/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_5.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 22:43:06,281 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 22:43:06,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 22:43:06,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 22:43:06,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 22:43:06,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 22:43:06,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 22:43:06,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 22:43:06,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 22:43:06,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 22:43:06,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 22:43:06,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 22:43:06,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 22:43:06,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 22:43:06,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 22:43:06,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 22:43:06,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 22:43:06,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 22:43:06,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 22:43:06,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 22:43:06,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 22:43:06,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 22:43:06,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 22:43:06,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 22:43:06,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 22:43:06,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 22:43:06,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 22:43:06,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 22:43:06,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 22:43:06,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 22:43:06,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 22:43:06,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 22:43:06,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 22:43:06,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 22:43:06,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 22:43:06,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 22:43:06,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 22:43:06,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 22:43:06,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 22:43:06,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 22:43:06,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 22:43:06,408 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 22:43:06,454 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 22:43:06,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 22:43:06,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 22:43:06,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 22:43:06,457 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 22:43:06,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 22:43:06,458 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 22:43:06,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 22:43:06,458 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 22:43:06,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 22:43:06,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 22:43:06,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 22:43:06,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 22:43:06,460 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 22:43:06,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 22:43:06,461 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 22:43:06,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 22:43:06,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 22:43:06,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 22:43:06,462 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 22:43:06,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 22:43:06,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 22:43:06,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 22:43:06,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 22:43:06,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 22:43:06,463 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 22:43:06,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 22:43:06,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 22:43:06,464 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 22:43:06,464 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 22:43:06,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 22:43:06,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 22:43:06,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 22:43:06,964 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 22:43:06,964 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 22:43:06,966 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_5.c
[2020-09-24 22:43:07,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86c96845e/fc7376d5efc74910b043323e7abe304b/FLAG266f6c122
[2020-09-24 22:43:07,635 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 22:43:07,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/locks/test_locks_5.c
[2020-09-24 22:43:07,647 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86c96845e/fc7376d5efc74910b043323e7abe304b/FLAG266f6c122
[2020-09-24 22:43:07,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86c96845e/fc7376d5efc74910b043323e7abe304b
[2020-09-24 22:43:07,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 22:43:07,982 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 22:43:07,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 22:43:07,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 22:43:07,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 22:43:07,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:43:07" (1/1) ...
[2020-09-24 22:43:07,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674884e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:07, skipping insertion in model container
[2020-09-24 22:43:07,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:43:07" (1/1) ...
[2020-09-24 22:43:08,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 22:43:08,038 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 22:43:08,244 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 22:43:08,250 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 22:43:08,275 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 22:43:08,293 INFO L208 MainTranslator]: Completed translation
[2020-09-24 22:43:08,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:08 WrapperNode
[2020-09-24 22:43:08,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 22:43:08,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 22:43:08,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 22:43:08,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 22:43:08,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:08" (1/1) ...
[2020-09-24 22:43:08,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:08" (1/1) ...
[2020-09-24 22:43:08,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:08" (1/1) ...
[2020-09-24 22:43:08,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:08" (1/1) ...
[2020-09-24 22:43:08,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:08" (1/1) ...
[2020-09-24 22:43:08,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:08" (1/1) ...
[2020-09-24 22:43:08,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:08" (1/1) ...
[2020-09-24 22:43:08,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 22:43:08,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 22:43:08,425 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 22:43:08,425 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 22:43:08,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:08" (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 22:43:08,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 22:43:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 22:43:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 22:43:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 22:43:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 22:43:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 22:43:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 22:43:08,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 22:43:08,857 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 22:43:08,857 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-24 22:43:08,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:43:08 BoogieIcfgContainer
[2020-09-24 22:43:08,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 22:43:08,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 22:43:08,865 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 22:43:08,869 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 22:43:08,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:43:07" (1/3) ...
[2020-09-24 22:43:08,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27466404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:43:08, skipping insertion in model container
[2020-09-24 22:43:08,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:43:08" (2/3) ...
