/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/locks/test_locks_14-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:09:47,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:09:47,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:09:47,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:09:47,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:09:47,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:09:47,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:09:47,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:09:47,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:09:47,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:09:47,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:09:47,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:09:47,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:09:47,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:09:47,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:09:47,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:09:47,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:09:47,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:09:47,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:09:47,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:09:47,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:09:47,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:09:47,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:09:47,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:09:47,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:09:47,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:09:47,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:09:47,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:09:47,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:09:47,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:09:47,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:09:47,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:09:47,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:09:47,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:09:47,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:09:47,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:09:47,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:09:47,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:09:47,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:09:47,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:09:47,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:09:47,808 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 20:09:47,861 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:09:47,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:09:47,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:09:47,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:09:47,866 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:09:47,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:09:47,866 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:09:47,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:09:47,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:09:47,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:09:47,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:09:47,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:09:47,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:09:47,869 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:09:47,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:09:47,869 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:09:47,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:09:47,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:09:47,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:09:47,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:09:47,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:09:47,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:09:47,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:09:47,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:09:47,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:09:47,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:09:47,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:09:47,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:09:47,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:09:47,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:09:48,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:09:48,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:09:48,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:09:48,322 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:09:48,323 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:09:48,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_14-2.c [2020-10-27 20:09:48,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f07143341/e0ef62668d2942c9bb79146edb607736/FLAG00552406a [2020-10-27 20:09:49,015 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:09:49,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/locks/test_locks_14-2.c [2020-10-27 20:09:49,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f07143341/e0ef62668d2942c9bb79146edb607736/FLAG00552406a [2020-10-27 20:09:49,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f07143341/e0ef62668d2942c9bb79146edb607736 [2020-10-27 20:09:49,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:09:49,383 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:09:49,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:09:49,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:09:49,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:09:49,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:09:49" (1/1) ... [2020-10-27 20:09:49,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492117aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:09:49, skipping insertion in model container [2020-10-27 20:09:49,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:09:49" (1/1) ... [2020-10-27 20:09:49,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:09:49,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:09:49,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:09:49,710 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:09:49,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:09:49,791 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:09:49,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:09:49 WrapperNode [2020-10-27 20:09:49,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:09:49,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:09:49,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:09:49,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:09:49,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:09:49" (1/1) ... [2020-10-27 20:09:49,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:09:49" (1/1) ... [2020-10-27 20:09:49,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:09:49" (1/1) ... [2020-10-27 20:09:49,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:09:49" (1/1) ... [2020-10-27 20:09:49,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:09:49" (1/1) ... [2020-10-27 20:09:49,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:09:49" (1/1) ... [2020-10-27 20:09:49,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:09:49" (1/1) ... [2020-10-27 20:09:49,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:09:49,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:09:49,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:09:49,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:09:49,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:09:49" (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 20:09:49,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:09:49,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:09:49,993 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:09:49,993 