/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.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 SingleStatement --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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/mutex_lock_int.c_1.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 00:57:31,554 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 00:57:31,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 00:57:31,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 00:57:31,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 00:57:31,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 00:57:31,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 00:57:31,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 00:57:31,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 00:57:31,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 00:57:31,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 00:57:31,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 00:57:31,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 00:57:31,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 00:57:31,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 00:57:31,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 00:57:31,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 00:57:31,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 00:57:31,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 00:57:31,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 00:57:31,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 00:57:31,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 00:57:31,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 00:57:31,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 00:57:31,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 00:57:31,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 00:57:31,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 00:57:31,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 00:57:31,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 00:57:31,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 00:57:31,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 00:57:31,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 00:57:31,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 00:57:31,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 00:57:31,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 00:57:31,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 00:57:31,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 00:57:31,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 00:57:31,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 00:57:31,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 00:57:31,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 00:57:31,643 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
[2020-09-25 00:57:31,706 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 00:57:31,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 00:57:31,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 00:57:31,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 00:57:31,711 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 00:57:31,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 00:57:31,712 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 00:57:31,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 00:57:31,712 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 00:57:31,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 00:57:31,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 00:57:31,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 00:57:31,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 00:57:31,715 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 00:57:31,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 00:57:31,716 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 00:57:31,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 00:57:31,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 00:57:31,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 00:57:31,716 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 00:57:31,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 00:57:31,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 00:57:31,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 00:57:31,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 00:57:31,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 00:57:31,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 00:57:31,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 00:57:31,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 00:57:31,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 00:57:31,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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 -> SingleStatement
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;
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;
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;
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;
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;
[2020-09-25 00:57:32,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 00:57:32,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 00:57:32,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 00:57:32,247 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 00:57:32,248 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 00:57:32,250 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/mutex_lock_int.c_1.i
[2020-09-25 00:57:32,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6046221fe/a1de66e5bade45b1b8cacaa1b66b19fb/FLAGd04324c46
[2020-09-25 00:57:32,925 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 00:57:32,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/mutex_lock_int.c_1.i
[2020-09-25 00:57:32,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6046221fe/a1de66e5bade45b1b8cacaa1b66b19fb/FLAGd04324c46
[2020-09-25 00:57:33,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6046221fe/a1de66e5bade45b1b8cacaa1b66b19fb
[2020-09-25 00:57:33,331 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 00:57:33,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 00:57:33,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 00:57:33,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 00:57:33,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 00:57:33,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:57:33" (1/1) ...
[2020-09-25 00:57:33,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3b83ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:33, skipping insertion in model container
[2020-09-25 00:57:33,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:57:33" (1/1) ...
[2020-09-25 00:57:33,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 00:57:33,386 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 00:57:33,595 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 00:57:33,608 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 00:57:33,625 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 00:57:33,642 INFO L208 MainTranslator]: Completed translation
[2020-09-25 00:57:33,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:33 WrapperNode
[2020-09-25 00:57:33,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 00:57:33,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 00:57:33,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 00:57:33,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 00:57:33,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:33" (1/1) ...
[2020-09-25 00:57:33,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:33" (1/1) ...
[2020-09-25 00:57:33,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:33" (1/1) ...
[2020-09-25 00:57:33,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:33" (1/1) ...
[2020-09-25 00:57:33,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:33" (1/1) ...
[2020-09-25 00:57:33,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:33" (1/1) ...
[2020-09-25 00:57:33,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:33" (1/1) ...
[2020-09-25 00:57:33,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 00:57:33,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 00:57:33,764 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 00:57:33,765 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 00:57:33,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:33" (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
[2020-09-25 00:57:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 00:57:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 00:57:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure err
[2020-09-25 00:57:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock
[2020-09-25 00:57:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock
[2020-09-25 00:57:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 00:57:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 00:57:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure err
[2020-09-25 00:57:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock
[2020-09-25 00:57:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 00:57:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 00:57:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock
[2020-09-25 00:57:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 00:57:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 00:57:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 00:57:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 00:57:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 00:57:34,124 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 00:57:34,125 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-09-25 00:57:34,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:57:34 BoogieIcfgContainer
[2020-09-25 00:57:34,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 00:57:34,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 00:57:34,142 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 00:57:34,146 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 00:57:34,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:57:33" (1/3) ...
[2020-09-25 00:57:34,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@268e0601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:57:34, skipping insertion in model container
[2020-09-25 00:57:34,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:57:33" (2/3) ...
[2020-09-25 00:57:34,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@268e0601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:57:34, skipping insertion in model container
[2020-09-25 00:57:34,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:57:34" (3/3) ...
[2020-09-25 00:57:34,152 INFO L109 eAbstractionObserver]: Analyzing ICFG mutex_lock_int.c_1.i
[2020-09-25 00:57:34,164 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 00:57:34,175 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 00:57:34,197 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 00:57:34,227 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 00:57:34,227 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 00:57:34,228 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 00:57:34,228 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 00:57:34,228 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 00:57:34,228 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 00:57:34,228 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 00:57:34,228 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 00:57:34,251 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states.
