/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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 16:10:52,146 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 16:10:52,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 16:10:52,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 16:10:52,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 16:10:52,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 16:10:52,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 16:10:52,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 16:10:52,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 16:10:52,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 16:10:52,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 16:10:52,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 16:10:52,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 16:10:52,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 16:10:52,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 16:10:52,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 16:10:52,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 16:10:52,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 16:10:52,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 16:10:52,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 16:10:52,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 16:10:52,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 16:10:52,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 16:10:52,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 16:10:52,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 16:10:52,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 16:10:52,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 16:10:52,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 16:10:52,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 16:10:52,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 16:10:52,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 16:10:52,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 16:10:52,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 16:10:52,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 16:10:52,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 16:10:52,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 16:10:52,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 16:10:52,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 16:10:52,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 16:10:52,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 16:10:52,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 16:10:52,274 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 16:10:52,317 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 16:10:52,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 16:10:52,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 16:10:52,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 16:10:52,320 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 16:10:52,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 16:10:52,321 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 16:10:52,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 16:10:52,321 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 16:10:52,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 16:10:52,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 16:10:52,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 16:10:52,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 16:10:52,324 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 16:10:52,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 16:10:52,324 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 16:10:52,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 16:10:52,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 16:10:52,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 16:10:52,325 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 16:10:52,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 16:10:52,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 16:10:52,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 16:10:52,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 16:10:52,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 16:10:52,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 16:10:52,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 16:10:52,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 16:10:52,327 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 16:10:52,327 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true;
[2020-09-24 16:10:52,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 16:10:52,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 16:10:52,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 16:10:52,810 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 16:10:52,812 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 16:10:52,813 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i
[2020-09-24 16:10:52,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b96e13a92/6f394d0222134cc18a3242a9745d7565/FLAG1a6564f9c
[2020-09-24 16:10:53,455 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 16:10:53,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i
[2020-09-24 16:10:53,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b96e13a92/6f394d0222134cc18a3242a9745d7565/FLAG1a6564f9c
[2020-09-24 16:10:53,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b96e13a92/6f394d0222134cc18a3242a9745d7565
[2020-09-24 16:10:53,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 16:10:53,826 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 16:10:53,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 16:10:53,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 16:10:53,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 16:10:53,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:10:53" (1/1) ...
[2020-09-24 16:10:53,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d494263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:53, skipping insertion in model container
[2020-09-24 16:10:53,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:10:53" (1/1) ...
[2020-09-24 16:10:53,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 16:10:53,870 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 16:10:54,090 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:10:54,097 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 16:10:54,124 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:10:54,141 INFO L208 MainTranslator]: Completed translation
[2020-09-24 16:10:54,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:54 WrapperNode
[2020-09-24 16:10:54,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 16:10:54,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 16:10:54,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 16:10:54,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 16:10:54,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:54" (1/1) ...
[2020-09-24 16:10:54,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:54" (1/1) ...
[2020-09-24 16:10:54,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:54" (1/1) ...
[2020-09-24 16:10:54,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:54" (1/1) ...
[2020-09-24 16:10:54,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:54" (1/1) ...
[2020-09-24 16:10:54,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:54" (1/1) ...
[2020-09-24 16:10:54,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:54" (1/1) ...
[2020-09-24 16:10:54,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 16:10:54,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 16:10:54,285 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 16:10:54,285 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 16:10:54,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:54" (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 16:10:54,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 16:10:54,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 16:10:54,366 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-24 16:10:54,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-24 16:10:54,366 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 16:10:54,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 16:10:54,367 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-24 16:10:54,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-24 16:10:54,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-24 16:10:54,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 16:10:54,368 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 16:10:54,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 16:10:54,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 16:10:54,784 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 16:10:54,784 INFO L295 CfgBuilder]: Removed 2 assume(true) statements.
[2020-09-24 16:10:54,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:10:54 BoogieIcfgContainer
[2020-09-24 16:10:54,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 16:10:54,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 16:10:54,792 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 16:10:54,795 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 16:10:54,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:10:53" (1/3) ...
[2020-09-24 16:10:54,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f949846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:10:54, skipping insertion in model container
[2020-09-24 16:10:54,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:54" (2/3) ...
[2020-09-24 16:10:54,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f949846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:10:54, skipping insertion in model container
[2020-09-24 16:10:54,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:10:54" (3/3) ...
