/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.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 19:05:56,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 19:05:56,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 19:05:56,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 19:05:56,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 19:05:56,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 19:05:56,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 19:05:56,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 19:05:56,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 19:05:56,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 19:05:56,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 19:05:56,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 19:05:56,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 19:05:56,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 19:05:56,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 19:05:56,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 19:05:56,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 19:05:56,958 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 19:05:56,973 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 19:05:56,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 19:05:56,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 19:05:56,975 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 19:05:56,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 19:05:56,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 19:05:56,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 19:05:56,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 19:05:56,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 19:05:56,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 19:05:56,977 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 19:05:56,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 19:05:56,978 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 19:05:56,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 19:05:56,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 19:05:56,978 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 19:05:56,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 19:05:56,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 19:05:56,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 19:05:56,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 19:05:56,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 19:05:56,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 19:05:56,980 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 19:05:57,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 19:05:57,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 19:05:57,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 19:05:57,292 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 19:05:57,292 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 19:05:57,293 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union.c_1.i [2020-08-22 19:05:57,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ea05991/6bb0d94d4e3a4da6b19b68a02f15181f/FLAG9c9ec99d6 [2020-08-22 19:05:57,776 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 19:05:57,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union.c_1.i [2020-08-22 19:05:57,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ea05991/6bb0d94d4e3a4da6b19b68a02f15181f/FLAG9c9ec99d6 [2020-08-22 19:05:58,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9ea05991/6bb0d94d4e3a4da6b19b68a02f15181f [2020-08-22 19:05:58,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 19:05:58,160 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 19:05:58,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 19:05:58,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 19:05:58,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 19:05:58,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:05:58" (1/1) ... [2020-08-22 19:05:58,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b427e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:58, skipping insertion in model container [2020-08-22 19:05:58,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:05:58" (1/1) ... [2020-08-22 19:05:58,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 19:05:58,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 19:05:58,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:05:58,331 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 19:05:58,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:05:58,373 INFO L208 MainTranslator]: Completed translation [2020-08-22 19:05:58,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:58 WrapperNode [2020-08-22 19:05:58,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 19:05:58,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 19:05:58,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 19:05:58,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 19:05:58,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:58" (1/1) ... [2020-08-22 19:05:58,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:58" (1/1) ... [2020-08-22 19:05:58,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:58" (1/1) ... [2020-08-22 19:05:58,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:58" (1/1) ... [2020-08-22 19:05:58,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:58" (1/1) ... [2020-08-22 19:05:58,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:58" (1/1) ... [2020-08-22 19:05:58,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:58" (1/1) ... [2020-08-22 19:05:58,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 19:05:58,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 19:05:58,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 19:05:58,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 19:05:58,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:58" (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 19:05:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 19:05:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 19:05:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-08-22 19:05:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 19:05:58,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 19:05:58,538 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-08-22 19:05:58,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 19:05:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 19:05:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 19:05:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 19:05:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 19:05:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 19:05:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 19:05:58,703 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 19:05:58,704 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 19:05:58,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:05:58 BoogieIcfgContainer [2020-08-22 19:05:58,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 19:05:58,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 19:05:58,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 19:05:58,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 19:05:58,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:05:58" (1/3) ... [2020-08-22 19:05:58,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e4bf36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:05:58, skipping insertion in model container [2020-08-22 19:05:58,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:05:58" (2/3) ... [2020-08-22 19:05:58,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e4bf36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:05:58, skipping insertion in model container [2020-08-22 19:05:58,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:05:58" (3/3) ... [2020-08-22 19:05:58,716 INFO L109 eAbstractionObserver]: Analyzing ICFG test_union.c_1.i [2020-08-22 19:05:58,727 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 19:05:58,738 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 19:05:58,766 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 19:05:58,817 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 19:05:58,817 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 19:05:58,817 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 19:05:58,823 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 