/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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/psyco/psyco_math_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:38:00,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:38:00,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:38:00,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:38:00,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:38:00,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:38:00,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:38:00,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:38:00,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:38:00,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:38:00,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:38:00,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:38:00,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:38:00,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:38:00,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:38:00,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:38:00,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:38:00,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:38:00,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:38:00,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:38:00,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:38:00,140 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:38:00,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:38:00,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:38:00,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:38:00,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:38:00,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:38:00,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:38:00,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:38:00,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:38:00,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:38:00,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:38:00,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:38:00,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:38:00,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:38:00,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:38:00,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:38:00,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:38:00,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:38:00,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:38:00,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:38:00,157 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 [2019-11-07 04:38:00,171 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:38:00,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:38:00,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:38:00,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:38:00,172 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:38:00,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:38:00,173 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:38:00,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:38:00,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:38:00,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:38:00,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:38:00,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:38:00,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:38:00,174 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:38:00,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:38:00,175 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:38:00,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:38:00,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:38:00,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:38:00,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:38:00,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:38:00,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:38:00,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:38:00,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:38:00,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:38:00,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:38:00,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:38:00,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:38:00,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:38:00,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:38:00,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:38:00,466 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:38:00,467 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:38:00,468 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:38:00,468 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_math_1.c [2019-11-07 04:38:00,547 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbdf57cb6/878397cf3f114f14a54421866b741325/FLAG73700b19b [2019-11-07 04:38:01,059 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:38:01,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c [2019-11-07 04:38:01,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbdf57cb6/878397cf3f114f14a54421866b741325/FLAG73700b19b [2019-11-07 04:38:01,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbdf57cb6/878397cf3f114f14a54421866b741325 [2019-11-07 04:38:01,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:38:01,474 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:38:01,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:38:01,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:38:01,479 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:38:01,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:38:01" (1/1) ... [2019-11-07 04:38:01,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d3a359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:01, skipping insertion in model container [2019-11-07 04:38:01,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:38:01" (1/1) ... [2019-11-07 04:38:01,490 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:38:01,529 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:38:01,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:38:01,806 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:38:01,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:38:01,935 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:38:01,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:01 WrapperNode [2019-11-07 04:38:01,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:38:01,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:38:01,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:38:01,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:38:01,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:01" (1/1) ... [2019-11-07 04:38:01,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:01" (1/1) ... [2019-11-07 04:38:01,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:01" (1/1) ... [2019-11-07 04:38:01,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:01" (1/1) ... [2019-11-07 04:38:01,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:01" (1/1) ... [2019-11-07 04:38:01,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:01" (1/1) ... [2019-11-07 04:38:01,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:01" (1/1) ... [2019-11-07 04:38:01,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:38:01,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:38:01,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:38:01,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:38:01,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:01" (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 [2019-11-07 04:38:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:38:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:38:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:38:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:38:02,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:38:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:38:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:38:02,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:38:02,596 