[2020-09-24 16:10:54,800 INFO L109 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i
[2020-09-24 16:10:54,809 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 16:10:54,820 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 16:10:54,842 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 16:10:54,874 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 16:10:54,874 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 16:10:54,875 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 16:10:54,875 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 16:10:54,875 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 16:10:54,875 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 16:10:54,875 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 16:10:54,875 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 16:10:54,898 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states.
[2020-09-24 16:10:54,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2020-09-24 16:10:54,906 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:10:54,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:10:54,908 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:10:54,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:10:54,914 INFO L82 PathProgramCache]: Analyzing trace with hash 60896664, now seen corresponding path program 1 times
[2020-09-24 16:10:54,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:10:54,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1270256907]
[2020-09-24 16:10:54,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:10:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:55,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:55,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:55,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:55,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:55,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39
[2020-09-24 16:10:55,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:55,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42
[2020-09-24 16:10:55,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:55,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-24 16:10:55,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31
[2020-09-24 16:10:55,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7
[2020-09-24 16:10:55,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:10:55,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:10:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:55,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:55,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:55,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:55,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:55,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:10:55,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:55,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:10:55,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:55,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:55,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:55,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:55,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:10:55,250 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 16:10:55,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1270256907]
[2020-09-24 16:10:55,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:10:55,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-24 16:10:55,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036708308]
[2020-09-24 16:10:55,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-24 16:10:55,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:10:55,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-24 16:10:55,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-24 16:10:55,285 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 6 states.
[2020-09-24 16:10:55,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:10:55,693 INFO L93 Difference]: Finished difference Result 178 states and 273 transitions.
[2020-09-24 16:10:55,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 16:10:55,695 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30
[2020-09-24 16:10:55,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:10:55,712 INFO L225 Difference]: With dead ends: 178
[2020-09-24 16:10:55,713 INFO L226 Difference]: Without dead ends: 103
[2020-09-24 16:10:55,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-09-24 16:10:55,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states.
[2020-09-24 16:10:55,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 93.
[2020-09-24 16:10:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states.
[2020-09-24 16:10:55,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 116 transitions.
[2020-09-24 16:10:55,795 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 116 transitions. Word has length 30
[2020-09-24 16:10:55,796 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:10:55,796 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 116 transitions.
[2020-09-24 16:10:55,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-24 16:10:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 116 transitions.
[2020-09-24 16:10:55,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-09-24 16:10:55,799 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:10:55,799 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, 1, 1, 1]
[2020-09-24 16:10:55,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 16:10:55,800 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:10:55,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:10:55,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1464371663, now seen corresponding path program 1 times
[2020-09-24 16:10:55,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:10:55,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116532160]
[2020-09-24 16:10:55,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:10:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:55,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:55,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:55,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:55,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:55,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46
[2020-09-24 16:10:55,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:55,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22
[2020-09-24 16:10:55,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:55,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-24 16:10:55,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30
[2020-09-24 16:10:55,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-24 16:10:55,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:10:55,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:10:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:55,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:55,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:55,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:55,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:55,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:10:55,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:55,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-24 16:10:55,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:55,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:55,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-24 16:10:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:55,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:55,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:55,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:55,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:56,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:10:56,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:56,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:56,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:56,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:10:56,023 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 16:10:56,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1116532160]
[2020-09-24 16:10:56,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:10:56,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-24 16:10:56,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582850939]
[2020-09-24 16:10:56,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-24 16:10:56,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:10:56,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-24 16:10:56,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-24 16:10:56,031 INFO L87 Difference]: Start difference. First operand 93 states and 116 transitions. Second operand 7 states.
[2020-09-24 16:10:56,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:10:56,273 INFO L93 Difference]: Finished difference Result 99 states and 121 transitions.
[2020-09-24 16:10:56,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-09-24 16:10:56,273 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35
[2020-09-24 16:10:56,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:10:56,278 INFO L225 Difference]: With dead ends: 99
[2020-09-24 16:10:56,278 INFO L226 Difference]: Without dead ends: 97
[2020-09-24 16:10:56,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2020-09-24 16:10:56,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states.
[2020-09-24 16:10:56,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97.
[2020-09-24 16:10:56,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states.
[2020-09-24 16:10:56,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 119 transitions.
[2020-09-24 16:10:56,298 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 119 transitions. Word has length 35
[2020-09-24 16:10:56,299 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:10:56,299 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 119 transitions.
