/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 23:22:04,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 23:22:04,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 23:22:04,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 23:22:04,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 23:22:04,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 23:22:04,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 23:22:04,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 23:22:04,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 23:22:04,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 23:22:04,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 23:22:04,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 23:22:04,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 23:22:04,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 23:22:04,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 23:22:04,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 23:22:04,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 23:22:04,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 23:22:04,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 23:22:04,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 23:22:04,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 23:22:04,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 23:22:04,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 23:22:04,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 23:22:04,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 23:22:04,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 23:22:04,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 23:22:04,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 23:22:04,440 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 23:22:04,463 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 23:22:04,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 23:22:04,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 23:22:04,466 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 23:22:04,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 23:22:04,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 23:22:04,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 23:22:04,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 23:22:04,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 23:22:04,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 23:22:04,469 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 23:22:04,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 23:22:04,470 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 23:22:04,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 23:22:04,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 23:22:04,471 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 23:22:04,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 23:22:04,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 23:22:04,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 23:22:04,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 23:22:04,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 23:22:04,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 23:22:04,472 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 23:22:04,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 23:22:05,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 23:22:05,013 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 23:22:05,016 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 23:22:05,016 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 23:22:05,018 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2020-09-04 23:22:05,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/131fbeb3b/262c085c0ebc45e2b21d4675a20b9992/FLAG45fef48e9 [2020-09-04 23:22:05,787 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 23:22:05,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2020-09-04 23:22:05,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/131fbeb3b/262c085c0ebc45e2b21d4675a20b9992/FLAG45fef48e9 [2020-09-04 23:22:06,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/131fbeb3b/262c085c0ebc45e2b21d4675a20b9992 [2020-09-04 23:22:06,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 23:22:06,130 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 23:22:06,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 23:22:06,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 23:22:06,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 23:22:06,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:22:06" (1/1) ... [2020-09-04 23:22:06,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f7f464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:22:06, skipping insertion in model container [2020-09-04 23:22:06,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:22:06" (1/1) ... [2020-09-04 23:22:06,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 23:22:06,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 23:22:06,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 23:22:06,536 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 23:22:06,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 23:22:06,587 INFO L208 MainTranslator]: Completed translation [2020-09-04 23:22:06,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:22:06 WrapperNode [2020-09-04 23:22:06,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 23:22:06,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 23:22:06,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 23:22:06,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 23:22:06,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:22:06" (1/1) ... [2020-09-04 23:22:06,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:22:06" (1/1) ... [2020-09-04 23:22:06,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:22:06" (1/1) ... [2020-09-04 23:22:06,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:22:06" (1/1) ... [2020-09-04 23:22:06,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:22:06" (1/1) ... [2020-09-04 23:22:06,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:22:06" (1/1) ... [2020-09-04 23:22:06,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:22:06" (1/1) ... [2020-09-04 23:22:06,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 23:22:06,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 23:22:06,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 23:22:06,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 23:22:06,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:22:06" (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 23:22:06,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 23:22:06,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 23:22:06,850 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 23:22:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 23:22:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 23:22:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 23:22:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 23:22:06,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 23:22:06,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 23:22:07,363 