/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/test18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:29:00,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:29:00,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:29:00,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-06 22:29:00,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:29:00,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:29:00,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:29:00,797 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 [2020-11-06 22:29:00,850 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:29:00,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:29:00,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:29:00,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:29:00,852 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:29:00,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:29:00,852 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:29:00,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:29:00,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:29:00,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:29:00,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:29:00,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:29:00,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:29:00,854 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:29:00,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:29:00,854 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:29:00,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:29:00,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:29:00,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:29:00,855 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:29:00,855 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:29:00,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:29:00,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:29:00,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:29:00,856 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:29:00,856 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:29:00,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:29:00,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:29:00,857 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:29:00,857 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:29:01,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:29:01,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:29:01,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:29:01,237 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:29:01,238 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:29:01,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test18.c [2020-11-06 22:29:01,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07ca02590/41776a04815246dcbe480e464a8fe65f/FLAG93e54b370 [2020-11-06 22:29:01,868 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:29:01,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test18.c [2020-11-06 22:29:01,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07ca02590/41776a04815246dcbe480e464a8fe65f/FLAG93e54b370 [2020-11-06 22:29:02,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07ca02590/41776a04815246dcbe480e464a8fe65f [2020-11-06 22:29:02,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:29:02,253 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:29:02,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:29:02,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:29:02,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:29:02,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:29:02" (1/1) ... [2020-11-06 22:29:02,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475c6913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:29:02, skipping insertion in model container [2020-11-06 22:29:02,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:29:02" (1/1) ... [2020-11-06 22:29:02,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:29:02,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:29:02,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:29:02,468 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:29:02,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:29:02,508 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:29:02,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:29:02 WrapperNode [2020-11-06 22:29:02,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:29:02,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:29:02,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:29:02,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:29:02,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:29:02" (1/1) ... [2020-11-06 22:29:02,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:29:02" (1/1) ... [2020-11-06 22:29:02,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:29:02" (1/1) ... [2020-11-06 22:29:02,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:29:02" (1/1) ... [2020-11-06 22:29:02,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:29:02" (1/1) ... [2020-11-06 22:29:02,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:29:02" (1/1) ... [2020-11-06 22:29:02,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:29:02" (1/1) ... [2020-11-06 22:29:02,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:29:02,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:29:02,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:29:02,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:29:02,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:29:02" (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 [2020-11-06 22:29:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:29:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:29:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:29:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-06 22:29:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-06 22:29:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:29:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:29:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:29:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:29:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:29:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-06 22:29:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 22:29:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 22:29:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-06 22:29:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:29:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:29:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:29:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:29:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:29:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:29:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:29:02,957 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:29:02,958 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-06 22:29:02,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:29:02 BoogieIcfgContainer [2020-11-06 22:29:02,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:29:02,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:29:02,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:29:02,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:29:02,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:29:02" (1/3) ... [2020-11-06 22:29:02,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8d4d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:29:02, skipping insertion in model container [2020-11-06 22:29:02,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:29:02" (2/3) ... [2020-11-06 22:29:02,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8d4d6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:29:02, skipping insertion in model container [2020-11-06 22:29:02,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:29:02" (3/3) ... [2020-11-06 22:29:02,969 INFO L111 eAbstractionObserver]: Analyzing ICFG test18.c [2020-11-06 22:29:02,986 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:29:02,989 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:29:03,002 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:29:03,047 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:29:03,047 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:29:03,047 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:29:03,047 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:29:03,048 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:29:03,048 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:29:03,048 