[2020-09-24 16:10:56,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-24 16:10:56,299 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions.
[2020-09-24 16:10:56,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2020-09-24 16:10:56,302 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:10:56,302 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:10:56,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 16:10:56,302 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:10:56,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:10:56,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1188311592, now seen corresponding path program 1 times
[2020-09-24 16:10:56,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:10:56,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [83545984]
[2020-09-24 16:10:56,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:10:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86
[2020-09-24 16:10:56,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-24 16:10:56,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:56,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64
[2020-09-24 16:10:56,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-24 16:10:56,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:56,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:10:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:10:56,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:56,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:56,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:56,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-24 16:10:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:56,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:56,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:56,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:56,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2020-09-24 16:10:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:56,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:56,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:56,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:56,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:56,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:56,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-09-24 16:10:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:56,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:56,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:56,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:56,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:56,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:56,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-09-24 16:10:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:56,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:56,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:56,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:56,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:56,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:56,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2020-09-24 16:10:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:56,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:10:56,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:56,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:56,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:56,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:56,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55
[2020-09-24 16:10:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:56,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:10:56,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:56,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2020-09-24 16:10:56,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [83545984]
[2020-09-24 16:10:56,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:10:56,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:10:56,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046063334]
[2020-09-24 16:10:56,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:10:56,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:10:56,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:10:56,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:10:56,491 INFO L87 Difference]: Start difference. First operand 97 states and 119 transitions. Second operand 3 states.
[2020-09-24 16:10:56,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:10:56,536 INFO L93 Difference]: Finished difference Result 140 states and 173 transitions.
[2020-09-24 16:10:56,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:10:56,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65
[2020-09-24 16:10:56,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:10:56,539 INFO L225 Difference]: With dead ends: 140
[2020-09-24 16:10:56,539 INFO L226 Difference]: Without dead ends: 97
[2020-09-24 16:10:56,540 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 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 16:10:56,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states.
[2020-09-24 16:10:56,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97.
[2020-09-24 16:10:56,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states.
[2020-09-24 16:10:56,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 117 transitions.
[2020-09-24 16:10:56,555 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 117 transitions. Word has length 65
[2020-09-24 16:10:56,556 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:10:56,556 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 117 transitions.
[2020-09-24 16:10:56,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:10:56,556 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 117 transitions.
[2020-09-24 16:10:56,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2020-09-24 16:10:56,559 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:10:56,559 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:10:56,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-24 16:10:56,559 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:10:56,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:10:56,560 INFO L82 PathProgramCache]: Analyzing trace with hash -2082475577, now seen corresponding path program 1 times
[2020-09-24 16:10:56,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:10:56,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1177978210]
[2020-09-24 16:10:56,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:10:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89
[2020-09-24 16:10:56,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34
[2020-09-24 16:10:56,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-24 16:10:56,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31
[2020-09-24 16:10:56,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57
[2020-09-24 16:10:56,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:10:56,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:10:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:10:56,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:56,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:56,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:56,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:56,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:56,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-24 16:10:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,797 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:56,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:10:56,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:56,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:56,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:56,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2020-09-24 16:10:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:56,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:10:56,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:56,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:56,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:56,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:56,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-09-24 16:10:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:56,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:10:56,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:56,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:56,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-09-24 16:10:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:56,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:10:56,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:56,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:56,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:56,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:56,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53
[2020-09-24 16:10:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,842 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:56,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:10:56,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:56,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:56,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:56,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:10:56,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58
[2020-09-24 16:10:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:56,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:56,854 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:56,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:56,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:56,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:56,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:56,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3
[2020-09-24 16:10:56,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:56,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:56,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:56,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:56,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:10:56,869 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2020-09-24 16:10:56,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1177978210]
[2020-09-24 16:10:56,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:10:56,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-09-24 16:10:56,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621569994]
[2020-09-24 16:10:56,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-09-24 16:10:56,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:10:56,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-09-24 16:10:56,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-09-24 16:10:56,872 INFO L87 Difference]: Start difference. First operand 97 states and 117 transitions. Second operand 7 states.
[2020-09-24 16:10:57,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:10:57,146 INFO L93 Difference]: Finished difference Result 103 states and 122 transitions.