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 23:22:07,364 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 23:22:07,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:22:07 BoogieIcfgContainer [2020-09-04 23:22:07,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 23:22:07,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 23:22:07,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 23:22:07,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 23:22:07,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 11:22:06" (1/3) ... [2020-09-04 23:22:07,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53076044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:22:07, skipping insertion in model container [2020-09-04 23:22:07,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:22:06" (2/3) ... [2020-09-04 23:22:07,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53076044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:22:07, skipping insertion in model container [2020-09-04 23:22:07,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:22:07" (3/3) ... [2020-09-04 23:22:07,384 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c [2020-09-04 23:22:07,399 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 23:22:07,413 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 23:22:07,441 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 23:22:07,473 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 23:22:07,474 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 23:22:07,474 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 23:22:07,474 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 23:22:07,474 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 23:22:07,474 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 23:22:07,474 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 23:22:07,475 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 23:22:07,496 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2020-09-04 23:22:07,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-04 23:22:07,512 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:22:07,514 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, 1, 1] [2020-09-04 23:22:07,515 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:22:07,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:22:07,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1887694174, now seen corresponding path program 1 times [2020-09-04 23:22:07,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:22:07,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607927551] [2020-09-04 23:22:07,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:22:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:22:08,281 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 20 [2020-09-04 23:22:08,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:22:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:22:08,473 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 23:22:08,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607927551] [2020-09-04 23:22:08,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 23:22:08,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 23:22:08,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932783024] [2020-09-04 23:22:08,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 23:22:08,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:22:08,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 23:22:08,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-04 23:22:08,518 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 7 states. [2020-09-04 23:22:15,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:22:15,966 INFO L93 Difference]: Finished difference Result 229 states and 257 transitions. [2020-09-04 23:22:15,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-04 23:22:15,972 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2020-09-04 23:22:15,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:22:16,003 INFO L225 Difference]: With dead ends: 229 [2020-09-04 23:22:16,004 INFO L226 Difference]: Without dead ends: 125 [2020-09-04 23:22:16,015 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 23:22:16,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-09-04 23:22:16,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2020-09-04 23:22:16,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-09-04 23:22:16,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 100 transitions. [2020-09-04 23:22:16,163 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 100 transitions. Word has length 39 [2020-09-04 23:22:16,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:22:16,165 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 100 transitions. [2020-09-04 23:22:16,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 23:22:16,165 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2020-09-04 23:22:16,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-04 23:22:16,169 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:22:16,170 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, 1, 1, 1] [2020-09-04 23:22:16,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 23:22:16,171 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:22:16,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:22:16,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1677432442, now seen corresponding path program 1 times [2020-09-04 23:22:16,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:22:16,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1390434665] [2020-09-04 23:22:16,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:22:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:22:16,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:22:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:22:16,842 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 23:22:16,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1390434665] [2020-09-04 23:22:16,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 23:22:16,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 23:22:16,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104498630] [2020-09-04 23:22:16,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 23:22:16,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:22:16,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 23:22:16,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-04 23:22:16,848 INFO L87 Difference]: Start difference. First operand 94 states and 100 transitions. Second operand 7 states. [2020-09-04 23:22:28,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:22:28,166 INFO L93 Difference]: Finished difference Result 194 states and 211 transitions. [2020-09-04 23:22:28,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 23:22:28,169 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-09-04 23:22:28,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:22:28,171 INFO L225 Difference]: With dead ends: 194 [2020-09-04 23:22:28,171 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 23:22:28,174 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 23:22:28,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 