[2020-09-24 22:43:08,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27466404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:43:08, skipping insertion in model container
[2020-09-24 22:43:08,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:43:08" (3/3) ...
[2020-09-24 22:43:08,873 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_5.c
[2020-09-24 22:43:08,883 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 22:43:08,894 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 22:43:08,916 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 22:43:08,948 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 22:43:08,948 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 22:43:08,948 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 22:43:08,948 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 22:43:08,948 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 22:43:08,949 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 22:43:08,949 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 22:43:08,949 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 22:43:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states.
[2020-09-24 22:43:08,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2020-09-24 22:43:08,982 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:43:08,984 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]
[2020-09-24 22:43:08,984 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:43:08,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:43:08,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1222569836, now seen corresponding path program 1 times
[2020-09-24 22:43:09,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:43:09,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327622754]
[2020-09-24 22:43:09,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:43:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:09,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:09,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:09,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50
[2020-09-24 22:43:09,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:09,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144
[2020-09-24 22:43:09,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:09,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:43:09,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42
[2020-09-24 22:43:09,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 22:43:09,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-24 22:43:09,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:43:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:09,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:09,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:09,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:43:09,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:09,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 22:43:09,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:09,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:43:09,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:43:09,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:43:09,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:43:09,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 22:43:09,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327622754]
[2020-09-24 22:43:09,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:43:09,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:43:09,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542522793]
[2020-09-24 22:43:09,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:43:09,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:43:09,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:43:09,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:09,411 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 3 states.
[2020-09-24 22:43:09,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:43:09,481 INFO L93 Difference]: Finished difference Result 147 states and 198 transitions.
[2020-09-24 22:43:09,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:43:09,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43
[2020-09-24 22:43:09,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:43:09,501 INFO L225 Difference]: With dead ends: 147
[2020-09-24 22:43:09,501 INFO L226 Difference]: Without dead ends: 96
[2020-09-24 22:43:09,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:09,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2020-09-24 22:43:09,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94.
[2020-09-24 22:43:09,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states.
[2020-09-24 22:43:09,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 120 transitions.
[2020-09-24 22:43:09,567 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 120 transitions. Word has length 43
[2020-09-24 22:43:09,568 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:43:09,568 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 120 transitions.
[2020-09-24 22:43:09,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:43:09,568 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 120 transitions.
[2020-09-24 22:43:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2020-09-24 22:43:09,570 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:43:09,570 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]
[2020-09-24 22:43:09,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 22:43:09,571 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:43:09,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:43:09,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1252462105, now seen corresponding path program 1 times
[2020-09-24 22:43:09,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:43:09,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876101042]
[2020-09-24 22:43:09,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:43:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:09,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:09,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:09,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51
[2020-09-24 22:43:09,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:09,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93
[2020-09-24 22:43:09,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:43:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43
[2020-09-24 22:43:09,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-24 22:43:09,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:43:09,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:43:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:09,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:09,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:09,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:43:09,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:09,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 22:43:09,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:43:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:43:09,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:43:09,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:43:09,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 22:43:09,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876101042]
[2020-09-24 22:43:09,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:43:09,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:43:09,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240628618]
[2020-09-24 22:43:09,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:43:09,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:43:09,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:43:09,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:09,736 INFO L87 Difference]: Start difference. First operand 94 states and 120 transitions. Second operand 3 states.
[2020-09-24 22:43:09,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:43:09,759 INFO L93 Difference]: Finished difference Result 116 states and 148 transitions.
[2020-09-24 22:43:09,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:43:09,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44
[2020-09-24 22:43:09,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:43:09,763 INFO L225 Difference]: With dead ends: 116
[2020-09-24 22:43:09,763 INFO L226 Difference]: Without dead ends: 114
[2020-09-24 22:43:09,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states.
[2020-09-24 22:43:09,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 94.
[2020-09-24 22:43:09,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states.
[2020-09-24 22:43:09,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 119 transitions.
