/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_union_cast.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 16:41:03,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 16:41:03,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 16:41:03,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-09-04 16:41:03,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 16:41:03,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 16:41:03,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 16:41:03,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 16:41:03,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 16:41:03,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 16:41:03,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 16:41:03,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 16:41:03,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 16:41:03,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 16:41:03,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 16:41:03,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 16:41:03,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 16:41:03,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 16:41:03,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 16:41:03,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 16:41:03,764 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 16:41:03,781 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 16:41:03,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 16:41:03,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 16:41:03,785 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 16:41:03,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 16:41:03,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 16:41:03,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 16:41:03,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 16:41:03,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 16:41:03,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 16:41:03,787 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 16:41:03,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 16:41:03,787 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 16:41:03,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 16:41:03,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 16:41:03,788 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 16:41:03,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 16:41:03,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 16:41:03,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:41:03,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 16:41:03,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 16:41:03,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 16:41:03,790 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 16:41:04,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 16:41:04,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 16:41:04,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 16:41:04,261 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 16:41:04,262 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 16:41:04,263 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union_cast.i [2020-09-04 16:41:04,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20434a5b2/40b485019b464504bc2036a1155109a5/FLAG5a5b6dd91 [2020-09-04 16:41:04,939 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 16:41:04,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test_union_cast.i [2020-09-04 16:41:04,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20434a5b2/40b485019b464504bc2036a1155109a5/FLAG5a5b6dd91 [2020-09-04 16:41:05,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20434a5b2/40b485019b464504bc2036a1155109a5 [2020-09-04 16:41:05,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 16:41:05,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 16:41:05,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 16:41:05,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 16:41:05,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 16:41:05,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:41:05" (1/1) ... [2020-09-04 16:41:05,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ed4c0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:41:05, skipping insertion in model container [2020-09-04 16:41:05,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:41:05" (1/1) ... [2020-09-04 16:41:05,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 16:41:05,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 16:41:05,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:41:05,579 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 16:41:05,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:41:05,621 INFO L208 MainTranslator]: Completed translation [2020-09-04 16:41:05,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:41:05 WrapperNode [2020-09-04 16:41:05,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 16:41:05,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 16:41:05,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 16:41:05,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 16:41:05,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:41:05" (1/1) ... [2020-09-04 16:41:05,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:41:05" (1/1) ... [2020-09-04 16:41:05,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:41:05" (1/1) ... [2020-09-04 16:41:05,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:41:05" (1/1) ... [2020-09-04 16:41:05,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:41:05" (1/1) ... [2020-09-04 16:41:05,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:41:05" (1/1) ... [2020-09-04 16:41:05,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:41:05" (1/1) ... [2020-09-04 16:41:05,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 16:41:05,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 16:41:05,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 16:41:05,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 16:41:05,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:41:05" (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 16:41:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 16:41:05,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 16:41:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-04 16:41:05,829 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 16:41:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 16:41:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-04 16:41:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 16:41:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 16:41:05,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-04 16:41:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 16:41:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 16:41:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 16:41:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 16:41:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 16:41:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-04 16:41:06,081 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 16:41:06,082 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 16:41:06,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:41:06 BoogieIcfgContainer [2020-09-04 16:41:06,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 16:41:06,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 16:41:06,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 16:41:06,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 16:41:06,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:41:05" (1/3) ... [2020-09-04 16:41:06,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf2c147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:41:06, skipping insertion in model container [2020-09-04 16:41:06,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:41:05" (2/3) ... [2020-09-04 16:41:06,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf2c147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:41:06, skipping insertion in model container [2020-09-04 16:41:06,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:41:06" (3/3) ... [2020-09-04 16:41:06,124 INFO L109 eAbstractionObserver]: Analyzing ICFG test_union_cast.i [2020-09-04 16:41:06,151 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 16:41:06,170 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 16:41:06,191 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 16:41:06,221 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 16:41:06,222 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 16:41:06,222 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 16:41:06,222 