/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-circular-1.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 08:58:51,561 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 08:58:51,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 08:58:51,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 08:58:51,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 08:58:51,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 08:58:51,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 08:58:51,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 08:58:51,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 08:58:51,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 08:58:51,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 08:58:51,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 08:58:51,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 08:58:51,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 08:58:51,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 08:58:51,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 08:58:51,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 08:58:51,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 08:58:51,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 08:58:51,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 08:58:51,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 08:58:51,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 08:58:51,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 08:58:51,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 08:58:51,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 08:58:51,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 08:58:51,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 08:58:51,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 08:58:51,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 08:58:51,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 08:58:51,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 08:58:51,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 08:58:51,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 08:58:51,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 08:58:51,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 08:58:51,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 08:58:51,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 08:58:51,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 08:58:51,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 08:58:51,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 08:58:51,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 08:58:51,686 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 08:58:51,713 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 08:58:51,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 08:58:51,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 08:58:51,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 08:58:51,715 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 08:58:51,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 08:58:51,715 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 08:58:51,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 08:58:51,716 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 08:58:51,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 08:58:51,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 08:58:51,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 08:58:51,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 08:58:51,717 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 08:58:51,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 08:58:51,717 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 08:58:51,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 08:58:51,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 08:58:51,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 08:58:51,720 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 08:58:51,720 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 08:58:51,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 08:58:51,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 08:58:51,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 08:58:51,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 08:58:51,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 08:58:51,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 08:58:51,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 08:58:51,722 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 08:58:51,722 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true;
[2020-09-25 08:58:52,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 08:58:52,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 08:58:52,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 08:58:52,194 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 08:58:52,194 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 08:58:52,196 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-circular-1.i
[2020-09-25 08:58:52,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/70d8cd14b/c0d7bb8775b5459fb6f2bf071995e22b/FLAGee360cecd
[2020-09-25 08:58:52,928 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 08:58:52,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/forester-heap/dll-circular-1.i
[2020-09-25 08:58:52,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/70d8cd14b/c0d7bb8775b5459fb6f2bf071995e22b/FLAGee360cecd
[2020-09-25 08:58:53,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/70d8cd14b/c0d7bb8775b5459fb6f2bf071995e22b
[2020-09-25 08:58:53,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 08:58:53,195 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 08:58:53,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 08:58:53,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 08:58:53,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 08:58:53,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:58:53" (1/1) ...
[2020-09-25 08:58:53,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c09893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:53, skipping insertion in model container
[2020-09-25 08:58:53,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:58:53" (1/1) ...
[2020-09-25 08:58:53,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 08:58:53,291 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 08:58:53,749 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 08:58:53,762 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 08:58:53,811 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 08:58:53,883 INFO L208 MainTranslator]: Completed translation
[2020-09-25 08:58:53,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:53 WrapperNode
[2020-09-25 08:58:53,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 08:58:53,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 08:58:53,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 08:58:53,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 08:58:53,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:53" (1/1) ...
[2020-09-25 08:58:53,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:53" (1/1) ...
[2020-09-25 08:58:53,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:53" (1/1) ...
[2020-09-25 08:58:53,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:53" (1/1) ...
[2020-09-25 08:58:53,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:53" (1/1) ...
[2020-09-25 08:58:53,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:53" (1/1) ...
[2020-09-25 08:58:53,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:53" (1/1) ...
