/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --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_10.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 07:48:14,978 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 07:48:14,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 07:48:15,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 07:48:15,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 07:48:15,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 07:48:15,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 07:48:15,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 07:48:15,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 07:48:15,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 07:48:15,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 07:48:15,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 07:48:15,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 07:48:15,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 07:48:15,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 07:48:15,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 07:48:15,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 07:48:15,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 07:48:15,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 07:48:15,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 07:48:15,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 07:48:15,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 07:48:15,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 07:48:15,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 07:48:15,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 07:48:15,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 07:48:15,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 07:48:15,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 07:48:15,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 07:48:15,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 07:48:15,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 07:48:15,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 07:48:15,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 07:48:15,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 07:48:15,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 07:48:15,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 07:48:15,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 07:48:15,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 07:48:15,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 07:48:15,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 07:48:15,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 07:48:15,071 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 07:48:15,097 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 07:48:15,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 07:48:15,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 07:48:15,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 07:48:15,099 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 07:48:15,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 07:48:15,099 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 07:48:15,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 07:48:15,100 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 07:48:15,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 07:48:15,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 07:48:15,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 07:48:15,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 07:48:15,101 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 07:48:15,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 07:48:15,101 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 07:48:15,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 07:48:15,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 07:48:15,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 07:48:15,102 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 07:48:15,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 07:48:15,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 07:48:15,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 07:48:15,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 07:48:15,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 07:48:15,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 07:48:15,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 07:48:15,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 07:48:15,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 07:48:15,104 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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;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=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true;
[2020-09-25 07:48:15,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 07:48:15,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 07:48:15,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 07:48:15,595 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 07:48:15,595 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 07:48:15,596 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_10.c
[2020-09-25 07:48:15,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d1a84bbe/735910dc213f458a96ed7b6aa3cd9a38/FLAG23e4bdeba
[2020-09-25 07:48:16,221 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 07:48:16,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/locks/test_locks_10.c
[2020-09-25 07:48:16,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d1a84bbe/735910dc213f458a96ed7b6aa3cd9a38/FLAG23e4bdeba
[2020-09-25 07:48:16,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7d1a84bbe/735910dc213f458a96ed7b6aa3cd9a38
[2020-09-25 07:48:16,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 07:48:16,581 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 07:48:16,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 07:48:16,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 07:48:16,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 07:48:16,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:48:16" (1/1) ...
[2020-09-25 07:48:16,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d876c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:48:16, skipping insertion in model container
[2020-09-25 07:48:16,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:48:16" (1/1) ...
[2020-09-25 07:48:16,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 07:48:16,635 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 07:48:16,875 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 07:48:16,884 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 07:48:16,919 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 07:48:16,937 INFO L208 MainTranslator]: Completed translation
[2020-09-25 07:48:16,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:48:16 WrapperNode
[2020-09-25 07:48:16,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 07:48:16,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 07:48:16,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 07:48:16,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 07:48:17,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:48:16" (1/1) ...
[2020-09-25 07:48:17,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:48:16" (1/1) ...
[2020-09-25 07:48:17,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:48:16" (1/1) ...
[2020-09-25 07:48:17,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:48:16" (1/1) ...
[2020-09-25 07:48:17,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:48:16" (1/1) ...
[2020-09-25 07:48:17,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:48:16" (1/1) ...
[2020-09-25 07:48:17,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:48:16" (1/1) ...
[2020-09-25 07:48:17,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 07:48:17,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 07:48:17,082 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 07:48:17,083 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 07:48:17,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:48:16" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 07:48:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 07:48:17,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 07:48:17,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 07:48:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 07:48:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 07:48:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 07:48:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 07:48:17,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 07:48:17,610 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 07:48:17,610 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-25 07:48:17,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:48:17 BoogieIcfgContainer
[2020-09-25 07:48:17,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 07:48:17,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 07:48:17,619 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 07:48:17,623 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 07:48:17,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:48:16" (1/3) ...
[2020-09-25 07:48:17,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef4bb5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:48:17, skipping insertion in model container
[2020-09-25 07:48:17,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:48:16" (2/3) ...
[2020-09-25 07:48:17,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef4bb5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:48:17, skipping insertion in model container
[2020-09-25 07:48:17,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:48:17" (3/3) ...
[2020-09-25 07:48:17,628 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_10.c
[2020-09-25 07:48:17,640 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 07:48:17,650 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 07:48:17,674 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 07:48:17,717 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 07:48:17,718 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 07:48:17,718 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 07:48:17,718 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 07:48:17,718 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 07:48:17,718 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 07:48:17,718 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 07:48:17,719 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 07:48:17,743 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states.
[2020-09-25 07:48:17,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2020-09-25 07:48:17,754 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:17,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:17,756 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:17,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:17,763 INFO L82 PathProgramCache]: Analyzing trace with hash -74913912, now seen corresponding path program 1 times
[2020-09-25 07:48:17,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:17,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545314677]
[2020-09-25 07:48:17,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:17,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:18,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:18,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80
[2020-09-25 07:48:18,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:18,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209
[2020-09-25 07:48:18,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:18,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:18,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:18,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67
[2020-09-25 07:48:18,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 07:48:18,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 07:48:18,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:18,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:18,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:18,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:18,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:18,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 07:48:18,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:18,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:18,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:18,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:18,315 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545314677]
[2020-09-25 07:48:18,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:18,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:18,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954510564]
[2020-09-25 07:48:18,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:18,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:18,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:18,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:18,347 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 3 states.
[2020-09-25 07:48:18,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:18,427 INFO L93 Difference]: Finished difference Result 257 states and 353 transitions.
[2020-09-25 07:48:18,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:18,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73
[2020-09-25 07:48:18,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:18,448 INFO L225 Difference]: With dead ends: 257
[2020-09-25 07:48:18,448 INFO L226 Difference]: Without dead ends: 176
[2020-09-25 07:48:18,453 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
[2020-09-25 07:48:18,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states.
[2020-09-25 07:48:18,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174.
[2020-09-25 07:48:18,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states.
[2020-09-25 07:48:18,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 230 transitions.
[2020-09-25 07:48:18,523 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 230 transitions. Word has length 73
[2020-09-25 07:48:18,524 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:18,524 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 230 transitions.
[2020-09-25 07:48:18,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:18,525 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 230 transitions.
[2020-09-25 07:48:18,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2020-09-25 07:48:18,528 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:18,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:18,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 07:48:18,529 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:18,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:18,529 INFO L82 PathProgramCache]: Analyzing trace with hash 328701044, now seen corresponding path program 1 times
[2020-09-25 07:48:18,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:18,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101908600]
[2020-09-25 07:48:18,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:18,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:18,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:18,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81
[2020-09-25 07:48:18,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:18,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146
[2020-09-25 07:48:18,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:18,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:18,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:18,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68
[2020-09-25 07:48:18,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 07:48:18,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:18,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:18,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:18,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:18,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:18,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:18,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:48:18,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:18,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:18,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:18,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:18,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:18,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 07:48:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:18,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101908600]
[2020-09-25 07:48:18,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:18,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:18,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597920304]
[2020-09-25 07:48:18,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:18,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:18,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:18,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:18,846 INFO L87 Difference]: Start difference. First operand 174 states and 230 transitions. Second operand 3 states.
