/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 17:51:08,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 17:51:08,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 17:51:08,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 17:51:08,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 17:51:08,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 17:51:08,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 17:51:08,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 17:51:08,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 17:51:08,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 17:51:08,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 17:51:08,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 17:51:08,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 17:51:08,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 17:51:08,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 17:51:08,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 17:51:08,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 17:51:08,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 17:51:08,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 17:51:08,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 17:51:08,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 17:51:08,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 17:51:08,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 17:51:08,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 17:51:08,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 17:51:08,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 17:51:08,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 17:51:08,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 17:51:08,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 17:51:08,566 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 17:51:08,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 17:51:08,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 17:51:08,573 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 17:51:08,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 17:51:08,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 17:51:08,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 17:51:08,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 17:51:08,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 17:51:08,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 17:51:08,574 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 17:51:08,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 17:51:08,576 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 17:51:08,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 17:51:08,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 17:51:08,578 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 17:51:08,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 17:51:08,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 17:51:08,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 17:51:08,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 17:51:08,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 17:51:08,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 17:51:08,580 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 17:51:09,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 17:51:09,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 17:51:09,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 17:51:09,160 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 17:51:09,161 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 17:51:09,163 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2020-09-04 17:51:09,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e7ab1033/2c2cf90a18a443ae9bee70646c6889ad/FLAG3bf777078 [2020-09-04 17:51:09,995 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 17:51:09,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2020-09-04 17:51:10,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e7ab1033/2c2cf90a18a443ae9bee70646c6889ad/FLAG3bf777078 [2020-09-04 17:51:10,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5e7ab1033/2c2cf90a18a443ae9bee70646c6889ad [2020-09-04 17:51:10,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 17:51:10,327 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 17:51:10,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 17:51:10,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 17:51:10,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 17:51:10,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 05:51:10" (1/1) ... [2020-09-04 17:51:10,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13482720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:51:10, skipping insertion in model container [2020-09-04 17:51:10,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 05:51:10" (1/1) ... [2020-09-04 17:51:10,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 17:51:10,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 17:51:10,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 17:51:10,692 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 17:51:10,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 17:51:10,743 INFO L208 MainTranslator]: Completed translation [2020-09-04 17:51:10,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:51:10 WrapperNode [2020-09-04 17:51:10,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 17:51:10,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 17:51:10,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 17:51:10,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 17:51:10,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:51:10" (1/1) ... [2020-09-04 17:51:10,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:51:10" (1/1) ... [2020-09-04 17:51:10,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:51:10" (1/1) ... [2020-09-04 17:51:10,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:51:10" (1/1) ... [2020-09-04 17:51:10,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:51:10" (1/1) ... [2020-09-04 17:51:10,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:51:10" (1/1) ... [2020-09-04 17:51:10,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:51:10" (1/1) ... [2020-09-04 17:51:10,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 17:51:10,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 17:51:10,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 17:51:10,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 17:51:10,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:51:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 17:51:10,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 17:51:10,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 17:51:10,990 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 17:51:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 17:51:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 17:51:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 17:51:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 17:51:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 17:51:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 17:51:11,432 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 17:51:11,432 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 17:51:11,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 