/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1a.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 22:42:52,611 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 22:42:52,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 22:42:52,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 22:42:52,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 22:42:52,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 22:42:52,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 22:42:52,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 22:42:52,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 22:42:52,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 22:42:52,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 22:42:52,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 22:42:52,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 22:42:52,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 22:42:52,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 22:42:52,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 22:42:52,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 22:42:52,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 22:42:52,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 22:42:52,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 22:42:52,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 22:42:52,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 22:42:52,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 22:42:52,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 22:42:52,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 22:42:52,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 22:42:52,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 22:42:52,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 22:42:52,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 22:42:52,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 22:42:52,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 22:42:52,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 22:42:52,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 22:42:52,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 22:42:52,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 22:42:52,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 22:42:52,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 22:42:52,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 22:42:52,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 22:42:52,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 22:42:52,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 22:42:52,712 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-24 22:42:52,765 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 22:42:52,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 22:42:52,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 22:42:52,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 22:42:52,768 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 22:42:52,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 22:42:52,769 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 22:42:52,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 22:42:52,769 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 22:42:52,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 22:42:52,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 22:42:52,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 22:42:52,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 22:42:52,772 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 22:42:52,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 22:42:52,772 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 22:42:52,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 22:42:52,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 22:42:52,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 22:42:52,773 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 22:42:52,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 22:42:52,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 22:42:52,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 22:42:52,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 22:42:52,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 22:42:52,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 22:42:52,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 22:42:52,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 22:42:52,775 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 22:42:52,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true;
[2020-09-24 22:42:53,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 22:42:53,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 22:42:53,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 22:42:53,301 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 22:42:53,301 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 22:42:53,302 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ssh-simplified/s3_srvr_1a.cil.c
[2020-09-24 22:42:53,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/917e1c019/19622957767748cfb4f4bf59e4c767af/FLAGe1004e993
[2020-09-24 22:42:53,959 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 22:42:53,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ssh-simplified/s3_srvr_1a.cil.c
[2020-09-24 22:42:53,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/917e1c019/19622957767748cfb4f4bf59e4c767af/FLAGe1004e993
[2020-09-24 22:42:54,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/917e1c019/19622957767748cfb4f4bf59e4c767af
[2020-09-24 22:42:54,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 22:42:54,315 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 22:42:54,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 22:42:54,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 22:42:54,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 22:42:54,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:42:54" (1/1) ...
[2020-09-24 22:42:54,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aae5b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:42:54, skipping insertion in model container
[2020-09-24 22:42:54,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:42:54" (1/1) ...
[2020-09-24 22:42:54,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 22:42:54,370 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 22:42:54,619 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 22:42:54,624 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 22:42:54,653 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 22:42:54,686 INFO L208 MainTranslator]: Completed translation
[2020-09-24 22:42:54,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:42:54 WrapperNode
[2020-09-24 22:42:54,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 22:42:54,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 22:42:54,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 22:42:54,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 22:42:54,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:42:54" (1/1) ...
[2020-09-24 22:42:54,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:42:54" (1/1) ...
[2020-09-24 22:42:54,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:42:54" (1/1) ...
[2020-09-24 22:42:54,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:42:54" (1/1) ...
[2020-09-24 22:42:54,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:42:54" (1/1) ...
[2020-09-24 22:42:54,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:42:54" (1/1) ...
[2020-09-24 22:42:54,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:42:54" (1/1) ...
[2020-09-24 22:42:54,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 22:42:54,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 22:42:54,815 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 22:42:54,815 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 22:42:54,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:42:54" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 22:42:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 22:42:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 22:42:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 22:42:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 22:42:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2020-09-24 22:42:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 22:42:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long
[2020-09-24 22:42:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 22:42:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 22:42:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 22:42:55,337 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 22:42:55,337 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-24 22:42:55,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:42:55 BoogieIcfgContainer
[2020-09-24 22:42:55,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 22:42:55,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 22:42:55,344 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 22:42:55,348 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 22:42:55,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:42:54" (1/3) ...
[2020-09-24 22:42:55,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252b7b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:42:55, skipping insertion in model container
[2020-09-24 22:42:55,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:42:54" (2/3) ...
[2020-09-24 22:42:55,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252b7b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:42:55, skipping insertion in model container
[2020-09-24 22:42:55,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:42:55" (3/3) ...
[2020-09-24 22:42:55,353 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.cil.c
[2020-09-24 22:42:55,365 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 22:42:55,376 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 22:42:55,398 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 22:42:55,430 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 22:42:55,431 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 22:42:55,431 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 22:42:55,431 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 22:42:55,431 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 22:42:55,431 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 22:42:55,432 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 22:42:55,432 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 22:42:55,456 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states.