[2020-09-25 00:57:34,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2020-09-25 00:57:34,259 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 00:57:34,260 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 00:57:34,261 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:57:34,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:57:34,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1355543847, now seen corresponding path program 1 times
[2020-09-25 00:57:34,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:57:34,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417504517]
[2020-09-25 00:57:34,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:57:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:57:34,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:57:34,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:57:34,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 00:57:34,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:57:34,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289
[2020-09-25 00:57:34,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:57:34,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7
[2020-09-25 00:57:34,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15
[2020-09-25 00:57:34,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-25 00:57:34,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-25 00:57:34,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:57:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:57:34,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:57:34,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:57:34,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:57:34,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:57:34,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 00:57:34,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:57:34,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:57:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:57:34,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:57:34,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:57:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 00:57:34,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1417504517]
[2020-09-25 00:57:34,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:57:34,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-25 00:57:34,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874444097]
[2020-09-25 00:57:34,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-25 00:57:34,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:57:34,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-25 00:57:34,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2020-09-25 00:57:34,920 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 7 states.
[2020-09-25 00:57:35,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:57:35,171 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions.
[2020-09-25 00:57:35,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 00:57:35,173 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16
[2020-09-25 00:57:35,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:57:35,183 INFO L225 Difference]: With dead ends: 60
[2020-09-25 00:57:35,183 INFO L226 Difference]: Without dead ends: 25
[2020-09-25 00:57:35,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2020-09-25 00:57:35,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2020-09-25 00:57:35,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2020-09-25 00:57:35,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states.
[2020-09-25 00:57:35,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions.
[2020-09-25 00:57:35,233 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 16
[2020-09-25 00:57:35,234 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:57:35,234 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions.
[2020-09-25 00:57:35,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-25 00:57:35,234 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions.
[2020-09-25 00:57:35,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2020-09-25 00:57:35,236 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 00:57:35,236 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]
[2020-09-25 00:57:35,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 00:57:35,237 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 00:57:35,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 00:57:35,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1044574925, now seen corresponding path program 1 times
[2020-09-25 00:57:35,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 00:57:35,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [109151608]
[2020-09-25 00:57:35,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 00:57:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:57:35,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:57:35,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:57:35,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37
[2020-09-25 00:57:35,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:57:35,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220
[2020-09-25 00:57:35,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:57:35,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9
[2020-09-25 00:57:35,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17
[2020-09-25 00:57:35,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-25 00:57:35,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:57:35,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 00:57:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:57:35,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:57:35,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:57:35,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 00:57:35,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:57:35,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 00:57:35,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:57:35,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 00:57:35,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:57:35,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 00:57:35,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:57:35,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2020-09-25 00:57:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 00:57:35,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 00:57:35,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 00:57:35,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13
[2020-09-25 00:57:35,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 00:57:35,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22
[2020-09-25 00:57:35,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST
[2020-09-25 00:57:35,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 00:57:35,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 00:57:35,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 00:57:35,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 00:57:35,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 00:57:35,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [109151608]
[2020-09-25 00:57:35,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 00:57:35,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 00:57:35,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667812844]
[2020-09-25 00:57:35,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 00:57:35,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 00:57:35,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 00:57:35,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2020-09-25 00:57:35,664 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 10 states.
[2020-09-25 00:57:35,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 00:57:35,923 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions.
[2020-09-25 00:57:35,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-09-25 00:57:35,923 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24
[2020-09-25 00:57:35,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 00:57:35,924 INFO L225 Difference]: With dead ends: 25
[2020-09-25 00:57:35,924 INFO L226 Difference]: Without dead ends: 0
[2020-09-25 00:57:35,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240
[2020-09-25 00:57:35,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 00:57:35,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 00:57:35,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 00:57:35,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 00:57:35,927 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24
[2020-09-25 00:57:35,927 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 00:57:35,927 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 00:57:35,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 00:57:35,927 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 00:57:35,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 00:57:35,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 00:57:35,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 00:57:36,063 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed.
[2020-09-25 00:57:36,064 INFO L268 CegarLoopResult]: For program point L24-1(line 24) no Hoare annotation was computed.
[2020-09-25 00:57:36,064 INFO L268 CegarLoopResult]: For program point L24-2(line 24) no Hoare annotation was computed.
[2020-09-25 00:57:36,064 INFO L264 CegarLoopResult]: At program point L24-3(line 24) the Hoare annotation is: (not (= (select (select |old(#memory_int)| |mutex_unlock_#in~b.base|) |mutex_unlock_#in~b.offset|) 1))
[2020-09-25 00:57:36,064 INFO L268 CegarLoopResult]: For program point L24-5(line 24) no Hoare annotation was computed.
[2020-09-25 00:57:36,065 INFO L268 CegarLoopResult]: For program point L24-6(line 24) no Hoare annotation was computed.
[2020-09-25 00:57:36,065 INFO L264 CegarLoopResult]: At program point mutex_unlockENTRY(lines 22 26) 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)))
[2020-09-25 00:57:36,065 INFO L268 CegarLoopResult]: For program point mutex_unlockEXIT(lines 22 26) no Hoare annotation was computed.