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:29:03,048 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:29:03,103 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-11-06 22:29:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-06 22:29:03,119 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:29:03,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:29:03,121 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:29:03,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:29:03,137 INFO L82 PathProgramCache]: Analyzing trace with hash 997542768, now seen corresponding path program 1 times [2020-11-06 22:29:03,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:29:03,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812785194] [2020-11-06 22:29:03,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:29:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:29:03,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:29:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:29:03,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:29:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:29:03,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:29:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:29:03,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:29:03,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812785194] [2020-11-06 22:29:03,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:29:03,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-06 22:29:03,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930517823] [2020-11-06 22:29:03,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 22:29:03,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:29:03,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 22:29:03,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:29:03,898 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 11 states. [2020-11-06 22:29:04,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:29:04,171 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2020-11-06 22:29:04,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 22:29:04,173 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2020-11-06 22:29:04,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:29:04,180 INFO L225 Difference]: With dead ends: 31 [2020-11-06 22:29:04,180 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:29:04,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-11-06 22:29:04,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:29:04,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:29:04,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:29:04,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:29:04,213 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-11-06 22:29:04,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:29:04,213 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:29:04,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 22:29:04,213 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:29:04,214 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:29:04,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:29:04,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:29:04,462 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 22:29:04,463 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 22:29:04,463 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 22:29:04,463 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 22:29:04,463 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:29:04,464 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-11-06 22:29:04,464 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:29:04,464 INFO L262 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|) (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|)) [2020-11-06 22:29:04,464 INFO L266 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2020-11-06 22:29:04,465 INFO L266 CegarLoopResult]: For program point fEXIT(lines 10 13) no Hoare annotation was computed. [2020-11-06 22:29:04,465 INFO L262 CegarLoopResult]: At program point fENTRY(lines 10 13) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-11-06 22:29:04,465 INFO L266 CegarLoopResult]: For program point fFINAL(lines 10 13) no Hoare annotation was computed. [2020-11-06 22:29:04,465 INFO L266 CegarLoopResult]: For program point gEXIT(lines 6 8) no Hoare annotation was computed. [2020-11-06 22:29:04,465 INFO L266 CegarLoopResult]: For program point gFINAL(lines 6 8) no Hoare annotation was computed. [2020-11-06 22:29:04,466 INFO L262 CegarLoopResult]: At program point gENTRY(lines 6 8) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-11-06 22:29:04,466 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:29:04,466 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-06 22:29:04,466 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:29:04,466 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:29:04,467 INFO L262 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-11-06 22:29:04,467 INFO L266 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-11-06 22:29:04,467 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 15 26) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-11-06 22:29:04,467 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 15 26) no Hoare annotation was computed. [2020-11-06 22:29:04,467 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 15 26) no Hoare annotation was computed. [2020-11-06 22:29:04,468 INFO L266 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-11-06 22:29:04,468 INFO L262 CegarLoopResult]: At program point L19(lines 15 26) the Hoare annotation is: false [2020-11-06 22:29:04,468 INFO L266 CegarLoopResult]: For program point L18(lines 18 20) no Hoare annotation was computed. [2020-11-06 22:29:04,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:29:04 BoogieIcfgContainer [2020-11-06 22:29:04,479 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:29:04,482 INFO L168 Benchmark]: Toolchain (without parser) took 2233.29 ms. Allocated memory was 163.6 MB in the beginning and 199.2 MB in the end (delta: 35.7 MB). Free memory was 139.2 MB in the beginning and 173.6 MB in the end (delta: -34.4 MB). Peak memory consumption was 87.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:29:04,483 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 163.6 MB. Free memory is still 137.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:29:04,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.58 ms. Allocated memory is still 163.6 MB. Free memory was 138.7 MB in the beginning and 129.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:29:04,485 INFO L168 Benchmark]: Boogie Preprocessor took 39.23 ms. Allocated memory is still 163.6 MB. Free memory was 129.6 MB in the beginning and 128.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:29:04,486 INFO L168 Benchmark]: RCFGBuilder took 410.65 ms. Allocated memory is still 163.6 MB. Free memory was 128.0 MB in the beginning and 112.8 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:29:04,487 INFO L168 Benchmark]: TraceAbstraction took 1517.54 ms. Allocated memory was 163.6 MB in the beginning and 199.2 MB in the end (delta: 35.7 MB). Free memory was 112.3 MB in the beginning and 173.6 MB in the end (delta: -61.3 MB). Peak memory consumption was 60.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:29:04,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 163.6 MB. Free memory is still 137.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 251.58 ms. Allocated memory is still 163.6 MB. Free memory was 138.7 MB in the beginning and 129.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.23 ms. Allocated memory is still 163.6 MB. Free memory was 129.6 MB in the beginning and 128.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 410.65 ms. Allocated memory is still 163.6 MB. Free memory was 128.0 MB in the beginning and 112.8 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1517.54 ms. Allocated memory was 163.6 MB in the beginning and 199.2 MB in the end (delta: 35.7 MB). Free memory was 112.3 MB in the beginning and 173.6 MB in the end (delta: -61.3 MB). Peak memory consumption was 60.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 15]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 3 SDslu, 45 SDs, 0 SdLazy, 105 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 10 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 102 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 87 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 2952 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...