[2020-09-24 22:42:55,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2020-09-24 22:42:55,463 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:42:55,464 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 22:42:55,465 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:42:55,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:42:55,471 INFO L82 PathProgramCache]: Analyzing trace with hash 766781838, now seen corresponding path program 1 times
[2020-09-24 22:42:55,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:42:55,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [484997076]
[2020-09-24 22:42:55,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:42:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:55,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:55,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:55,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33
[2020-09-24 22:42:55,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:42:55,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81
[2020-09-24 22:42:55,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:55,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:42:55,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29
[2020-09-24 22:42:55,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-24 22:42:55,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3
[2020-09-24 22:42:55,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:42:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:55,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:55,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:55,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:42:55,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:42:55,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-24 22:42:55,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:55,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:42:55,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:42:55,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:42:55,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-24 22:42:55,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 22:42:55,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [484997076]
[2020-09-24 22:42:55,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:42:55,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:42:55,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684082489]
[2020-09-24 22:42:55,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:42:55,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:42:55,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:42:55,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:55,835 INFO L87 Difference]: Start difference. First operand 85 states. Second operand 3 states.
[2020-09-24 22:42:56,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:42:56,003 INFO L93 Difference]: Finished difference Result 198 states and 286 transitions.
[2020-09-24 22:42:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:42:56,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26
[2020-09-24 22:42:56,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:42:56,023 INFO L225 Difference]: With dead ends: 198
[2020-09-24 22:42:56,024 INFO L226 Difference]: Without dead ends: 128
[2020-09-24 22:42:56,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:56,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states.
[2020-09-24 22:42:56,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128.
[2020-09-24 22:42:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states.
[2020-09-24 22:42:56,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 171 transitions.
[2020-09-24 22:42:56,098 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 171 transitions. Word has length 26
[2020-09-24 22:42:56,098 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:42:56,099 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 171 transitions.
[2020-09-24 22:42:56,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:42:56,099 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 171 transitions.
[2020-09-24 22:42:56,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2020-09-24 22:42:56,101 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:42:56,101 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 22:42:56,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 22:42:56,102 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:42:56,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:42:56,103 INFO L82 PathProgramCache]: Analyzing trace with hash -184994456, now seen corresponding path program 1 times
[2020-09-24 22:42:56,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:42:56,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1214483617]
[2020-09-24 22:42:56,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:42:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:56,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:56,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:56,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39
[2020-09-24 22:42:56,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:42:56,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67
[2020-09-24 22:42:56,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:56,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:42:56,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34
[2020-09-24 22:42:56,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4
[2020-09-24 22:42:56,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:42:56,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:42:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:56,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:56,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:56,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:42:56,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:42:56,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 22:42:56,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:56,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:42:56,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:42:56,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:42:56,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:42:56,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 22:42:56,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1214483617]
[2020-09-24 22:42:56,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:42:56,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:42:56,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977844263]
[2020-09-24 22:42:56,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:42:56,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:42:56,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:42:56,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:56,227 INFO L87 Difference]: Start difference. First operand 128 states and 171 transitions. Second operand 3 states.
[2020-09-24 22:42:56,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:42:56,317 INFO L93 Difference]: Finished difference Result 233 states and 325 transitions.
[2020-09-24 22:42:56,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:42:56,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32
[2020-09-24 22:42:56,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:42:56,320 INFO L225 Difference]: With dead ends: 233
[2020-09-24 22:42:56,321 INFO L226 Difference]: Without dead ends: 177
[2020-09-24 22:42:56,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:56,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states.
[2020-09-24 22:42:56,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177.
[2020-09-24 22:42:56,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states.
[2020-09-24 22:42:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 240 transitions.
[2020-09-24 22:42:56,369 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 240 transitions. Word has length 32
[2020-09-24 22:42:56,370 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:42:56,370 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 240 transitions.
[2020-09-24 22:42:56,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:42:56,370 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 240 transitions.
[2020-09-24 22:42:56,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2020-09-24 22:42:56,375 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:42:56,375 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 22:42:56,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 22:42:56,376 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:42:56,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:42:56,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1532764802, now seen corresponding path program 1 times
[2020-09-24 22:42:56,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:42:56,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554315909]
[2020-09-24 22:42:56,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:42:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:56,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:56,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:56,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:56,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47
[2020-09-24 22:42:56,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 22:42:56,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174
[2020-09-24 22:42:56,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:56,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:42:56,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43
[2020-09-24 22:42:56,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-24 22:42:56,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-24 22:42:56,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:42:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:56,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:56,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:56,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:42:56,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:42:56,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 22:42:56,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:56,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:42:56,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:42:56,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:42:56,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:42:56,644 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-09-24 22:42:56,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [554315909]
[2020-09-24 22:42:56,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:42:56,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:42:56,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364867912]
[2020-09-24 22:42:56,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:42:56,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:42:56,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:42:56,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:56,648 INFO L87 Difference]: Start difference. First operand 177 states and 240 transitions. Second operand 3 states.
[2020-09-24 22:42:56,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:42:56,824 INFO L93 Difference]: Finished difference Result 375 states and 534 transitions.
[2020-09-24 22:42:56,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:42:56,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40
[2020-09-24 22:42:56,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:42:56,827 INFO L225 Difference]: With dead ends: 375
[2020-09-24 22:42:56,828 INFO L226 Difference]: Without dead ends: 221
[2020-09-24 22:42:56,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:56,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states.