[2020-09-24 22:43:09,776 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 119 transitions. Word has length 44
[2020-09-24 22:43:09,777 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:43:09,777 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 119 transitions.
[2020-09-24 22:43:09,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:43:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 119 transitions.
[2020-09-24 22:43:09,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2020-09-24 22:43:09,779 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:43:09,779 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]
[2020-09-24 22:43:09,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 22:43:09,780 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:43:09,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:43:09,780 INFO L82 PathProgramCache]: Analyzing trace with hash 755286414, now seen corresponding path program 1 times
[2020-09-24 22:43:09,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:43:09,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [149949056]
[2020-09-24 22:43:09,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:43:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:09,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:09,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:09,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51
[2020-09-24 22:43:09,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:09,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101
[2020-09-24 22:43:09,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:09,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:43:09,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43
[2020-09-24 22:43:09,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 22:43:09,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:43:09,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:43:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:09,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:09,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:09,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:43:09,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:09,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 22:43:09,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:09,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:43:09,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:43:09,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:43:09,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:43:09,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 22:43:09,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [149949056]
[2020-09-24 22:43:09,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:43:09,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:43:09,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209671610]
[2020-09-24 22:43:09,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:43:09,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:43:09,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:43:09,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:09,939 INFO L87 Difference]: Start difference. First operand 94 states and 119 transitions. Second operand 3 states.
[2020-09-24 22:43:09,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:43:09,971 INFO L93 Difference]: Finished difference Result 226 states and 299 transitions.
[2020-09-24 22:43:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:43:09,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44
[2020-09-24 22:43:09,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:43:09,974 INFO L225 Difference]: With dead ends: 226
[2020-09-24 22:43:09,974 INFO L226 Difference]: Without dead ends: 157
[2020-09-24 22:43:09,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:09,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states.
[2020-09-24 22:43:09,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155.
[2020-09-24 22:43:09,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states.
[2020-09-24 22:43:09,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 200 transitions.
[2020-09-24 22:43:09,994 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 200 transitions. Word has length 44
[2020-09-24 22:43:09,994 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:43:09,994 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 200 transitions.
[2020-09-24 22:43:09,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:43:09,995 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 200 transitions.
[2020-09-24 22:43:09,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-09-24 22:43:09,997 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:43:09,997 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]
[2020-09-24 22:43:10,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-24 22:43:10,009 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:43:10,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:43:10,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1863120818, now seen corresponding path program 1 times
[2020-09-24 22:43:10,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:43:10,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539407604]
[2020-09-24 22:43:10,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:43:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:10,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:10,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:10,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52
[2020-09-24 22:43:10,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:10,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48
[2020-09-24 22:43:10,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:43:10,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44
[2020-09-24 22:43:10,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-24 22:43:10,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:43:10,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:43:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:10,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:10,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:10,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:43:10,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:10,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 22:43:10,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:43:10,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:43:10,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:43:10,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:43:10,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 22:43:10,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539407604]
[2020-09-24 22:43:10,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:43:10,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:43:10,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969505591]
[2020-09-24 22:43:10,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:43:10,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:43:10,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:43:10,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:10,110 INFO L87 Difference]: Start difference. First operand 155 states and 200 transitions. Second operand 3 states.
[2020-09-24 22:43:10,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:43:10,129 INFO L93 Difference]: Finished difference Result 191 states and 246 transitions.
[2020-09-24 22:43:10,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:43:10,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45
[2020-09-24 22:43:10,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:43:10,132 INFO L225 Difference]: With dead ends: 191
[2020-09-24 22:43:10,133 INFO L226 Difference]: Without dead ends: 189
[2020-09-24 22:43:10,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:10,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states.
[2020-09-24 22:43:10,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 155.
[2020-09-24 22:43:10,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states.
[2020-09-24 22:43:10,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 198 transitions.
[2020-09-24 22:43:10,147 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 198 transitions. Word has length 45
[2020-09-24 22:43:10,147 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:43:10,148 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 198 transitions.
[2020-09-24 22:43:10,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:43:10,148 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 198 transitions.