[2020-09-25 08:58:53,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 08:58:53,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 08:58:53,969 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 08:58:53,969 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 08:58:53,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:53" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 08:58:54,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 08:58:54,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 08:58:54,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 08:58:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2020-09-25 08:58:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure atof
[2020-09-25 08:58:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure atoi
[2020-09-25 08:58:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure atol
[2020-09-25 08:58:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure atoll
[2020-09-25 08:58:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure strtod
[2020-09-25 08:58:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure strtof
[2020-09-25 08:58:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure strtold
[2020-09-25 08:58:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure strtol
[2020-09-25 08:58:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul
[2020-09-25 08:58:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq
[2020-09-25 08:58:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq
[2020-09-25 08:58:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll
[2020-09-25 08:58:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull
[2020-09-25 08:58:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure l64a
[2020-09-25 08:58:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure a64l
[2020-09-25 08:58:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure select
[2020-09-25 08:58:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure pselect
[2020-09-25 08:58:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2020-09-25 08:58:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2020-09-25 08:58:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2020-09-25 08:58:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure random
[2020-09-25 08:58:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure srandom
[2020-09-25 08:58:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure initstate
[2020-09-25 08:58:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure setstate
[2020-09-25 08:58:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure random_r
[2020-09-25 08:58:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r
[2020-09-25 08:58:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r
[2020-09-25 08:58:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r
[2020-09-25 08:58:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure rand
[2020-09-25 08:58:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure srand
[2020-09-25 08:58:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r
[2020-09-25 08:58:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure drand48
[2020-09-25 08:58:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure erand48
[2020-09-25 08:58:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48
[2020-09-25 08:58:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48
[2020-09-25 08:58:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48
[2020-09-25 08:58:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48
[2020-09-25 08:58:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure srand48
[2020-09-25 08:58:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure seed48
[2020-09-25 08:58:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48
[2020-09-25 08:58:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r
[2020-09-25 08:58:54,099 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r
[2020-09-25 08:58:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r
[2020-09-25 08:58:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r
[2020-09-25 08:58:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r
[2020-09-25 08:58:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r
[2020-09-25 08:58:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r
[2020-09-25 08:58:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r
[2020-09-25 08:58:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r
[2020-09-25 08:58:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 08:58:54,100 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2020-09-25 08:58:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure realloc
[2020-09-25 08:58:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 08:58:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure cfree
[2020-09-25 08:58:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure alloca
[2020-09-25 08:58:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure valloc
[2020-09-25 08:58:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign
[2020-09-25 08:58:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc
[2020-09-25 08:58:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 08:58:54,101 INFO L130 BoogieDeclarations]: Found specification of procedure atexit
[2020-09-25 08:58:54,102 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit
[2020-09-25 08:58:54,105 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit
[2020-09-25 08:58:54,105 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2020-09-25 08:58:54,106 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit
[2020-09-25 08:58:54,106 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit
[2020-09-25 08:58:54,107 INFO L130 BoogieDeclarations]: Found specification of procedure getenv
[2020-09-25 08:58:54,107 INFO L130 BoogieDeclarations]: Found specification of procedure putenv
[2020-09-25 08:58:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure setenv
[2020-09-25 08:58:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv
[2020-09-25 08:58:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv
[2020-09-25 08:58:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp
[2020-09-25 08:58:54,109 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp
[2020-09-25 08:58:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps
[2020-09-25 08:58:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp
[2020-09-25 08:58:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure system
[2020-09-25 08:58:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure realpath
[2020-09-25 08:58:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch
[2020-09-25 08:58:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure qsort
[2020-09-25 08:58:54,110 INFO L130 BoogieDeclarations]: Found specification of procedure abs
[2020-09-25 08:58:54,111 INFO L130 BoogieDeclarations]: Found specification of procedure labs
[2020-09-25 08:58:54,111 INFO L130 BoogieDeclarations]: Found specification of procedure llabs
[2020-09-25 08:58:54,111 INFO L130 BoogieDeclarations]: Found specification of procedure div
[2020-09-25 08:58:54,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv
[2020-09-25 08:58:54,111 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv
[2020-09-25 08:58:54,111 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt
[2020-09-25 08:58:54,112 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt
[2020-09-25 08:58:54,112 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt
[2020-09-25 08:58:54,112 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt
[2020-09-25 08:58:54,112 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt
[2020-09-25 08:58:54,112 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt
[2020-09-25 08:58:54,112 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r
[2020-09-25 08:58:54,112 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r
[2020-09-25 08:58:54,113 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r
[2020-09-25 08:58:54,113 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r
[2020-09-25 08:58:54,113 INFO L130 BoogieDeclarations]: Found specification of procedure mblen
[2020-09-25 08:58:54,113 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc
[2020-09-25 08:58:54,113 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb
[2020-09-25 08:58:54,113 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs
[2020-09-25 08:58:54,113 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs
[2020-09-25 08:58:54,114 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch
[2020-09-25 08:58:54,114 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt
[2020-09-25 08:58:54,114 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg
[2020-09-25 08:58:54,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 08:58:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 08:58:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 08:58:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 08:58:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 08:58:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 08:58:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 08:58:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 08:58:54,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 08:58:54,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 08:58:54,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 08:58:54,692 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 08:58:54,692 INFO L295 CfgBuilder]: Removed 9 assume(true) statements.