[2020-09-24 22:42:56,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 213.
[2020-09-24 22:42:56,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states.
[2020-09-24 22:42:56,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 276 transitions.
[2020-09-24 22:42:56,859 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 276 transitions. Word has length 40
[2020-09-24 22:42:56,862 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:42:56,862 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 276 transitions.
[2020-09-24 22:42:56,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:42:56,863 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 276 transitions.
[2020-09-24 22:42:56,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2020-09-24 22:42:56,865 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:42:56,865 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 22:42:56,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-24 22:42:56,865 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:42:56,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:42:56,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1529904866, now seen corresponding path program 1 times
[2020-09-24 22:42:56,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:42:56,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412280425]
[2020-09-24 22:42:56,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:42:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:56,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:56,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:56,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47
[2020-09-24 22:42:56,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:42:56,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78
[2020-09-24 22:42:56,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:42:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41
[2020-09-24 22:42:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-24 22:42:56,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:42:56,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:42:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:56,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:56,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:56,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:42:56,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:42:56,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 22:42:56,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:56,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:42:56,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:42:56,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:42:56,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:42:56,999 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2020-09-24 22:42:56,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1412280425]
[2020-09-24 22:42:56,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:42:57,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:42:57,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578241129]
[2020-09-24 22:42:57,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:42:57,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:42:57,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:42:57,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:57,002 INFO L87 Difference]: Start difference. First operand 213 states and 276 transitions. Second operand 3 states.
[2020-09-24 22:42:57,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:42:57,082 INFO L93 Difference]: Finished difference Result 403 states and 535 transitions.
[2020-09-24 22:42:57,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:42:57,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40
[2020-09-24 22:42:57,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:42:57,085 INFO L225 Difference]: With dead ends: 403
[2020-09-24 22:42:57,085 INFO L226 Difference]: Without dead ends: 274
[2020-09-24 22:42:57,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:57,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states.
[2020-09-24 22:42:57,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274.
[2020-09-24 22:42:57,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states.
[2020-09-24 22:42:57,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 358 transitions.
[2020-09-24 22:42:57,109 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 358 transitions. Word has length 40
[2020-09-24 22:42:57,109 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:42:57,110 INFO L479 AbstractCegarLoop]: Abstraction has 274 states and 358 transitions.
[2020-09-24 22:42:57,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:42:57,110 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 358 transitions.
[2020-09-24 22:42:57,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2020-09-24 22:42:57,114 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:42:57,114 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 22:42:57,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-24 22:42:57,114 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:42:57,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:42:57,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1348776400, now seen corresponding path program 1 times
[2020-09-24 22:42:57,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:42:57,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589522850]
[2020-09-24 22:42:57,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:42:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:57,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:57,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:57,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77
[2020-09-24 22:42:57,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:42:57,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63
[2020-09-24 22:42:57,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:42:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58
[2020-09-24 22:42:57,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18
[2020-09-24 22:42:57,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:42:57,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:42:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:57,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:57,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:57,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:42:57,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:42:57,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 22:42:57,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:57,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:42:57,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:42:57,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:42:57,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:42:57,237 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2020-09-24 22:42:57,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589522850]
[2020-09-24 22:42:57,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:42:57,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:42:57,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988423559]
[2020-09-24 22:42:57,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:42:57,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:42:57,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:42:57,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:57,240 INFO L87 Difference]: Start difference. First operand 274 states and 358 transitions. Second operand 3 states.
[2020-09-24 22:42:57,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:42:57,306 INFO L93 Difference]: Finished difference Result 527 states and 700 transitions.
[2020-09-24 22:42:57,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:42:57,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70
[2020-09-24 22:42:57,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:42:57,309 INFO L225 Difference]: With dead ends: 527
[2020-09-24 22:42:57,310 INFO L226 Difference]: Without dead ends: 337
[2020-09-24 22:42:57,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:57,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states.
[2020-09-24 22:42:57,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335.
[2020-09-24 22:42:57,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states.
[2020-09-24 22:42:57,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 442 transitions.
[2020-09-24 22:42:57,332 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 442 transitions. Word has length 70
[2020-09-24 22:42:57,333 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:42:57,333 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 442 transitions.
[2020-09-24 22:42:57,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:42:57,333 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 442 transitions.
[2020-09-24 22:42:57,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2020-09-24 22:42:57,337 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:42:57,337 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 22:42:57,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-24 22:42:57,337 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:42:57,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:42:57,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1264034378, now seen corresponding path program 1 times
[2020-09-24 22:42:57,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:42:57,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895335286]
[2020-09-24 22:42:57,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:42:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:57,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:57,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:57,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81
[2020-09-24 22:42:57,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:42:57,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63
[2020-09-24 22:42:57,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:57,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:42:57,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77
[2020-09-24 22:42:57,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-24 22:42:57,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:42:57,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:42:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:57,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:57,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:57,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:42:57,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:42:57,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 22:42:57,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:57,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:42:57,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:42:57,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:42:57,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:42:57,455 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2020-09-24 22:42:57,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895335286]
[2020-09-24 22:42:57,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:42:57,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:42:57,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155493123]
[2020-09-24 22:42:57,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:42:57,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:42:57,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:42:57,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:57,458 INFO L87 Difference]: Start difference. First operand 335 states and 442 transitions. Second operand 3 states.