[2020-09-24 22:43:10,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2020-09-24 22:43:10,150 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:43:10,150 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]
[2020-09-24 22:43:10,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-24 22:43:10,150 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:43:10,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:43:10,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1939288392, now seen corresponding path program 1 times
[2020-09-24 22:43:10,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:43:10,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62882591]
[2020-09-24 22:43:10,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:43:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:10,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:10,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:10,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52
[2020-09-24 22:43:10,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:10,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43
[2020-09-24 22:43:10,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:10,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:43:10,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44
[2020-09-24 22:43:10,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 22:43:10,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:43:10,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:43:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:10,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:10,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:10,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:43:10,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:10,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 22:43:10,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:10,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:43:10,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:43:10,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:43:10,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:43:10,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 22:43:10,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62882591]
[2020-09-24 22:43:10,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:43:10,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:43:10,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77601859]
[2020-09-24 22:43:10,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:43:10,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:43:10,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:43:10,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:10,239 INFO L87 Difference]: Start difference. First operand 155 states and 198 transitions. Second operand 3 states.
[2020-09-24 22:43:10,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:43:10,272 INFO L93 Difference]: Finished difference Result 403 states and 528 transitions.
[2020-09-24 22:43:10,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:43:10,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45
[2020-09-24 22:43:10,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:43:10,275 INFO L225 Difference]: With dead ends: 403
[2020-09-24 22:43:10,277 INFO L226 Difference]: Without dead ends: 273
[2020-09-24 22:43:10,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:10,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states.
[2020-09-24 22:43:10,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 271.
[2020-09-24 22:43:10,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states.
[2020-09-24 22:43:10,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 346 transitions.
[2020-09-24 22:43:10,322 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 346 transitions. Word has length 45
[2020-09-24 22:43:10,322 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:43:10,322 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 346 transitions.
[2020-09-24 22:43:10,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:43:10,323 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 346 transitions.
[2020-09-24 22:43:10,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-09-24 22:43:10,325 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:43:10,325 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]
[2020-09-24 22:43:10,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-24 22:43:10,329 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:43:10,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:43:10,329 INFO L82 PathProgramCache]: Analyzing trace with hash -11355582, now seen corresponding path program 1 times
[2020-09-24 22:43:10,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:43:10,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580953144]
[2020-09-24 22:43:10,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:43:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:10,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:10,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:10,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53
[2020-09-24 22:43:10,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:10,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72
[2020-09-24 22:43:10,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:10,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:43:10,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45
[2020-09-24 22:43:10,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 22:43:10,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-24 22:43:10,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:43:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:10,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:10,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:10,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:43:10,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:10,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-24 22:43:10,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:10,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:43:10,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:43:10,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:43:10,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:43:10,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 22:43:10,474 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580953144]
[2020-09-24 22:43:10,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:43:10,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:43:10,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774936459]
[2020-09-24 22:43:10,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:43:10,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:43:10,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:43:10,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:10,482 INFO L87 Difference]: Start difference. First operand 271 states and 346 transitions. Second operand 3 states.
[2020-09-24 22:43:10,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:43:10,529 INFO L93 Difference]: Finished difference Result 739 states and 956 transitions.
[2020-09-24 22:43:10,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:43:10,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46
[2020-09-24 22:43:10,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:43:10,535 INFO L225 Difference]: With dead ends: 739
[2020-09-24 22:43:10,535 INFO L226 Difference]: Without dead ends: 493
[2020-09-24 22:43:10,540 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:10,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states.
[2020-09-24 22:43:10,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 491.
[2020-09-24 22:43:10,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states.
[2020-09-24 22:43:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 618 transitions.
[2020-09-24 22:43:10,594 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 618 transitions. Word has length 46
[2020-09-24 22:43:10,594 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:43:10,595 INFO L479 AbstractCegarLoop]: Abstraction has 491 states and 618 transitions.
[2020-09-24 22:43:10,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:43:10,595 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 618 transitions.
