/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 0.1.25-72570d3 [2020-08-22 23:13:05,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 23:13:05,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 23:13:05,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 23:13:05,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 23:13:05,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 23:13:05,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 23:13:05,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 23:13:05,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 23:13:05,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 23:13:05,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 23:13:05,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 23:13:05,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 23:13:05,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 23:13:05,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 23:13:05,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 23:13:05,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 23:13:05,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 23:13:05,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 23:13:05,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 23:13:05,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 23:13:05,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 23:13:05,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 23:13:05,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 23:13:05,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 23:13:05,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 23:13:05,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 23:13:05,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 23:13:05,403 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 23:13:05,424 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 23:13:05,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 23:13:05,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 23:13:05,429 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 23:13:05,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 23:13:05,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 23:13:05,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 23:13:05,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 23:13:05,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 23:13:05,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 23:13:05,432 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 23:13:05,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 23:13:05,432 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 23:13:05,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 23:13:05,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 23:13:05,434 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 23:13:05,434 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 23:13:05,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 23:13:05,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 23:13:05,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 23:13:05,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 23:13:05,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 23:13:05,436 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 [2020-08-22 23:13:05,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 23:13:05,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 23:13:05,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 23:13:05,962 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 23:13:05,963 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 23:13:05,964 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2020-08-22 23:13:06,073 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5826e44f9/121200e6806c4d4c98985cb6a5d5eafd/FLAGc773535a9 [2020-08-22 23:13:06,717 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 23:13:06,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2020-08-22 23:13:06,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5826e44f9/121200e6806c4d4c98985cb6a5d5eafd/FLAGc773535a9 [2020-08-22 23:13:07,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5826e44f9/121200e6806c4d4c98985cb6a5d5eafd [2020-08-22 23:13:07,025 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 23:13:07,028 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 23:13:07,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 23:13:07,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 23:13:07,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 23:13:07,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:13:07" (1/1) ... [2020-08-22 23:13:07,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7782e692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:13:07, skipping insertion in model container [2020-08-22 23:13:07,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:13:07" (1/1) ... [2020-08-22 23:13:07,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 23:13:07,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 23:13:07,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 23:13:07,343 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 23:13:07,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 23:13:07,504 INFO L208 MainTranslator]: Completed translation [2020-08-22 23:13:07,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:13:07 WrapperNode [2020-08-22 23:13:07,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 23:13:07,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 23:13:07,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 23:13:07,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 23:13:07,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:13:07" (1/1) ... [2020-08-22 23:13:07,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:13:07" (1/1) ... [2020-08-22 23:13:07,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:13:07" (1/1) ... [2020-08-22 23:13:07,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:13:07" (1/1) ... [2020-08-22 23:13:07,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:13:07" (1/1) ... [2020-08-22 23:13:07,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:13:07" (1/1) ... [2020-08-22 23:13:07,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:13:07" (1/1) ... [2020-08-22 23:13:07,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 23:13:07,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 23:13:07,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 23:13:07,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 23:13:07,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:13:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 23:13:07,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 