05:51:11 BoogieIcfgContainer [2020-09-04 17:51:11,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 17:51:11,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 17:51:11,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 17:51:11,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 17:51:11,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 05:51:10" (1/3) ... [2020-09-04 17:51:11,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8aa3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 05:51:11, skipping insertion in model container [2020-09-04 17:51:11,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:51:10" (2/3) ... [2020-09-04 17:51:11,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8aa3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 05:51:11, skipping insertion in model container [2020-09-04 17:51:11,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 05:51:11" (3/3) ... [2020-09-04 17:51:11,448 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2020-09-04 17:51:11,460 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 17:51:11,471 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 17:51:11,493 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 17:51:11,522 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 17:51:11,522 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 17:51:11,522 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 17:51:11,523 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 17:51:11,523 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 17:51:11,523 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 17:51:11,523 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 17:51:11,523 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 17:51:11,544 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2020-09-04 17:51:11,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-09-04 17:51:11,560 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:51:11,562 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 17:51:11,563 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:51:11,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:51:11,571 INFO L82 PathProgramCache]: Analyzing trace with hash 421001685, now seen corresponding path program 1 times [2020-09-04 17:51:11,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:51:11,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [9423620] [2020-09-04 17:51:11,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:51:11,676 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:51:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:51:12,399 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 20 [2020-09-04 17:51:12,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:51:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:51:12,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:51:12,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [9423620] [2020-09-04 17:51:12,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:51:12,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 17:51:12,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082237377] [2020-09-04 17:51:12,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 17:51:12,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:51:12,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 17:51:12,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-04 17:51:12,709 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 7 states. [2020-09-04 17:51:20,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:51:20,137 INFO L93 Difference]: Finished difference Result 220 states and 248 transitions. [2020-09-04 17:51:20,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-04 17:51:20,140 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-09-04 17:51:20,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:51:20,161 INFO L225 Difference]: With dead ends: 220 [2020-09-04 17:51:20,161 INFO L226 Difference]: Without dead ends: 119 [2020-09-04 17:51:20,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-04 17:51:20,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-09-04 17:51:20,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 88. [2020-09-04 17:51:20,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-09-04 17:51:20,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 94 transitions. [2020-09-04 17:51:20,254 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 94 transitions. Word has length 36 [2020-09-04 17:51:20,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:51:20,255 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 94 transitions. [2020-09-04 17:51:20,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 17:51:20,256 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2020-09-04 17:51:20,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-04 17:51:20,258 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:51:20,258 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 17:51:20,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 17:51:20,259 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:51:20,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:51:20,260 INFO L82 PathProgramCache]: Analyzing trace with hash -2025352708, now seen corresponding path program 1 times [2020-09-04 17:51:20,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:51:20,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339984876] [2020-09-04 17:51:20,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:51:20,263 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:51:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:51:20,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:51:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:51:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:51:20,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339984876] [2020-09-04 17:51:20,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:51:20,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 17:51:20,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749039969] [2020-09-04 17:51:20,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 17:51:20,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:51:20,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 17:51:20,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-04 17:51:20,803 INFO L87 Difference]: Start difference. First operand 88 states and 94 transitions. Second operand 7 states. [2020-09-04 17:51:32,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:51:32,092 INFO L93 Difference]: Finished difference Result 184 states and 201 transitions. [2020-09-04 17:51:32,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 17:51:32,092 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-09-04 17:51:32,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:51:32,093 INFO L225 Difference]: With dead ends: 184 [2020-09-04 17:51:32,094 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 17:51:32,097 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-04 17:51:32,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 17:51:32,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 17:51:32,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 17:51:32,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 17:51:32,099 