[2020-09-24 22:43:10,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2020-09-24 22:43:10,605 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:43:10,607 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]
[2020-09-24 22:43:10,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-24 22:43:10,608 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:43:10,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:43:10,608 INFO L82 PathProgramCache]: Analyzing trace with hash 338056749, now seen corresponding path program 1 times
[2020-09-24 22:43:10,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:43:10,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157829375]
[2020-09-24 22:43:10,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:43:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:10,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:10,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:10,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53
[2020-09-24 22:43:10,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:10,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43
[2020-09-24 22:43:10,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:10,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:43:10,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45
[2020-09-24 22:43:10,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-24 22:43:10,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:43:10,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:43:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:10,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:10,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:10,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:43:10,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:10,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 22:43:10,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:10,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:43:10,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:43:10,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:43:10,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:43:10,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 22:43:10,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157829375]
[2020-09-24 22:43:10,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:43:10,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:43:10,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282175825]
[2020-09-24 22:43:10,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:43:10,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:43:10,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:43:10,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:10,695 INFO L87 Difference]: Start difference. First operand 491 states and 618 transitions. Second operand 3 states.
[2020-09-24 22:43:10,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:43:10,718 INFO L93 Difference]: Finished difference Result 599 states and 748 transitions.
[2020-09-24 22:43:10,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:43:10,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46
[2020-09-24 22:43:10,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:43:10,723 INFO L225 Difference]: With dead ends: 599
[2020-09-24 22:43:10,723 INFO L226 Difference]: Without dead ends: 597
[2020-09-24 22:43:10,724 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:10,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states.
[2020-09-24 22:43:10,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 491.
[2020-09-24 22:43:10,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states.
[2020-09-24 22:43:10,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 610 transitions.
[2020-09-24 22:43:10,742 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 610 transitions. Word has length 46
[2020-09-24 22:43:10,742 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:43:10,742 INFO L479 AbstractCegarLoop]: Abstraction has 491 states and 610 transitions.
[2020-09-24 22:43:10,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:43:10,743 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 610 transitions.
[2020-09-24 22:43:10,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-09-24 22:43:10,744 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:43:10,744 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]
[2020-09-24 22:43:10,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-24 22:43:10,745 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:43:10,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:43:10,745 INFO L82 PathProgramCache]: Analyzing trace with hash -144915038, now seen corresponding path program 1 times
[2020-09-24 22:43:10,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:43:10,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [731215439]
[2020-09-24 22:43:10,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:43:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:10,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:10,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:10,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54
[2020-09-24 22:43:10,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:10,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40
[2020-09-24 22:43:10,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:43:10,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46
[2020-09-24 22:43:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-24 22:43:10,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:43:10,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:43:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:10,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:10,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:10,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:43:10,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:10,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 22:43:10,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:10,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:43:10,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:43:10,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:43:10,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:43:10,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 22:43:10,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [731215439]
[2020-09-24 22:43:10,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:43:10,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:43:10,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107705576]
[2020-09-24 22:43:10,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:43:10,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:43:10,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:43:10,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:10,830 INFO L87 Difference]: Start difference. First operand 491 states and 610 transitions. Second operand 3 states.
[2020-09-24 22:43:10,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:43:10,850 INFO L93 Difference]: Finished difference Result 591 states and 724 transitions.
[2020-09-24 22:43:10,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:43:10,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47
[2020-09-24 22:43:10,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:43:10,854 INFO L225 Difference]: With dead ends: 591
[2020-09-24 22:43:10,854 INFO L226 Difference]: Without dead ends: 589
[2020-09-24 22:43:10,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:10,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states.
[2020-09-24 22:43:10,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 491.
[2020-09-24 22:43:10,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states.
[2020-09-24 22:43:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 602 transitions.
[2020-09-24 22:43:10,872 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 602 transitions. Word has length 47
[2020-09-24 22:43:10,873 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:43:10,873 INFO L479 AbstractCegarLoop]: Abstraction has 491 states and 602 transitions.
[2020-09-24 22:43:10,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:43:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 602 transitions.