[2020-09-24 22:42:57,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:42:57,587 INFO L93 Difference]: Finished difference Result 637 states and 866 transitions.
[2020-09-24 22:42:57,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:42:57,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74
[2020-09-24 22:42:57,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:42:57,590 INFO L225 Difference]: With dead ends: 637
[2020-09-24 22:42:57,590 INFO L226 Difference]: Without dead ends: 243
[2020-09-24 22:42:57,592 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:57,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states.
[2020-09-24 22:42:57,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 240.
[2020-09-24 22:42:57,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states.
[2020-09-24 22:42:57,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 299 transitions.
[2020-09-24 22:42:57,605 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 299 transitions. Word has length 74
[2020-09-24 22:42:57,605 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:42:57,605 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 299 transitions.
[2020-09-24 22:42:57,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:42:57,606 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 299 transitions.
[2020-09-24 22:42:57,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2020-09-24 22:42:57,609 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:42:57,609 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 22:42:57,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-24 22:42:57,610 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:42:57,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:42:57,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1725408203, now seen corresponding path program 1 times
[2020-09-24 22:42:57,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:42:57,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020069877]
[2020-09-24 22:42:57,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:42:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:57,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:57,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:57,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:57,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:57,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:57,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:58,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:58,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111
[2020-09-24 22:42:58,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6
[2020-09-24 22:42:58,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410
[2020-09-24 22:42:58,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:42:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93
[2020-09-24 22:42:58,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-24 22:42:58,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:42:58,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:42:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:58,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:58,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:58,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:42:58,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:42:58,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 22:42:58,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:58,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:42:58,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:42:58,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:42:58,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:42:58,091 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked.
[2020-09-24 22:42:58,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020069877]
[2020-09-24 22:42:58,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:42:58,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:42:58,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650676400]
[2020-09-24 22:42:58,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:42:58,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:42:58,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:42:58,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:58,094 INFO L87 Difference]: Start difference. First operand 240 states and 299 transitions. Second operand 3 states.
[2020-09-24 22:42:58,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:42:58,182 INFO L93 Difference]: Finished difference Result 392 states and 466 transitions.
[2020-09-24 22:42:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:42:58,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104
[2020-09-24 22:42:58,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:42:58,185 INFO L225 Difference]: With dead ends: 392
[2020-09-24 22:42:58,185 INFO L226 Difference]: Without dead ends: 279
[2020-09-24 22:42:58,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:58,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states.
[2020-09-24 22:42:58,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279.
[2020-09-24 22:42:58,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states.
[2020-09-24 22:42:58,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 338 transitions.
[2020-09-24 22:42:58,198 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 338 transitions. Word has length 104
[2020-09-24 22:42:58,198 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:42:58,198 INFO L479 AbstractCegarLoop]: Abstraction has 279 states and 338 transitions.
[2020-09-24 22:42:58,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:42:58,199 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 338 transitions.
[2020-09-24 22:42:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2020-09-24 22:42:58,200 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:42:58,200 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 22:42:58,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-24 22:42:58,201 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:42:58,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:42:58,201 INFO L82 PathProgramCache]: Analyzing trace with hash 76930614, now seen corresponding path program 1 times
[2020-09-24 22:42:58,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:42:58,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460973352]
[2020-09-24 22:42:58,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:42:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:58,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:58,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:58,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:58,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:58,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:58,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126
[2020-09-24 22:42:58,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-24 22:42:58,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228
[2020-09-24 22:42:58,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:58,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:42:58,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91
[2020-09-24 22:42:58,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34
[2020-09-24 22:42:58,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:42:58,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:42:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:58,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:58,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:58,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:42:58,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:42:58,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 22:42:58,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:58,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:42:58,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:42:58,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:42:58,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:42:58,497 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked.
[2020-09-24 22:42:58,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [460973352]
[2020-09-24 22:42:58,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:42:58,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:42:58,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319674970]
[2020-09-24 22:42:58,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:42:58,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:42:58,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:42:58,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:58,500 INFO L87 Difference]: Start difference. First operand 279 states and 338 transitions. Second operand 3 states.
[2020-09-24 22:42:58,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:42:58,564 INFO L93 Difference]: Finished difference Result 329 states and 393 transitions.
[2020-09-24 22:42:58,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:42:58,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119
[2020-09-24 22:42:58,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:42:58,567 INFO L225 Difference]: With dead ends: 329
[2020-09-24 22:42:58,567 INFO L226 Difference]: Without dead ends: 327
[2020-09-24 22:42:58,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:58,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states.
[2020-09-24 22:42:58,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327.