[2020-09-24 16:10:57,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-09-24 16:10:57,147 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68
[2020-09-24 16:10:57,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:10:57,149 INFO L225 Difference]: With dead ends: 103
[2020-09-24 16:10:57,149 INFO L226 Difference]: Without dead ends: 101
[2020-09-24 16:10:57,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90
[2020-09-24 16:10:57,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2020-09-24 16:10:57,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101.
[2020-09-24 16:10:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states.
[2020-09-24 16:10:57,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 120 transitions.
[2020-09-24 16:10:57,165 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 120 transitions. Word has length 68
[2020-09-24 16:10:57,166 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:10:57,166 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 120 transitions.
[2020-09-24 16:10:57,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-09-24 16:10:57,166 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions.
[2020-09-24 16:10:57,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2020-09-24 16:10:57,170 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:10:57,171 INFO L422 BasicCegarLoop]: trace histogram [13, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:10:57,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-24 16:10:57,171 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:10:57,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:10:57,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1342891699, now seen corresponding path program 1 times
[2020-09-24 16:10:57,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:10:57,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1541482263]
[2020-09-24 16:10:57,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:10:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,220 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1
[2020-09-24 16:10:57,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -15
[2020-09-24 16:10:57,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 15
[2020-09-24 16:10:57,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147
[2020-09-24 16:10:57,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-24 16:10:57,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-24 16:10:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120
[2020-09-24 16:10:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26
[2020-09-24 16:10:57,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:10:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:10:57,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-24 16:10:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2020-09-24 16:10:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-09-24 16:10:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,314 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-09-24 16:10:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53
[2020-09-24 16:10:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58
[2020-09-24 16:10:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64
[2020-09-24 16:10:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2020-09-24 16:10:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 16:10:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-09-24 16:10:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-09-24 16:10:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:10:57,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:57,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 16:10:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,379 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:10:57,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:57,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:57,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,393 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2020-09-24 16:10:57,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1541482263]
[2020-09-24 16:10:57,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:10:57,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-24 16:10:57,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527774841]
[2020-09-24 16:10:57,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-24 16:10:57,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:10:57,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-24 16:10:57,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-09-24 16:10:57,396 INFO L87 Difference]: Start difference. First operand 101 states and 120 transitions. Second operand 6 states.
[2020-09-24 16:10:57,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:10:57,489 INFO L93 Difference]: Finished difference Result 112 states and 130 transitions.
[2020-09-24 16:10:57,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-24 16:10:57,489 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 114
[2020-09-24 16:10:57,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:10:57,492 INFO L225 Difference]: With dead ends: 112
[2020-09-24 16:10:57,492 INFO L226 Difference]: Without dead ends: 110
[2020-09-24 16:10:57,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-09-24 16:10:57,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states.
[2020-09-24 16:10:57,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 105.
[2020-09-24 16:10:57,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states.
[2020-09-24 16:10:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 123 transitions.
[2020-09-24 16:10:57,506 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 123 transitions. Word has length 114
[2020-09-24 16:10:57,507 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:10:57,507 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 123 transitions.
[2020-09-24 16:10:57,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-24 16:10:57,507 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions.
[2020-09-24 16:10:57,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2020-09-24 16:10:57,509 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:10:57,510 INFO L422 BasicCegarLoop]: trace histogram [14, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:10:57,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-24 16:10:57,510 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:10:57,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:10:57,511 INFO L82 PathProgramCache]: Analyzing trace with hash -279016842, now seen corresponding path program 1 times
[2020-09-24 16:10:57,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:10:57,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [632584797]
[2020-09-24 16:10:57,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:10:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154
[2020-09-24 16:10:57,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-24 16:10:57,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-24 16:10:57,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105
[2020-09-24 16:10:57,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48
[2020-09-24 16:10:57,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:10:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:10:57,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-09-24 16:10:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2020-09-24 16:10:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2020-09-24 16:10:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2020-09-24 16:10:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53
[2020-09-24 16:10:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58
[2020-09-24 16:10:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64
[2020-09-24 16:10:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2020-09-24 16:10:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:57,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-09-24 16:10:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:57,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88
[2020-09-24 16:10:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:10:57,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:57,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:57,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2020-09-24 16:10:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:57,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-09-24 16:10:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1
[2020-09-24 16:10:57,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:57,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2020-09-24 16:10:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:57,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:57,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:57,698 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:57,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:57,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:57,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:57,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:10:57,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:57,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:57,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:57,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:57,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:57,729 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2020-09-24 16:10:57,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [632584797]
[2020-09-24 16:10:57,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:10:57,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-24 16:10:57,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662824133]
[2020-09-24 16:10:57,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-24 16:10:57,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:10:57,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-24 16:10:57,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-09-24 16:10:57,733 INFO L87 Difference]: Start difference. First operand 105 states and 123 transitions. Second operand 6 states.