[2020-09-24 22:43:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-09-24 22:43:10,874 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:43:10,875 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]
[2020-09-24 22:43:10,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-09-24 22:43:10,875 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:43:10,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:43:10,876 INFO L82 PathProgramCache]: Analyzing trace with hash -351776260, now seen corresponding path program 1 times
[2020-09-24 22:43:10,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:43:10,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977942765]
[2020-09-24 22:43:10,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:43:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:10,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:10,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:10,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54
[2020-09-24 22:43:10,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:10,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43
[2020-09-24 22:43:10,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:10,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:43:10,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46
[2020-09-24 22:43:10,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 22:43:10,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:43:10,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:43:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:10,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:10,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:10,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:43:10,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:10,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 22:43:10,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:10,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:43:10,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:43:10,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:43:10,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:43:10,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 22:43:10,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977942765]
[2020-09-24 22:43:10,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:43:10,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:43:10,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733404211]
[2020-09-24 22:43:10,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:43:10,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:43:10,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:43:10,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:10,963 INFO L87 Difference]: Start difference. First operand 491 states and 602 transitions. Second operand 3 states.
[2020-09-24 22:43:10,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:43:10,999 INFO L93 Difference]: Finished difference Result 1373 states and 1691 transitions.
[2020-09-24 22:43:10,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:43:10,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47
[2020-09-24 22:43:11,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:43:11,002 INFO L225 Difference]: With dead ends: 1373
[2020-09-24 22:43:11,002 INFO L226 Difference]: Without dead ends: 491
[2020-09-24 22:43:11,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:11,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states.
[2020-09-24 22:43:11,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491.
[2020-09-24 22:43:11,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states.
[2020-09-24 22:43:11,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 570 transitions.
[2020-09-24 22:43:11,018 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 570 transitions. Word has length 47
[2020-09-24 22:43:11,018 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:43:11,018 INFO L479 AbstractCegarLoop]: Abstraction has 491 states and 570 transitions.
[2020-09-24 22:43:11,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:43:11,019 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 570 transitions.
[2020-09-24 22:43:11,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2020-09-24 22:43:11,020 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:43:11,020 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]
[2020-09-24 22:43:11,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-09-24 22:43:11,020 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:43:11,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:43:11,021 INFO L82 PathProgramCache]: Analyzing trace with hash 2062829121, now seen corresponding path program 1 times
[2020-09-24 22:43:11,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:43:11,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081655470]
[2020-09-24 22:43:11,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:43:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:11,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:11,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:11,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55
[2020-09-24 22:43:11,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:11,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38
[2020-09-24 22:43:11,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:43:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47
[2020-09-24 22:43:11,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-24 22:43:11,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:43:11,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:43:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:43:11,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:43:11,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:43:11,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:43:11,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:43:11,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 22:43:11,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:43:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:43:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:43:11,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:43:11,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:43:11,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 22:43:11,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081655470]
[2020-09-24 22:43:11,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:43:11,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:43:11,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429435347]
[2020-09-24 22:43:11,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:43:11,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:43:11,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:43:11,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:11,097 INFO L87 Difference]: Start difference. First operand 491 states and 570 transitions. Second operand 3 states.
[2020-09-24 22:43:11,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:43:11,108 INFO L93 Difference]: Finished difference Result 491 states and 570 transitions.
[2020-09-24 22:43:11,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:43:11,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48
[2020-09-24 22:43:11,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:43:11,110 INFO L225 Difference]: With dead ends: 491
[2020-09-24 22:43:11,110 INFO L226 Difference]: Without dead ends: 0
[2020-09-24 22:43:11,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:43:11,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-24 22:43:11,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-24 22:43:11,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-24 22:43:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-24 22:43:11,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48
[2020-09-24 22:43:11,112 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:43:11,112 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-24 22:43:11,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:43:11,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-24 22:43:11,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-24 22:43:11,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-09-24 22:43:11,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-24 22:43:11,146 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-09-24 22:43:11,147 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 22:43:11,147 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 22:43:11,147 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-24 22:43:11,147 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-24 22:43:11,147 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-24 22:43:11,147 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 4 93) no Hoare annotation was computed.