[2020-09-25 08:58:54,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:58:54 BoogieIcfgContainer
[2020-09-25 08:58:54,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 08:58:54,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 08:58:54,707 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 08:58:54,711 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 08:58:54,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:58:53" (1/3) ...
[2020-09-25 08:58:54,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d65176e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:58:54, skipping insertion in model container
[2020-09-25 08:58:54,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:53" (2/3) ...
[2020-09-25 08:58:54,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d65176e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:58:54, skipping insertion in model container
[2020-09-25 08:58:54,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:58:54" (3/3) ...
[2020-09-25 08:58:54,723 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-circular-1.i
[2020-09-25 08:58:54,735 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 08:58:54,747 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations.
[2020-09-25 08:58:54,768 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2020-09-25 08:58:54,798 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 08:58:54,798 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 08:58:54,799 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 08:58:54,799 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 08:58:54,799 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 08:58:54,799 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 08:58:54,799 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 08:58:54,799 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 08:58:54,827 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states.
[2020-09-25 08:58:54,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2020-09-25 08:58:54,835 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:58:54,837 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]
[2020-09-25 08:58:54,838 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:58:54,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:58:54,846 INFO L82 PathProgramCache]: Analyzing trace with hash -740897811, now seen corresponding path program 1 times
[2020-09-25 08:58:54,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:58:54,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819223880]
[2020-09-25 08:58:54,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:58:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:55,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:55,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:55,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:58:55,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 08:58:55,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 08:58:55,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 677
[2020-09-25 08:58:55,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:58:55,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:58:55,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:58:55,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20
[2020-09-25 08:58:55,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:58:55,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-25 08:58:55,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:58:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:55,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:55,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:58:55,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:58:55,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:58:55,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 08:58:55,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:58:55,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:58:55,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:58:55,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:58:55,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:58:55,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:58:55,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 08:58:55,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819223880]
[2020-09-25 08:58:55,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:58:55,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 08:58:55,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844750643]
[2020-09-25 08:58:55,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 08:58:55,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:58:55,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 08:58:55,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 08:58:55,841 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 3 states.
[2020-09-25 08:58:56,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:58:56,076 INFO L93 Difference]: Finished difference Result 179 states and 215 transitions.
[2020-09-25 08:58:56,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 08:58:56,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20
[2020-09-25 08:58:56,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:58:56,095 INFO L225 Difference]: With dead ends: 179
[2020-09-25 08:58:56,095 INFO L226 Difference]: Without dead ends: 77
[2020-09-25 08:58:56,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 08:58:56,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2020-09-25 08:58:56,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77.
[2020-09-25 08:58:56,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states.
[2020-09-25 08:58:56,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 82 transitions.
[2020-09-25 08:58:56,162 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 82 transitions. Word has length 20
[2020-09-25 08:58:56,162 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:58:56,162 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 82 transitions.
[2020-09-25 08:58:56,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 08:58:56,163 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 82 transitions.
[2020-09-25 08:58:56,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2020-09-25 08:58:56,164 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:58:56,164 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]
[2020-09-25 08:58:56,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 08:58:56,165 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:58:56,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:58:56,165 INFO L82 PathProgramCache]: Analyzing trace with hash -2066269805, now seen corresponding path program 1 times
[2020-09-25 08:58:56,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:58:56,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243341711]
[2020-09-25 08:58:56,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:58:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:56,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:56,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:58:56,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29
[2020-09-25 08:58:56,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:58:56,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358
[2020-09-25 08:58:56,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:58:56,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:58:56,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9
[2020-09-25 08:58:56,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14
[2020-09-25 08:58:56,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14
[2020-09-25 08:58:56,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:58:56,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:58:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:56,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:56,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:58:56,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:58:56,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:58:56,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-25 08:58:56,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:58:56,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:58:56,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:58:56,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:58:56,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:58:56,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:58:56,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 08:58:56,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243341711]
[2020-09-25 08:58:56,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:58:56,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-09-25 08:58:56,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009056166]
[2020-09-25 08:58:56,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-09-25 08:58:56,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:58:56,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-09-25 08:58:56,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-09-25 08:58:56,774 INFO L87 Difference]: Start difference. First operand 77 states and 82 transitions. Second operand 9 states.
[2020-09-25 08:58:57,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:58:57,213 INFO L93 Difference]: Finished difference Result 155 states and 163 transitions.