23:13:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 23:13:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 23:13:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 23:13:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 23:13:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 23:13:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 23:13:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 23:13:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 23:13:08,138 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 23:13:08,139 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 23:13:08,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:13:08 BoogieIcfgContainer [2020-08-22 23:13:08,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 23:13:08,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 23:13:08,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 23:13:08,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 23:13:08,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 11:13:07" (1/3) ... [2020-08-22 23:13:08,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b74ea3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 11:13:08, skipping insertion in model container [2020-08-22 23:13:08,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:13:07" (2/3) ... [2020-08-22 23:13:08,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b74ea3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 11:13:08, skipping insertion in model container [2020-08-22 23:13:08,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:13:08" (3/3) ... [2020-08-22 23:13:08,158 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+lhb-reducer.c [2020-08-22 23:13:08,173 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 23:13:08,186 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 23:13:08,202 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 23:13:08,233 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 23:13:08,233 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 23:13:08,233 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 23:13:08,233 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 23:13:08,233 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 23:13:08,234 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 23:13:08,234 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 23:13:08,234 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 23:13:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2020-08-22 23:13:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-22 23:13:08,271 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 23:13:08,273 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] [2020-08-22 23:13:08,274 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 23:13:08,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 23:13:08,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1887694174, now seen corresponding path program 1 times [2020-08-22 23:13:08,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 23:13:08,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1285348229] [2020-08-22 23:13:08,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 23:13:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 23:13:09,049 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 20 [2020-08-22 23:13:09,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 23:13:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 23:13:09,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 23:13:09,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1285348229] [2020-08-22 23:13:09,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 23:13:09,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 23:13:09,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928003067] [2020-08-22 23:13:09,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 23:13:09,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 23:13:09,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 23:13:09,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-22 23:13:09,276 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 7 states. [2020-08-22 23:13:12,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 23:13:12,717 INFO L93 Difference]: Finished difference Result 227 states and 255 transitions. [2020-08-22 23:13:12,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 23:13:12,720 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2020-08-22 23:13:12,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 23:13:12,738 INFO L225 Difference]: With dead ends: 227 [2020-08-22 23:13:12,739 INFO L226 Difference]: Without dead ends: 123 [2020-08-22 23:13:12,746 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 [2020-08-22 23:13:12,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-08-22 23:13:12,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 92. [2020-08-22 23:13:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-08-22 23:13:12,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2020-08-22 23:13:12,836 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 39 [2020-08-22 23:13:12,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 23:13:12,837 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2020-08-22 23:13:12,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 23:13:12,838 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2020-08-22 23:13:12,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-22 23:13:12,840 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 23:13:12,841 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] [2020-08-22 23:13:12,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 23:13:12,842 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 23:13:12,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 23:13:12,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1677432442, now seen corresponding path program 1 times [2020-08-22 23:13:12,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 23:13:12,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783920727] [2020-08-22 23:13:12,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 23:13:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 23:13:13,313 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 18 [2020-08-22 23:13:13,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 23:13:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 23:13:13,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 23:13:13,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783920727] [2020-08-22 23:13:13,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 23:13:13,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 23:13:13,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742103117] [2020-08-22 23:13:13,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 