/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/test03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:02:19,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:02:19,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:02:19,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:02:19,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:02:19,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:02:19,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:02:19,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:02:19,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:02:19,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:02:19,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:02:19,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:02:19,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:02:19,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:02:19,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:02:19,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:02:19,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:02:19,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:02:19,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:02:19,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:02:19,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:02:19,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:02:19,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:02:19,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:02:19,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 12:02:19,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:02:19,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:02:19,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:02:19,109 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 12:02:19,145 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:02:19,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:02:19,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:02:19,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:02:19,148 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:02:19,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:02:19,148 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:02:19,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:02:19,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:02:19,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:02:19,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:02:19,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:02:19,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:02:19,151 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:02:19,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:02:19,151 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:02:19,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:02:19,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:02:19,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:02:19,153 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:02:19,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:02:19,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:02:19,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:02:19,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:02:19,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:02:19,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:02:19,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:02:19,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:02:19,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:02:19,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:02:19,417 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:02:19,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:02:19,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:02:19,444 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:02:19,445 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:02:19,446 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test03.c [2020-07-17 12:02:19,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca956fdc9/5c07b5a03ca544cbab6315f510fc63d1/FLAGb8fe26944 [2020-07-17 12:02:20,008 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:02:20,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test03.c [2020-07-17 12:02:20,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca956fdc9/5c07b5a03ca544cbab6315f510fc63d1/FLAGb8fe26944 [2020-07-17 12:02:20,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca956fdc9/5c07b5a03ca544cbab6315f510fc63d1 [2020-07-17 12:02:20,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:02:20,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:02:20,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:02:20,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:02:20,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:02:20,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:02:20" (1/1) ... [2020-07-17 12:02:20,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d885582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:20, skipping insertion in model container [2020-07-17 12:02:20,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:02:20" (1/1) ... [2020-07-17 12:02:20,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:02:20,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:02:20,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:02:20,581 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:02:20,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:02:20,625 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:02:20,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:20 WrapperNode [2020-07-17 12:02:20,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:02:20,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:02:20,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:02:20,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:02:20,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:20" (1/1) ... [2020-07-17 12:02:20,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:20" (1/1) ... [2020-07-17 12:02:20,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:20" (1/1) ... [2020-07-17 12:02:20,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:20" (1/1) ... [2020-07-17 12:02:20,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:20" (1/1) ... [2020-07-17 12:02:20,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:20" (1/1) ... [2020-07-17 12:02:20,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:20" (1/1) ... [2020-07-17 12:02:20,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:02:20,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:02:20,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:02:20,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:02:20,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:20" (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 12:02:20,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:02:20,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:02:20,830 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-17 12:02:20,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:02:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:02:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-17 12:02:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:02:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 12:02:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 12:02:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 12:02:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 12:02:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:02:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:02:21,046 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:02:21,046 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 12:02:21,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:02:21 BoogieIcfgContainer [2020-07-17 12:02:21,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:02:21,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:02:21,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:02:21,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:02:21,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:02:20" (1/3) ... [2020-07-17 12:02:21,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4573c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:02:21, skipping