19:05:58,823 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 19:05:58,823 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 19:05:58,823 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 19:05:58,824 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 19:05:58,852 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-08-22 19:05:58,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-22 19:05:58,862 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:05:58,863 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:05:58,864 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:05:58,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:05:58,868 INFO L82 PathProgramCache]: Analyzing trace with hash 242998920, now seen corresponding path program 1 times [2020-08-22 19:05:58,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:05:58,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280532477] [2020-08-22 19:05:58,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:05:58,926 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:05:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:05:59,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:05:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:05:59,115 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 19:05:59,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280532477] [2020-08-22 19:05:59,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:05:59,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 19:05:59,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483409684] [2020-08-22 19:05:59,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 19:05:59,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:05:59,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 19:05:59,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 19:05:59,142 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 5 states. [2020-08-22 19:05:59,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:05:59,240 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2020-08-22 19:05:59,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 19:05:59,242 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-22 19:05:59,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:05:59,251 INFO L225 Difference]: With dead ends: 30 [2020-08-22 19:05:59,251 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 19:05:59,258 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 [2020-08-22 19:05:59,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 19:05:59,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 19:05:59,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 19:05:59,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 19:05:59,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-08-22 19:05:59,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:05:59,280 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 19:05:59,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 19:05:59,281 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 19:05:59,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 19:05:59,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 19:05:59,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 19:05:59,369 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 19:05:59,369 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-08-22 19:05:59,369 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:05:59,370 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|)) [2020-08-22 19:05:59,370 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:05:59,370 INFO L271 CegarLoopResult]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) the Hoare annotation is: true [2020-08-22 19:05:59,371 INFO L271 CegarLoopResult]: At program point __blast_assertEXIT(lines 4 7) the Hoare annotation is: true [2020-08-22 19:05:59,371 INFO L271 CegarLoopResult]: At program point __blast_assertFINAL(lines 4 7) the Hoare annotation is: true [2020-08-22 19:05:59,371 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-08-22 19:05:59,371 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-08-22 19:05:59,372 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 19:05:59,372 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 19:05:59,372 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-08-22 19:05:59,372 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 23 31) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-08-22 19:05:59,373 INFO L264 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (and (= (select (select |#memory_int| |main_~#x~0.base|) |main_~#x~0.offset|) 0) (= |main_#t~mem0| 0)) [2020-08-22 19:05:59,373 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (= (select (select |#memory_int| |main_~#x~0.base|) |main_~#x~0.offset|) 0) [2020-08-22 19:05:59,373 INFO L264 CegarLoopResult]: At program point L27-2(line 27) the Hoare annotation is: false [2020-08-22 19:05:59,373 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 23 31) the Hoare annotation is: true [2020-08-22 19:05:59,374 INFO L271 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: true [2020-08-22 19:05:59,374 INFO L264 CegarLoopResult]: At program point L27-3(line 27) the Hoare annotation is: (and (= (select (select |#memory_int| |main_~#x~0.base|) |main_~#x~0.offset|) 0) (= |main_#t~mem0| 0)) [2020-08-22 19:05:59,375 INFO L264 CegarLoopResult]: At program point L24-1(line 24) the Hoare annotation is: (= (select (select |#memory_int| |main_~#x~0.base|) |main_~#x~0.offset|) 0) [2020-08-22 19:05:59,375 INFO L264 CegarLoopResult]: At program point L24-2(line 24) the Hoare annotation is: (= (select (select |#memory_int| |main_~#x~0.base|) |main_~#x~0.offset|) 0) [2020-08-22 19:05:59,375 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 23 31) the Hoare annotation is: true [2020-08-22 19:05:59,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:05:59 BoogieIcfgContainer [2020-08-22 19:05:59,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 19:05:59,387 INFO L168 Benchmark]: Toolchain (without parser) took 1227.50 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 104.5 MB in the beginning and 132.1 MB in the end (delta: -27.6 MB). Peak memory consumption was 35.9 MB. Max. memory is 7.1 GB. [2020-08-22 19:05:59,388 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 19:05:59,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.99 ms. Allocated memory is still 140.0 MB. Free memory was 104.3 MB in the beginning and 94.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-08-22 19:05:59,390 INFO L168 Benchmark]: Boogie Preprocessor took 105.80 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 94.7 MB in the beginning and 181.5 MB in the end (delta: -86.8 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-08-22 19:05:59,391 INFO L168 Benchmark]: RCFGBuilder took 226.87 ms. Allocated memory is still 203.4 MB. Free memory was 181.5 MB in the beginning and 170.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2020-08-22 19:05:59,392 INFO L168 Benchmark]: TraceAbstraction took 676.14 ms. Allocated memory is still 203.4 MB. Free memory was 169.4 MB in the beginning and 132.1 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2020-08-22 19:05:59,397 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 140.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 213.99 ms. Allocated memory is still 140.0 MB. Free memory was 104.3 MB in the beginning and 94.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.80 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 94.7 MB in the beginning and 181.5 MB in the end (delta: -86.8 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 226.87 ms. Allocated memory is still 203.4 MB. Free memory was 181.5 MB in the beginning and 170.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 676.14 ms. Allocated memory is still 203.4 MB. Free memory was 169.4 MB in the beginning and 132.1 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.3 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: 23]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 SDtfs, 5 SDslu, 27 SDs, 0 SdLazy, 19 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=23occurred 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, 23 LocationsWithAnnotation, 23 PreInvPairs, 30 NumberOfFragments, 72 HoareAnnotationTreeSize, 23 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 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...