[2020-09-24 22:42:58,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states.
[2020-09-24 22:42:58,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 391 transitions.
[2020-09-24 22:42:58,582 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 391 transitions. Word has length 119
[2020-09-24 22:42:58,583 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:42:58,583 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 391 transitions.
[2020-09-24 22:42:58,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:42:58,583 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 391 transitions.
[2020-09-24 22:42:58,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153
[2020-09-24 22:42:58,584 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:42:58,585 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 22:42:58,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-09-24 22:42:58,585 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:42:58,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:42:58,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1471390574, now seen corresponding path program 1 times
[2020-09-24 22:42:58,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:42:58,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1016547054]
[2020-09-24 22:42:58,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:42:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:58,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:58,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:58,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:58,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:58,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:59,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:59,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159
[2020-09-24 22:42:59,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-24 22:42:59,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 488
[2020-09-24 22:42:59,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:59,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:42:59,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126
[2020-09-24 22:42:59,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-24 22:42:59,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:42:59,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:42:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:59,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:59,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:59,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:42:59,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:42:59,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 22:42:59,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:59,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:42:59,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:42:59,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:42:59,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:42:59,144 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked.
[2020-09-24 22:42:59,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1016547054]
[2020-09-24 22:42:59,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:42:59,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:42:59,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182836507]
[2020-09-24 22:42:59,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:42:59,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:42:59,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:42:59,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:59,147 INFO L87 Difference]: Start difference. First operand 327 states and 391 transitions. Second operand 3 states.
[2020-09-24 22:42:59,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:42:59,228 INFO L93 Difference]: Finished difference Result 528 states and 609 transitions.
[2020-09-24 22:42:59,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:42:59,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152
[2020-09-24 22:42:59,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:42:59,231 INFO L225 Difference]: With dead ends: 528
[2020-09-24 22:42:59,231 INFO L226 Difference]: Without dead ends: 327
[2020-09-24 22:42:59,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:59,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states.
[2020-09-24 22:42:59,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327.
[2020-09-24 22:42:59,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states.
[2020-09-24 22:42:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 387 transitions.
[2020-09-24 22:42:59,246 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 387 transitions. Word has length 152
[2020-09-24 22:42:59,246 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:42:59,246 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 387 transitions.
[2020-09-24 22:42:59,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:42:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 387 transitions.
[2020-09-24 22:42:59,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168
[2020-09-24 22:42:59,248 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:42:59,249 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 22:42:59,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-09-24 22:42:59,249 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:42:59,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:42:59,249 INFO L82 PathProgramCache]: Analyzing trace with hash 561118932, now seen corresponding path program 1 times
[2020-09-24 22:42:59,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:42:59,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711732463]
[2020-09-24 22:42:59,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:42:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:59,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:59,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:59,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:59,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:59,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:59,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:59,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:59,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174
[2020-09-24 22:42:59,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6
[2020-09-24 22:42:59,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 448
[2020-09-24 22:42:59,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:59,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:42:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125
[2020-09-24 22:42:59,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-24 22:42:59,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:42:59,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:42:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:42:59,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:42:59,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:42:59,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 22:42:59,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:42:59,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 22:42:59,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:42:59,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:42:59,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:42:59,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:42:59,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:42:59,793 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked.
[2020-09-24 22:42:59,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711732463]
[2020-09-24 22:42:59,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:42:59,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:42:59,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116631491]
[2020-09-24 22:42:59,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:42:59,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:42:59,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:42:59,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:59,796 INFO L87 Difference]: Start difference. First operand 327 states and 387 transitions. Second operand 3 states.
[2020-09-24 22:42:59,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:42:59,817 INFO L93 Difference]: Finished difference Result 478 states and 547 transitions.
[2020-09-24 22:42:59,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:42:59,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167
[2020-09-24 22:42:59,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:42:59,818 INFO L225 Difference]: With dead ends: 478
[2020-09-24 22:42:59,818 INFO L226 Difference]: Without dead ends: 0
[2020-09-24 22:42:59,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:42:59,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-24 22:42:59,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-24 22:42:59,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-24 22:42:59,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-24 22:42:59,820 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167
[2020-09-24 22:42:59,820 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:42:59,820 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-24 22:42:59,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:42:59,821 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-24 22:42:59,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-24 22:42:59,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-09-24 22:42:59,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-24 22:43:00,301 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-09-24 22:43:00,302 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 22:43:00,302 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 22:43:00,302 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-24 22:43:00,302 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-24 22:43:00,303 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-24 22:43:00,303 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 8 217) no Hoare annotation was computed.
[2020-09-24 22:43:00,303 INFO L268 CegarLoopResult]: For program point L151-1(lines 74 183) no Hoare annotation was computed.
[2020-09-24 22:43:00,303 INFO L268 CegarLoopResult]: For program point L52(lines 52 193) no Hoare annotation was computed.
[2020-09-24 22:43:00,304 INFO L268 CegarLoopResult]: For program point L85-1(lines 74 183) no Hoare annotation was computed.