insertion in model container [2020-07-17 12:02:21,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:02:20" (2/3) ... [2020-07-17 12:02:21,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4573c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:02:21, skipping insertion in model container [2020-07-17 12:02:21,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:02:21" (3/3) ... [2020-07-17 12:02:21,063 INFO L109 eAbstractionObserver]: Analyzing ICFG test03.c [2020-07-17 12:02:21,079 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:02:21,088 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:02:21,106 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:02:21,131 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:02:21,131 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:02:21,132 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:02:21,132 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:02:21,132 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:02:21,132 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:02:21,132 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:02:21,133 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:02:21,152 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-07-17 12:02:21,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-17 12:02:21,158 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:02:21,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:02:21,160 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:02:21,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:02:21,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1498735640, now seen corresponding path program 1 times [2020-07-17 12:02:21,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:02:21,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573595542] [2020-07-17 12:02:21,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:02:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:02:21,515 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 12:02:21,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573595542] [2020-07-17 12:02:21,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:02:21,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:02:21,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839306326] [2020-07-17 12:02:21,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 12:02:21,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:02:21,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 12:02:21,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:02:21,540 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 7 states. [2020-07-17 12:02:21,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:02:21,692 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-07-17 12:02:21,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 12:02:21,695 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-07-17 12:02:21,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:02:21,704 INFO L225 Difference]: With dead ends: 22 [2020-07-17 12:02:21,705 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:02:21,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:02:21,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:02:21,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:02:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:02:21,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:02:21,743 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-07-17 12:02:21,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:02:21,744 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:02:21,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 12:02:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:02:21,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:02:21,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:02:21,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:02:21,814 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:02:21,815 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~q~0 |old(~q~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-17 12:02:21,815 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:02:21,815 INFO L268 CegarLoopResult]: For program point fEXIT(lines 4 6) no Hoare annotation was computed. [2020-07-17 12:02:21,815 INFO L271 CegarLoopResult]: At program point fENTRY(lines 4 6) the Hoare annotation is: true [2020-07-17 12:02:21,816 INFO L268 CegarLoopResult]: For program point fFINAL(lines 4 6) no Hoare annotation was computed. [2020-07-17 12:02:21,816 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:02:21,816 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 12:02:21,817 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:02:21,817 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:02:21,817 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-07-17 12:02:21,817 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2020-07-17 12:02:21,818 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 10 28) the Hoare annotation is: (and (= ~q~0 |old(~q~0)|) (= |#valid| |old(#valid)|)) [2020-07-17 12:02:21,818 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 10 28) no Hoare annotation was computed. [2020-07-17 12:02:21,818 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 10 28) no Hoare annotation was computed. [2020-07-17 12:02:21,818 INFO L264 CegarLoopResult]: At program point L21(lines 10 28) the Hoare annotation is: false [2020-07-17 12:02:21,819 INFO L268 CegarLoopResult]: For program point L20(lines 20 22) no Hoare annotation was computed. [2020-07-17 12:02:21,819 INFO L264 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (not (= main_~p1~0.base main_~p2~0.base)) [2020-07-17 12:02:21,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:02:21 BoogieIcfgContainer [2020-07-17 12:02:21,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:02:21,834 INFO L168 Benchmark]: Toolchain (without parser) took 1459.35 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 104.2 MB in the beginning and 124.7 MB in the end (delta: -20.6 MB). Peak memory consumption was 37.1 MB. Max. memory is 7.1 GB. [2020-07-17 12:02:21,835 INFO L168 Benchmark]: CDTParser took 1.54 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 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. [2020-07-17 12:02:21,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.09 ms. Allocated memory is still 146.3 MB. Free memory was 103.7 MB in the beginning and 94.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-07-17 12:02:21,837 INFO L168 Benchmark]: Boogie Preprocessor took 128.94 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 94.1 MB in the beginning and 182.2 MB in the end (delta: -88.1 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-17 12:02:21,838 INFO L168 Benchmark]: RCFGBuilder took 296.81 ms. Allocated memory is still 203.9 MB. Free memory was 182.2 MB in the beginning and 168.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-07-17 12:02:21,839 INFO L168 Benchmark]: TraceAbstraction took 777.09 ms. Allocated memory is still 203.9 MB. Free memory was 168.3 MB in the beginning and 124.7 MB in the end (delta: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. [2020-07-17 12:02:21,843 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.54 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 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 251.09 ms. Allocated memory is still 146.3 MB. Free memory was 103.7 MB in the beginning and 94.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.94 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 94.1 MB in the beginning and 182.2 MB in the end (delta: -88.1 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 296.81 ms. Allocated memory is still 203.9 MB. Free memory was 182.2 MB in the beginning and 168.9 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 777.09 ms. Allocated memory is still 203.9 MB. Free memory was 168.3 MB in the beginning and 124.7 MB in the end (delta: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 26]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 3 SDslu, 34 SDs, 0 SdLazy, 32 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 28 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 612 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...