/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-regression/mutex_lock_int.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 19:54:09,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 19:54:09,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 19:54:09,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 19:54:09,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 19:54:09,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 19:54:09,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 19:54:09,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 19:54:09,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 19:54:09,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 19:54:09,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 19:54:09,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 19:54:09,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 19:54:09,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 19:54:09,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 19:54:09,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 19:54:09,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 19:54:09,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 19:54:09,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 19:54:09,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 19:54:09,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 19:54:09,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 19:54:09,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 19:54:09,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 19:54:09,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 19:54:09,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 19:54:09,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 19:54:09,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 19:54:09,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 19:54:09,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-10-27 19:54:09,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 19:54:09,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 19:54:09,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 19:54:09,392 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 19:54:09,429 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 19:54:09,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 19:54:09,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 19:54:09,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 19:54:09,432 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 19:54:09,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 19:54:09,433 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 19:54:09,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 19:54:09,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 19:54:09,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 19:54:09,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 19:54:09,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 19:54:09,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 19:54:09,434 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 19:54:09,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 19:54:09,435 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 19:54:09,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 19:54:09,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 19:54:09,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 19:54:09,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 19:54:09,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 19:54:09,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 19:54:09,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 19:54:09,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 19:54:09,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 19:54:09,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 19:54:09,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 19:54:09,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 19:54:09,439 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 19:54:09,439 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 19:54:09,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 19:54:09,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 19:54:09,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 19:54:09,966 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 19:54:09,967 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 19:54:09,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/mutex_lock_int.c_1.i [2020-10-27 19:54:10,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c6162ebd1/e810a124157142dab5e621ccc3b6d5de/FLAG247190676 [2020-10-27 19:54:10,756 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 19:54:10,757 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/mutex_lock_int.c_1.i [2020-10-27 19:54:10,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c6162ebd1/e810a124157142dab5e621ccc3b6d5de/FLAG247190676 [2020-10-27 19:54:11,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c6162ebd1/e810a124157142dab5e621ccc3b6d5de [2020-10-27 19:54:11,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 19:54:11,124 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 19:54:11,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 19:54:11,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 19:54:11,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 19:54:11,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:54:11" (1/1) ... [2020-10-27 19:54:11,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9c759a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:11, skipping insertion in model container [2020-10-27 19:54:11,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:54:11" (1/1) ... [2020-10-27 19:54:11,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 19:54:11,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 19:54:11,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:54:11,396 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 19:54:11,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:54:11,431 INFO L208 MainTranslator]: Completed translation [2020-10-27 19:54:11,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:11 WrapperNode [2020-10-27 19:54:11,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 19:54:11,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 19:54:11,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 19:54:11,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 19:54:11,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:11" (1/1) ... [2020-10-27 19:54:11,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:11" (1/1) ... [2020-10-27 19:54:11,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:11" (1/1) ... [2020-10-27 19:54:11,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:11" (1/1) ... [2020-10-27 19:54:11,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:11" (1/1) ... [2020-10-27 19:54:11,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:11" (1/1) ... [2020-10-27 19:54:11,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:11" (1/1) ... [2020-10-27 19:54:11,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 19:54:11,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 19:54:11,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 19:54:11,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 19:54:11,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-27 19:54:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 19:54:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 19:54:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 19:54:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2020-10-27 19:54:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-27 19:54:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-27 19:54:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 19:54:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 19:54:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 19:54:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 19:54:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 19:54:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure err [2020-10-27 19:54:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-27 19:54:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 19:54:11,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 19:54:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-27 19:54:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 19:54:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 19:54:11,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 