/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=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/locks/test_locks_15-1.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 22:43:03,215 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 22:43:03,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 22:43:03,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 22:43:03,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 22:43:03,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 22:43:03,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 22:43:03,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 22:43:03,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 22:43:03,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 22:43:03,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 22:43:03,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 22:43:03,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 22:43:03,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 22:43:03,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 22:43:03,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 22:43:03,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 22:43:03,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 22:43:03,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 22:43:03,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 22:43:03,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 22:43:03,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 22:43:03,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 22:43:03,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 22:43:03,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 22:43:03,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 22:43:03,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 22:43:03,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 22:43:03,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 22:43:03,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 22:43:03,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 22:43:03,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 22:43:03,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 22:43:03,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 22:43:03,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 22:43:03,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 22:43:03,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 22:43:03,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 22:43:03,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 22:43:03,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 22:43:03,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 22:43:03,282 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
[2020-09-24 22:43:03,323 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 22:43:03,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 22:43:03,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 22:43:03,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 22:43:03,326 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 22:43:03,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 22:43:03,326 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 22:43:03,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 22:43:03,327 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 22:43:03,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 22:43:03,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 22:43:03,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 22:43:03,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 22:43:03,329 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 22:43:03,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 22:43:03,329 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 22:43:03,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 22:43:03,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 22:43:03,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 22:43:03,330 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 22:43:03,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 22:43:03,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 22:43:03,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 22:43:03,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 22:43:03,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 22:43:03,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 22:43:03,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 22:43:03,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 22:43:03,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 22:43:03,333 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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;log-additional-information=true;
[2020-09-24 22:43:03,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 22:43:03,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 22:43:03,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 22:43:03,864 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 22:43:03,865 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 22:43:03,866 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_15-1.c
[2020-09-24 22:43:03,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d52b6a77/aadd8beb29874636913e2381ec5bc019/FLAG6a142a0db
[2020-09-24 22:43:04,465 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 22:43:04,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/locks/test_locks_15-1.c
[2020-09-24 22:43:04,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d52b6a77/aadd8beb29874636913e2381ec5bc019/FLAG6a142a0db
[2020-09-24 22:43:04,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3d52b6a77/aadd8beb29874636913e2381ec5bc019
[2020-09-24 22:43:04,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 22:43:04,803 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 22:43:04,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 22:43:04,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 22:43:04,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 22:43:04,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:43:04" (1/1) ...
[2020-09-24 22:43:04,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef00bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:04, skipping insertion in model container
[2020-09-24 22:43:04,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:43:04" (1/1) ...
[2020-09-24 22:43:04,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 22:43:04,854 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 22:43:05,146 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 22:43:05,153 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 22:43:05,215 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 22:43:05,233 INFO L208 MainTranslator]: Completed translation
[2020-09-24 22:43:05,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:05 WrapperNode
[2020-09-24 22:43:05,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 22:43:05,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 22:43:05,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 22:43:05,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 22:43:05,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:05" (1/1) ...
[2020-09-24 22:43:05,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:05" (1/1) ...
[2020-09-24 22:43:05,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:05" (1/1) ...
[2020-09-24 22:43:05,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:05" (1/1) ...
[2020-09-24 22:43:05,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:05" (1/1) ...
[2020-09-24 22:43:05,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:05" (1/1) ...
[2020-09-24 22:43:05,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:05" (1/1) ...
[2020-09-24 22:43:05,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 22:43:05,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 22:43:05,368 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 22:43:05,368 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 22:43:05,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:05" (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
[2020-09-24 22:43:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 22:43:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 22:43:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 22:43:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 22:43:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 22:43:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 22:43:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 22:43:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 22:43:05,948 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 22:43:05,949 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-24 22:43:05,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:43:05 BoogieIcfgContainer
[2020-09-24 22:43:05,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 22:43:05,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 22:43:05,958 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 22:43:05,961 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 22:43:05,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:43:04" (1/3) ...
[2020-09-24 22:43:05,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a2d092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:43:05, skipping insertion in model container
[2020-09-24 22:43:05,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:05" (2/3) ...
[2020-09-24 22:43:05,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a2d092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:43:05, skipping insertion in model container
[2020-09-24 22:43:05,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:43:05" (3/3) ...
[2020-09-24 22:43:05,966 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_15-1.c
[2020-09-24 22:43:05,978 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 22:43:05,988 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 22:43:06,011 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 22:43:06,050 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 22:43:06,051 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 22:43:06,051 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 22:43:06,051 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 22:43:06,052 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 22:43:06,053 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 22:43:06,055 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 22:43:06,055 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 22:43:06,091 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states.