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:38:02,597 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-07 04:38:02,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:38:02 BoogieIcfgContainer [2019-11-07 04:38:02,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:38:02,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:38:02,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:38:02,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:38:02,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:38:01" (1/3) ... [2019-11-07 04:38:02,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4189159f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:38:02, skipping insertion in model container [2019-11-07 04:38:02,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:38:01" (2/3) ... [2019-11-07 04:38:02,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4189159f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:38:02, skipping insertion in model container [2019-11-07 04:38:02,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:38:02" (3/3) ... [2019-11-07 04:38:02,612 INFO L109 eAbstractionObserver]: Analyzing ICFG psyco_math_1.c [2019-11-07 04:38:02,622 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:38:02,632 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:38:02,645 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:38:02,673 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:38:02,673 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:38:02,673 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:38:02,673 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:38:02,674 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:38:02,674 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:38:02,674 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:38:02,674 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:38:02,695 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2019-11-07 04:38:02,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-07 04:38:02,701 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:38:02,702 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:38:02,704 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:38:02,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:38:02,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1419764736, now seen corresponding path program 1 times [2019-11-07 04:38:02,716 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:38:02,717 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042132575] [2019-11-07 04:38:02,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:38:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:38:02,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:38:02,879 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042132575] [2019-11-07 04:38:02,880 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:38:02,880 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:38:02,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706970698] [2019-11-07 04:38:02,887 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:38:02,887 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:38:02,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:38:02,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:38:02,905 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2019-11-07 04:38:02,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:38:02,936 INFO L93 Difference]: Finished difference Result 138 states and 257 transitions. [2019-11-07 04:38:02,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:38:02,938 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-07 04:38:02,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:38:02,944 INFO L225 Difference]: With dead ends: 138 [2019-11-07 04:38:02,945 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:38:02,949 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:38:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:38:02,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:38:02,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:38:02,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:38:02,974 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-07 04:38:02,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:38:02,975 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:38:02,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:38:02,975 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:38:02,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:38:02,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:38:03,007 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:38:03,007 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:38:03,007 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:38:03,007 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-07 04:38:03,008 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:38:03,008 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:38:03,008 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 18 361) no Hoare annotation was computed. [2019-11-07 04:38:03,008 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 194) no Hoare annotation was computed. [2019-11-07 04:38:03,008 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 100) no Hoare annotation was computed. [2019-11-07 04:38:03,009 INFO L443 ceAbstractionStarter]: For program point L52(lines 52 62) no Hoare annotation was computed. [2019-11-07 04:38:03,009 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 236) no Hoare annotation was computed. [2019-11-07 04:38:03,009 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 84) no Hoare annotation was computed. [2019-11-07 04:38:03,009 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 166) no Hoare annotation was computed. [2019-11-07 04:38:03,009 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 130) no Hoare annotation was computed. [2019-11-07 04:38:03,010 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 179) no Hoare annotation was computed. [2019-11-07 04:38:03,010 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 353) no Hoare annotation was computed. [2019-11-07 04:38:03,010 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 114) no Hoare annotation was computed. [2019-11-07 04:38:03,010 INFO L443 ceAbstractionStarter]: For program point L219(lines 219 221) no Hoare annotation was computed. [2019-11-07 04:38:03,010 INFO L443 ceAbstractionStarter]: For program point L87(lines 87 98) no Hoare annotation was computed. [2019-11-07 04:38:03,010 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 18 361) no Hoare annotation was computed. [2019-11-07 04:38:03,011 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 205) no Hoare annotation was computed. [2019-11-07 04:38:03,011 INFO L443 ceAbstractionStarter]: For program point L137(lines 137 151) no Hoare annotation was computed. [2019-11-07 04:38:03,011 INFO L443 ceAbstractionStarter]: For program point L71(lines 71 82) no Hoare annotation was computed. [2019-11-07 04:38:03,011 INFO L446 ceAbstractionStarter]: At program point L352(lines 26 356) the Hoare annotation is: true [2019-11-07 04:38:03,011 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 164) no Hoare annotation was computed. [2019-11-07 04:38:03,011 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 350) no Hoare annotation was computed. [2019-11-07 04:38:03,012 INFO L443 ceAbstractionStarter]: For program point L188(lines 188 190) no Hoare annotation was computed. [2019-11-07 04:38:03,012 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 58) no Hoare annotation was computed. [2019-11-07 04:38:03,012 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 149) no Hoare annotation was computed. [2019-11-07 04:38:03,012 INFO L443 ceAbstractionStarter]: For program point L321(lines 