[2020-09-24 22:43:00,304 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2020-09-24 22:43:00,304 INFO L268 CegarLoopResult]: For program point L135(lines 135 139) no Hoare annotation was computed.
[2020-09-24 22:43:00,304 INFO L264 CegarLoopResult]: At program point L69(lines 68 185) the Hoare annotation is: (let ((.cse0 (<= 8656 main_~s__state~0))) (or (and (<= main_~blastFlag~0 3) (<= main_~s__state~0 8656) .cse0) (and (<= main_~blastFlag~0 1) .cse0)))
[2020-09-24 22:43:00,305 INFO L268 CegarLoopResult]: For program point L36(lines 36 201) no Hoare annotation was computed.
[2020-09-24 22:43:00,305 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed.
[2020-09-24 22:43:00,305 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed.
[2020-09-24 22:43:00,305 INFO L264 CegarLoopResult]: At program point L53(lines 52 193) the Hoare annotation is: (and (<= main_~blastFlag~0 2) (<= main_~s__state~0 8640))
[2020-09-24 22:43:00,306 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed.
[2020-09-24 22:43:00,306 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed.
[2020-09-24 22:43:00,306 INFO L268 CegarLoopResult]: For program point L169-1(lines 74 183) no Hoare annotation was computed.
[2020-09-24 22:43:00,307 INFO L264 CegarLoopResult]: At program point L37(lines 36 201) the Hoare annotation is: (and (<= main_~blastFlag~0 2) (<= main_~s__state~0 8640))
[2020-09-24 22:43:00,307 INFO L264 CegarLoopResult]: At program point L120(lines 113 122) the Hoare annotation is: (and (<= main_~blastFlag~0 2) (<= main_~s__state~0 8640))
[2020-09-24 22:43:00,307 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 8 217) no Hoare annotation was computed.
[2020-09-24 22:43:00,307 INFO L268 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed.
[2020-09-24 22:43:00,308 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed.
[2020-09-24 22:43:00,308 INFO L268 CegarLoopResult]: For program point L105(lines 105 123) no Hoare annotation was computed.
[2020-09-24 22:43:00,308 INFO L268 CegarLoopResult]: For program point L72(lines 72 183) no Hoare annotation was computed.
[2020-09-24 22:43:00,309 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed.
[2020-09-24 22:43:00,310 INFO L268 CegarLoopResult]: For program point L56(lines 56 191) no Hoare annotation was computed.
[2020-09-24 22:43:00,310 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed.
[2020-09-24 22:43:00,310 INFO L268 CegarLoopResult]: For program point L172(lines 172 174) no Hoare annotation was computed.
[2020-09-24 22:43:00,310 INFO L268 CegarLoopResult]: For program point L106(lines 106 110) no Hoare annotation was computed.
[2020-09-24 22:43:00,311 INFO L264 CegarLoopResult]: At program point L73(lines 72 183) the Hoare annotation is: (and (<= main_~blastFlag~0 3) (<= 8656 main_~s__state~0))
[2020-09-24 22:43:00,311 INFO L268 CegarLoopResult]: For program point L40(lines 40 199) no Hoare annotation was computed.
[2020-09-24 22:43:00,311 INFO L264 CegarLoopResult]: At program point L57(lines 56 191) the Hoare annotation is: (and (<= main_~blastFlag~0 2) (<= main_~s__state~0 8640))
[2020-09-24 22:43:00,311 INFO L264 CegarLoopResult]: At program point L173(lines 8 217) the Hoare annotation is: false
[2020-09-24 22:43:00,312 INFO L268 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed.
[2020-09-24 22:43:00,314 INFO L264 CegarLoopResult]: At program point L41(lines 40 199) the Hoare annotation is: (and (<= main_~blastFlag~0 2) (<= main_~s__state~0 8640))
[2020-09-24 22:43:00,314 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed.
[2020-09-24 22:43:00,315 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed.
[2020-09-24 22:43:00,316 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed.
[2020-09-24 22:43:00,316 INFO L268 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed.
[2020-09-24 22:43:00,316 INFO L268 CegarLoopResult]: For program point L10-1(line 10) no Hoare annotation was computed.
[2020-09-24 22:43:00,316 INFO L268 CegarLoopResult]: For program point L10-2(line 10) no Hoare annotation was computed.
[2020-09-24 22:43:00,317 INFO L268 CegarLoopResult]: For program point L60(lines 60 189) no Hoare annotation was computed.
[2020-09-24 22:43:00,317 INFO L264 CegarLoopResult]: At program point L176(lines 22 211) the Hoare annotation is: (let ((.cse0 (<= main_~blastFlag~0 3)) (.cse1 (<= main_~s__state~0 8640))) (or (and .cse0 (<= 8656 main_~s__state~0)) (and (<= 8640 main_~s__state~0) .cse0 (not (= main_~s__hit~0 0)) .cse1) (and (<= main_~blastFlag~0 2) .cse1) (<= main_~blastFlag~0 1)))
[2020-09-24 22:43:00,317 INFO L268 CegarLoopResult]: For program point L44(lines 44 197) no Hoare annotation was computed.
