/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 03:37:38,806 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-20 03:37:38,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 03:37:38,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 03:37:38,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 03:37:38,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 03:37:38,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 03:37:38,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 03:37:38,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 03:37:38,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 03:37:38,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 03:37:38,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 03:37:38,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 03:37:38,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 03:37:38,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 03:37:38,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 03:37:38,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 03:37:38,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 03:37:38,883 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 [2020-07-20 03:37:38,914 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 03:37:38,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 03:37:38,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 03:37:38,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 03:37:38,917 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 03:37:38,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 03:37:38,917 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 03:37:38,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 03:37:38,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 03:37:38,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 03:37:38,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 03:37:38,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 03:37:38,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 03:37:38,918 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 03:37:38,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 03:37:38,919 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 03:37:38,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 03:37:38,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 03:37:38,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 03:37:38,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 03:37:38,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 03:37:38,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 03:37:38,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 03:37:38,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 03:37:38,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 03:37:38,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 03:37:38,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 03:37:38,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 03:37:38,922 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 03:37:38,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 03:37:39,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 03:37:39,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 03:37:39,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 03:37:39,231 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 03:37:39,233 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 03:37:39,234 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test01.c [2020-07-20 03:37:39,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dffe85378/1fce6624e5f54241b2725ba575822aad/FLAG418f6fbd8 [2020-07-20 03:37:39,812 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 03:37:39,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test01.c [2020-07-20 03:37:39,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dffe85378/1fce6624e5f54241b2725ba575822aad/FLAG418f6fbd8 [2020-07-20 03:37:40,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dffe85378/1fce6624e5f54241b2725ba575822aad [2020-07-20 03:37:40,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 03:37:40,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 03:37:40,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 03:37:40,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 03:37:40,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 03:37:40,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:37:40" (1/1) ... [2020-07-20 03:37:40,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c002cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:37:40, skipping insertion in model container [2020-07-20 03:37:40,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:37:40" (1/1) ... [2020-07-20 03:37:40,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 03:37:40,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 03:37:40,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:37:40,376 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 03:37:40,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 03:37:40,413 INFO L208 MainTranslator]: Completed translation [2020-07-20 03:37:40,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:37:40 WrapperNode [2020-07-20 03:37:40,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 03:37:40,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 03:37:40,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 03:37:40,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 03:37:40,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:37:40" (1/1) ... [2020-07-20 03:37:40,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:37:40" (1/1) ... [2020-07-20 03:37:40,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:37:40" (1/1) ... [2020-07-20 03:37:40,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:37:40" (1/1) ... [2020-07-20 03:37:40,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:37:40" (1/1) ... [2020-07-20 03:37:40,528 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:37:40" (1/1) ... [2020-07-20 03:37:40,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:37:40" (1/1) ... [2020-07-20 03:37:40,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 03:37:40,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 03:37:40,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 03:37:40,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 03:37:40,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:37:40" (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 [2020-07-20 03:37:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 03:37:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 03:37:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 03:37:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 03:37:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 03:37:40,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 03:37:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 03:37:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 03:37:40,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 03:37:40,793 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 03:37:40,793 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 03:37:40,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:37:40 BoogieIcfgContainer [2020-07-20 03:37:40,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 03:37:40,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 03:37:40,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 03:37:40,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 03:37:40,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:37:40" (1/3) ... [2020-07-20 03:37:40,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d4ff37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:37:40, skipping insertion in model container [2020-07-20 03:37:40,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:37:40" (2/3) ... [2020-07-20 03:37:40,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d4ff37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:37:40, skipping insertion in model container [2020-07-20 03:37:40,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:37:40" (3/3) ... [2020-07-20 03:37:40,805 INFO L109 eAbstractionObserver]: Analyzing ICFG test01.c [2020-07-20 03:37:40,816 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 03:37:40,823 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 03:37:40,836 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 03:37:40,858 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 03:37:40,858 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 03:37:40,858 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 03:37:40,859 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 03:37:40,859 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 03:37:40,859 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 03:37:40,859 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 03:37:40,859 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 03:37:40,876 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-07-20 03:37:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-07-20 03:37:40,882 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 03:37:40,883 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 03:37:40,884 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 03:37:40,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 03:37:40,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1160017433, now seen corresponding path program 1 times [2020-07-20 03:37:40,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 03:37:40,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106481579] [2020-07-20 03:37:40,902 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@57e450b1 [2020-07-20 03:37:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:37:41,246 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-07-20 03:37:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 03:37:41,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 03:37:41,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106481579] [2020-07-20 03:37:41,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 03:37:41,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 03:37:41,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138319752] [2020-07-20 03:37:41,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 03:37:41,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 03:37:41,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 03:37:41,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 03:37:41,285 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 4 states. [2020-07-20 03:37:41,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 03:37:41,379 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2020-07-20 03:37:41,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 03:37:41,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-07-20 03:37:41,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 03:37:41,395 INFO L225 Difference]: With dead ends: 17 [2020-07-20 03:37:41,396 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 03:37:41,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 03:37:41,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 03:37:41,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 03:37:41,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 03:37:41,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 03:37:41,433 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2020-07-20 03:37:41,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 03:37:41,433 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 03:37:41,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 03:37:41,435 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 03:37:41,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 03:37:41,435 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 03:37:41,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 03:37:41,490 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:37:41,490 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)|)) [2020-07-20 03:37:41,491 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:37:41,491 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 03:37:41,491 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-20 03:37:41,491 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 03:37:41,492 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 03:37:41,492 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2020-07-20 03:37:41,493 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 4 17) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-20 03:37:41,493 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 4 17) no Hoare annotation was computed. [2020-07-20 03:37:41,493 INFO L264 CegarLoopResult]: At program point L10(lines 4 17) the Hoare annotation is: false [2020-07-20 03:37:41,493 INFO L268 CegarLoopResult]: For program point L9(lines 9 11) no Hoare annotation was computed. [2020-07-20 03:37:41,493 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 4 17) no Hoare annotation was computed. [2020-07-20 03:37:41,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 03:37:41 BoogieIcfgContainer [2020-07-20 03:37:41,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 03:37:41,507 INFO L168 Benchmark]: Toolchain (without parser) took 1329.02 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 141.2 MB in the end (delta: -38.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-07-20 03:37:41,508 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 03:37:41,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.10 ms. Allocated memory is still 138.4 MB. Free memory was 101.9 MB in the beginning and 92.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-07-20 03:37:41,510 INFO L168 Benchmark]: Boogie Preprocessor took 115.13 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 92.7 MB in the beginning and 180.6 MB in the end (delta: -87.9 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-20 03:37:41,511 INFO L168 Benchmark]: RCFGBuilder took 264.94 ms. Allocated memory is still 201.9 MB. Free memory was 180.6 MB in the beginning and 168.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2020-07-20 03:37:41,512 INFO L168 Benchmark]: TraceAbstraction took 707.28 ms. Allocated memory is still 201.9 MB. Free memory was 168.1 MB in the beginning and 141.2 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2020-07-20 03:37:41,516 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 234.10 ms. Allocated memory is still 138.4 MB. Free memory was 101.9 MB in the beginning and 92.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.13 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 92.7 MB in the beginning and 180.6 MB in the end (delta: -87.9 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 264.94 ms. Allocated memory is still 201.9 MB. Free memory was 180.6 MB in the beginning and 168.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 707.28 ms. Allocated memory is still 201.9 MB. Free memory was 168.1 MB in the beginning and 141.2 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: 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: 4]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 2 SDslu, 10 SDs, 0 SdLazy, 8 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, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 16 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 133 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...