[2020-09-25 08:58:57,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2020-09-25 08:58:57,213 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22
[2020-09-25 08:58:57,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:58:57,216 INFO L225 Difference]: With dead ends: 155
[2020-09-25 08:58:57,216 INFO L226 Difference]: Without dead ends: 153
[2020-09-25 08:58:57,217 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240
[2020-09-25 08:58:57,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states.
[2020-09-25 08:58:57,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 85.
[2020-09-25 08:58:57,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states.
[2020-09-25 08:58:57,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 91 transitions.
[2020-09-25 08:58:57,232 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 91 transitions. Word has length 22
[2020-09-25 08:58:57,232 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:58:57,232 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 91 transitions.
[2020-09-25 08:58:57,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-09-25 08:58:57,232 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions.
[2020-09-25 08:58:57,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2020-09-25 08:58:57,234 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:58:57,234 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 08:58:57,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 08:58:57,235 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:58:57,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:58:57,235 INFO L82 PathProgramCache]: Analyzing trace with hash 807179936, now seen corresponding path program 1 times
[2020-09-25 08:58:57,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:58:57,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222148204]
[2020-09-25 08:58:57,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:58:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:57,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:57,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:57,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:58:57,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38
[2020-09-25 08:58:57,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 08:58:57,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 664
[2020-09-25 08:58:57,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:58:57,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:58:57,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9
[2020-09-25 08:58:57,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14
[2020-09-25 08:58:57,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23
[2020-09-25 08:58:57,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:58:58,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:58:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:58,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:58,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:58:58,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:58:58,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:58:58,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 08:58:58,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:58:58,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:58:58,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:58:58,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:58:58,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:58:58,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:58:58,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 08:58:58,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [222148204]
[2020-09-25 08:58:58,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:58:58,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-09-25 08:58:58,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106394333]
[2020-09-25 08:58:58,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-09-25 08:58:58,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:58:58,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-09-25 08:58:58,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2020-09-25 08:58:58,081 INFO L87 Difference]: Start difference. First operand 85 states and 91 transitions. Second operand 10 states.
[2020-09-25 08:58:58,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:58:58,494 INFO L93 Difference]: Finished difference Result 88 states and 94 transitions.
[2020-09-25 08:58:58,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2020-09-25 08:58:58,495 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31
[2020-09-25 08:58:58,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:58:58,497 INFO L225 Difference]: With dead ends: 88
[2020-09-25 08:58:58,497 INFO L226 Difference]: Without dead ends: 86
[2020-09-25 08:58:58,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240
[2020-09-25 08:58:58,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2020-09-25 08:58:58,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83.
[2020-09-25 08:58:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states.
[2020-09-25 08:58:58,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 89 transitions.
[2020-09-25 08:58:58,525 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 89 transitions. Word has length 31
[2020-09-25 08:58:58,525 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:58:58,525 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 89 transitions.
[2020-09-25 08:58:58,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-09-25 08:58:58,526 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions.
[2020-09-25 08:58:58,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2020-09-25 08:58:58,528 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:58:58,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 08:58:58,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 08:58:58,530 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:58:58,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:58:58,531 INFO L82 PathProgramCache]: Analyzing trace with hash -988969633, now seen corresponding path program 1 times
[2020-09-25 08:58:58,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:58:58,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725805588]
[2020-09-25 08:58:58,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:58:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:58:58,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:58,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:58:59,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:59:00,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:59:00,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43
[2020-09-25 08:59:00,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 08:59:00,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2061
[2020-09-25 08:59:00,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:59:00,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:59:00,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:59:00,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19
[2020-09-25 08:59:00,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17
[2020-09-25 08:59:00,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:59:00,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:59:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:59:00,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:59:00,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:59:00,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:59:00,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:59:00,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 08:59:00,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:59:00,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:59:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:59:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:59:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:59:00,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:59:00,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 08:59:00,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1725805588]
[2020-09-25 08:59:00,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:59:00,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 08:59:00,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622022592]
[2020-09-25 08:59:00,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 08:59:00,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:59:00,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 08:59:00,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 08:59:00,713 INFO L87 Difference]: Start difference. First operand 83 states and 89 transitions. Second operand 4 states.
[2020-09-25 08:59:00,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:59:00,877 INFO L93 Difference]: Finished difference Result 204 states and 219 transitions.
[2020-09-25 08:59:00,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-09-25 08:59:00,878 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36
[2020-09-25 08:59:00,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:59:00,880 INFO L225 Difference]: With dead ends: 204
[2020-09-25 08:59:00,880 INFO L226 Difference]: Without dead ends: 142
[2020-09-25 08:59:00,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 08:59:00,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states.