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-09-04 17:51:32,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:51:32,099 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 17:51:32,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 17:51:32,099 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 17:51:32,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 17:51:32,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 17:51:32,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 17:51:32,719 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-04 17:51:32,719 INFO L271 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true [2020-09-04 17:51:32,719 INFO L271 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: true [2020-09-04 17:51:32,719 INFO L271 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-09-04 17:51:32,720 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_22_0~0 |old(~__tmp_22_0~0)|) (= ~__tmp_22_1~0 |old(~__tmp_22_1~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__return_65~0 |old(~__return_65~0)|) (= ~__tmp_25_1~0 |old(~__tmp_25_1~0)|) (= ~__tmp_31_0~0 |old(~__tmp_31_0~0)|) (= ~__tmp_28_0~0 |old(~__tmp_28_0~0)|) (= ~__tmp_25_0~0 |old(~__tmp_25_0~0)|)) [2020-09-04 17:51:32,720 INFO L271 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: true [2020-09-04 17:51:32,720 INFO L271 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: true [2020-09-04 17:51:32,720 INFO L271 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: true [2020-09-04 17:51:32,720 INFO L271 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: true [2020-09-04 17:51:32,720 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-09-04 17:51:32,721 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-09-04 17:51:32,721 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 17:51:32,721 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 17:51:32,721 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-09-04 17:51:32,722 INFO L264 CegarLoopResult]: At program point L93(lines 93 102) the Hoare annotation is: (and (not (= main_~__tmp_1~0 0)) (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)))))))) [2020-09-04 17:51:32,722 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 13 145) the Hoare annotation is: true [2020-09-04 17:51:32,722 INFO L271 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: true [2020-09-04 17:51:32,722 INFO L271 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: true [2020-09-04 17:51:32,723 INFO L271 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: true [2020-09-04 17:51:32,723 INFO L271 CegarLoopResult]: At program point L19-2(line 19) the Hoare annotation is: true [2020-09-04 17:51:32,723 INFO L271 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: true [2020-09-04 17:51:32,723 INFO L271 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: true [2020-09-04 17:51:32,723 INFO L271 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: true [2020-09-04 17:51:32,723 INFO L271 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: true [2020-09-04 17:51:32,724 INFO L264 CegarLoopResult]: At program point L36(line 36) 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))))))) [2020-09-04 17:51:32,724 INFO L271 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: true [2020-09-04 17:51:32,724 INFO L264 CegarLoopResult]: At program point L86(lines 86 108) 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))))))) [2020-09-04 17:51:32,725 INFO L271 CegarLoopResult]: At program point L20(lines 20 144) the Hoare annotation is: true [2020-09-04 17:51:32,725 INFO L271 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: true [2020-09-04 17:51:32,725 INFO L264 CegarLoopResult]: At program point L45(lines 45 82) 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))))))) [2020-09-04 17:51:32,725 INFO L271 CegarLoopResult]: At program point L136(lines 14 145) the Hoare annotation is: true [2020-09-04 17:51:32,726 INFO L271 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: true [2020-09-04 17:51:32,726 INFO L264 CegarLoopResult]: At program point L37(line 37) 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))))))) [2020-09-04 17:51:32,726 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: false [2020-09-04 17:51:32,726 INFO L271 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: true [2020-09-04 17:51:32,727 INFO L264 CegarLoopResult]: At program point L54(lines 54 81) 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))))))) [2020-09-04 17:51:32,727 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 13 145) the Hoare annotation is: true [2020-09-04 17:51:32,727 INFO L271 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: true [2020-09-04 17:51:32,727 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) the Hoare annotation is: false [2020-09-04 17:51:32,728 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: false [2020-09-04 17:51:32,728 INFO L271 CegarLoopResult]: At program point L63(line 63) the Hoare annotation is: true [2020-09-04 17:51:32,728 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 145) the Hoare annotation is: (and (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0)) [2020-09-04 17:51:32,728 INFO L271 CegarLoopResult]: At program point L121(lines 33 138) the Hoare annotation is: true [2020-09-04 17:51:32,728 INFO L271 CegarLoopResult]: At program point L22(lines 22 139) the Hoare annotation is: true [2020-09-04 17:51:32,729 INFO L271 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: true [2020-09-04 17:51:32,729 INFO L264 CegarLoopResult]: At program point L47(line 47) the Hoare annotation is: false [2020-09-04 17:51:32,729 INFO L271 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: true [2020-09-04 17:51:32,729 INFO L271 CegarLoopResult]: At program point L64(line 64) the Hoare annotation is: true [2020-09-04 17:51:32,729 INFO L271 CegarLoopResult]: At program point L64-1(line 64) the Hoare annotation is: true [2020-09-04 17:51:32,729 INFO L271 CegarLoopResult]: At program point L64-2(line 64) the Hoare annotation is: true [2020-09-04 17:51:32,730 INFO L264 CegarLoopResult]: At program point L89(line 89) 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))))))) [2020-09-04 17:51:32,730 INFO L264 CegarLoopResult]: At program point L56(line 56) the Hoare annotation is: false [2020-09-04 17:51:32,730 INFO L271 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: true [2020-09-04 17:51:32,730 INFO L271 CegarLoopResult]: At program point L114-1(line 114) the Hoare annotation is: true [2020-09-04 17:51:32,730 INFO L264 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: false [2020-09-04 17:51:32,731 INFO L271 CegarLoopResult]: At program point L114-2(line 114) the Hoare annotation is: true [2020-09-04 17:51:32,731 INFO L264 CegarLoopResult]: At program point L40(lines 22 139) 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))))))) [2020-09-04 17:51:32,731 INFO L271 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: true [2020-09-04 17:51:32,731 INFO L271 CegarLoopResult]: At program point L65(lines 65 80) the Hoare annotation is: true [2020-09-04 17:51:32,731 INFO L271 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: true [2020-09-04 17:51:32,732 INFO L264 CegarLoopResult]: At program point L90(line 90) 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))))))) [2020-09-04 17:51:32,732 