[2020-09-25 07:48:18,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:18,897 INFO L93 Difference]: Finished difference Result 211 states and 283 transitions.
[2020-09-25 07:48:18,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:18,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74
[2020-09-25 07:48:18,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:18,906 INFO L225 Difference]: With dead ends: 211
[2020-09-25 07:48:18,907 INFO L226 Difference]: Without dead ends: 209
[2020-09-25 07:48:18,908 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
[2020-09-25 07:48:18,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states.
[2020-09-25 07:48:18,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 174.
[2020-09-25 07:48:18,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states.
[2020-09-25 07:48:18,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 229 transitions.
[2020-09-25 07:48:18,942 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 229 transitions. Word has length 74
[2020-09-25 07:48:18,942 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:18,942 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 229 transitions.
[2020-09-25 07:48:18,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:18,944 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 229 transitions.
[2020-09-25 07:48:18,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2020-09-25 07:48:18,948 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:18,948 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:18,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 07:48:18,951 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:18,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:18,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1972879950, now seen corresponding path program 1 times
[2020-09-25 07:48:18,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:18,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1613182603]
[2020-09-25 07:48:18,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:19,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:19,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:19,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81
[2020-09-25 07:48:19,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:19,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91
[2020-09-25 07:48:19,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:19,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:19,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68
[2020-09-25 07:48:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 07:48:19,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:19,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:19,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:19,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:19,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:19,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:19,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-25 07:48:19,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:19,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:19,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:19,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:19,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1613182603]
[2020-09-25 07:48:19,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:19,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:19,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601722397]
[2020-09-25 07:48:19,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:19,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:19,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:19,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:19,138 INFO L87 Difference]: Start difference. First operand 174 states and 229 transitions. Second operand 3 states.
[2020-09-25 07:48:19,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:19,175 INFO L93 Difference]: Finished difference Result 426 states and 589 transitions.
[2020-09-25 07:48:19,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:19,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74
[2020-09-25 07:48:19,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:19,179 INFO L225 Difference]: With dead ends: 426
[2020-09-25 07:48:19,179 INFO L226 Difference]: Without dead ends: 297
[2020-09-25 07:48:19,182 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
[2020-09-25 07:48:19,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states.
[2020-09-25 07:48:19,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 295.
[2020-09-25 07:48:19,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states.
[2020-09-25 07:48:19,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 400 transitions.
[2020-09-25 07:48:19,219 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 400 transitions. Word has length 74
[2020-09-25 07:48:19,219 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:19,219 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 400 transitions.
[2020-09-25 07:48:19,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:19,223 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 400 transitions.
[2020-09-25 07:48:19,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2020-09-25 07:48:19,225 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:19,226 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:19,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 07:48:19,226 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:19,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:19,227 INFO L82 PathProgramCache]: Analyzing trace with hash -618815907, now seen corresponding path program 1 times
[2020-09-25 07:48:19,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:19,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787660682]
[2020-09-25 07:48:19,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:19,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:19,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:19,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82
[2020-09-25 07:48:19,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:19,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91
[2020-09-25 07:48:19,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:19,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:19,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:19,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69
[2020-09-25 07:48:19,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 07:48:19,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 07:48:19,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:19,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:19,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:19,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:19,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:19,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:48:19,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:19,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:19,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:19,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:19,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:19,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:19,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:19,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787660682]
[2020-09-25 07:48:19,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:19,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:19,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732662009]
[2020-09-25 07:48:19,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:19,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:19,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:19,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:19,404 INFO L87 Difference]: Start difference. First operand 295 states and 400 transitions. Second operand 3 states.
[2020-09-25 07:48:19,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:19,420 INFO L93 Difference]: Finished difference Result 361 states and 496 transitions.
[2020-09-25 07:48:19,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:19,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75
[2020-09-25 07:48:19,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:19,424 INFO L225 Difference]: With dead ends: 361
[2020-09-25 07:48:19,424 INFO L226 Difference]: Without dead ends: 359
[2020-09-25 07:48:19,425 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
[2020-09-25 07:48:19,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states.
[2020-09-25 07:48:19,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 295.
[2020-09-25 07:48:19,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states.
[2020-09-25 07:48:19,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 398 transitions.
[2020-09-25 07:48:19,436 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 398 transitions. Word has length 75
[2020-09-25 07:48:19,436 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:19,436 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 398 transitions.
[2020-09-25 07:48:19,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:19,437 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 398 transitions.
[2020-09-25 07:48:19,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2020-09-25 07:48:19,438 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:19,438 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:19,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 07:48:19,439 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:19,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:19,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1029980604, now seen corresponding path program 1 times
[2020-09-25 07:48:19,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:19,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1018574278]
[2020-09-25 07:48:19,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:19,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:19,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:19,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82
[2020-09-25 07:48:19,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:19,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59
[2020-09-25 07:48:19,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:19,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:19,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:19,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69
[2020-09-25 07:48:19,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 07:48:19,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:19,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:19,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:19,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:19,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:19,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:19,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:48:19,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:19,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:19,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:19,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:19,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:19,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:19,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:19,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1018574278]
[2020-09-25 07:48:19,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:19,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:19,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619463867]
[2020-09-25 07:48:19,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:19,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:19,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:19,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:19,552 INFO L87 Difference]: Start difference. First operand 295 states and 398 transitions. Second operand 3 states.
[2020-09-25 07:48:19,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:19,575 INFO L93 Difference]: Finished difference Result 783 states and 1088 transitions.
[2020-09-25 07:48:19,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:19,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75
[2020-09-25 07:48:19,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:19,579 INFO L225 Difference]: With dead ends: 783
[2020-09-25 07:48:19,579 INFO L226 Difference]: Without dead ends: 533
[2020-09-25 07:48:19,581 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
[2020-09-25 07:48:19,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states.
[2020-09-25 07:48:19,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 531.
[2020-09-25 07:48:19,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states.
[2020-09-25 07:48:19,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 726 transitions.
[2020-09-25 07:48:19,600 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 726 transitions. Word has length 75
[2020-09-25 07:48:19,601 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:19,601 INFO L479 AbstractCegarLoop]: Abstraction has 531 states and 726 transitions.
[2020-09-25 07:48:19,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:19,601 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 726 transitions.