[2020-09-25 00:57:36,066 INFO L268 CegarLoopResult]: For program point mutex_unlockFINAL(lines 22 26) no Hoare annotation was computed.
[2020-09-25 00:57:36,066 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed.
[2020-09-25 00:57:36,066 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed.
[2020-09-25 00:57:36,066 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 00:57:36,066 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|))
[2020-09-25 00:57:36,066 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 00:57:36,067 INFO L268 CegarLoopResult]: For program point errErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed.
[2020-09-25 00:57:36,067 INFO L268 CegarLoopResult]: For program point errEXIT(lines 13 14) no Hoare annotation was computed.
[2020-09-25 00:57:36,067 INFO L271 CegarLoopResult]: At program point errENTRY(lines 13 14) the Hoare annotation is: true
[2020-09-25 00:57:36,068 INFO L268 CegarLoopResult]: For program point errFINAL(lines 13 14) no Hoare annotation was computed.
[2020-09-25 00:57:36,068 INFO L264 CegarLoopResult]: At program point mutex_lockENTRY(lines 16 20) 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)|))
[2020-09-25 00:57:36,068 INFO L268 CegarLoopResult]: For program point mutex_lockEXIT(lines 16 20) no Hoare annotation was computed.
[2020-09-25 00:57:36,068 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed.
[2020-09-25 00:57:36,068 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed.
[2020-09-25 00:57:36,068 INFO L268 CegarLoopResult]: For program point L18-2(line 18) no Hoare annotation was computed.
[2020-09-25 00:57:36,069 INFO L264 CegarLoopResult]: At program point L18-3(line 18) the Hoare annotation is: (not (= (select (select |old(#memory_int)| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|) 0))
[2020-09-25 00:57:36,069 INFO L268 CegarLoopResult]: For program point L18-5(line 18) no Hoare annotation was computed.
[2020-09-25 00:57:36,069 INFO L268 CegarLoopResult]: For program point L18-6(line 18) no Hoare annotation was computed.
[2020-09-25 00:57:36,069 INFO L268 CegarLoopResult]: For program point mutex_lockFINAL(lines 16 20) no Hoare annotation was computed.
[2020-09-25 00:57:36,069 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 00:57:36,069 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-25 00:57:36,070 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-25 00:57:36,070 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 00:57:36,070 INFO L264 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: (= (select (select |#memory_int| |main_~#m~0.base|) |main_~#m~0.offset|) 1)
[2020-09-25 00:57:36,070 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (= (select (select |#memory_int| |main_~#m~0.base|) |main_~#m~0.offset|) 0)
[2020-09-25 00:57:36,070 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed.
[2020-09-25 00:57:36,071 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 28 40) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))
[2020-09-25 00:57:36,071 INFO L268 CegarLoopResult]: For program point L30-1(line 30) no Hoare annotation was computed.
[2020-09-25 00:57:36,071 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 28 40) no Hoare annotation was computed.
[2020-09-25 00:57:36,071 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 28 40) no Hoare annotation was computed.
[2020-09-25 00:57:36,071 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed.
[2020-09-25 00:57:36,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:57:36 BoogieIcfgContainer
[2020-09-25 00:57:36,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 00:57:36,087 INFO L168 Benchmark]: Toolchain (without parser) took 2750.76 ms. Allocated memory was 146.3 MB in the beginning and 235.4 MB in the end (delta: 89.1 MB). Free memory was 102.6 MB in the beginning and 142.2 MB in the end (delta: -39.6 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB.
[2020-09-25 00:57:36,088 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB.
[2020-09-25 00:57:36,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.72 ms. Allocated memory is still 146.3 MB. Free memory was 102.1 MB in the beginning and 92.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
[2020-09-25 00:57:36,091 INFO L168 Benchmark]: Boogie Preprocessor took 120.66 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 92.5 MB in the beginning and 181.1 MB in the end (delta: -88.6 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB.
[2020-09-25 00:57:36,092 INFO L168 Benchmark]: RCFGBuilder took 366.99 ms. Allocated memory is still 202.4 MB. Free memory was 181.1 MB in the beginning and 165.2 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB.
[2020-09-25 00:57:36,094 INFO L168 Benchmark]: TraceAbstraction took 1939.34 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 142.2 MB in the end (delta: 23.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 7.1 GB.
[2020-09-25 00:57:36,104 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 301.72 ms. Allocated memory is still 146.3 MB. Free memory was 102.1 MB in the beginning and 92.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 120.66 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 92.5 MB in the beginning and 181.1 MB in the end (delta: -88.6 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 366.99 ms. Allocated memory is still 202.4 MB. Free memory was 181.1 MB in the beginning and 165.2 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1939.34 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 142.2 MB in the end (delta: 23.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 14]: 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 6 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 42 SDtfs, 43 SDslu, 89 SDs, 0 SdLazy, 179 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred 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, 11 LocationsWithAnnotation, 15 PreInvPairs, 16 NumberOfFragments, 74 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 43 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 2730 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...