[2020-09-24 22:43:00,318 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed.
[2020-09-24 22:43:00,318 INFO L268 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed.
[2020-09-24 22:43:00,318 INFO L268 CegarLoopResult]: For program point L11-2(line 11) no Hoare annotation was computed.
[2020-09-24 22:43:00,318 INFO L264 CegarLoopResult]: At program point L61(lines 60 189) the Hoare annotation is: (or (and (<= main_~blastFlag~0 2) (<= main_~s__state~0 8640)) (<= main_~blastFlag~0 1))
[2020-09-24 22:43:00,319 INFO L268 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed.
[2020-09-24 22:43:00,319 INFO L264 CegarLoopResult]: At program point L45(lines 44 197) the Hoare annotation is: (and (<= main_~blastFlag~0 2) (<= main_~s__state~0 8640))
[2020-09-24 22:43:00,319 INFO L268 CegarLoopResult]: For program point L78-1(lines 78 80) no Hoare annotation was computed.
[2020-09-24 22:43:00,320 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed.
[2020-09-24 22:43:00,320 INFO L268 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed.
[2020-09-24 22:43:00,320 INFO L268 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed.
[2020-09-24 22:43:00,320 INFO L268 CegarLoopResult]: For program point L29(lines 29 204) no Hoare annotation was computed.
[2020-09-24 22:43:00,321 INFO L264 CegarLoopResult]: At program point L112(lines 105 123) the Hoare annotation is: (and (<= main_~blastFlag~0 2) (<= main_~s__state~0 8640))
[2020-09-24 22:43:00,321 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed.
[2020-09-24 22:43:00,321 INFO L268 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed.
[2020-09-24 22:43:00,321 INFO L268 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed.
[2020-09-24 22:43:00,322 INFO L268 CegarLoopResult]: For program point L13-2(line 13) no Hoare annotation was computed.
[2020-09-24 22:43:00,322 INFO L268 CegarLoopResult]: For program point L162-1(lines 162 164) no Hoare annotation was computed.
[2020-09-24 22:43:00,322 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 215) no Hoare annotation was computed.
[2020-09-24 22:43:00,323 INFO L264 CegarLoopResult]: At program point L30(lines 29 204) the Hoare annotation is: (and (<= main_~blastFlag~0 2) (<= main_~s__state~0 8640))
[2020-09-24 22:43:00,323 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 8 217) the Hoare annotation is: true
[2020-09-24 22:43:00,323 INFO L268 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed.
[2020-09-24 22:43:00,325 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed.
[2020-09-24 22:43:00,325 INFO L268 CegarLoopResult]: For program point L64(lines 64 187) no Hoare annotation was computed.
[2020-09-24 22:43:00,325 INFO L271 CegarLoopResult]: At program point L213(lines 8 217) the Hoare annotation is: true
[2020-09-24 22:43:00,326 INFO L268 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed.
[2020-09-24 22:43:00,326 INFO L268 CegarLoopResult]: For program point L48(lines 48 195) no Hoare annotation was computed.
[2020-09-24 22:43:00,327 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed.
[2020-09-24 22:43:00,329 INFO L264 CegarLoopResult]: At program point L65(lines 64 187) the Hoare annotation is: (let ((.cse1 (<= main_~s__state~0 8640)) (.cse0 (<= 8640 main_~s__state~0))) (or (and .cse0 (<= main_~blastFlag~0 3) (not (= main_~s__hit~0 0)) .cse1) (and .cse0 (<= main_~blastFlag~0 2) .cse1) (and .cse0 (<= main_~blastFlag~0 1))))
[2020-09-24 22:43:00,329 INFO L268 CegarLoopResult]: For program point L32(lines 32 203) no Hoare annotation was computed.
[2020-09-24 22:43:00,333 INFO L264 CegarLoopResult]: At program point L49(lines 48 195) the Hoare annotation is: (and (<= main_~blastFlag~0 2) (<= main_~s__state~0 8640))
[2020-09-24 22:43:00,333 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed.
[2020-09-24 22:43:00,334 INFO L264 CegarLoopResult]: At program point L33(lines 32 203) the Hoare annotation is: (and (<= main_~blastFlag~0 2) (<= main_~s__state~0 8640))
[2020-09-24 22:43:00,334 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed.
[2020-09-24 22:43:00,334 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed.
[2020-09-24 22:43:00,334 INFO L268 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed.
[2020-09-24 22:43:00,335 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed.
[2020-09-24 22:43:00,335 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed.
[2020-09-24 22:43:00,335 INFO L268 CegarLoopResult]: For program point L68(lines 68 185) no Hoare annotation was computed.