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 16:41:06,222 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 16:41:06,222 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 16:41:06,222 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 16:41:06,223 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 16:41:06,240 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-09-04 16:41:06,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-04 16:41:06,253 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:41:06,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:41:06,255 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:41:06,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:41:06,263 INFO L82 PathProgramCache]: Analyzing trace with hash 2097465754, now seen corresponding path program 1 times [2020-09-04 16:41:06,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:41:06,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1807810451] [2020-09-04 16:41:06,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:41:06,349 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:41:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:41:06,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 16:41:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 16:41:06,573 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 16:41:06,576 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1807810451] [2020-09-04 16:41:06,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 16:41:06,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 16:41:06,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707927532] [2020-09-04 16:41:06,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 16:41:06,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 16:41:06,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 16:41:06,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-04 16:41:06,611 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 5 states. [2020-09-04 16:41:06,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 16:41:06,719 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2020-09-04 16:41:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 16:41:06,721 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-04 16:41:06,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 16:41:06,729 INFO L225 Difference]: With dead ends: 33 [2020-09-04 16:41:06,730 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 16:41:06,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-04 16:41:06,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 16:41:06,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 16:41:06,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 16:41:06,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 16:41:06,762 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-09-04 16:41:06,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 16:41:06,763 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 16:41:06,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 16:41:06,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 16:41:06,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 16:41:06,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 16:41:06,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 16:41:06,902 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 16:41:06,902 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-09-04 16:41:06,902 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-04 16:41:06,903 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-04 16:41:06,903 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-09-04 16:41:06,903 INFO L271 CegarLoopResult]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) the Hoare annotation is: true [2020-09-04 16:41:06,903 INFO L271 CegarLoopResult]: At program point __blast_assertEXIT(lines 4 7) the Hoare annotation is: true [2020-09-04 16:41:06,904 INFO L271 CegarLoopResult]: At program point __blast_assertFINAL(lines 4 7) the Hoare annotation is: true [2020-09-04 16:41:06,904 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-04 16:41:06,904 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-09-04 16:41:06,904 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 16:41:06,905 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 16:41:06,905 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-09-04 16:41:06,905 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (= (select (select |#memory_int| |main_~#llvm_cbe_var~0.base|) |main_~#llvm_cbe_var~0.offset|) 10) [2020-09-04 16:41:06,905 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 19 32) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-04 16:41:06,906 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (and (= (select (select |#memory_int| |main_~#llvm_cbe_var~0.base|) |main_~#llvm_cbe_var~0.offset|) 10) (= |main_#t~mem0| 10)) [2020-09-04 16:41:06,906 INFO L264 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (= (select (select |#memory_int| |main_~#llvm_cbe_var~0.base|) |main_~#llvm_cbe_var~0.offset|) 10) [2020-09-04 16:41:06,906 INFO L271 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: true [2020-09-04 16:41:06,907 INFO L264 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: false [2020-09-04 16:41:06,907 INFO L271 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: true [2020-09-04 16:41:06,907 INFO L264 CegarLoopResult]: At program point L29-3(line 29) the Hoare annotation is: (and (= (select (select |#memory_int| |main_~#llvm_cbe_var~0.base|) |main_~#llvm_cbe_var~0.offset|) 10) (= |main_#t~mem0| 10)) [2020-09-04 16:41:06,908 INFO L264 CegarLoopResult]: At program point L26-1(line 26) the Hoare annotation is: (= (select (select |#memory_int| |main_~#llvm_cbe_var~0.base|) |main_~#llvm_cbe_var~0.offset|) 10) [2020-09-04 16:41:06,908 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 19 32) the Hoare annotation is: true [2020-09-04 16:41:06,908 INFO L264 CegarLoopResult]: At program point L26-2(line 26) the Hoare annotation is: (= (select (select |#memory_int| |main_~#llvm_cbe_var~0.base|) |main_~#llvm_cbe_var~0.offset|) 10) [2020-09-04 16:41:06,908 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 19 32) the Hoare annotation is: true [2020-09-04 16:41:06,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:41:06 BoogieIcfgContainer [2020-09-04 16:41:06,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 16:41:06,928 INFO L168 Benchmark]: Toolchain (without parser) took 1627.80 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 103.4 MB in the beginning and 128.6 MB in the end (delta: -25.3 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. [2020-09-04 16:41:06,929 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 16:41:06,930 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.93 ms. Allocated memory is still 139.5 MB. Free memory was 103.2 MB in the beginning and 93.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-04 16:41:06,932 INFO L168 Benchmark]: Boogie Preprocessor took 126.30 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 93.3 MB in the beginning and 182.4 MB in the end (delta: -89.1 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2020-09-04 16:41:06,933 INFO L168 Benchmark]: RCFGBuilder took 339.45 ms. Allocated memory is still 203.9 MB. Free memory was 182.0 MB in the beginning and 168.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2020-09-04 16:41:06,933 INFO L168 Benchmark]: TraceAbstraction took 824.89 ms. Allocated memory is still 203.9 MB. Free memory was 168.5 MB in the beginning and 128.6 MB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. [2020-09-04 16:41:06,938 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 322.93 ms. Allocated memory is still 139.5 MB. Free memory was 103.2 MB in the beginning and 93.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.30 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 93.3 MB in the beginning and 182.4 MB in the end (delta: -89.1 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 339.45 ms. Allocated memory is still 203.9 MB. Free memory was 182.0 MB in the beginning and 168.5 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 824.89 ms. Allocated memory is still 203.9 MB. Free memory was 168.5 MB in the beginning and 128.6 MB in the end (delta: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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 - ProcedureContractResult [Line: 4]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 1 - ProcedureContractResult [Line: 19]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 15 SDtfs, 6 SDslu, 29 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 33 NumberOfFragments, 80 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...