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:09:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:09:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:09:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:09:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:09:49,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:09:49,997 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:09:49,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:09:49,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:09:49,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:09:49,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:09:49,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:09:50,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:09:50,767 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:09:50,768 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 20:09:50,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:09:50 BoogieIcfgContainer [2020-10-27 20:09:50,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:09:50,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:09:50,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:09:50,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:09:50,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:09:49" (1/3) ... [2020-10-27 20:09:50,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cee3b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:09:50, skipping insertion in model container [2020-10-27 20:09:50,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:09:49" (2/3) ... [2020-10-27 20:09:50,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cee3b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:09:50, skipping insertion in model container [2020-10-27 20:09:50,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:09:50" (3/3) ... [2020-10-27 20:09:50,783 INFO L111 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.c [2020-10-27 20:09:50,799 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:09:50,804 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 20:09:50,818 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 20:09:50,869 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:09:50,869 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:09:50,869 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:09:50,869 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:09:50,870 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:09:50,870 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:09:50,870 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:09:50,870 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:09:50,896 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-10-27 20:09:50,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-27 20:09:50,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:09:50,908 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:09:50,909 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:09:50,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:09:50,941 INFO L82 PathProgramCache]: Analyzing trace with hash 171493225, now seen corresponding path program 1 times [2020-10-27 20:09:50,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:09:50,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [166739606] [2020-10-27 20:09:50,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:09:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:51,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:51,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:51,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 20:09:51,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:51,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-27 20:09:51,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:51,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:09:51,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:09:51,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 20:09:51,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 20:09:51,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:09:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:51,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:51,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:51,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:09:51,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:51,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:09:51,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:51,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:51,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:51,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:51,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:51,656 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 20:09:51,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [166739606] [2020-10-27 20:09:51,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:09:51,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 20:09:51,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192592269] [2020-10-27 20:09:51,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 20:09:51,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:09:51,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 20:09:51,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 20:09:51,688 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 4 states. [2020-10-27 20:09:52,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:09:52,042 INFO L93 Difference]: Finished difference Result 160 states and 294 transitions. [2020-10-27 20:09:52,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 20:09:52,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-27 20:09:52,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:09:52,059 INFO L225 Difference]: With dead ends: 160 [2020-10-27 20:09:52,059 INFO L226 Difference]: Without dead ends: 97 [2020-10-27 20:09:52,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 20:09:52,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-27 20:09:52,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 96. [2020-10-27 20:09:52,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-27 20:09:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 176 transitions. [2020-10-27 20:09:52,127 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 176 transitions. Word has length 26 [2020-10-27 20:09:52,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:09:52,127 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 176 transitions. [2020-10-27 20:09:52,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 20:09:52,128 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 176 transitions. [2020-10-27 20:09:52,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-27 20:09:52,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:09:52,129 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:09:52,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:09:52,130 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:09:52,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:09:52,131 INFO L82 PathProgramCache]: Analyzing trace with hash 171270273, now seen corresponding path program 1 times [2020-10-27 20:09:52,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:09:52,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029108897] [2020-10-27 20:09:52,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:09:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:52,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:52,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:52,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 20:09:52,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:52,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-27 20:09:52,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:52,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:09:52,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:09:52,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 