/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_union.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:02:54,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:02:54,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:02:54,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:02:54,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:02:54,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:02:54,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:02:54,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:02:54,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:02:54,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:02:54,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:02:54,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:02:54,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:02:54,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:02:54,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:02:54,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:02:54,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:02:54,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:02:54,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:02:54,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:02:54,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:02:54,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:02:54,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:02:54,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:02:54,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 12:02:54,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:02:54,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:02:54,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:02:54,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 12:02:54,447 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:02:54,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:02:54,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:02:54,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:02:54,452 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:02:54,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:02:54,453 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:02:54,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:02:54,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:02:54,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:02:54,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:02:54,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:02:54,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:02:54,454 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:02:54,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:02:54,455 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:02:54,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:02:54,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:02:54,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:02:54,457 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:02:54,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:02:54,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:02:54,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:02:54,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:02:54,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:02:54,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:02:54,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:02:54,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:02:54,459 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:02:54,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:02:54,721 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:02:54,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:02:54,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:02:54,742 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:02:54,742 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:02:54,743 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union.c_1.i [2020-07-17 12:02:54,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33083d545/51e657d9c6fb49a1b996d68d32ae09db/FLAGa8ea9610c [2020-07-17 12:02:55,338 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:02:55,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union.c_1.i [2020-07-17 12:02:55,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33083d545/51e657d9c6fb49a1b996d68d32ae09db/FLAGa8ea9610c [2020-07-17 12:02:55,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33083d545/51e657d9c6fb49a1b996d68d32ae09db [2020-07-17 12:02:55,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:02:55,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:02:55,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:02:55,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:02:55,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:02:55,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:02:55" (1/1) ... [2020-07-17 12:02:55,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7100592f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:55, skipping insertion in model container [2020-07-17 12:02:55,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:02:55" (1/1) ... [2020-07-17 12:02:55,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:02:55,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:02:55,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:02:55,948 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:02:55,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:02:55,987 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:02:55,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:55 WrapperNode [2020-07-17 12:02:55,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:02:55,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:02:55,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:02:55,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:02:55,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:55" (1/1) ... [2020-07-17 12:02:55,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:55" (1/1) ... [2020-07-17 12:02:56,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:55" (1/1) ... [2020-07-17 12:02:56,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:55" (1/1) ... [2020-07-17 12:02:56,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:55" (1/1) ... [2020-07-17 12:02:56,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:55" (1/1) ... [2020-07-17 12:02:56,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:55" (1/1) ... [2020-07-17 12:02:56,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:02:56,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:02:56,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:02:56,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:02:56,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:55" (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 [2020-07-17 12:02:56,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:02:56,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:02:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-17 12:02:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:02:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:02:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-17 12:02:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:02:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 12:02:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 12:02:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 12:02:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 12:02:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:02:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:02:56,350 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:02:56,351 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 12:02:56,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:02:56 BoogieIcfgContainer [2020-07-17 12:02:56,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:02:56,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:02:56,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:02:56,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:02:56,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:02:55" (1/3) ... [2020-07-17 12:02:56,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75eb35f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:02:56, skipping insertion in model container [2020-07-17 12:02:56,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:55" (2/3) ... [2020-07-17 12:02:56,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75eb35f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:02:56, skipping insertion in model container [2020-07-17 12:02:56,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:02:56" (3/3) ... [2020-07-17 12:02:56,364 INFO L109 eAbstractionObserver]: Analyzing ICFG test_union.c_1.i [2020-07-17 12:02:56,375 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:02:56,383 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:02:56,399 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:02:56,433 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:02:56,434 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:02:56,434 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:02:56,434 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:02:56,434 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:02:56,435 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:02:56,435 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:02:56,435 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:02:56,461 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-07-17 12:02:56,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-17 12:02:56,468 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:02:56,469 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:02:56,470 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:02:56,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:02:56,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1215743292, now seen corresponding path program 1 times [2020-07-17 12:02:56,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:02:56,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446676480] [2020-07-17 12:02:56,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:02:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:56,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:02:56,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446676480] [2020-07-17 12:02:56,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:02:56,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 12:02:56,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575274881] [2020-07-17 12:02:56,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 12:02:56,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:02:56,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 12:02:56,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 12:02:56,726 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 4 states. [2020-07-17 12:02:56,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:02:56,784 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-07-17 12:02:56,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 12:02:56,786 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-07-17 12:02:56,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:02:56,792 INFO L225 Difference]: With dead ends: 22 [2020-07-17 12:02:56,792 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:02:56,795 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 12:02:56,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:02:56,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:02:56,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:02:56,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:02:56,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2020-07-17 12:02:56,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:02:56,818 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:02:56,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 12:02:56,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:02:56,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:02:56,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:02:56,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:02:56,876 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:02:56,876 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-17 12:02:56,876 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:02:56,877 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-07-17 12:02:56,877 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-07-17 12:02:56,877 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-07-17 12:02:56,877 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-07-17 12:02:56,877 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:02:56,877 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 12:02:56,878 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:02:56,878 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:02:56,878 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 23 31) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-17 12:02:56,878 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 23 31) no Hoare annotation was computed. [2020-07-17 12:02:56,878 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-07-17 12:02:56,879 INFO L264 CegarLoopResult]: At program point L27-2(line 27) the Hoare annotation is: false [2020-07-17 12:02:56,879 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 23 31) no Hoare annotation was computed. [2020-07-17 12:02:56,879 INFO L268 CegarLoopResult]: For program point L27-3(line 27) no Hoare annotation was computed. [2020-07-17 12:02:56,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:02:56 BoogieIcfgContainer [2020-07-17 12:02:56,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:02:56,888 INFO L168 Benchmark]: Toolchain (without parser) took 1182.43 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 101.1 MB in the beginning and 139.8 MB in the end (delta: -38.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2020-07-17 12:02:56,889 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 12:02:56,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.25 ms. Allocated memory is still 144.2 MB. Free memory was 100.7 MB in the beginning and 91.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-07-17 12:02:56,891 INFO L168 Benchmark]: Boogie Preprocessor took 114.50 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 91.1 MB in the beginning and 178.9 MB in the end (delta: -87.8 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-07-17 12:02:56,892 INFO L168 Benchmark]: RCFGBuilder took 252.06 ms. Allocated memory is still 200.8 MB. Free memory was 178.9 MB in the beginning and 167.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2020-07-17 12:02:56,893 INFO L168 Benchmark]: TraceAbstraction took 528.30 ms. Allocated memory is still 200.8 MB. Free memory was 167.1 MB in the beginning and 139.8 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2020-07-17 12:02:56,898 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 281.25 ms. Allocated memory is still 144.2 MB. Free memory was 100.7 MB in the beginning and 91.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.50 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 91.1 MB in the beginning and 178.9 MB in the end (delta: -87.8 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 252.06 ms. Allocated memory is still 200.8 MB. Free memory was 178.9 MB in the beginning and 167.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 528.30 ms. Allocated memory is still 200.8 MB. Free memory was 167.1 MB in the beginning and 139.8 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 1 SDslu, 11 SDs, 0 SdLazy, 10 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 17 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 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...