is: true [2021-04-16 07:24:41,797 INFO L194 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 99) the Hoare annotation is: false [2021-04-16 07:24:41,797 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)|)) [2021-04-16 07:24:41,797 INFO L201 CegarLoopUtils]: At program point L117(lines 117 144) the Hoare annotation is: true [2021-04-16 07:24:41,797 INFO L201 CegarLoopUtils]: At program point L142(lines 25 145) the Hoare annotation is: true [2021-04-16 07:24:41,798 INFO L194 CegarLoopUtils]: At program point L39(lines 39 86) 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))))))) [2021-04-16 07:24:41,798 INFO L201 CegarLoopUtils]: At program point L134(lines 25 145) the Hoare annotation is: true [2021-04-16 07:24:41,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.04 07:24:41 BoogieIcfgContainer [2021-04-16 07:24:41,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-16 07:24:41,822 INFO L168 Benchmark]: Toolchain (without parser) took 1892.37 ms. Allocated memory is still 186.6 MB. Free memory was 152.3 MB in the beginning and 64.4 MB in the end (delta: 87.9 MB). Peak memory consumption was 89.4 MB. Max. memory is 8.0 GB. [2021-04-16 07:24:41,822 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 186.6 MB. Free memory is still 169.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-04-16 07:24:41,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.24 ms. Allocated memory is still 186.6 MB. Free memory was 152.1 MB in the beginning and 170.3 MB in the end (delta: -18.2 MB). Peak memory consumption was 19.1 MB. Max. memory is 8.0 GB. [2021-04-16 07:24:41,823 INFO L168 Benchmark]: Boogie Preprocessor took 53.24 ms. Allocated memory is still 186.6 MB. Free memory was 170.3 MB in the beginning and 168.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-04-16 07:24:41,824 INFO L168 Benchmark]: RCFGBuilder took 351.80 ms. Allocated memory is still 186.6 MB. Free memory was 168.8 MB in the beginning and 150.9 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-04-16 07:24:41,824 INFO L168 Benchmark]: TraceAbstraction took 1195.65 ms. Allocated memory is still 186.6 MB. Free memory was 150.4 MB in the beginning and 64.4 MB in the end (delta: 86.0 MB). Peak memory consumption was 86.0 MB. Max. memory is 8.0 GB. [2021-04-16 07:24:41,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 186.6 MB. Free memory is still 169.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 287.24 ms. Allocated memory is still 186.6 MB. Free memory was 152.1 MB in the beginning and 170.3 MB in the end (delta: -18.2 MB). Peak memory consumption was 19.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 53.24 ms. Allocated memory is still 186.6 MB. Free memory was 170.3 MB in the beginning and 168.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 351.80 ms. Allocated memory is still 186.6 MB. Free memory was 168.8 MB in the beginning and 150.9 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1195.65 ms. Allocated memory is still 186.6 MB. Free memory was 150.4 MB in the beginning and 64.4 MB in the end (delta: 86.0 MB). Peak memory consumption was 86.0 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: 920.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 10.1ms, AutomataDifference: 440.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 201.5ms, InitialAbstractionConstructionTime: 10.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 28 SDtfs, 17 SDslu, 32 SDs, 0 SdLazy, 63 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 346.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 98.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 6.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 59 NumberOfFragments, 474 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 45.1ms HoareSimplificationTime, 28 FomulaSimplificationsInter, 33 FormulaSimplificationTreeSizeReductionInter, 147.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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) - ProcedureContractResult [Line: 16]: Procedure Contract for main Derived contract for procedure main: 1 RESULT: Ultimate proved your program to be correct! Received shutdown request...