[2020-09-25 07:48:19,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2020-09-25 07:48:19,603 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:19,603 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:19,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 07:48:19,604 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:19,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:19,604 INFO L82 PathProgramCache]: Analyzing trace with hash 72930056, now seen corresponding path program 1 times
[2020-09-25 07:48:19,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:19,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532210530]
[2020-09-25 07:48:19,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:19,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:19,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:19,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83
[2020-09-25 07:48:19,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:19,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63
[2020-09-25 07:48:19,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:19,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70
[2020-09-25 07:48:19,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 07:48:19,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:19,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:19,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:19,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:19,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:19,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:19,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:48:19,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:19,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:19,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:19,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:19,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:19,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:19,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:19,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532210530]
[2020-09-25 07:48:19,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:19,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:19,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082766136]
[2020-09-25 07:48:19,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:19,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:19,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:19,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:19,734 INFO L87 Difference]: Start difference. First operand 531 states and 726 transitions. Second operand 3 states.
[2020-09-25 07:48:19,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:19,755 INFO L93 Difference]: Finished difference Result 651 states and 900 transitions.
[2020-09-25 07:48:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:19,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76
[2020-09-25 07:48:19,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:19,760 INFO L225 Difference]: With dead ends: 651
[2020-09-25 07:48:19,760 INFO L226 Difference]: Without dead ends: 649
[2020-09-25 07:48:19,761 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
[2020-09-25 07:48:19,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states.
[2020-09-25 07:48:19,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 531.
[2020-09-25 07:48:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states.
[2020-09-25 07:48:19,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 722 transitions.
[2020-09-25 07:48:19,779 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 722 transitions. Word has length 76
[2020-09-25 07:48:19,779 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:19,779 INFO L479 AbstractCegarLoop]: Abstraction has 531 states and 722 transitions.
[2020-09-25 07:48:19,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:19,779 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 722 transitions.
[2020-09-25 07:48:19,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2020-09-25 07:48:19,781 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:19,781 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:19,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 07:48:19,782 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:19,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:19,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1864872322, now seen corresponding path program 1 times
[2020-09-25 07:48:19,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:19,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983340771]
[2020-09-25 07:48:19,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:19,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:19,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:19,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83
[2020-09-25 07:48:19,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:19,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55
[2020-09-25 07:48:19,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:19,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:19,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:19,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70
[2020-09-25 07:48:19,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 07:48:19,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:19,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:19,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:19,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:19,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:19,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:19,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:48:19,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:19,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:19,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:19,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:19,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:19,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:19,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:19,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983340771]
[2020-09-25 07:48:19,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:19,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:19,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170303740]
[2020-09-25 07:48:19,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:19,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:19,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:19,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:19,884 INFO L87 Difference]: Start difference. First operand 531 states and 722 transitions. Second operand 3 states.
[2020-09-25 07:48:19,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:19,910 INFO L93 Difference]: Finished difference Result 1479 states and 2044 transitions.
[2020-09-25 07:48:19,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:19,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76
[2020-09-25 07:48:19,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:19,916 INFO L225 Difference]: With dead ends: 1479
[2020-09-25 07:48:19,916 INFO L226 Difference]: Without dead ends: 993
[2020-09-25 07:48:19,918 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
[2020-09-25 07:48:19,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states.
[2020-09-25 07:48:19,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 991.
[2020-09-25 07:48:19,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states.
[2020-09-25 07:48:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1350 transitions.
[2020-09-25 07:48:19,942 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1350 transitions. Word has length 76
[2020-09-25 07:48:19,942 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:19,942 INFO L479 AbstractCegarLoop]: Abstraction has 991 states and 1350 transitions.
[2020-09-25 07:48:19,942 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1350 transitions.
[2020-09-25 07:48:19,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2020-09-25 07:48:19,944 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:19,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:19,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-25 07:48:19,945 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:19,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:19,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1976712176, now seen corresponding path program 1 times
[2020-09-25 07:48:19,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:19,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1187789675]
[2020-09-25 07:48:19,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:19,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:20,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:20,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84
[2020-09-25 07:48:20,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:20,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59
[2020-09-25 07:48:20,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:20,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:20,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71
[2020-09-25 07:48:20,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 07:48:20,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:20,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:20,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:20,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:20,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:20,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:20,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-25 07:48:20,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:20,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:20,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:20,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:20,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:20,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1187789675]
[2020-09-25 07:48:20,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:20,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:20,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158429220]
[2020-09-25 07:48:20,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:20,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:20,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:20,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:20,067 INFO L87 Difference]: Start difference. First operand 991 states and 1350 transitions. Second operand 3 states.
[2020-09-25 07:48:20,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:20,110 INFO L93 Difference]: Finished difference Result 2835 states and 3896 transitions.
[2020-09-25 07:48:20,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:20,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77
[2020-09-25 07:48:20,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:20,120 INFO L225 Difference]: With dead ends: 2835
[2020-09-25 07:48:20,121 INFO L226 Difference]: Without dead ends: 1889
[2020-09-25 07:48:20,123 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
[2020-09-25 07:48:20,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states.
[2020-09-25 07:48:20,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1887.
[2020-09-25 07:48:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states.
[2020-09-25 07:48:20,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2558 transitions.
[2020-09-25 07:48:20,166 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2558 transitions. Word has length 77
[2020-09-25 07:48:20,167 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:20,167 INFO L479 AbstractCegarLoop]: Abstraction has 1887 states and 2558 transitions.
[2020-09-25 07:48:20,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:20,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2558 transitions.
[2020-09-25 07:48:20,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2020-09-25 07:48:20,169 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:20,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:20,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-09-25 07:48:20,170 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:20,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:20,170 INFO L82 PathProgramCache]: Analyzing trace with hash 42218801, now seen corresponding path program 1 times
[2020-09-25 07:48:20,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:20,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1726399433]
[2020-09-25 07:48:20,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:20,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:20,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:20,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84
[2020-09-25 07:48:20,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:20,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55
[2020-09-25 07:48:20,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:20,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:20,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:20,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71
[2020-09-25 07:48:20,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 07:48:20,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:20,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:20,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:20,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:20,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:20,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:20,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:48:20,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:20,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:20,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:20,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:20,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:20,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:20,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:20,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1726399433]
[2020-09-25 07:48:20,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:20,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:20,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666736120]
[2020-09-25 07:48:20,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:20,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:20,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:20,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:20,270 INFO L87 Difference]: Start difference. First operand 1887 states and 2558 transitions. Second operand 3 states.
[2020-09-25 07:48:20,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:20,312 INFO L93 Difference]: Finished difference Result 2307 states and 3152 transitions.
[2020-09-25 07:48:20,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:20,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77
[2020-09-25 07:48:20,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:20,323 INFO L225 Difference]: With dead ends: 2307
[2020-09-25 07:48:20,323 INFO L226 Difference]: Without dead ends: 2305
[2020-09-25 07:48:20,324 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
[2020-09-25 07:48:20,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2305 states.