19:54:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 19:54:11,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 19:54:12,094 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 19:54:12,094 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 19:54:12,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:54:12 BoogieIcfgContainer [2020-10-27 19:54:12,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 19:54:12,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 19:54:12,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 19:54:12,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 19:54:12,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:54:11" (1/3) ... [2020-10-27 19:54:12,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49617e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:54:12, skipping insertion in model container [2020-10-27 19:54:12,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:11" (2/3) ... [2020-10-27 19:54:12,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49617e72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:54:12, skipping insertion in model container [2020-10-27 19:54:12,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:54:12" (3/3) ... [2020-10-27 19:54:12,111 INFO L111 eAbstractionObserver]: Analyzing ICFG mutex_lock_int.c_1.i [2020-10-27 19:54:12,126 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 19:54:12,131 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 19:54:12,146 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 19:54:12,192 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 19:54:12,192 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 19:54:12,192 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 19:54:12,192 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 19:54:12,193 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 19:54:12,193 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 19:54:12,193 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 19:54:12,193 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 19:54:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-10-27 19:54:12,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-27 19:54:12,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:54:12,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:54:12,234 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:54:12,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:54:12,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1210577418, now seen corresponding path program 1 times [2020-10-27 19:54:12,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:54:12,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1289277478] [2020-10-27 19:54:12,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:54:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:12,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:12,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:12,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 19:54:12,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:12,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-10-27 19:54:12,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:54:12,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 19:54:12,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:54:12,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 19:54:13,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:54:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:13,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:13,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:13,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:13,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:13,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:54:13,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:13,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:13,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:13,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:13,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:13,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 19:54:13,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1289277478] [2020-10-27 19:54:13,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:54:13,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 19:54:13,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835949525] [2020-10-27 19:54:13,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 19:54:13,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:54:13,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 19:54:13,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 19:54:13,072 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 6 states. [2020-10-27 19:54:13,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:54:13,297 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2020-10-27 19:54:13,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 19:54:13,299 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-10-27 19:54:13,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:54:13,307 INFO L225 Difference]: With dead ends: 51 [2020-10-27 19:54:13,308 INFO L226 Difference]: Without dead ends: 19 [2020-10-27 19:54:13,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-27 19:54:13,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-10-27 19:54:13,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-27 19:54:13,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-27 19:54:13,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2020-10-27 19:54:13,358 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 12 [2020-10-27 19:54:13,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:54:13,359 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2020-10-27 19:54:13,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 19:54:13,359 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2020-10-27 19:54:13,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-27 19:54:13,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:54:13,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:54:13,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 19:54:13,361 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:54:13,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:54:13,362 INFO L82 PathProgramCache]: Analyzing trace with hash 99359692, now seen corresponding path program 1 times [2020-10-27 19:54:13,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:54:13,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [864785639] [2020-10-27 19:54:13,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:54:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:13,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:13,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:13,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 19:54:13,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:13,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-10-27 19:54:13,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:13,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:54:13,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 19:54:13,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 19:54:13,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:13,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:54:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:13,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:13,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:13,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:13,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:13,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:54:13,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:13,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:13,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:54:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:13,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:13,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:13,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:54:13,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:13,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:54:13,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:13,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:54:13,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:13,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:54:13,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 19:54:13,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [864785639] [2020-10-27 