[2020-09-24 22:43:00,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 10:43:00 BoogieIcfgContainer
[2020-09-24 22:43:00,373 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 22:43:00,377 INFO L168 Benchmark]: Toolchain (without parser) took 6065.00 ms. Allocated memory was 138.9 MB in the beginning and 293.1 MB in the end (delta: 154.1 MB). Free memory was 102.4 MB in the beginning and 105.4 MB in the end (delta: -3.0 MB). Peak memory consumption was 151.1 MB. Max. memory is 7.1 GB.
[2020-09-24 22:43:00,378 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-24 22:43:00,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.15 ms. Allocated memory is still 138.9 MB. Free memory was 101.8 MB in the beginning and 90.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB.
[2020-09-24 22:43:00,380 INFO L168 Benchmark]: Boogie Preprocessor took 126.89 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 90.7 MB in the beginning and 178.7 MB in the end (delta: -88.0 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB.
[2020-09-24 22:43:00,381 INFO L168 Benchmark]: RCFGBuilder took 527.64 ms. Allocated memory is still 200.8 MB. Free memory was 178.7 MB in the beginning and 156.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB.
[2020-09-24 22:43:00,382 INFO L168 Benchmark]: TraceAbstraction took 5029.52 ms. Allocated memory was 200.8 MB in the beginning and 293.1 MB in the end (delta: 92.3 MB). Free memory was 156.0 MB in the beginning and 105.4 MB in the end (delta: 50.6 MB). Peak memory consumption was 142.9 MB. Max. memory is 7.1 GB.
[2020-09-24 22:43:00,386 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 371.15 ms. Allocated memory is still 138.9 MB. Free memory was 101.8 MB in the beginning and 90.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 126.89 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 90.7 MB in the beginning and 178.7 MB in the end (delta: -88.0 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 527.64 ms. Allocated memory is still 200.8 MB. Free memory was 178.7 MB in the beginning and 156.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 5029.52 ms. Allocated memory was 200.8 MB in the beginning and 293.1 MB in the end (delta: 92.3 MB). Free memory was 156.0 MB in the beginning and 105.4 MB in the end (delta: 50.6 MB). Peak memory consumption was 142.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 215]: 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: 32]: Loop Invariant
Derived loop invariant: blastFlag <= 2 && s__state <= 8640
- InvariantResult [Line: 64]: Loop Invariant
Derived loop invariant: ((((8640 <= s__state && blastFlag <= 3) && !(s__hit == 0)) && s__state <= 8640) || ((8640 <= s__state && blastFlag <= 2) && s__state <= 8640)) || (8640 <= s__state && blastFlag <= 1)
- InvariantResult [Line: 8]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 44]: Loop Invariant
Derived loop invariant: blastFlag <= 2 && s__state <= 8640
- InvariantResult [Line: 113]: Loop Invariant
Derived loop invariant: blastFlag <= 2 && s__state <= 8640
- InvariantResult [Line: 56]: Loop Invariant
Derived loop invariant: blastFlag <= 2 && s__state <= 8640
- InvariantResult [Line: 36]: Loop Invariant
Derived loop invariant: blastFlag <= 2 && s__state <= 8640
- InvariantResult [Line: 68]: Loop Invariant
Derived loop invariant: ((blastFlag <= 3 && s__state <= 8656) && 8656 <= s__state) || (blastFlag <= 1 && 8656 <= s__state)
- InvariantResult [Line: 105]: Loop Invariant
Derived loop invariant: blastFlag <= 2 && s__state <= 8640
- InvariantResult [Line: 22]: Loop Invariant
Derived loop invariant: (((blastFlag <= 3 && 8656 <= s__state) || (((8640 <= s__state && blastFlag <= 3) && !(s__hit == 0)) && s__state <= 8640)) || (blastFlag <= 2 && s__state <= 8640)) || blastFlag <= 1
- InvariantResult [Line: 48]: Loop Invariant
Derived loop invariant: blastFlag <= 2 && s__state <= 8640
- InvariantResult [Line: 60]: Loop Invariant
Derived loop invariant: (blastFlag <= 2 && s__state <= 8640) || blastFlag <= 1
- InvariantResult [Line: 29]: Loop Invariant
Derived loop invariant: blastFlag <= 2 && s__state <= 8640
- InvariantResult [Line: 40]: Loop Invariant
Derived loop invariant: blastFlag <= 2 && s__state <= 8640
- InvariantResult [Line: 72]: Loop Invariant
Derived loop invariant: blastFlag <= 3 && 8656 <= s__state
- InvariantResult [Line: 8]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 52]: Loop Invariant
Derived loop invariant: blastFlag <= 2 && s__state <= 8640
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 10, TraceHistogramMax: 10, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 949 SDtfs, 456 SDslu, 620 SDs, 0 SdLazy, 307 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=335occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 21 PreInvPairs, 89 NumberOfFragments, 176 HoareAnnotationTreeSize, 21 FomulaSimplifications, 854 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 21 FomulaSimplificationsInter, 196 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 824 NumberOfCodeBlocks, 824 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 814 ConstructedInterpolants, 0 QuantifiedInterpolants, 115068 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 1124/1124 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...