[2020-09-25 07:48:20,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2305 to 1887.
[2020-09-25 07:48:20,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states.
[2020-09-25 07:48:20,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2542 transitions.
[2020-09-25 07:48:20,369 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2542 transitions. Word has length 77
[2020-09-25 07:48:20,369 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:20,369 INFO L479 AbstractCegarLoop]: Abstraction has 1887 states and 2542 transitions.
[2020-09-25 07:48:20,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:20,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2542 transitions.
[2020-09-25 07:48:20,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2020-09-25 07:48:20,371 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:20,372 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:20,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-09-25 07:48:20,372 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:20,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:20,372 INFO L82 PathProgramCache]: Analyzing trace with hash -909829732, now seen corresponding path program 1 times
[2020-09-25 07:48:20,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:20,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2027571591]
[2020-09-25 07:48:20,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:20,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:20,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:20,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 07:48:20,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:20,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53
[2020-09-25 07:48:20,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:20,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:20,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:20,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72
[2020-09-25 07:48:20,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 07:48:20,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:48:20,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:20,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:20,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:20,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:20,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:20,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:48:20,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:20,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:20,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:48:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:20,466 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2027571591]
[2020-09-25 07:48:20,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:20,467 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:20,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40584471]
[2020-09-25 07:48:20,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:20,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:20,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:20,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:20,468 INFO L87 Difference]: Start difference. First operand 1887 states and 2542 transitions. Second operand 3 states.
[2020-09-25 07:48:20,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:20,495 INFO L93 Difference]: Finished difference Result 2291 states and 3104 transitions.
[2020-09-25 07:48:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:20,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78
[2020-09-25 07:48:20,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:20,506 INFO L225 Difference]: With dead ends: 2291
[2020-09-25 07:48:20,506 INFO L226 Difference]: Without dead ends: 2289
[2020-09-25 07:48:20,507 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
[2020-09-25 07:48:20,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states.
[2020-09-25 07:48:20,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 1887.
[2020-09-25 07:48:20,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1887 states.
[2020-09-25 07:48:20,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1887 states and 2526 transitions.
[2020-09-25 07:48:20,557 INFO L78 Accepts]: Start accepts. Automaton has 1887 states and 2526 transitions. Word has length 78
[2020-09-25 07:48:20,557 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:20,557 INFO L479 AbstractCegarLoop]: Abstraction has 1887 states and 2526 transitions.
[2020-09-25 07:48:20,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:20,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2526 transitions.
[2020-09-25 07:48:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2020-09-25 07:48:20,559 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:20,559 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:20,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-09-25 07:48:20,560 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:20,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:20,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1148780726, now seen corresponding path program 1 times
[2020-09-25 07:48:20,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:20,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277689347]
[2020-09-25 07:48:20,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:20,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:20,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:20,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 07:48:20,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:20,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55
[2020-09-25 07:48:20,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:20,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:20,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72
[2020-09-25 07:48:20,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 07:48:20,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:20,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:20,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:20,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:20,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:20,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:20,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:48:20,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:20,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:20,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:20,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:20,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:20,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:48:20,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:20,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277689347]
[2020-09-25 07:48:20,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:20,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:20,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387538679]
[2020-09-25 07:48:20,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:20,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:20,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:20,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:20,658 INFO L87 Difference]: Start difference. First operand 1887 states and 2526 transitions. Second operand 3 states.
[2020-09-25 07:48:20,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:20,706 INFO L93 Difference]: Finished difference Result 5475 states and 7360 transitions.
[2020-09-25 07:48:20,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:20,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78
[2020-09-25 07:48:20,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:20,723 INFO L225 Difference]: With dead ends: 5475
[2020-09-25 07:48:20,723 INFO L226 Difference]: Without dead ends: 3633
[2020-09-25 07:48:20,727 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
[2020-09-25 07:48:20,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3633 states.
[2020-09-25 07:48:20,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3633 to 3631.
[2020-09-25 07:48:20,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3631 states.
[2020-09-25 07:48:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3631 states to 3631 states and 4814 transitions.
[2020-09-25 07:48:20,831 INFO L78 Accepts]: Start accepts. Automaton has 3631 states and 4814 transitions. Word has length 78
[2020-09-25 07:48:20,831 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:20,831 INFO L479 AbstractCegarLoop]: Abstraction has 3631 states and 4814 transitions.
[2020-09-25 07:48:20,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:20,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3631 states and 4814 transitions.
[2020-09-25 07:48:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2020-09-25 07:48:20,834 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:20,834 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:20,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2020-09-25 07:48:20,835 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:20,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:20,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1252709924, now seen corresponding path program 1 times
[2020-09-25 07:48:20,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:20,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194523153]
[2020-09-25 07:48:20,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:20,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:20,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:20,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 07:48:20,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:20,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54
[2020-09-25 07:48:20,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:20,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:20,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:20,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73
[2020-09-25 07:48:20,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 07:48:20,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:20,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:20,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:20,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:20,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:20,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:20,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:48:20,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:20,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:20,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:20,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:20,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:20,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:20,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:20,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194523153]
[2020-09-25 07:48:20,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:20,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:20,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910297318]
[2020-09-25 07:48:20,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:20,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:20,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:20,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:20,932 INFO L87 Difference]: Start difference. First operand 3631 states and 4814 transitions. Second operand 3 states.
[2020-09-25 07:48:21,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:21,023 INFO L93 Difference]: Finished difference Result 10611 states and 14096 transitions.
[2020-09-25 07:48:21,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:21,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79
[2020-09-25 07:48:21,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:21,054 INFO L225 Difference]: With dead ends: 10611
[2020-09-25 07:48:21,054 INFO L226 Difference]: Without dead ends: 7025
[2020-09-25 07:48:21,064 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
[2020-09-25 07:48:21,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7025 states.
[2020-09-25 07:48:21,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7025 to 7023.
[2020-09-25 07:48:21,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7023 states.
[2020-09-25 07:48:21,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7023 states to 7023 states and 9198 transitions.
[2020-09-25 07:48:21,276 INFO L78 Accepts]: Start accepts. Automaton has 7023 states and 9198 transitions. Word has length 79
[2020-09-25 07:48:21,276 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:21,277 INFO L479 AbstractCegarLoop]: Abstraction has 7023 states and 9198 transitions.
[2020-09-25 07:48:21,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:21,277 INFO L276 IsEmpty]: Start isEmpty. Operand 7023 states and 9198 transitions.