19:54:13,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:54:13,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 19:54:13,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836282075] [2020-10-27 19:54:13,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 19:54:13,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:54:13,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 19:54:13,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-27 19:54:13,786 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 9 states. [2020-10-27 19:54:14,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:54:14,116 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-10-27 19:54:14,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 19:54:14,116 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2020-10-27 19:54:14,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:54:14,117 INFO L225 Difference]: With dead ends: 19 [2020-10-27 19:54:14,117 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 19:54:14,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2020-10-27 19:54:14,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 19:54:14,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 19:54:14,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 19:54:14,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 19:54:14,119 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-27 19:54:14,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:54:14,120 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 19:54:14,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 19:54:14,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 19:54:14,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 19:54:14,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 19:54:14,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 19:54:14,312 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 19:54:14,312 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 19:54:14,312 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 19:54:14,312 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 19:54:14,313 INFO L270 CegarLoopResult]: At program point mutex_unlockENTRY(lines 24 28) the Hoare annotation is: (or (= |#memory_int| |old(#memory_int)|) (not (= (select (select |old(#memory_int)| |mutex_unlock_#in~b.base|) |mutex_unlock_#in~b.offset|) 1))) [2020-10-27 19:54:14,313 INFO L274 CegarLoopResult]: For program point mutex_unlockEXIT(lines 24 28) no Hoare annotation was computed. [2020-10-27 19:54:14,313 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-27 19:54:14,313 INFO L270 CegarLoopResult]: At program point L26-1(line 26) the Hoare annotation is: (not (= (select (select |old(#memory_int)| |mutex_unlock_#in~b.base|) |mutex_unlock_#in~b.offset|) 1)) [2020-10-27 19:54:14,313 INFO L274 CegarLoopResult]: For program point L26-3(line 26) no Hoare annotation was computed. [2020-10-27 19:54:14,313 INFO L274 CegarLoopResult]: For program point mutex_unlockFINAL(lines 24 28) no Hoare annotation was computed. [2020-10-27 19:54:14,314 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 19:54:14,314 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |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|)) [2020-10-27 19:54:14,314 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 19:54:14,314 INFO L274 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-10-27 19:54:14,314 INFO L274 CegarLoopResult]: For program point errEXIT(lines 15 16) no Hoare annotation was computed. [2020-10-27 19:54:14,314 INFO L277 CegarLoopResult]: At program point errENTRY(lines 15 16) the Hoare annotation is: true [2020-10-27 19:54:14,315 INFO L274 CegarLoopResult]: For program point errFINAL(lines 15 16) no Hoare annotation was computed. [2020-10-27 19:54:14,315 INFO L270 CegarLoopResult]: At program point mutex_lockENTRY(lines 18 22) the Hoare annotation is: (or (not (= (select (select |old(#memory_int)| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|) 0)) (= |#memory_int| |old(#memory_int)|)) [2020-10-27 19:54:14,315 INFO L274 CegarLoopResult]: For program point L20-3(line 20) no Hoare annotation was computed. [2020-10-27 19:54:14,315 INFO L274 CegarLoopResult]: For program point mutex_lockFINAL(lines 18 22) no Hoare annotation was computed. [2020-10-27 19:54:14,315 INFO L274 CegarLoopResult]: For program point mutex_lockEXIT(lines 18 22) no Hoare annotation was computed. [2020-10-27 19:54:14,315 INFO L274 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-10-27 19:54:14,315 INFO L270 CegarLoopResult]: At program point L20-1(line 20) the Hoare annotation is: (not (= (select (select |old(#memory_int)| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|) 0)) [2020-10-27 19:54:14,316 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 19:54:14,316 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 19:54:14,316 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 19:54:14,316 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 19:54:14,316 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 30 42) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-10-27 19:54:14,316 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 30 42) no Hoare annotation was computed. [2020-10-27 19:54:14,316 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 30 42) no Hoare annotation was computed. [2020-10-27 19:54:14,317 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-27 19:54:14,317 INFO L270 CegarLoopResult]: At program point L35(line 35) the Hoare annotation is: (= (select (select |#memory_int| |main_~#m~0.base|) |main_~#m~0.offset|) 0) [2020-10-27 19:54:14,317 INFO L270 CegarLoopResult]: At program point L35-1(line 35) the Hoare annotation is: (= (select (select |#memory_int| |main_~#m~0.base|) |main_~#m~0.offset|) 1) [2020-10-27 19:54:14,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 07:54:14 BoogieIcfgContainer [2020-10-27 19:54:14,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 19:54:14,326 INFO L168 Benchmark]: Toolchain (without parser) took 3205.33 ms. Allocated memory was 154.1 MB in the beginning and 189.8 MB in the end (delta: 35.7 MB). Free memory was 129.2 MB in the beginning and 91.7 MB in the end (delta: 37.5 MB). Peak memory consumption was 73.7 MB. Max. memory is 8.0 GB. [2020-10-27 19:54:14,327 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 154.1 MB. Free memory is still 128.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 19:54:14,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.96 ms. Allocated memory is still 154.1 MB. Free memory was 128.4 MB in the beginning and 119.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-10-27 19:54:14,329 INFO L168 Benchmark]: Boogie Preprocessor took 34.54 ms. Allocated memory is still 154.1 MB. Free memory was 119.4 MB in the beginning and 117.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 19:54:14,330 INFO L168 Benchmark]: RCFGBuilder took 629.14 ms. Allocated memory is still 154.1 MB. Free memory was 117.9 MB in the beginning and 104.6 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-10-27 19:54:14,331 INFO L168 Benchmark]: TraceAbstraction took 2220.46 ms. Allocated memory was 154.1 MB in the beginning and 189.8 MB in the end (delta: 35.7 MB). Free memory was 104.0 MB in the beginning and 91.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 48.5 MB. Max. memory is 8.0 GB. [2020-10-27 19:54:14,334 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 154.1 MB. Free memory is still 128.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 305.96 ms. Allocated memory is still 154.1 MB. Free memory was 128.4 MB in the beginning and 119.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 34.54 ms. Allocated memory is still 154.1 MB. Free memory was 119.4 MB in the beginning and 117.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 629.14 ms. Allocated memory is still 154.1 MB. Free memory was 117.9 MB in the beginning and 104.6 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2220.46 ms. Allocated memory was 154.1 MB in the beginning and 189.8 MB in the end (delta: 35.7 MB). Free memory was 104.0 MB in the beginning and 91.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 48.5 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 29 SDtfs, 19 SDslu, 60 SDs, 0 SdLazy, 104 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 17 PreInvPairs, 18 NumberOfFragments, 99 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 103 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 2084 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...