[2020-09-25 08:59:00,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 103.
[2020-09-25 08:59:00,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states.
[2020-09-25 08:59:00,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 111 transitions.
[2020-09-25 08:59:00,891 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 111 transitions. Word has length 36
[2020-09-25 08:59:00,891 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:59:00,891 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 111 transitions.
[2020-09-25 08:59:00,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 08:59:00,892 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 111 transitions.
[2020-09-25 08:59:00,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2020-09-25 08:59:00,893 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:59:00,893 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 08:59:00,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 08:59:00,894 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:59:00,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:59:00,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1230029085, now seen corresponding path program 1 times
[2020-09-25 08:59:00,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:59:00,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [865567786]
[2020-09-25 08:59:00,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:59:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:59:00,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:59:01,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:59:01,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:59:01,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:59:03,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:59:03,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-25 08:59:03,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4
[2020-09-25 08:59:03,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2359
[2020-09-25 08:59:03,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:59:03,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:59:03,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12
[2020-09-25 08:59:03,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 08:59:03,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-25 08:59:03,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:59:03,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:59:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:59:03,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:59:03,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:59:03,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:59:03,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:59:03,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 08:59:03,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:59:03,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:59:03,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:59:03,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:59:03,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:59:03,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:59:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 08:59:03,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [865567786]
[2020-09-25 08:59:03,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:59:03,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2020-09-25 08:59:03,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265876042]
[2020-09-25 08:59:03,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states
[2020-09-25 08:59:03,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:59:03,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2020-09-25 08:59:03,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132
[2020-09-25 08:59:03,576 INFO L87 Difference]: Start difference. First operand 103 states and 111 transitions. Second operand 12 states.
[2020-09-25 08:59:04,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:59:04,258 INFO L93 Difference]: Finished difference Result 196 states and 207 transitions.
[2020-09-25 08:59:04,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2020-09-25 08:59:04,259 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37
[2020-09-25 08:59:04,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:59:04,261 INFO L225 Difference]: With dead ends: 196
[2020-09-25 08:59:04,261 INFO L226 Difference]: Without dead ends: 166
[2020-09-25 08:59:04,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600
[2020-09-25 08:59:04,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states.
[2020-09-25 08:59:04,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 111.
[2020-09-25 08:59:04,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states.
[2020-09-25 08:59:04,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 119 transitions.
[2020-09-25 08:59:04,272 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 119 transitions. Word has length 37
[2020-09-25 08:59:04,272 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:59:04,272 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 119 transitions.
[2020-09-25 08:59:04,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states.
[2020-09-25 08:59:04,272 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 119 transitions.
[2020-09-25 08:59:04,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2020-09-25 08:59:04,274 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:59:04,274 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, 1, 1, 1, 1, 1]
[2020-09-25 08:59:04,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-09-25 08:59:04,275 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:59:04,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:59:04,276 INFO L82 PathProgramCache]: Analyzing trace with hash 626563183, now seen corresponding path program 1 times
[2020-09-25 08:59:04,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:59:04,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1540914459]
[2020-09-25 08:59:04,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:59:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:59:04,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:59:04,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:59:05,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:59:05,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47
[2020-09-25 08:59:05,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 08:59:05,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1437
[2020-09-25 08:59:05,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:59:05,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:59:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16
[2020-09-25 08:59:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14
[2020-09-25 08:59:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32
[2020-09-25 08:59:05,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:59:06,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:59:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:59:06,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:59:06,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:59:06,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:59:06,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:59:06,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 08:59:06,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:59:06,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0
[2020-09-25 08:59:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:59:06,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:59:06,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:59:06,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:59:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 08:59:06,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1540914459]
[2020-09-25 08:59:06,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-25 08:59:06,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14
[2020-09-25 08:59:06,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587203403]
[2020-09-25 08:59:06,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states
[2020-09-25 08:59:06,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:59:06,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2020-09-25 08:59:06,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182
[2020-09-25 08:59:06,078 INFO L87 Difference]: Start difference. First operand 111 states and 119 transitions. Second operand 14 states.
[2020-09-25 08:59:06,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:59:06,868 INFO L93 Difference]: Finished difference Result 178 states and 188 transitions.
[2020-09-25 08:59:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states.