[2020-09-24 22:43:11,147 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed.
[2020-09-24 22:43:11,148 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2020-09-24 22:43:11,148 INFO L268 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed.
[2020-09-24 22:43:11,148 INFO L268 CegarLoopResult]: For program point L53-1(lines 24 88) no Hoare annotation was computed.
[2020-09-24 22:43:11,148 INFO L268 CegarLoopResult]: For program point L78-1(lines 24 88) no Hoare annotation was computed.
[2020-09-24 22:43:11,148 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed.
[2020-09-24 22:43:11,148 INFO L268 CegarLoopResult]: For program point L45-1(lines 24 88) no Hoare annotation was computed.
[2020-09-24 22:43:11,148 INFO L268 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed.
[2020-09-24 22:43:11,149 INFO L268 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed.
[2020-09-24 22:43:11,149 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed.
[2020-09-24 22:43:11,149 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed.
[2020-09-24 22:43:11,149 INFO L268 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed.
[2020-09-24 22:43:11,149 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed.
[2020-09-24 22:43:11,149 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed.
[2020-09-24 22:43:11,149 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed.
[2020-09-24 22:43:11,150 INFO L268 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed.
[2020-09-24 22:43:11,150 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 4 93) no Hoare annotation was computed.
[2020-09-24 22:43:11,150 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed.
[2020-09-24 22:43:11,150 INFO L268 CegarLoopResult]: For program point L63-1(lines 24 88) no Hoare annotation was computed.
[2020-09-24 22:43:11,150 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 4 93) the Hoare annotation is: true
[2020-09-24 22:43:11,151 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed.
[2020-09-24 22:43:11,151 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed.
[2020-09-24 22:43:11,151 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed.
[2020-09-24 22:43:11,151 INFO L268 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed.
[2020-09-24 22:43:11,151 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed.
[2020-09-24 22:43:11,151 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed.
[2020-09-24 22:43:11,151 INFO L271 CegarLoopResult]: At program point L89(lines 5 93) the Hoare annotation is: true
[2020-09-24 22:43:11,151 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed.
[2020-09-24 22:43:11,152 INFO L268 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed.
[2020-09-24 22:43:11,152 INFO L268 CegarLoopResult]: For program point L15-2(line 15) no Hoare annotation was computed.
[2020-09-24 22:43:11,152 INFO L268 CegarLoopResult]: For program point L73-1(lines 24 88) no Hoare annotation was computed.
[2020-09-24 22:43:11,152 INFO L268 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed.
[2020-09-24 22:43:11,152 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed.
[2020-09-24 22:43:11,152 INFO L268 CegarLoopResult]: For program point L57-1(lines 24 88) no Hoare annotation was computed.
[2020-09-24 22:43:11,152 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed.
[2020-09-24 22:43:11,153 INFO L268 CegarLoopResult]: For program point L49-1(lines 24 88) no Hoare annotation was computed.
[2020-09-24 22:43:11,153 INFO L268 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed.
[2020-09-24 22:43:11,153 INFO L268 CegarLoopResult]: For program point L41(lines 41 43) no Hoare annotation was computed.
[2020-09-24 22:43:11,153 INFO L268 CegarLoopResult]: For program point L41-2(lines 24 88) no Hoare annotation was computed.
[2020-09-24 22:43:11,153 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed.
[2020-09-24 22:43:11,153 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed.
[2020-09-24 22:43:11,153 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed.
[2020-09-24 22:43:11,153 INFO L268 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed.
[2020-09-24 22:43:11,154 INFO L268 CegarLoopResult]: For program point L25-2(line 25) no Hoare annotation was computed.
[2020-09-24 22:43:11,154 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed.