321 335) no Hoare annotation was computed. [2019-11-07 04:38:03,012 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 125) no Hoare annotation was computed. [2019-11-07 04:38:03,013 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 348) no Hoare annotation was computed. [2019-11-07 04:38:03,013 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 320) no Hoare annotation was computed. [2019-11-07 04:38:03,013 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 175) no Hoare annotation was computed. [2019-11-07 04:38:03,013 INFO L443 ceAbstractionStarter]: For program point L107(lines 107 109) no Hoare annotation was computed. [2019-11-07 04:38:03,013 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 304) no Hoare annotation was computed. [2019-11-07 04:38:03,014 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 360) no Hoare annotation was computed. [2019-11-07 04:38:03,014 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 93) no Hoare annotation was computed. [2019-11-07 04:38:03,014 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 77) no Hoare annotation was computed. [2019-11-07 04:38:03,014 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 333) no Hoare annotation was computed. [2019-11-07 04:38:03,014 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 160) no Hoare annotation was computed. [2019-11-07 04:38:03,014 INFO L446 ceAbstractionStarter]: At program point L26-2(lines 26 356) the Hoare annotation is: true [2019-11-07 04:38:03,015 INFO L443 ceAbstractionStarter]: For program point L26-3(lines 26 356) no Hoare annotation was computed. [2019-11-07 04:38:03,015 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 318) no Hoare annotation was computed. [2019-11-07 04:38:03,015 INFO L443 ceAbstractionStarter]: For program point L274(lines 274 288) no Hoare annotation was computed. [2019-11-07 04:38:03,015 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 302) no Hoare annotation was computed. [2019-11-07 04:38:03,015 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 145) no Hoare annotation was computed. [2019-11-07 04:38:03,016 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 273) no Hoare annotation was computed. [2019-11-07 04:38:03,016 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 344) no Hoare annotation was computed. [2019-11-07 04:38:03,016 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 286) no Hoare annotation was computed. [2019-11-07 04:38:03,016 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 258) no Hoare annotation was computed. [2019-11-07 04:38:03,016 INFO L439 ceAbstractionStarter]: At program point L343(lines 18 361) the Hoare annotation is: false [2019-11-07 04:38:03,017 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 329) no Hoare annotation was computed. [2019-11-07 04:38:03,017 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 271) no Hoare annotation was computed. [2019-11-07 04:38:03,017 INFO L443 ceAbstractionStarter]: For program point L228(lines 228 242) no Hoare annotation was computed. [2019-11-07 04:38:03,017 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 18 361) the Hoare annotation is: true [2019-11-07 04:38:03,017 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 313) no Hoare annotation was computed. [2019-11-07 04:38:03,018 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 256) no Hoare annotation was computed. [2019-11-07 04:38:03,018 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 297) no Hoare annotation was computed. [2019-11-07 04:38:03,018 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 227) no Hoare annotation was computed. [2019-11-07 04:38:03,018 INFO L443 ceAbstractionStarter]: For program point L230(lines 230 240) no Hoare annotation was computed. [2019-11-07 04:38:03,018 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 212) no Hoare annotation was computed. [2019-11-07 04:38:03,018 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 282) no Hoare annotation was computed. [2019-11-07 04:38:03,019 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 67) no Hoare annotation was computed. [2019-11-07 04:38:03,019 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 225) no Hoare annotation was computed. [2019-11-07 04:38:03,019 INFO L443 ceAbstractionStarter]: For program point L182(lines 182 196) no Hoare annotation was computed. [2019-11-07 04:38:03,019 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 64) no Hoare annotation was computed. [2019-11-07 04:38:03,019 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 267) no Hoare annotation was computed. [2019-11-07 04:38:03,020 INFO L443 ceAbstractionStarter]: For program point L199(lines 199 210) no Hoare annotation was computed. [2019-11-07 04:38:03,020 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 251) no Hoare annotation was computed. [2019-11-07 04:38:03,020 INFO L443 ceAbstractionStarter]: For program point L117(lines 117 132) no Hoare annotation was computed. [2019-11-07 04:38:03,020 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 181) no Hoare annotation was computed. [2019-11-07 04:38:03,020 INFO L443 ceAbstractionStarter]: For program point L101(lines 101 116) no Hoare annotation was computed. [2019-11-07 04:38:03,020 INFO L443 ceAbstractionStarter]: For program point L68(lines 68 135) no Hoare annotation was computed. [2019-11-07 04:38:03,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:38:03 BoogieIcfgContainer [2019-11-07 04:38:03,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:38:03,033 INFO L168 Benchmark]: Toolchain (without parser) took 1557.12 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.8 MB in the beginning and 120.3 MB in the end (delta: -17.5 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:38:03,033 INFO L168 Benchmark]: CDTParser took 1.29 ms. Allocated memory is still 138.4 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 04:38:03,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.04 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.4 MB in the beginning and 178.5 MB in the end (delta: -76.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-11-07 04:38:03,036 INFO L168 Benchmark]: Boogie Preprocessor took 50.22 ms. Allocated memory is still 201.9 MB. Free memory was 178.5 MB in the beginning and 176.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-11-07 04:38:03,037 INFO L168 Benchmark]: RCFGBuilder took 611.83 ms. Allocated memory is still 201.9 MB. Free memory was 176.6 MB in the beginning and 147.2 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2019-11-07 04:38:03,038 INFO L168 Benchmark]: TraceAbstraction took 429.49 ms. Allocated memory is still 201.9 MB. Free memory was 146.3 MB in the beginning and 120.3 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:38:03,042 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29 ms. Allocated memory is still 138.4 MB. Free memory is still 121.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 461.04 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.4 MB in the beginning and 178.5 MB in the end (delta: -76.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.22 ms. Allocated memory is still 201.9 MB. Free memory was 178.5 MB in the beginning and 176.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 611.83 ms. Allocated memory is still 201.9 MB. Free memory was 176.6 MB in the beginning and 147.2 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 429.49 ms. Allocated memory is still 201.9 MB. Free memory was 146.3 MB in the beginning and 120.3 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 360]: 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: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 74 locations, 1 error locations. Result: SAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 98 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred 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, 9 NumberOfFragments, 7 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...