[2020-09-25 07:48:21,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2020-09-25 07:48:21,282 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:21,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:21,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2020-09-25 07:48:21,283 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:21,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:21,283 INFO L82 PathProgramCache]: Analyzing trace with hash -358562811, now seen corresponding path program 1 times
[2020-09-25 07:48:21,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:21,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2008150588]
[2020-09-25 07:48:21,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:21,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:21,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:21,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-25 07:48:21,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:21,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63
[2020-09-25 07:48:21,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:21,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:21,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73
[2020-09-25 07:48:21,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 07:48:21,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:21,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:21,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:21,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:21,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:21,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:21,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:48:21,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:21,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:21,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:21,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2008150588]
[2020-09-25 07:48:21,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:21,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:21,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452138772]
[2020-09-25 07:48:21,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:21,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:21,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:21,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:21,401 INFO L87 Difference]: Start difference. First operand 7023 states and 9198 transitions. Second operand 3 states.
[2020-09-25 07:48:21,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:21,529 INFO L93 Difference]: Finished difference Result 8435 states and 11056 transitions.
[2020-09-25 07:48:21,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:21,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79
[2020-09-25 07:48:21,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:21,579 INFO L225 Difference]: With dead ends: 8435
[2020-09-25 07:48:21,579 INFO L226 Difference]: Without dead ends: 8433
[2020-09-25 07:48:21,587 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
[2020-09-25 07:48:21,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8433 states.
[2020-09-25 07:48:21,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8433 to 7023.
[2020-09-25 07:48:21,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7023 states.
[2020-09-25 07:48:21,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7023 states to 7023 states and 9134 transitions.
[2020-09-25 07:48:21,740 INFO L78 Accepts]: Start accepts. Automaton has 7023 states and 9134 transitions. Word has length 79
[2020-09-25 07:48:21,740 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:21,740 INFO L479 AbstractCegarLoop]: Abstraction has 7023 states and 9134 transitions.
[2020-09-25 07:48:21,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:21,741 INFO L276 IsEmpty]: Start isEmpty. Operand 7023 states and 9134 transitions.
[2020-09-25 07:48:21,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2020-09-25 07:48:21,748 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:21,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:21,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2020-09-25 07:48:21,749 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:21,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:21,749 INFO L82 PathProgramCache]: Analyzing trace with hash -449157072, now seen corresponding path program 1 times
[2020-09-25 07:48:21,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:21,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1392130253]
[2020-09-25 07:48:21,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:21,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:21,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:21,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87
[2020-09-25 07:48:21,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:21,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54
[2020-09-25 07:48:21,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:21,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74
[2020-09-25 07:48:21,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 07:48:21,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:48:21,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:21,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:21,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:21,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:21,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:21,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-25 07:48:21,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:21,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:21,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:21,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:21,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:21,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:48:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:21,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1392130253]
[2020-09-25 07:48:21,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:21,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:21,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703845555]
[2020-09-25 07:48:21,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:21,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:21,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:21,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:21,853 INFO L87 Difference]: Start difference. First operand 7023 states and 9134 transitions. Second operand 3 states.
[2020-09-25 07:48:21,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:21,915 INFO L93 Difference]: Finished difference Result 8371 states and 10864 transitions.
[2020-09-25 07:48:21,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:21,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80
[2020-09-25 07:48:21,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:21,932 INFO L225 Difference]: With dead ends: 8371
[2020-09-25 07:48:21,932 INFO L226 Difference]: Without dead ends: 8369
[2020-09-25 07:48:21,937 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
[2020-09-25 07:48:21,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8369 states.
[2020-09-25 07:48:22,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8369 to 7023.
[2020-09-25 07:48:22,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7023 states.
[2020-09-25 07:48:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7023 states to 7023 states and 9070 transitions.
[2020-09-25 07:48:22,119 INFO L78 Accepts]: Start accepts. Automaton has 7023 states and 9070 transitions. Word has length 80
[2020-09-25 07:48:22,120 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:22,120 INFO L479 AbstractCegarLoop]: Abstraction has 7023 states and 9070 transitions.
[2020-09-25 07:48:22,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:22,120 INFO L276 IsEmpty]: Start isEmpty. Operand 7023 states and 9070 transitions.
[2020-09-25 07:48:22,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2020-09-25 07:48:22,125 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:22,125 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:22,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2020-09-25 07:48:22,126 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:22,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:22,126 INFO L82 PathProgramCache]: Analyzing trace with hash 179548138, now seen corresponding path program 1 times
[2020-09-25 07:48:22,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:22,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [794062868]
[2020-09-25 07:48:22,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:22,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:22,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:22,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87
[2020-09-25 07:48:22,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:22,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51
[2020-09-25 07:48:22,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:22,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:22,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:22,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74
[2020-09-25 07:48:22,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 07:48:22,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:48:22,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:22,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:22,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:22,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:22,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:22,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:48:22,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:22,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:22,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:22,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:22,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:22,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:48:22,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:22,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [794062868]
[2020-09-25 07:48:22,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:22,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:22,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054680343]
[2020-09-25 07:48:22,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:22,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:22,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:22,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:22,219 INFO L87 Difference]: Start difference. First operand 7023 states and 9070 transitions. Second operand 3 states.
[2020-09-25 07:48:22,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:22,335 INFO L93 Difference]: Finished difference Result 20595 states and 26608 transitions.
[2020-09-25 07:48:22,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:22,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80
[2020-09-25 07:48:22,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:22,367 INFO L225 Difference]: With dead ends: 20595
[2020-09-25 07:48:22,367 INFO L226 Difference]: Without dead ends: 13617
[2020-09-25 07:48:22,383 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
[2020-09-25 07:48:22,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13617 states.
[2020-09-25 07:48:22,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13617 to 13615.
[2020-09-25 07:48:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13615 states.
[2020-09-25 07:48:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13615 states to 13615 states and 17326 transitions.
[2020-09-25 07:48:22,685 INFO L78 Accepts]: Start accepts. Automaton has 13615 states and 17326 transitions. Word has length 80
[2020-09-25 07:48:22,686 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:22,686 INFO L479 AbstractCegarLoop]: Abstraction has 13615 states and 17326 transitions.
[2020-09-25 07:48:22,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:22,686 INFO L276 IsEmpty]: Start isEmpty. Operand 13615 states and 17326 transitions.
[2020-09-25 07:48:22,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2020-09-25 07:48:22,698 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:22,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:22,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2020-09-25 07:48:22,699 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:22,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:22,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1037388505, now seen corresponding path program 1 times
[2020-09-25 07:48:22,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:22,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1455560035]
[2020-09-25 07:48:22,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:22,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:22,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:22,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88
[2020-09-25 07:48:22,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:22,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178
[2020-09-25 07:48:22,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:22,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:22,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:22,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75
[2020-09-25 07:48:22,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 07:48:22,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:48:22,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:22,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:22,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:22,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:22,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:22,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:48:22,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:22,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:22,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:22,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:22,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:22,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:22,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:22,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1455560035]
[2020-09-25 07:48:22,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:22,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:22,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309967907]
[2020-09-25 07:48:22,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:22,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:22,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:22,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:22,933 INFO L87 Difference]: Start difference. First operand 13615 states and 17326 transitions. Second operand 3 states.