20:09:52,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:09:52,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:09:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:09:52,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:09:52,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:09:52,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:09:52,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:09:52,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:09:52,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:09:52,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:09:52,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:09:52,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:09:52,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:09:52,454 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 20:09:52,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029108897] [2020-10-27 20:09:52,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:09:52,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 20:09:52,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053517629] [2020-10-27 20:09:52,457 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 20:09:52,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:09:52,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 20:09:52,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 20:09:52,459 INFO L87 Difference]: Start difference. First operand 96 states and 176 transitions. Second operand 4 states. [2020-10-27 20:09:52,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:09:52,711 INFO L93 Difference]: Finished difference Result 100 states and 180 transitions. [2020-10-27 20:09:52,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 20:09:52,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-10-27 20:09:52,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:09:52,714 INFO L225 Difference]: With dead ends: 100 [2020-10-27 20:09:52,714 INFO L226 Difference]: Without dead ends: 97 [2020-10-27 20:09:52,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 20:09:52,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-27 20:09:52,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-10-27 20:09:52,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-27 20:09:52,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 177 transitions. [2020-10-27 20:09:52,729 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 177 transitions. Word has length 26 [2020-10-27 20:09:52,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:09:52,729 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 177 transitions. [2020-10-27 20:09:52,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 20:09:52,729 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 177 transitions. [2020-10-27 20:09:52,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-27 20:09:52,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:09:52,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:09:52,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:09:52,731 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:09:52,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:09:52,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1822651481, now seen corresponding path program 1 times [2020-10-27 20:09:52,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:09:52,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1750793841] [2020-10-27 20:09:52,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:09:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 20:09:52,760 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 20:09:52,760 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 20:09:52,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:09:52,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:09:52 BoogieIcfgContainer [2020-10-27 20:09:52,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 20:09:52,789 INFO L168 Benchmark]: Toolchain (without parser) took 3409.62 ms. Allocated memory is still 159.4 MB. Free memory was 135.2 MB in the beginning and 97.5 MB in the end (delta: 37.8 MB). Peak memory consumption was 39.3 MB. Max. memory is 8.0 GB. [2020-10-27 20:09:52,789 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 125.8 MB. Free memory is still 85.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 20:09:52,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.17 ms. Allocated memory is still 159.4 MB. Free memory was 134.6 MB in the beginning and 123.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-27 20:09:52,791 INFO L168 Benchmark]: Boogie Preprocessor took 90.19 ms. Allocated memory is still 159.4 MB. Free memory was 123.5 MB in the beginning and 121.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-27 20:09:52,792 INFO L168 Benchmark]: RCFGBuilder took 882.32 ms. Allocated memory is still 159.4 MB. Free memory was 121.8 MB in the beginning and 97.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-10-27 20:09:52,793 INFO L168 Benchmark]: TraceAbstraction took 2012.57 ms. Allocated memory is still 159.4 MB. Free memory was 97.0 MB in the beginning and 97.5 MB in the end (delta: -432.3 kB). Peak memory consumption was 541.2 kB. Max. memory is 8.0 GB. [2020-10-27 20:09:52,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 125.8 MB. Free memory is still 85.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 404.17 ms. Allocated memory is still 159.4 MB. Free memory was 134.6 MB in the beginning and 123.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 90.19 ms. Allocated memory is still 159.4 MB. Free memory was 123.5 MB in the beginning and 121.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 882.32 ms. Allocated memory is still 159.4 MB. Free memory was 121.8 MB in the beginning and 97.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2012.57 ms. Allocated memory is still 159.4 MB. Free memory was 97.0 MB in the beginning and 97.5 MB in the end (delta: -432.3 kB). Peak memory consumption was 541.2 kB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L8] int p1 = __VERIFIER_nondet_int(); [L9] int lk1; [L11] int p2 = __VERIFIER_nondet_int(); [L12] int lk2; [L14] int p3 = __VERIFIER_nondet_int(); [L15] int lk3; [L17] int p4 = __VERIFIER_nondet_int(); [L18] int lk4; [L20] int p5 = __VERIFIER_nondet_int(); [L21] int lk5; [L23] int p6 = __VERIFIER_nondet_int(); [L24] int lk6; [L26] int p7 = __VERIFIER_nondet_int(); [L27] int lk7; [L29] int p8 = __VERIFIER_nondet_int(); [L30] int lk8; [L32] int p9 = __VERIFIER_nondet_int(); [L33] int lk9; [L35] int p10 = __VERIFIER_nondet_int(); [L36] int lk10; [L38] int p11 = __VERIFIER_nondet_int(); [L39] int lk11; [L41] int p12 = __VERIFIER_nondet_int(); [L42] int lk12; [L44] int p13 = __VERIFIER_nondet_int(); [L45] int lk13; [L47] int p14 = __VERIFIER_nondet_int(); [L48] int lk14; [L51] int cond; [L53] COND TRUE 1 [L54] cond = __VERIFIER_nondet_int() [L55] COND FALSE !(cond == 0) [L58] lk1 = 0 [L60] lk2 = 0 [L62] lk3 = 0 [L64] lk4 = 0 [L66] lk5 = 0 [L68] lk6 = 0 [L70] lk7 = 0 [L72] lk8 = 0 [L74] lk9 = 0 [L76] lk10 = 0 [L78] lk11 = 0 [L80] lk12 = 0 [L82] lk13 = 0 [L84] lk14 = 0 [L88] COND FALSE !(p1 != 0) [L92] COND FALSE !(p2 != 0) [L96] COND TRUE p3 != 0 [L97] lk3 = 1 [L100] COND TRUE p4 != 0 [L101] lk4 = 1 [L104] COND TRUE p5 != 0 [L105] lk5 = 1 [L108] COND TRUE p6 != 0 [L109] lk6 = 1 [L112] COND TRUE p7 != 0 [L113] lk7 = 1 [L116] COND TRUE p8 != 0 [L117] lk8 = 1 [L120] COND TRUE p9 != 0 [L121] lk9 = 1 [L124] COND FALSE !(p10 != 0) [L128] COND TRUE p11 != 0 [L129] lk11 = 1 [L132] COND TRUE p12 != 0 [L133] lk12 = 1 [L136] COND TRUE p13 != 0 [L137] lk13 = 1 [L140] COND TRUE p14 != 0 [L141] lk14 = 1 [L146] COND FALSE !(p1 != 0) [L151] COND FALSE !(p2 != 0) [L219] CALL reach_error() [L3] __assert_fail("0", "test_locks_14-2.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 247 SDtfs, 319 SDslu, 18 SDs, 0 SdLazy, 185 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=2, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 4550 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 incorrect! Received shutdown request...