[2020-09-24 22:43:11,154 INFO L271 CegarLoopResult]: At program point L83-1(lines 24 88) the Hoare annotation is: true
[2020-09-24 22:43:11,154 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed.
[2020-09-24 22:43:11,154 INFO L268 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed.
[2020-09-24 22:43:11,154 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed.
[2020-09-24 22:43:11,154 INFO L268 CegarLoopResult]: For program point L9-1(line 9) no Hoare annotation was computed.
[2020-09-24 22:43:11,154 INFO L268 CegarLoopResult]: For program point L9-2(line 9) no Hoare annotation was computed.
[2020-09-24 22:43:11,155 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed.
[2020-09-24 22:43:11,155 INFO L268 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed.
[2020-09-24 22:43:11,155 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed.
[2020-09-24 22:43:11,155 INFO L264 CegarLoopResult]: At program point L84-1(lines 5 93) the Hoare annotation is: false
[2020-09-24 22:43:11,155 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed.
[2020-09-24 22:43:11,155 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed.
[2020-09-24 22:43:11,155 INFO L268 CegarLoopResult]: For program point L18-2(line 18) no Hoare annotation was computed.
[2020-09-24 22:43:11,155 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed.
[2020-09-24 22:43:11,156 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed.
[2020-09-24 22:43:11,156 INFO L268 CegarLoopResult]: For program point L68-1(lines 24 88) no Hoare annotation was computed.
[2020-09-24 22:43:11,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 10:43:11 BoogieIcfgContainer
[2020-09-24 22:43:11,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 22:43:11,173 INFO L168 Benchmark]: Toolchain (without parser) took 3193.86 ms. Allocated memory was 149.4 MB in the beginning and 241.7 MB in the end (delta: 92.3 MB). Free memory was 105.9 MB in the beginning and 183.0 MB in the end (delta: -77.0 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB.
[2020-09-24 22:43:11,174 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 149.4 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-24 22:43:11,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.98 ms. Allocated memory is still 149.4 MB. Free memory was 105.3 MB in the beginning and 95.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB.
[2020-09-24 22:43:11,175 INFO L168 Benchmark]: Boogie Preprocessor took 129.01 ms. Allocated memory was 149.4 MB in the beginning and 205.5 MB in the end (delta: 56.1 MB). Free memory was 95.4 MB in the beginning and 183.7 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
[2020-09-24 22:43:11,176 INFO L168 Benchmark]: RCFGBuilder took 438.79 ms. Allocated memory is still 205.5 MB. Free memory was 183.7 MB in the beginning and 165.9 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB.
[2020-09-24 22:43:11,177 INFO L168 Benchmark]: TraceAbstraction took 2304.87 ms. Allocated memory was 205.5 MB in the beginning and 241.7 MB in the end (delta: 36.2 MB). Free memory was 165.9 MB in the beginning and 183.0 MB in the end (delta: -17.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB.
[2020-09-24 22:43:11,180 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28 ms. Allocated memory is still 149.4 MB. Free memory was 124.1 MB in the beginning and 123.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 310.98 ms. Allocated memory is still 149.4 MB. Free memory was 105.3 MB in the beginning and 95.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 129.01 ms. Allocated memory was 149.4 MB in the beginning and 205.5 MB in the end (delta: 56.1 MB). Free memory was 95.4 MB in the beginning and 183.7 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 438.79 ms. Allocated memory is still 205.5 MB. Free memory was 183.7 MB in the beginning and 165.9 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 2304.87 ms. Allocated memory was 205.5 MB in the beginning and 241.7 MB in the end (delta: 36.2 MB). Free memory was 165.9 MB in the beginning and 183.0 MB in the end (delta: -17.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 91]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 24]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 5]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 5]: Loop Invariant
Derived loop invariant: 1
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.1s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 956 SDtfs, 332 SDslu, 668 SDs, 0 SdLazy, 49 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=491occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 266 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 41 NumberOfFragments, 7 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 455 NumberOfCodeBlocks, 455 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 24725 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...