[2020-09-25 07:48:23,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:23,052 INFO L93 Difference]: Finished difference Result 16051 states and 20272 transitions.
[2020-09-25 07:48:23,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:23,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81
[2020-09-25 07:48:23,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:23,082 INFO L225 Difference]: With dead ends: 16051
[2020-09-25 07:48:23,083 INFO L226 Difference]: Without dead ends: 16049
[2020-09-25 07:48:23,089 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
[2020-09-25 07:48:23,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16049 states.
[2020-09-25 07:48:23,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16049 to 13615.
[2020-09-25 07:48:23,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13615 states.
[2020-09-25 07:48:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13615 states to 13615 states and 17198 transitions.
[2020-09-25 07:48:23,367 INFO L78 Accepts]: Start accepts. Automaton has 13615 states and 17198 transitions. Word has length 81
[2020-09-25 07:48:23,367 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:23,367 INFO L479 AbstractCegarLoop]: Abstraction has 13615 states and 17198 transitions.
[2020-09-25 07:48:23,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 13615 states and 17198 transitions.
[2020-09-25 07:48:23,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2020-09-25 07:48:23,381 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:23,381 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:23,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2020-09-25 07:48:23,381 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:23,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:23,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1271271512, now seen corresponding path program 1 times
[2020-09-25 07:48:23,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:23,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763681314]
[2020-09-25 07:48:23,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:23,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:23,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:23,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88
[2020-09-25 07:48:23,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:23,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56
[2020-09-25 07:48:23,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:23,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:23,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:23,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75
[2020-09-25 07:48:23,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 07:48:23,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:48:23,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:23,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:23,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:23,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:23,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:23,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:48:23,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:23,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:23,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:23,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:23,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:23,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:48:23,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:23,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763681314]
[2020-09-25 07:48:23,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:23,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:23,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507419401]
[2020-09-25 07:48:23,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:23,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:23,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:23,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:23,568 INFO L87 Difference]: Start difference. First operand 13615 states and 17198 transitions. Second operand 3 states.
[2020-09-25 07:48:23,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:23,758 INFO L93 Difference]: Finished difference Result 39987 states and 50480 transitions.
[2020-09-25 07:48:23,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:23,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81
[2020-09-25 07:48:23,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:23,814 INFO L225 Difference]: With dead ends: 39987
[2020-09-25 07:48:23,815 INFO L226 Difference]: Without dead ends: 26417
[2020-09-25 07:48:23,849 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
[2020-09-25 07:48:23,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26417 states.
[2020-09-25 07:48:25,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26417 to 26415.
[2020-09-25 07:48:25,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26415 states.
[2020-09-25 07:48:25,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26415 states to 26415 states and 32814 transitions.
[2020-09-25 07:48:25,072 INFO L78 Accepts]: Start accepts. Automaton has 26415 states and 32814 transitions. Word has length 81
[2020-09-25 07:48:25,072 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:25,072 INFO L479 AbstractCegarLoop]: Abstraction has 26415 states and 32814 transitions.
[2020-09-25 07:48:25,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 26415 states and 32814 transitions.
[2020-09-25 07:48:25,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2020-09-25 07:48:25,088 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:25,089 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:25,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2020-09-25 07:48:25,089 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:25,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:25,089 INFO L82 PathProgramCache]: Analyzing trace with hash -124338492, now seen corresponding path program 1 times
[2020-09-25 07:48:25,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:25,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917978171]
[2020-09-25 07:48:25,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:25,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:25,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:25,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89
[2020-09-25 07:48:25,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:25,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56
[2020-09-25 07:48:25,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:25,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:25,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:25,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76
[2020-09-25 07:48:25,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 07:48:25,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 07:48:25,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:25,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:25,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:25,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:25,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:25,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:48:25,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:25,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:25,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:25,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:25,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:25,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:48:25,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:25,193 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917978171]
[2020-09-25 07:48:25,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:25,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:25,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294091831]
[2020-09-25 07:48:25,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:25,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:25,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:25,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:25,200 INFO L87 Difference]: Start difference. First operand 26415 states and 32814 transitions. Second operand 3 states.
[2020-09-25 07:48:25,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:25,393 INFO L93 Difference]: Finished difference Result 30771 states and 37680 transitions.
[2020-09-25 07:48:25,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:25,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82
[2020-09-25 07:48:25,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:25,457 INFO L225 Difference]: With dead ends: 30771
[2020-09-25 07:48:25,457 INFO L226 Difference]: Without dead ends: 30769
[2020-09-25 07:48:25,471 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
[2020-09-25 07:48:25,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30769 states.
[2020-09-25 07:48:25,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30769 to 26415.
[2020-09-25 07:48:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26415 states.
[2020-09-25 07:48:26,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26415 states to 26415 states and 32558 transitions.
[2020-09-25 07:48:26,030 INFO L78 Accepts]: Start accepts. Automaton has 26415 states and 32558 transitions. Word has length 82
[2020-09-25 07:48:26,030 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:26,030 INFO L479 AbstractCegarLoop]: Abstraction has 26415 states and 32558 transitions.
[2020-09-25 07:48:26,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:26,031 INFO L276 IsEmpty]: Start isEmpty. Operand 26415 states and 32558 transitions.
[2020-09-25 07:48:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2020-09-25 07:48:26,047 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:26,047 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:26,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2020-09-25 07:48:26,047 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:26,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:26,048 INFO L82 PathProgramCache]: Analyzing trace with hash 754958110, now seen corresponding path program 1 times
[2020-09-25 07:48:26,048 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:26,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1569906430]
[2020-09-25 07:48:26,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:26,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:26,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:26,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89
[2020-09-25 07:48:26,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:26,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76
[2020-09-25 07:48:26,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:26,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:26,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:26,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76
[2020-09-25 07:48:26,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11
[2020-09-25 07:48:26,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:48:26,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:26,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:26,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:26,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:26,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:26,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:48:26,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:26,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:26,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:26,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:26,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:26,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:48:26,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:26,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1569906430]
[2020-09-25 07:48:26,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:26,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:26,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017323180]
[2020-09-25 07:48:26,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:26,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:26,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:26,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:26,165 INFO L87 Difference]: Start difference. First operand 26415 states and 32558 transitions. Second operand 3 states.
[2020-09-25 07:48:26,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:26,537 INFO L93 Difference]: Finished difference Result 77617 states and 95535 transitions.
[2020-09-25 07:48:26,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:26,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82
[2020-09-25 07:48:26,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:26,656 INFO L225 Difference]: With dead ends: 77617
[2020-09-25 07:48:26,657 INFO L226 Difference]: Without dead ends: 26415
[2020-09-25 07:48:26,727 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
[2020-09-25 07:48:26,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26415 states.
[2020-09-25 07:48:27,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26415 to 26415.
[2020-09-25 07:48:27,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26415 states.