23:13:13,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 23:13:13,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 23:13:13,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-22 23:13:13,542 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand 7 states. [2020-08-22 23:13:20,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 23:13:20,884 INFO L93 Difference]: Finished difference Result 192 states and 209 transitions. [2020-08-22 23:13:20,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 23:13:20,885 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-08-22 23:13:20,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 23:13:20,886 INFO L225 Difference]: With dead ends: 192 [2020-08-22 23:13:20,886 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 23:13:20,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-08-22 23:13:20,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 23:13:20,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 23:13:20,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 23:13:20,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 23:13:20,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2020-08-22 23:13:20,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 23:13:20,891 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 23:13:20,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 23:13:20,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 23:13:20,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 23:13:20,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 23:13:20,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 23:13:21,420 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 23:13:21,420 INFO L271 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: true [2020-08-22 23:13:21,420 INFO L271 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true [2020-08-22 23:13:21,420 INFO L271 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: true [2020-08-22 23:13:21,421 INFO L271 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-08-22 23:13:21,421 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)|)) [2020-08-22 23:13:21,422 INFO L271 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: true [2020-08-22 23:13:21,422 INFO L271 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: true [2020-08-22 23:13:21,422 INFO L271 CegarLoopResult]: At program point L7(line 7) the Hoare annotation is: true [2020-08-22 23:13:21,423 INFO L271 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: true [2020-08-22 23:13:21,423 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 23:13:21,423 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-08-22 23:13:21,423 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 23:13:21,423 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 23:13:21,424 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-08-22 23:13:21,424 INFO L271 CegarLoopResult]: At program point L126(lines 126 141) the Hoare annotation is: true [2020-08-22 23:13:21,424 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)))))))) [2020-08-22 23:13:21,425 INFO L271 CegarLoopResult]: At program point L60(lines 60 82) the Hoare annotation is: true [2020-08-22 23:13:21,425 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))))))) [2020-08-22 23:13:21,425 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 14 149) the Hoare annotation is: true [2020-08-22 23:13:21,425 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))))))) [2020-08-22 23:13:21,426 INFO L271 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: true [2020-08-22 23:13:21,426 INFO L264 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (not (= main_~__VERIFIER_assert__cond~0 0)) [2020-08-22 23:13:21,426 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)))))))) [2020-08-22 23:13:21,427 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))))))) [2020-08-22 23:13:21,427 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))))))) [2020-08-22 23:13:21,427 INFO L271 CegarLoopResult]: At program point L20(line 20) the Hoare annotation is: true [2020-08-22 23:13:21,427 INFO L271 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: true [2020-08-22 23:13:21,428 INFO L271 CegarLoopResult]: At program point L20-2(line 20) the Hoare annotation is: true [2020-08-22 23:13:21,428 INFO L271 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: true [2020-08-22 23:13:21,428 INFO L264 CegarLoopResult]: At program point L103(line 103) the Hoare annotation is: (not (= main_~__VERIFIER_assert__cond~0 0)) [2020-08-22 23:13:21,428 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))))))) [2020-08-22 23:13:21,429 INFO L271 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: true [2020-08-22 23:13:21,429 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)))))))) [2020-08-22 23:13:21,429 INFO L271 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: true [2020-08-22 23:13:21,429 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))))))) [2020-08-22 23:13:21,430 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))))))) [2020-08-22 23:13:21,430 INFO L271 CegarLoopResult]: At program point L21(lines 21 148) the Hoare annotation is: true [2020-08-22 23:13:21,430 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))))))) [2020-08-22 23:13:21,430 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 14 149) the Hoare annotation is: true [2020-08-22 23:13:21,431 INFO L271 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: true [2020-08-22 23:13:21,431 INFO L271 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: true [2020-08-22 23:13:21,431 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) the Hoare annotation is: false [2020-08-22 23:13:21,431 INFO L271 CegarLoopResult]: At program point L63(line 63) the Hoare annotation is: true [2020-08-22 23:13:21,432 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))))))) [2020-08-22 23:13:21,432 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)|)) [2020-08-22 23:13:21,432 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))))))) [2020-08-22 23:13:21,433 INFO L271 CegarLoopResult]: At program point L80(line 80) the Hoare annotation is: true [2020-08-22 23:13:21,433 INFO L271 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: true [2020-08-22 23:13:21,433 INFO L264 CegarLoopResult]: At program point L39(line 39) the Hoare annotation is: false [2020-08-22 23:13:21,433 INFO L271 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: true [2020-08-22 23:13:21,433 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: false [2020-08-22 23:13:21,434 INFO L271 CegarLoopResult]: At program point L64(line 64) the Hoare annotation is: true [2020-08-22 23:13:21,434 INFO L271 CegarLoopResult]: At program point L23(lines 23 143) the