[2020-09-24 16:10:57,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:10:57,873 INFO L93 Difference]: Finished difference Result 117 states and 138 transitions.
[2020-09-24 16:10:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 16:10:57,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119
[2020-09-24 16:10:57,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:10:57,874 INFO L225 Difference]: With dead ends: 117
[2020-09-24 16:10:57,874 INFO L226 Difference]: Without dead ends: 0
[2020-09-24 16:10:57,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-09-24 16:10:57,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-24 16:10:57,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-24 16:10:57,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-24 16:10:57,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-24 16:10:57,882 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119
[2020-09-24 16:10:57,882 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:10:57,882 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-24 16:10:57,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-24 16:10:57,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-24 16:10:57,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-24 16:10:57,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-24 16:10:57,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-24 16:10:58,475 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-09-24 16:10:58,475 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 16:10:58,476 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 16:10:58,476 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-24 16:10:58,476 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-24 16:10:58,476 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-24 16:10:58,477 INFO L268 CegarLoopResult]: For program point L4-3(lines 3 5) no Hoare annotation was computed.
[2020-09-24 16:10:58,477 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 3 5) no Hoare annotation was computed.
[2020-09-24 16:10:58,477 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed.
[2020-09-24 16:10:58,477 INFO L268 CegarLoopResult]: For program point L4-1(line 4) no Hoare annotation was computed.
[2020-09-24 16:10:58,477 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 3 5) no Hoare annotation was computed.
[2020-09-24 16:10:58,478 INFO L264 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (and (<= 1 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~c~0 main_~tokenlen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,478 INFO L264 CegarLoopResult]: At program point L60-1(line 60) the Hoare annotation is: (and (<= 1 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~c~0 main_~tokenlen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,478 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 72) no Hoare annotation was computed.
[2020-09-24 16:10:58,478 INFO L264 CegarLoopResult]: At program point L52(line 52) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,478 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2020-09-24 16:10:58,479 INFO L264 CegarLoopResult]: At program point L52-1(line 52) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,479 INFO L268 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed.
[2020-09-24 16:10:58,479 INFO L268 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed.
[2020-09-24 16:10:58,479 INFO L264 CegarLoopResult]: At program point L36-1(lines 35 41) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,480 INFO L264 CegarLoopResult]: At program point L36-2(lines 36 41) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,480 INFO L264 CegarLoopResult]: At program point L61(line 61) the Hoare annotation is: (and (<= 1 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~c~0 main_~tokenlen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,480 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed.
[2020-09-24 16:10:58,480 INFO L268 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed.
[2020-09-24 16:10:58,480 INFO L268 CegarLoopResult]: For program point L20-2(line 20) no Hoare annotation was computed.
[2020-09-24 16:10:58,481 INFO L264 CegarLoopResult]: At program point L45(line 45) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,481 INFO L264 CegarLoopResult]: At program point L45-1(line 45) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,481 INFO L271 CegarLoopResult]: At program point L70(lines 14 72) the Hoare annotation is: true
[2020-09-24 16:10:58,481 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed.
[2020-09-24 16:10:58,481 INFO L268 CegarLoopResult]: For program point L37-1(line 37) no Hoare annotation was computed.
[2020-09-24 16:10:58,481 INFO L268 CegarLoopResult]: For program point L37-2(line 37) no Hoare annotation was computed.
[2020-09-24 16:10:58,482 INFO L268 CegarLoopResult]: For program point L37-4(line 37) no Hoare annotation was computed.
[2020-09-24 16:10:58,482 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (and (<= 1 main_~c~0) (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~c~0 main_~tokenlen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,482 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed.
[2020-09-24 16:10:58,482 INFO L264 CegarLoopResult]: At program point L54-1(lines 53 66) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= 0 main_~c~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,482 INFO L268 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed.
[2020-09-24 16:10:58,483 INFO L268 CegarLoopResult]: For program point L46(lines 33 69) no Hoare annotation was computed.
[2020-09-24 16:10:58,483 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 72) no Hoare annotation was computed.