[2020-09-24 22:43:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2020-09-24 22:43:06,104 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:43:06,105 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, 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, 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, 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]
[2020-09-24 22:43:06,106 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:43:06,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:43:06,113 INFO L82 PathProgramCache]: Analyzing trace with hash 984329519, now seen corresponding path program 1 times
[2020-09-24 22:43:06,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:43:06,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2050894392]
[2020-09-24 22:43:06,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:43:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-24 22:43:06,327 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-24 22:43:06,328 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-24 22:43:06,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 22:43:06,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 10:43:06 BoogieIcfgContainer
[2020-09-24 22:43:06,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 22:43:06,361 INFO L168 Benchmark]: Toolchain (without parser) took 1560.81 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 102.1 MB in the beginning and 130.2 MB in the end (delta: -28.1 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB.
[2020-09-24 22:43:06,362 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-24 22:43:06,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.09 ms. Allocated memory is still 138.9 MB. Free memory was 101.4 MB in the beginning and 90.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB.
[2020-09-24 22:43:06,364 INFO L168 Benchmark]: Boogie Preprocessor took 133.23 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 90.0 MB in the beginning and 178.2 MB in the end (delta: -88.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB.
[2020-09-24 22:43:06,365 INFO L168 Benchmark]: RCFGBuilder took 588.64 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 146.2 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB.
[2020-09-24 22:43:06,366 INFO L168 Benchmark]: TraceAbstraction took 400.24 ms. Allocated memory is still 201.3 MB. Free memory was 145.5 MB in the beginning and 130.2 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB.
[2020-09-24 22:43:06,370 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 430.09 ms. Allocated memory is still 138.9 MB. Free memory was 101.4 MB in the beginning and 90.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 133.23 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 90.0 MB in the beginning and 178.2 MB in the end (delta: -88.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 588.64 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 146.2 MB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 400.24 ms. Allocated memory is still 201.3 MB. Free memory was 145.5 MB in the beginning and 130.2 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 231]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L6] int p1 = __VERIFIER_nondet_int();
[L7] int lk1;
[L9] int p2 = __VERIFIER_nondet_int();
[L10] int lk2;
[L12] int p3 = __VERIFIER_nondet_int();
[L13] int lk3;
[L15] int p4 = __VERIFIER_nondet_int();
[L16] int lk4;
[L18] int p5 = __VERIFIER_nondet_int();
[L19] int lk5;
[L21] int p6 = __VERIFIER_nondet_int();
[L22] int lk6;
[L24] int p7 = __VERIFIER_nondet_int();
[L25] int lk7;
[L27] int p8 = __VERIFIER_nondet_int();
[L28] int lk8;
[L30] int p9 = __VERIFIER_nondet_int();
[L31] int lk9;
[L33] int p10 = __VERIFIER_nondet_int();
[L34] int lk10;
[L36] int p11 = __VERIFIER_nondet_int();
[L37] int lk11;
[L39] int p12 = __VERIFIER_nondet_int();
[L40] int lk12;
[L42] int p13 = __VERIFIER_nondet_int();
[L43] int lk13;
[L45] int p14 = __VERIFIER_nondet_int();
[L46] int lk14;
[L48] int p15 = __VERIFIER_nondet_int();
[L49] int lk15;
[L52] int cond;
[L54] COND TRUE 1
[L55] cond = __VERIFIER_nondet_int()
[L56] COND FALSE !(cond == 0)
[L59] lk1 = 0
[L61] lk2 = 0
[L63] lk3 = 0
[L65] lk4 = 0
[L67] lk5 = 0
[L69] lk6 = 0
[L71] lk7 = 0
[L73] lk8 = 0
[L75] lk9 = 0
[L77] lk10 = 0
[L79] lk11 = 0
[L81] lk12 = 0
[L83] lk13 = 0
[L85] lk14 = 0
[L87] lk15 = 0
[L91] COND FALSE !(p1 != 0)
[L95] COND FALSE !(p2 != 0)
[L99] COND FALSE !(p3 != 0)
[L103] COND FALSE !(p4 != 0)
[L107] COND FALSE !(p5 != 0)
[L111] COND FALSE !(p6 != 0)
[L115] COND FALSE !(p7 != 0)
[L119] COND FALSE !(p8 != 0)
[L123] COND FALSE !(p9 != 0)
[L127] COND FALSE !(p10 != 0)
[L131] COND FALSE !(p11 != 0)
[L135] COND FALSE !(p12 != 0)
[L139] COND FALSE !(p13 != 0)
[L143] COND FALSE !(p14 != 0)
[L147] COND FALSE !(p15 != 0)
[L153] COND FALSE !(p1 != 0)
[L158] COND FALSE !(p2 != 0)
[L231] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 168 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...