[2020-09-25 08:59:06,869 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 40
[2020-09-25 08:59:06,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:59:06,871 INFO L225 Difference]: With dead ends: 178
[2020-09-25 08:59:06,871 INFO L226 Difference]: Without dead ends: 176
[2020-09-25 08:59:06,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=226, Invalid=644, Unknown=0, NotChecked=0, Total=870
[2020-09-25 08:59:06,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states.
[2020-09-25 08:59:06,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 109.
[2020-09-25 08:59:06,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states.
[2020-09-25 08:59:06,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 117 transitions.
[2020-09-25 08:59:06,892 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 117 transitions. Word has length 40
[2020-09-25 08:59:06,892 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:59:06,892 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 117 transitions.
[2020-09-25 08:59:06,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states.
[2020-09-25 08:59:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 117 transitions.
[2020-09-25 08:59:06,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-09-25 08:59:06,897 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:59:06,897 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 08:59:06,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-09-25 08:59:06,897 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:59:06,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:59:06,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1667005657, now seen corresponding path program 1 times
[2020-09-25 08:59:06,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:59:06,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2097319358]
[2020-09-25 08:59:06,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:59:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 08:59:06,926 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 08:59:06,926 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 08:59:06,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-09-25 08:59:06,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 08:59:06 BoogieIcfgContainer
[2020-09-25 08:59:06,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 08:59:06,971 INFO L168 Benchmark]: Toolchain (without parser) took 13778.49 ms. Allocated memory was 140.0 MB in the beginning and 341.3 MB in the end (delta: 201.3 MB). Free memory was 102.3 MB in the beginning and 254.9 MB in the end (delta: -152.5 MB). Peak memory consumption was 48.8 MB. Max. memory is 7.1 GB.
[2020-09-25 08:59:06,972 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 08:59:06,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.89 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 101.7 MB in the beginning and 171.4 MB in the end (delta: -69.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB.
[2020-09-25 08:59:06,980 INFO L168 Benchmark]: Boogie Preprocessor took 82.15 ms. Allocated memory is still 204.5 MB. Free memory was 171.4 MB in the beginning and 168.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
[2020-09-25 08:59:06,981 INFO L168 Benchmark]: RCFGBuilder took 735.79 ms. Allocated memory is still 204.5 MB. Free memory was 168.7 MB in the beginning and 119.6 MB in the end (delta: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB.
[2020-09-25 08:59:06,982 INFO L168 Benchmark]: TraceAbstraction took 12259.34 ms. Allocated memory was 204.5 MB in the beginning and 341.3 MB in the end (delta: 136.8 MB). Free memory was 119.0 MB in the beginning and 254.9 MB in the end (delta: -135.9 MB). Peak memory consumption was 919.5 kB. Max. memory is 7.1 GB.
[2020-09-25 08:59:06,995 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 686.89 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 101.7 MB in the beginning and 171.4 MB in the end (delta: -69.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 82.15 ms. Allocated memory is still 204.5 MB. Free memory was 171.4 MB in the beginning and 168.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 735.79 ms. Allocated memory is still 204.5 MB. Free memory was 168.7 MB in the beginning and 119.6 MB in the end (delta: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 12259.34 ms. Allocated memory was 204.5 MB in the beginning and 341.3 MB in the end (delta: 136.8 MB). Free memory was 119.0 MB in the beginning and 254.9 MB in the end (delta: -135.9 MB). Peak memory consumption was 919.5 kB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 1023]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L986] SLL* head = malloc(sizeof(SLL));
[L987] head->next = head
[L988] head->data = 0
[L990] SLL* x = head;
[L991] int state = 1;
[L994] COND FALSE !(__VERIFIER_nondet_int())
[L1016] x->data = state
[L1018] EXPR head->next
[L1018] x = head->next
[L1019] COND FALSE !(!(((void*)0) != x))
[L1021] EXPR x->data
[L1021] COND TRUE x->data != 0
[L1023] EXPR x->next
[L1023] EXPR x->next->data
[L1023] EXPR x->next->data != 0 && x->data > x->next->data
[L1023] EXPR x->data
[L1023] EXPR x->next
[L1023] EXPR x->next->data
[L1023] EXPR x->next->data != 0 && x->data > x->next->data
[L1023] COND TRUE !(x->next->data != 0 && x->data > x->next->data)
[L1023] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.1s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 470 SDtfs, 1254 SDslu, 1327 SDs, 0 SdLazy, 1065 SolverSat, 124 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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, 232 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 40992 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...