[2020-09-24 16:10:58,483 INFO L264 CegarLoopResult]: At program point L38(line 38) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,483 INFO L264 CegarLoopResult]: At program point L38-1(line 38) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,483 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed.
[2020-09-24 16:10:58,484 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 13 72) the Hoare annotation is: true
[2020-09-24 16:10:58,484 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed.
[2020-09-24 16:10:58,484 INFO L268 CegarLoopResult]: For program point L22-1(line 22) no Hoare annotation was computed.
[2020-09-24 16:10:58,484 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed.
[2020-09-24 16:10:58,484 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,484 INFO L264 CegarLoopResult]: At program point L31-1(line 31) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,485 INFO L264 CegarLoopResult]: At program point L56(line 56) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,485 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed.
[2020-09-24 16:10:58,485 INFO L264 CegarLoopResult]: At program point L56-1(line 56) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~c~0 2) main_~tokenlen~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (<= 0 main_~c~0) (not (= (+ main_~cp~0 1) main_~urilen~0)) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,485 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed.
[2020-09-24 16:10:58,485 INFO L268 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed.
[2020-09-24 16:10:58,485 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed.
[2020-09-24 16:10:58,486 INFO L268 CegarLoopResult]: For program point L48-2(line 48) no Hoare annotation was computed.
[2020-09-24 16:10:58,486 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed.
[2020-09-24 16:10:58,486 INFO L268 CegarLoopResult]: For program point L40-1(line 40) no Hoare annotation was computed.
[2020-09-24 16:10:58,486 INFO L268 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed.
[2020-09-24 16:10:58,486 INFO L268 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed.
[2020-09-24 16:10:58,486 INFO L268 CegarLoopResult]: For program point L65-1(line 65) no Hoare annotation was computed.
[2020-09-24 16:10:58,487 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed.
[2020-09-24 16:10:58,487 INFO L268 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed.
[2020-09-24 16:10:58,487 INFO L268 CegarLoopResult]: For program point L24-1(lines 14 72) no Hoare annotation was computed.
[2020-09-24 16:10:58,487 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed.
[2020-09-24 16:10:58,487 INFO L268 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed.
[2020-09-24 16:10:58,487 INFO L268 CegarLoopResult]: For program point L16-1(line 16) no Hoare annotation was computed.
[2020-09-24 16:10:58,487 INFO L268 CegarLoopResult]: For program point L33(lines 33 69) no Hoare annotation was computed.
[2020-09-24 16:10:58,487 INFO L268 CegarLoopResult]: For program point L33-1(line 33) no Hoare annotation was computed.
[2020-09-24 16:10:58,488 INFO L268 CegarLoopResult]: For program point L33-3(line 33) no Hoare annotation was computed.
[2020-09-24 16:10:58,488 INFO L268 CegarLoopResult]: For program point L58(lines 58 64) no Hoare annotation was computed.
[2020-09-24 16:10:58,488 INFO L268 CegarLoopResult]: For program point L25(lines 14 72) no Hoare annotation was computed.
[2020-09-24 16:10:58,488 INFO L268 CegarLoopResult]: For program point L58-1(line 58) no Hoare annotation was computed.
[2020-09-24 16:10:58,488 INFO L268 CegarLoopResult]: For program point L58-2(line 58) no Hoare annotation was computed.
[2020-09-24 16:10:58,488 INFO L268 CegarLoopResult]: For program point L58-3(lines 58 64) no Hoare annotation was computed.
[2020-09-24 16:10:58,488 INFO L268 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed.
[2020-09-24 16:10:58,489 INFO L268 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed.
[2020-09-24 16:10:58,489 INFO L268 CegarLoopResult]: For program point L50-1(lines 50 68) no Hoare annotation was computed.
[2020-09-24 16:10:58,489 INFO L268 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed.
[2020-09-24 16:10:58,489 INFO L268 CegarLoopResult]: For program point L50-2(line 50) no Hoare annotation was computed.
[2020-09-24 16:10:58,489 INFO L268 CegarLoopResult]: For program point L50-3(line 50) no Hoare annotation was computed.
[2020-09-24 16:10:58,489 INFO L264 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,490 INFO L264 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,490 INFO L264 CegarLoopResult]: At program point L34-1(line 34) the Hoare annotation is: (and (< 0 main_~scheme~0) (<= 1 main_~cp~0) (<= (+ main_~scheme~0 1) main_~urilen~0) (< main_~cp~0 main_~urilen~0))
[2020-09-24 16:10:58,490 INFO L268 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed.
