/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/ldv-regression/test_union_cast.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 22:06:52,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 22:06:52,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 22:06:52,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-09-04 22:06:52,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 22:06:52,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 22:06:52,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 22:06:52,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 22:06:52,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 22:06:52,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 22:06:52,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 22:06:52,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 22:06:52,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 22:06:52,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 22:06:52,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 22:06:52,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 22:06:52,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 22:06:52,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 22:06:52,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 22:06:52,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 22:06:52,256 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 22:06:52,289 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 22:06:52,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 22:06:52,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 22:06:52,294 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 22:06:52,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 22:06:52,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 22:06:52,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 22:06:52,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 22:06:52,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 22:06:52,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 22:06:52,296 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 22:06:52,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 22:06:52,296 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 22:06:52,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 22:06:52,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 22:06:52,298 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 22:06:52,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 22:06:52,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 22:06:52,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 22:06:52,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 22:06:52,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 22:06:52,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 22:06:52,299 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 22:06:52,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 22:06:52,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 22:06:52,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 22:06:52,785 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 22:06:52,785 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 22:06:52,786 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union_cast.c_1.i [2020-09-04 22:06:52,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/edffab395/39bdfd653c224e3b88d358c78f5c6d93/FLAGae253938e [2020-09-04 22:06:53,383 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 22:06:53,384 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test_union_cast.c_1.i [2020-09-04 22:06:53,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/edffab395/39bdfd653c224e3b88d358c78f5c6d93/FLAGae253938e [2020-09-04 22:06:53,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/edffab395/39bdfd653c224e3b88d358c78f5c6d93 [2020-09-04 22:06:53,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 22:06:53,757 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 22:06:53,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 22:06:53,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 22:06:53,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 22:06:53,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:06:53" (1/1) ... [2020-09-04 22:06:53,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a52bb5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:53, skipping insertion in model container [2020-09-04 22:06:53,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:06:53" (1/1) ... [2020-09-04 22:06:53,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 22:06:53,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 22:06:54,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:06:54,012 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 22:06:54,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:06:54,064 INFO L208 MainTranslator]: Completed translation [2020-09-04 22:06:54,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:54 WrapperNode [2020-09-04 22:06:54,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 22:06:54,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 22:06:54,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 22:06:54,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 22:06:54,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:54" (1/1) ... [2020-09-04 22:06:54,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:54" (1/1) ... [2020-09-04 22:06:54,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:54" (1/1) ... [2020-09-04 22:06:54,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:54" (1/1) ... [2020-09-04 22:06:54,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:54" (1/1) ... [2020-09-04 22:06:54,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:54" (1/1) ... [2020-09-04 22:06:54,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:54" (1/1) ... [2020-09-04 22:06:54,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 22:06:54,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 22:06:54,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 22:06:54,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 22:06:54,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:54" (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 22:06:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 22:06:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 22:06:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-04 22:06:54,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 22:06:54,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 22:06:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-04 22:06:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 22:06:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 22:06:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-09-04 22:06:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 22:06:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 22:06:54,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 22:06:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 22:06:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 22:06:54,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-09-04 22:06:54,474 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 22:06:54,475 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 22:06:54,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:06:54 BoogieIcfgContainer [2020-09-04 22:06:54,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 22:06:54,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 22:06:54,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 22:06:54,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 22:06:54,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:06:53" (1/3) ... [2020-09-04 22:06:54,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef5c89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:06:54, skipping insertion in model container [2020-09-04 22:06:54,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:54" (2/3) ... [2020-09-04 22:06:54,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef5c89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:06:54, skipping insertion in model container [2020-09-04 22:06:54,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:06:54" (3/3) ... [2020-09-04 22:06:54,491 INFO L109 eAbstractionObserver]: Analyzing ICFG test_union_cast.c_1.i [2020-09-04 22:06:54,505 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 22:06:54,517 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 22:06:54,541 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 22:06:54,571 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 22:06:54,571 