Hoare annotation is: true [2020-08-22 23:13:21,434 INFO L271 CegarLoopResult]: At program point L147(line 147) the Hoare annotation is: true [2020-08-22 23:13:21,434 INFO L271 CegarLoopResult]: At program point L81(lines 15 149) the Hoare annotation is: true [2020-08-22 23:13:21,434 INFO L264 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: false [2020-08-22 23:13:21,434 INFO L271 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: true [2020-08-22 23:13:21,435 INFO L264 CegarLoopResult]: At program point L40(line 40) the Hoare annotation is: false [2020-08-22 23:13:21,435 INFO L271 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: true [2020-08-22 23:13:21,435 INFO L264 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: false [2020-08-22 23:13:21,435 INFO L271 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: true [2020-08-22 23:13:21,435 INFO L271 CegarLoopResult]: At program point L115(lines 115 142) the Hoare annotation is: true [2020-08-22 23:13:21,436 INFO L264 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: false [2020-08-22 23:13:21,436 INFO L271 CegarLoopResult]: At program point L140(lines 23 143) the Hoare annotation is: true [2020-08-22 23:13:21,436 INFO L271 CegarLoopResult]: At program point L74(line 74) the Hoare annotation is: true [2020-08-22 23:13:21,436 INFO L264 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: false [2020-08-22 23:13:21,436 INFO L271 CegarLoopResult]: At program point L132(lines 23 143) the Hoare annotation is: true [2020-08-22 23:13:21,437 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))))))) [2020-08-22 23:13:21,437 INFO L271 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: true [2020-08-22 23:13:21,437 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))))))) [2020-08-22 23:13:21,437 INFO L271 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: true [2020-08-22 23:13:21,438 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))) [2020-08-22 23:13:21,438 INFO L264 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: false [2020-08-22 23:13:21,438 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)|)) [2020-08-22 23:13:21,438 INFO L271 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: true [2020-08-22 23:13:21,439 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))))))) [2020-08-22 23:13:21,439 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))))))) [2020-08-22 23:13:21,439 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))))))) [2020-08-22 23:13:21,440 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))))))) [2020-08-22 23:13:21,440 INFO L271 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: true [2020-08-22 23:13:21,440 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))))))) [2020-08-22 23:13:21,440 INFO L271 CegarLoopResult]: At program point L125-1(line 125) the Hoare annotation is: true [2020-08-22 23:13:21,440 INFO L271 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: true [2020-08-22 23:13:21,441 INFO L271 CegarLoopResult]: At program point L125-2(line 125) the Hoare annotation is: true [2020-08-22 23:13:21,441 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))))))) [2020-08-22 23:13:21,441 INFO L271 CegarLoopResult]: At program point L59-1(line 59) the Hoare annotation is: true [2020-08-22 23:13:21,441 INFO L271 CegarLoopResult]: At program point L59-2(line 59) the Hoare annotation is: true [2020-08-22 23:13:21,442 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) [2020-08-22 23:13:21,442 INFO L271 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: true [2020-08-22 23:13:21,442 INFO L271 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: true [2020-08-22 23:13:21,442 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-08-22 23:13:21,442 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))))))) [2020-08-22 23:13:21,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 11:13:21 BoogieIcfgContainer [2020-08-22 23:13:21,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 23:13:21,481 INFO L168 Benchmark]: Toolchain (without parser) took 14453.35 ms. Allocated memory was 136.3 MB in the beginning and 253.8 MB in the end (delta: 117.4 MB). Free memory was 100.6 MB in the beginning and 164.1 MB in the end (delta: -63.5 MB). Peak memory consumption was 54.0 MB. Max. memory is 7.1 GB. [2020-08-22 23:13:21,483 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 136.3 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 23:13:21,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.35 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 180.3 MB in the end (delta: -79.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-08-22 23:13:21,486 INFO L168 Benchmark]: Boogie Preprocessor took 59.40 ms. Allocated memory is still 201.3 MB. Free memory was 180.3 MB in the beginning and 178.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2020-08-22 23:13:21,487 INFO L168 Benchmark]: RCFGBuilder took 578.78 ms. Allocated memory is still 201.3 MB. Free memory was 178.5 MB in the beginning and 157.4 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2020-08-22 23:13:21,488 INFO L168 Benchmark]: TraceAbstraction took 13330.68 ms. Allocated memory was 201.3 MB in the beginning and 253.8 MB in the end (delta: 52.4 MB). Free memory was 156.7 MB in the beginning and 164.1 MB in the end (delta: -7.4 MB). Peak memory consumption was 45.0 MB. Max. memory is 7.1 GB. [2020-08-22 23:13:21,494 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 136.3 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 476.35 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 180.3 MB in the end (delta: -79.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.40 ms. Allocated memory is still 201.3 MB. Free memory was 180.3 MB in the beginning and 178.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 578.78 ms. Allocated memory is still 201.3 MB. Free memory was 178.5 MB in the beginning and 157.4 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13330.68 ms. Allocated memory was 201.3 MB in the beginning and 253.8 MB in the end (delta: 52.4 MB). Free memory was 156.7 MB in the beginning and 164.1 MB in the end (delta: -7.4 MB). Peak memory consumption was 45.0 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: 12.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 183 SDtfs, 96 SDslu, 464 SDs, 0 SdLazy, 495 SolverSat, 11 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred 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, 93 LocationsWithAnnotation, 93 PreInvPairs, 205 NumberOfFragments, 1198 HoareAnnotationTreeSize, 93 FomulaSimplifications, 1070 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 93 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s 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...