23:22:28,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 23:22:28,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 23:22:28,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 23:22:28,178 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2020-09-04 23:22:28,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:22:28,178 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 23:22:28,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 23:22:28,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 23:22:28,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 23:22:28,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 23:22:28,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 23:22:28,760 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-04 23:22:28,760 INFO L271 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: true [2020-09-04 23:22:28,760 INFO L271 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true [2020-09-04 23:22:28,760 INFO L271 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: true [2020-09-04 23:22:28,761 INFO L271 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-09-04 23:22:28,762 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= ~__tmp_91_0~0 |old(~__tmp_91_0~0)|) (= ~__return_121~0 |old(~__return_121~0)|) (= ~__tmp_88_0~0 |old(~__tmp_88_0~0)|) (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_93_0~0 |old(~__tmp_93_0~0)|) (= ~__tmp_112_0~0 |old(~__tmp_112_0~0)|) (= ~__tmp_94_0~0 |old(~__tmp_94_0~0)|)) [2020-09-04 23:22:28,763 INFO L271 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: true [2020-09-04 23:22:28,763 INFO L271 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: true [2020-09-04 23:22:28,763 INFO L271 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: true [2020-09-04 23:22:28,764 INFO L271 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: true [2020-09-04 23:22:28,764 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-09-04 23:22:28,764 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-09-04 23:22:28,764 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 23:22:28,765 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 23:22:28,766 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-09-04 23:22:28,766 INFO L271 CegarLoopResult]: At program point L126(lines 126 141) the Hoare annotation is: true [2020-09-04 23:22:28,767 INFO L264 CegarLoopResult]: At program point L93(line 93) 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 23:22:28,767 INFO L271 CegarLoopResult]: At program point L60(lines 60 82) the Hoare annotation is: true [2020-09-04 23:22:28,767 INFO L264 CegarLoopResult]: At program point L27(line 27) 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 23:22:28,767 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 14 149) the Hoare annotation is: true [2020-09-04 23:22:28,767 INFO L264 CegarLoopResult]: At program point L118(line 118) 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 23:22:28,768 INFO L271 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: true [2020-09-04 23:22:28,768 INFO L264 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (not (= main_~__VERIFIER_assert__cond~0 0)) [2020-09-04 23:22:28,768 INFO L264 CegarLoopResult]: At program point L94(line 94) 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 23:22:28,769 INFO L264 CegarLoopResult]: At program point L119(line 119) 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 23:22:28,770 INFO L264 CegarLoopResult]: At program point L53(line 53) 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 23:22:28,770 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true [2020-09-04 23:22:28,773 INFO L271 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: true [2020-09-04 23:22:28,773 INFO L271 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: true [2020-09-04 23:22:28,773 INFO L271 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: true [2020-09-04 23:22:28,773 INFO L264 CegarLoopResult]: At program point L103(line 103) the Hoare annotation is: (not (= main_~__VERIFIER_assert__cond~0 0)) [2020-09-04 23:22:28,774 INFO L264 CegarLoopResult]: At program point L37(lines 37 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))))))) [2020-09-04 23:22:28,774 INFO L271 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: true [2020-09-04 23:22:28,774 INFO L264 CegarLoopResult]: At program point L95(lines 95 104) 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 23:22:28,774 INFO L271 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: true [2020-09-04 23:22:28,774 INFO L264 CegarLoopResult]: At program point L120(lines 23 143) 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 23:22:28,776 INFO L264 CegarLoopResult]: At program point L54(lines 24 112) 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))))))) [2020-09-04 23:22:28,776 INFO L271 CegarLoopResult]: At program point L21(lines 21 148) the Hoare annotation is: true [2020-09-04 23:22:28,776 INFO L264 CegarLoopResult]: At program point L46(lines 46 83) 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 23:22:28,776 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 14 149) the Hoare annotation is: true [2020-09-04 23:22:28,777 INFO L271 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: true [2020-09-04 23:22:28,777 INFO L271 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: true [2020-09-04 23:22:28,777 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) the Hoare annotation is: false [2020-09-04 23:22:28,778 INFO L271 CegarLoopResult]: At program point L63(line 63) the Hoare annotation is: true [2020-09-04 23:22:28,778 INFO L264 CegarLoopResult]: At program point L30(line 30) 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 23:22:28,778 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 14 149) the Hoare annotation is: (and (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= ~__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)|)) [2020-09-04 23:22:28,779 INFO L264 CegarLoopResult]: At program point L88(lines 88 110) 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 23:22:28,780 INFO L271 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: true [2020-09-04 23:22:28,780 INFO L271 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: true [2020-09-04 23:22:28,780 INFO L264 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: false [2020-09-04 23:22:28,780 INFO L271 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: true [2020-09-04 23:22:28,780 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: false [2020-09-04 23:22:28,780 INFO L271 CegarLoopResult]: At program point L64(line 64) the Hoare annotation is: true [2020-09-04 23:22:28,781 INFO L271 CegarLoopResult]: At program point L23(lines 23 143) the Hoare annotation is: true [2020-09-04 23:22:28,781 INFO L271 CegarLoopResult]: At program point L147(line 147) the Hoare annotation is: true [2020-09-04 23:22:28,781 INFO L271 CegarLoopResult]: At program point L81(lines 15 149) the Hoare annotation is: true [2020-09-04 23:22:28,781 INFO L264 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: false [2020-09-04 23:22:28,781 INFO L271 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: true [2020-09-04 23:22:28,782 INFO L264 