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: false [2020-09-04 17:51:32,732 INFO L264 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (div main_~main__x~0 4294967296))) (let ((.cse3 (* .cse1 (- 4294967296)))) (let ((.cse2 (div (+ .cse3 main_~main__x~0) 3))) (+ (* 4294967296 .cse1) (* 3 .cse2) (* 4294967296 (div (+ .cse3 (* .cse2 (- 3)) main_~main__x~0) 4294967296)) 1)))))) (and (<= main_~main__x~0 .cse0) (<= .cse0 main_~main__x~0))) [2020-09-04 17:51:32,732 INFO L271 CegarLoopResult]: At program point L115(lines 115 137) the Hoare annotation is: true [2020-09-04 17:51:32,733 INFO L264 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: false [2020-09-04 17:51:32,733 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (and (= |old(~__tmp_22_1~0)| ~__tmp_22_1~0) (= |old(~__tmp_22_0~0)| ~__tmp_22_0~0) (= |old(~__return_65~0)| ~__return_65~0) (= |old(~__tmp_25_1~0)| ~__tmp_25_1~0) (= |old(~__tmp_25_0~0)| ~__tmp_25_0~0) (= |old(~__tmp_31_0~0)| ~__tmp_31_0~0) (= |old(~__tmp_28_0~0)| ~__tmp_28_0~0)) [2020-09-04 17:51:32,733 INFO L271 CegarLoopResult]: At program point L107(line 107) the Hoare annotation is: true [2020-09-04 17:51:32,733 INFO L271 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: true [2020-09-04 17:51:32,733 INFO L271 CegarLoopResult]: At program point L33(lines 33 138) the Hoare annotation is: true [2020-09-04 17:51:32,734 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (and (not (= main_~__tmp_1~0 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)))))))) [2020-09-04 17:51:32,734 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: false [2020-09-04 17:51:32,734 INFO L264 CegarLoopResult]: At program point L25(line 25) 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))))))) [2020-09-04 17:51:32,734 INFO L264 CegarLoopResult]: At program point L50(lines 22 139) 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))))))) [2020-09-04 17:51:32,735 INFO L271 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: true [2020-09-04 17:51:32,735 INFO L264 CegarLoopResult]: At program point L42(line 42) 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))))))) [2020-09-04 17:51:32,735 INFO L264 CegarLoopResult]: At program point L42-1(line 42) 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))))))) [2020-09-04 17:51:32,735 INFO L264 CegarLoopResult]: At program point L42-2(line 42) 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))))))) [2020-09-04 17:51:32,736 INFO L271 CegarLoopResult]: At program point L133(lines 33 138) the Hoare annotation is: true [2020-09-04 17:51:32,736 INFO L264 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: (not (= main_~__VERIFIER_assert__cond~0 0)) [2020-09-04 17:51:32,736 INFO L271 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: true [2020-09-04 17:51:32,736 INFO L264 CegarLoopResult]: At program point L92(line 92) the Hoare annotation is: (and (not (= main_~__tmp_1~0 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)))))))) [2020-09-04 17:51:32,737 INFO L264 CegarLoopResult]: At program point L59(lines 34 110) 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))))))) [2020-09-04 17:51:32,737 INFO L264 CegarLoopResult]: At program point L26(line 26) 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))))))) [2020-09-04 17:51:32,737 INFO L271 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: true [2020-09-04 17:51:32,737 INFO L271 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: true [2020-09-04 17:51:32,738 INFO L264 CegarLoopResult]: At program point L43(lines 43 109) 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))))))) [2020-09-04 17:51:32,738 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (not (= main_~__VERIFIER_assert__cond~0 0)) [2020-09-04 17:51:32,738 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-09-04 17:51:32,738 INFO L264 CegarLoopResult]: At program point L35(line 35) the Hoare annotation is: (<= (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)) 2)))) main_~main__x~0) [2020-09-04 17:51:32,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 05:51:32 BoogieIcfgContainer [2020-09-04 17:51:32,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 17:51:32,777 INFO L168 Benchmark]: Toolchain (without parser) took 22450.61 ms. Allocated memory was 138.9 MB in the beginning and 247.5 MB in the end (delta: 108.5 MB). Free memory was 102.3 MB in the beginning and 168.7 MB in the end (delta: -66.4 MB). Peak memory consumption was 42.2 MB. Max. memory is 7.1 GB. [2020-09-04 17:51:32,779 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 138.9 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-09-04 17:51:32,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.75 ms. Allocated memory is still 138.9 MB. Free memory was 102.1 MB in the beginning and 91.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-09-04 17:51:32,781 INFO L168 Benchmark]: Boogie Preprocessor took 142.49 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 91.6 MB in the beginning and 181.4 MB in the end (delta: -89.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-09-04 17:51:32,782 INFO L168 Benchmark]: RCFGBuilder took 550.64 ms. Allocated memory is still 203.4 MB. Free memory was 181.4 MB in the beginning and 161.2 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-09-04 17:51:32,784 INFO L168 Benchmark]: TraceAbstraction took 21334.38 ms. Allocated memory was 203.4 MB in the beginning and 247.5 MB in the end (delta: 44.0 MB). Free memory was 161.2 MB in the beginning and 168.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2020-09-04 17:51:32,789 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 138.9 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 415.75 ms. Allocated memory is still 138.9 MB. Free memory was 102.1 MB in the beginning and 91.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 142.49 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 91.6 MB in the beginning and 181.4 MB in the end (delta: -89.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 550.64 ms. Allocated memory is still 203.4 MB. Free memory was 181.4 MB in the beginning and 161.2 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21334.38 ms. Allocated memory was 203.4 MB in the beginning and 247.5 MB in the end (delta: 44.0 MB). Free memory was 161.2 MB in the beginning and 168.7 MB in the end (delta: -7.4 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 95]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 34]: 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: 22]: 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: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: 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: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 13]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 18.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 174 SDtfs, 94 SDslu, 434 SDs, 0 SdLazy, 485 SolverSat, 10 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 17.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 31 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 89 LocationsWithAnnotation, 89 PreInvPairs, 198 NumberOfFragments, 1065 HoareAnnotationTreeSize, 89 FomulaSimplifications, 1034 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 89 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.3s 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...