[2020-09-25 07:48:27,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26415 states to 26415 states and 31534 transitions.
[2020-09-25 07:48:27,385 INFO L78 Accepts]: Start accepts. Automaton has 26415 states and 31534 transitions. Word has length 82
[2020-09-25 07:48:27,386 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:27,386 INFO L479 AbstractCegarLoop]: Abstraction has 26415 states and 31534 transitions.
[2020-09-25 07:48:27,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:27,386 INFO L276 IsEmpty]: Start isEmpty. Operand 26415 states and 31534 transitions.
[2020-09-25 07:48:27,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2020-09-25 07:48:27,402 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 07:48:27,402 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 07:48:27,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2020-09-25 07:48:27,403 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 07:48:27,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 07:48:27,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1778136659, now seen corresponding path program 1 times
[2020-09-25 07:48:27,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 07:48:27,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113144888]
[2020-09-25 07:48:27,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 07:48:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:27,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:27,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:27,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90
[2020-09-25 07:48:27,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:27,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54
[2020-09-25 07:48:27,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:27,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:27,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 07:48:27,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77
[2020-09-25 07:48:27,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 07:48:27,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:48:27,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 07:48:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 07:48:27,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 07:48:27,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 07:48:27,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-25 07:48:27,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 07:48:27,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-25 07:48:27,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 07:48:27,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 07:48:27,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 07:48:27,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 07:48:27,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 07:48:27,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-25 07:48:27,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 07:48:27,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113144888]
[2020-09-25 07:48:27,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 07:48:27,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 07:48:27,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553320985]
[2020-09-25 07:48:27,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 07:48:27,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 07:48:27,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 07:48:27,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 07:48:27,498 INFO L87 Difference]: Start difference. First operand 26415 states and 31534 transitions. Second operand 3 states.
[2020-09-25 07:48:27,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 07:48:27,675 INFO L93 Difference]: Finished difference Result 26415 states and 31534 transitions.
[2020-09-25 07:48:27,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 07:48:27,675 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83
[2020-09-25 07:48:27,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 07:48:27,676 INFO L225 Difference]: With dead ends: 26415
[2020-09-25 07:48:27,676 INFO L226 Difference]: Without dead ends: 0
[2020-09-25 07:48:27,701 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
[2020-09-25 07:48:27,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 07:48:27,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 07:48:27,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 07:48:27,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 07:48:27,702 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83
[2020-09-25 07:48:27,702 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 07:48:27,702 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 07:48:27,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 07:48:27,703 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 07:48:27,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 07:48:27,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2020-09-25 07:48:27,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 07:48:27,736 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-09-25 07:48:27,736 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 07:48:27,737 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 07:48:27,737 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-25 07:48:27,737 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-25 07:48:27,737 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 07:48:27,737 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 4 163) no Hoare annotation was computed.
[2020-09-25 07:48:27,737 INFO L268 CegarLoopResult]: For program point L118-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,737 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed.
[2020-09-25 07:48:27,738 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2020-09-25 07:48:27,738 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed.
[2020-09-25 07:48:27,738 INFO L268 CegarLoopResult]: For program point L102-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,738 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed.
[2020-09-25 07:48:27,738 INFO L268 CegarLoopResult]: For program point L86-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,738 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed.
[2020-09-25 07:48:27,738 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed.
[2020-09-25 07:48:27,738 INFO L268 CegarLoopResult]: For program point L70-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,739 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed.
[2020-09-25 07:48:27,739 INFO L271 CegarLoopResult]: At program point L153-1(lines 39 158) the Hoare annotation is: true
[2020-09-25 07:48:27,739 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed.
[2020-09-25 07:48:27,739 INFO L268 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed.
[2020-09-25 07:48:27,739 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed.
[2020-09-25 07:48:27,739 INFO L268 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed.
[2020-09-25 07:48:27,739 INFO L268 CegarLoopResult]: For program point L21-2(line 21) no Hoare annotation was computed.
[2020-09-25 07:48:27,739 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 4 163) no Hoare annotation was computed.
[2020-09-25 07:48:27,740 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed.
[2020-09-25 07:48:27,740 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed.
[2020-09-25 07:48:27,740 INFO L264 CegarLoopResult]: At program point L154-1(lines 5 163) the Hoare annotation is: false
[2020-09-25 07:48:27,740 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed.
[2020-09-25 07:48:27,740 INFO L268 CegarLoopResult]: For program point L138-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,740 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed.
[2020-09-25 07:48:27,740 INFO L268 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed.
[2020-09-25 07:48:27,740 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed.
[2020-09-25 07:48:27,741 INFO L268 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed.
[2020-09-25 07:48:27,741 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed.
[2020-09-25 07:48:27,741 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed.
[2020-09-25 07:48:27,741 INFO L268 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed.
[2020-09-25 07:48:27,741 INFO L268 CegarLoopResult]: For program point L40-1(line 40) no Hoare annotation was computed.
[2020-09-25 07:48:27,741 INFO L268 CegarLoopResult]: For program point L40-2(line 40) no Hoare annotation was computed.
[2020-09-25 07:48:27,741 INFO L268 CegarLoopResult]: For program point L123-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,741 INFO L268 CegarLoopResult]: For program point L90-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,741 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed.
[2020-09-25 07:48:27,742 INFO L268 CegarLoopResult]: For program point L24-1(line 24) no Hoare annotation was computed.
[2020-09-25 07:48:27,742 INFO L268 CegarLoopResult]: For program point L24-2(line 24) no Hoare annotation was computed.
[2020-09-25 07:48:27,742 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed.
[2020-09-25 07:48:27,742 INFO L268 CegarLoopResult]: For program point L41(lines 41 43) no Hoare annotation was computed.
[2020-09-25 07:48:27,742 INFO L268 CegarLoopResult]: For program point L74-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,742 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed.
[2020-09-25 07:48:27,742 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed.
[2020-09-25 07:48:27,742 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed.
[2020-09-25 07:48:27,743 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed.
[2020-09-25 07:48:27,743 INFO L268 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed.
[2020-09-25 07:48:27,743 INFO L268 CegarLoopResult]: For program point L108-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,743 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed.
[2020-09-25 07:48:27,743 INFO L268 CegarLoopResult]: For program point L9-1(line 9) no Hoare annotation was computed.
[2020-09-25 07:48:27,743 INFO L268 CegarLoopResult]: For program point L9-2(line 9) no Hoare annotation was computed.
[2020-09-25 07:48:27,743 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed.
[2020-09-25 07:48:27,743 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed.
[2020-09-25 07:48:27,744 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed.
[2020-09-25 07:48:27,744 INFO L271 CegarLoopResult]: At program point L159(lines 5 163) the Hoare annotation is: true
[2020-09-25 07:48:27,744 INFO L268 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed.