CegarLoopResult]: At program point L40(line 40) the Hoare annotation is: false [2020-09-04 23:22:28,782 INFO L271 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: true [2020-09-04 23:22:28,782 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: false [2020-09-04 23:22:28,783 INFO L271 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: true [2020-09-04 23:22:28,783 INFO L271 CegarLoopResult]: At program point L115(lines 115 142) the Hoare annotation is: true [2020-09-04 23:22:28,783 INFO L264 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: false [2020-09-04 23:22:28,783 INFO L271 CegarLoopResult]: At program point L140(lines 23 143) the Hoare annotation is: true [2020-09-04 23:22:28,783 INFO L271 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: true [2020-09-04 23:22:28,783 INFO L264 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: false [2020-09-04 23:22:28,784 INFO L271 CegarLoopResult]: At program point L132(lines 23 143) the Hoare annotation is: true [2020-09-04 23:22:28,784 INFO L264 CegarLoopResult]: At program point L33(line 33) 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 23:22:28,784 INFO L271 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: true [2020-09-04 23:22:28,784 INFO L264 CegarLoopResult]: At program point L91(line 91) 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 23:22:28,784 INFO L271 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: true [2020-09-04 23:22:28,785 INFO L264 CegarLoopResult]: At program point L25(line 25) 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 23:22:28,785 INFO L264 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: false [2020-09-04 23:22:28,785 INFO L264 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (and (= ~__tmp_88_1~0 |old(~__tmp_88_1~0)|) (= ~__tmp_91_1~0 |old(~__tmp_91_1~0)|) (= |old(~__tmp_112_0~0)| ~__tmp_112_0~0) (= ~__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)|)) [2020-09-04 23:22:28,785 INFO L271 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: true [2020-09-04 23:22:28,786 INFO L264 CegarLoopResult]: At program point L42(lines 24 112) 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))))))) [2020-09-04 23:22:28,786 INFO L264 CegarLoopResult]: At program point L34(line 34) 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 23:22:28,786 INFO L264 CegarLoopResult]: At program point L34-1(line 34) 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 23:22:28,786 INFO L264 CegarLoopResult]: At program point L34-2(line 34) 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 23:22:28,787 INFO L271 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: true [2020-09-04 23:22:28,787 INFO L264 CegarLoopResult]: At program point L92(line 92) 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 23:22:28,787 INFO L271 CegarLoopResult]: At program point L125-1(line 125) the Hoare annotation is: true [2020-09-04 23:22:28,787 INFO L271 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: true [2020-09-04 23:22:28,787 INFO L271 CegarLoopResult]: At program point L125-2(line 125) the Hoare annotation is: true [2020-09-04 23:22:28,787 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 23:22:28,788 INFO L271 CegarLoopResult]: At program point L59-1(line 59) the Hoare annotation is: true [2020-09-04 23:22:28,788 INFO L271 CegarLoopResult]: At program point L59-2(line 59) the Hoare annotation is: true [2020-09-04 23:22:28,788 INFO L264 CegarLoopResult]: At program point L117(line 117) 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 23:22:28,789 INFO L271 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: true [2020-09-04 23:22:28,791 INFO L271 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: true [2020-09-04 23:22:28,791 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-09-04 23:22:28,791 INFO L264 CegarLoopResult]: At program point L35(lines 35 111) 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 23:22:28,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 11:22:28 BoogieIcfgContainer [2020-09-04 23:22:28,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 23:22:28,852 INFO L168 Benchmark]: Toolchain (without parser) took 22721.85 ms. Allocated memory was 146.3 MB in the beginning and 246.4 MB in the end (delta: 100.1 MB). Free memory was 103.8 MB in the beginning and 154.0 MB in the end (delta: -50.2 MB). Peak memory consumption was 49.9 MB. Max. memory is 7.1 GB. [2020-09-04 23:22:28,853 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 146.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 23:22:28,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.89 ms. Allocated memory is still 146.3 MB. Free memory was 103.6 MB in the beginning and 92.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-09-04 23:22:28,855 INFO L168 Benchmark]: Boogie Preprocessor took 163.59 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 92.8 MB in the beginning and 181.5 MB in the end (delta: -88.7 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-09-04 23:22:28,856 INFO L168 Benchmark]: RCFGBuilder took 617.93 ms. Allocated memory is still 203.4 MB. Free memory was 181.5 MB in the beginning and 159.8 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-09-04 23:22:28,858 INFO L168 Benchmark]: TraceAbstraction took 21475.51 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 159.8 MB in the beginning and 154.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 7.1 GB. [2020-09-04 23:22:28,871 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 146.3 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 456.89 ms. Allocated memory is still 146.3 MB. Free memory was 103.6 MB in the beginning and 92.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 163.59 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 92.8 MB in the beginning and 181.5 MB in the end (delta: -88.7 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 617.93 ms. Allocated memory is still 203.4 MB. Free memory was 181.5 MB in the beginning and 159.8 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21475.51 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 159.8 MB in the beginning and 154.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: 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: 24]: 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: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: 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: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: 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: 14]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 18.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 183 SDtfs, 94 SDslu, 468 SDs, 0 SdLazy, 493 SolverSat, 10 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 17.1s 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=94occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 31 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 93 LocationsWithAnnotation, 93 PreInvPairs, 205 NumberOfFragments, 1198 HoareAnnotationTreeSize, 93 FomulaSimplifications, 1070 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 93 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 50568 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...