[2020-09-24 16:10:58,490 INFO L268 CegarLoopResult]: For program point L26(lines 14 72) no Hoare annotation was computed.
[2020-09-24 16:10:58,490 INFO L268 CegarLoopResult]: For program point L59-1(line 59) no Hoare annotation was computed.
[2020-09-24 16:10:58,490 INFO L268 CegarLoopResult]: For program point L59-2(line 59) no Hoare annotation was computed.
[2020-09-24 16:10:58,491 INFO L268 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed.
[2020-09-24 16:10:58,491 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed.
[2020-09-24 16:10:58,491 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed.
[2020-09-24 16:10:58,491 INFO L268 CegarLoopResult]: For program point L18-2(line 18) no Hoare annotation was computed.
[2020-09-24 16:10:58,491 INFO L268 CegarLoopResult]: For program point L43(lines 33 69) no Hoare annotation was computed.
[2020-09-24 16:10:58,491 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true
[2020-09-24 16:10:58,491 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 6 11) no Hoare annotation was computed.
[2020-09-24 16:10:58,491 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed.
[2020-09-24 16:10:58,492 INFO L268 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed.
[2020-09-24 16:10:58,492 INFO L268 CegarLoopResult]: For program point L7-2(lines 6 11) no Hoare annotation was computed.
[2020-09-24 16:10:58,492 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed.
[2020-09-24 16:10:58,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 04:10:58 BoogieIcfgContainer
[2020-09-24 16:10:58,521 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 16:10:58,524 INFO L168 Benchmark]: Toolchain (without parser) took 4701.13 ms. Allocated memory was 140.0 MB in the beginning and 245.4 MB in the end (delta: 105.4 MB). Free memory was 101.3 MB in the beginning and 119.7 MB in the end (delta: -18.4 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB.
[2020-09-24 16:10:58,526 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-24 16:10:58,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.76 ms. Allocated memory is still 140.0 MB. Free memory was 100.7 MB in the beginning and 90.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB.
[2020-09-24 16:10:58,528 INFO L168 Benchmark]: Boogie Preprocessor took 141.56 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 90.3 MB in the beginning and 181.0 MB in the end (delta: -90.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
[2020-09-24 16:10:58,529 INFO L168 Benchmark]: RCFGBuilder took 505.89 ms. Allocated memory is still 202.9 MB. Free memory was 181.0 MB in the beginning and 159.9 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB.
[2020-09-24 16:10:58,530 INFO L168 Benchmark]: TraceAbstraction took 3728.86 ms. Allocated memory was 202.9 MB in the beginning and 245.4 MB in the end (delta: 42.5 MB). Free memory was 159.3 MB in the beginning and 119.7 MB in the end (delta: 39.6 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB.
[2020-09-24 16:10:58,534 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 315.76 ms. Allocated memory is still 140.0 MB. Free memory was 100.7 MB in the beginning and 90.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 141.56 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 90.3 MB in the beginning and 181.0 MB in the end (delta: -90.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 505.89 ms. Allocated memory is still 202.9 MB. Free memory was 181.0 MB in the beginning and 159.9 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 3728.86 ms. Allocated memory was 202.9 MB in the beginning and 245.4 MB in the end (delta: 42.5 MB). Free memory was 159.3 MB in the beginning and 119.7 MB in the end (delta: 39.6 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 8]: 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: 14]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 35]: Loop Invariant
Derived loop invariant: ((0 < scheme && 1 <= cp) && scheme + 1 <= urilen) && cp < urilen
- InvariantResult [Line: 53]: Loop Invariant
Derived loop invariant: (((0 < scheme && 1 <= cp) && 0 <= c) && scheme + 1 <= urilen) && cp < urilen
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 14, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 586 SDtfs, 278 SDslu, 1595 SDs, 0 SdLazy, 440 SolverSat, 166 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 76 PreInvPairs, 105 NumberOfFragments, 415 HoareAnnotationTreeSize, 76 FomulaSimplifications, 234 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 152 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 431 NumberOfCodeBlocks, 431 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 425 ConstructedInterpolants, 0 QuantifiedInterpolants, 52732 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 772/772 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...