[2020-09-25 07:48:27,744 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed.
[2020-09-25 07:48:27,744 INFO L268 CegarLoopResult]: For program point L27-1(line 27) no Hoare annotation was computed.
[2020-09-25 07:48:27,744 INFO L268 CegarLoopResult]: For program point L27-2(line 27) no Hoare annotation was computed.
[2020-09-25 07:48:27,744 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed.
[2020-09-25 07:48:27,745 INFO L268 CegarLoopResult]: For program point L143-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,745 INFO L268 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed.
[2020-09-25 07:48:27,745 INFO L268 CegarLoopResult]: For program point L94-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,745 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed.
[2020-09-25 07:48:27,745 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed.
[2020-09-25 07:48:27,745 INFO L268 CegarLoopResult]: For program point L78-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,745 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed.
[2020-09-25 07:48:27,745 INFO L268 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed.
[2020-09-25 07:48:27,746 INFO L268 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed.
[2020-09-25 07:48:27,746 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed.
[2020-09-25 07:48:27,746 INFO L268 CegarLoopResult]: For program point L128-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,746 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed.
[2020-09-25 07:48:27,746 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed.
[2020-09-25 07:48:27,746 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed.
[2020-09-25 07:48:27,746 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed.
[2020-09-25 07:48:27,746 INFO L268 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed.
[2020-09-25 07:48:27,746 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed.
[2020-09-25 07:48:27,747 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed.
[2020-09-25 07:48:27,747 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 161) no Hoare annotation was computed.
[2020-09-25 07:48:27,747 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed.
[2020-09-25 07:48:27,747 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 4 163) the Hoare annotation is: true
[2020-09-25 07:48:27,747 INFO L268 CegarLoopResult]: For program point L30-1(line 30) no Hoare annotation was computed.
[2020-09-25 07:48:27,747 INFO L268 CegarLoopResult]: For program point L30-2(line 30) no Hoare annotation was computed.
[2020-09-25 07:48:27,747 INFO L268 CegarLoopResult]: For program point L113-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,748 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed.
[2020-09-25 07:48:27,748 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed.
[2020-09-25 07:48:27,748 INFO L268 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed.
[2020-09-25 07:48:27,748 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed.
[2020-09-25 07:48:27,748 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed.
[2020-09-25 07:48:27,748 INFO L268 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed.
[2020-09-25 07:48:27,748 INFO L268 CegarLoopResult]: For program point L15-2(line 15) no Hoare annotation was computed.
[2020-09-25 07:48:27,748 INFO L268 CegarLoopResult]: For program point L98-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,748 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed.
[2020-09-25 07:48:27,749 INFO L268 CegarLoopResult]: For program point L148-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,749 INFO L268 CegarLoopResult]: For program point L82-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,749 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed.
[2020-09-25 07:48:27,749 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed.
[2020-09-25 07:48:27,749 INFO L268 CegarLoopResult]: For program point L66(lines 66 68) no Hoare annotation was computed.
[2020-09-25 07:48:27,749 INFO L268 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed.
[2020-09-25 07:48:27,749 INFO L268 CegarLoopResult]: For program point L33-1(line 33) no Hoare annotation was computed.
[2020-09-25 07:48:27,749 INFO L268 CegarLoopResult]: For program point L66-2(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,750 INFO L268 CegarLoopResult]: For program point L33-2(line 33) no Hoare annotation was computed.
[2020-09-25 07:48:27,750 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed.
[2020-09-25 07:48:27,750 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed.
[2020-09-25 07:48:27,750 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed.
[2020-09-25 07:48:27,750 INFO L268 CegarLoopResult]: For program point L133-1(lines 39 158) no Hoare annotation was computed.
[2020-09-25 07:48:27,750 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed.
[2020-09-25 07:48:27,750 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed.
[2020-09-25 07:48:27,751 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed.
[2020-09-25 07:48:27,751 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed.
[2020-09-25 07:48:27,751 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed.
[2020-09-25 07:48:27,751 INFO L268 CegarLoopResult]: For program point L18-2(line 18) no Hoare annotation was computed.
[2020-09-25 07:48:27,751 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed.
[2020-09-25 07:48:27,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 07:48:27 BoogieIcfgContainer
[2020-09-25 07:48:27,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 07:48:27,769 INFO L168 Benchmark]: Toolchain (without parser) took 11191.39 ms. Allocated memory was 147.3 MB in the beginning and 668.5 MB in the end (delta: 521.1 MB). Free memory was 103.6 MB in the beginning and 230.4 MB in the end (delta: -126.8 MB). Peak memory consumption was 394.4 MB. Max. memory is 7.1 GB.
[2020-09-25 07:48:27,770 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 07:48:27,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.81 ms. Allocated memory is still 147.3 MB. Free memory was 102.9 MB in the beginning and 92.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB.
[2020-09-25 07:48:27,772 INFO L168 Benchmark]: Boogie Preprocessor took 143.36 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 92.3 MB in the beginning and 181.9 MB in the end (delta: -89.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
[2020-09-25 07:48:27,772 INFO L168 Benchmark]: RCFGBuilder took 535.14 ms. Allocated memory is still 204.5 MB. Free memory was 181.9 MB in the beginning and 157.0 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB.
[2020-09-25 07:48:27,773 INFO L168 Benchmark]: TraceAbstraction took 10147.24 ms. Allocated memory was 204.5 MB in the beginning and 668.5 MB in the end (delta: 464.0 MB). Free memory was 156.4 MB in the beginning and 230.4 MB in the end (delta: -74.0 MB). Peak memory consumption was 390.0 MB. Max. memory is 7.1 GB.
[2020-09-25 07:48:27,776 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 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 355.81 ms. Allocated memory is still 147.3 MB. Free memory was 102.9 MB in the beginning and 92.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 143.36 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 92.3 MB in the beginning and 181.9 MB in the end (delta: -89.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 535.14 ms. Allocated memory is still 204.5 MB. Free memory was 181.9 MB in the beginning and 157.0 MB in the end (delta: 24.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 10147.24 ms. Allocated memory was 204.5 MB in the beginning and 668.5 MB in the end (delta: 464.0 MB). Free memory was 156.4 MB in the beginning and 230.4 MB in the end (delta: -74.0 MB). Peak memory consumption was 390.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 161]: 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: 39]: 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, 118 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.9s, OverallIterations: 20, TraceHistogramMax: 1, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3610 SDtfs, 1318 SDslu, 2579 SDs, 0 SdLazy, 99 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26415occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 20 MinimizatonAttempts, 10599 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 1033 NumberOfFragments, 7 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1560 NumberOfCodeBlocks, 1560 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1540 ConstructedInterpolants, 0 QuantifiedInterpolants, 151100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 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...