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 22:06:54,571 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 22:06:54,571 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 22:06:54,572 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 22:06:54,572 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 22:06:54,572 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 22:06:54,573 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 22:06:54,590 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-09-04 22:06:54,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-04 22:06:54,612 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:06:54,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:06:54,614 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:06:54,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:06:54,633 INFO L82 PathProgramCache]: Analyzing trace with hash 2097465754, now seen corresponding path program 1 times [2020-09-04 22:06:54,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:06:54,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1242487942] [2020-09-04 22:06:54,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:06:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:06:54,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:06:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:06:54,937 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 22:06:54,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1242487942] [2020-09-04 22:06:54,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:06:54,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 22:06:54,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711936026] [2020-09-04 22:06:54,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 22:06:54,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:06:54,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 22:06:54,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-04 22:06:54,963 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 5 states. [2020-09-04 22:06:55,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:06:55,081 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2020-09-04 22:06:55,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 22:06:55,085 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-04 22:06:55,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:06:55,094 INFO L225 Difference]: With dead ends: 33 [2020-09-04 22:06:55,095 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 22:06:55,099 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 22:06:55,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 22:06:55,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 22:06:55,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 22:06:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 22:06:55,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-09-04 22:06:55,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:06:55,127 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 22:06:55,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 22:06:55,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 22:06:55,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 22:06:55,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 22:06:55,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 22:06:55,279 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 22:06:55,279 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-09-04 22:06:55,280 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-04 22:06:55,280 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 22:06:55,280 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-09-04 22:06:55,281 INFO L271 CegarLoopResult]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) the Hoare annotation is: true [2020-09-04 22:06:55,281 INFO L271 CegarLoopResult]: At program point __blast_assertEXIT(lines 4 7) the Hoare annotation is: true [2020-09-04 22:06:55,281 INFO L271 CegarLoopResult]: At program point __blast_assertFINAL(lines 4 7) the Hoare annotation is: true [2020-09-04 22:06:55,281 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-04 22:06:55,281 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-09-04 22:06:55,282 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 22:06:55,282 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 22:06:55,282 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-09-04 22:06:55,282 INFO L264 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: (= (select (select |#memory_int| |main_~#var~0.base|) |main_~#var~0.offset|) 10) [2020-09-04 22:06:55,283 INFO L271 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: true [2020-09-04 22:06:55,283 INFO L264 CegarLoopResult]: At program point L34-2(line 34) the Hoare annotation is: false [2020-09-04 22:06:55,283 INFO L271 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: true [2020-09-04 22:06:55,283 INFO L264 CegarLoopResult]: At program point L34-3(line 34) the Hoare annotation is: (and (= (select (select |#memory_int| |main_~#var~0.base|) |main_~#var~0.offset|) 10) (= |main_#t~mem0| 10)) [2020-09-04 22:06:55,284 INFO L264 CegarLoopResult]: At program point L31-1(line 31) the Hoare annotation is: (= (select (select |#memory_int| |main_~#var~0.base|) |main_~#var~0.offset|) 10) [2020-09-04 22:06:55,284 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 29 42) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-04 22:06:55,284 INFO L264 CegarLoopResult]: At program point L31-2(line 31) the Hoare annotation is: (= (select (select |#memory_int| |main_~#var~0.base|) |main_~#var~0.offset|) 10) [2020-09-04 22:06:55,284 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 29 42) the Hoare annotation is: true [2020-09-04 22:06:55,285 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 29 42) the Hoare annotation is: true [2020-09-04 22:06:55,285 INFO L264 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: (= (select (select |#memory_int| |main_~#var~0.base|) |main_~#var~0.offset|) 10) [2020-09-04 22:06:55,285 INFO L264 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: (and (= (select (select |#memory_int| |main_~#var~0.base|) |main_~#var~0.offset|) 10) (= |main_#t~mem0| 10)) [2020-09-04 22:06:55,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 10:06:55 BoogieIcfgContainer [2020-09-04 22:06:55,300 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 22:06:55,303 INFO L168 Benchmark]: Toolchain (without parser) took 1545.20 ms. Allocated memory was 141.6 MB in the beginning and 202.9 MB in the end (delta: 61.3 MB). Free memory was 105.1 MB in the beginning and 129.1 MB in the end (delta: -24.0 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. [2020-09-04 22:06:55,304 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 22:06:55,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.85 ms. Allocated memory is still 141.6 MB. Free memory was 104.9 MB in the beginning and 95.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-09-04 22:06:55,307 INFO L168 Benchmark]: Boogie Preprocessor took 109.40 ms. Allocated memory was 141.6 MB in the beginning and 202.9 MB in the end (delta: 61.3 MB). Free memory was 95.1 MB in the beginning and 181.1 MB in the end (delta: -85.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2020-09-04 22:06:55,308 INFO L168 Benchmark]: RCFGBuilder took 305.63 ms. Allocated memory is still 202.9 MB. Free memory was 181.1 MB in the beginning and 168.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2020-09-04 22:06:55,309 INFO L168 Benchmark]: TraceAbstraction took 817.41 ms. Allocated memory is still 202.9 MB. Free memory was 167.8 MB in the beginning and 129.1 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2020-09-04 22:06:55,313 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 306.85 ms. Allocated memory is still 141.6 MB. Free memory was 104.9 MB in the beginning and 95.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.40 ms. Allocated memory was 141.6 MB in the beginning and 202.9 MB in the end (delta: 61.3 MB). Free memory was 95.1 MB in the beginning and 181.1 MB in the end (delta: -85.9 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 305.63 ms. Allocated memory is still 202.9 MB. Free memory was 181.1 MB in the beginning and 168.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 817.41 ms. Allocated memory is still 202.9 MB. Free memory was 167.8 MB in the beginning and 129.1 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 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: 29]: 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 390 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...