/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/sll-simple-white-blue-2.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 05:32:30,430 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 05:32:30,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 05:32:30,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 05:32:30,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 05:32:30,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 05:32:30,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 05:32:30,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 05:32:30,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 05:32:30,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 05:32:30,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 05:32:30,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 05:32:30,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 05:32:30,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 05:32:30,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 05:32:30,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 05:32:30,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 05:32:30,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 05:32:30,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 05:32:30,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 05:32:30,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 05:32:30,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 05:32:30,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 05:32:30,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 05:32:30,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 05:32:30,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 05:32:30,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 05:32:30,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 05:32:30,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 05:32:30,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 05:32:30,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 05:32:30,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 05:32:30,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 05:32:30,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 05:32:30,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 05:32:30,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 05:32:30,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 05:32:30,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 05:32:30,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 05:32:30,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 05:32:30,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 05:32:30,555 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 05:32:30,601 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 05:32:30,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 05:32:30,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 05:32:30,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 05:32:30,604 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 05:32:30,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 05:32:30,605 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 05:32:30,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 05:32:30,605 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 05:32:30,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 05:32:30,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 05:32:30,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 05:32:30,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 05:32:30,608 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 05:32:30,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 05:32:30,608 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 05:32:30,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 05:32:30,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 05:32:30,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 05:32:30,609 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 05:32:30,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 05:32:30,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 05:32:30,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 05:32:30,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 05:32:30,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 05:32:30,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 05:32:30,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 05:32:30,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 05:32:30,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 05:32:30,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;
[2020-09-25 05:32:31,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 05:32:31,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 05:32:31,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 05:32:31,115 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 05:32:31,115 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 05:32:31,117 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue-2.i
[2020-09-25 05:32:31,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a489ec6a/5b224eeb7e0e4b819063927473051963/FLAG8f9cba0d0
[2020-09-25 05:32:31,886 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 05:32:31,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/forester-heap/sll-simple-white-blue-2.i
[2020-09-25 05:32:31,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a489ec6a/5b224eeb7e0e4b819063927473051963/FLAG8f9cba0d0
[2020-09-25 05:32:32,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a489ec6a/5b224eeb7e0e4b819063927473051963
[2020-09-25 05:32:32,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 05:32:32,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 05:32:32,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 05:32:32,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 05:32:32,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 05:32:32,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:32:32" (1/1) ...
[2020-09-25 05:32:32,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff28928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:32, skipping insertion in model container
[2020-09-25 05:32:32,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:32:32" (1/1) ...
[2020-09-25 05:32:32,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 05:32:32,178 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 05:32:32,669 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:32:32,688 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 05:32:32,764 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 05:32:32,821 INFO L208 MainTranslator]: Completed translation
[2020-09-25 05:32:32,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:32 WrapperNode
[2020-09-25 05:32:32,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 05:32:32,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 05:32:32,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 05:32:32,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 05:32:32,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:32" (1/1) ...
[2020-09-25 05:32:32,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:32" (1/1) ...
[2020-09-25 05:32:32,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:32" (1/1) ...
[2020-09-25 05:32:32,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:32" (1/1) ...
[2020-09-25 05:32:32,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:32" (1/1) ...
[2020-09-25 05:32:32,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:32" (1/1) ...
[2020-09-25 05:32:32,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:32" (1/1) ...
[2020-09-25 05:32:32,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 05:32:32,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 05:32:32,904 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 05:32:32,904 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 05:32:32,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:32" (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 05:32:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 05:32:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 05:32:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 05:32:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2020-09-25 05:32:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure atof
[2020-09-25 05:32:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure atoi
[2020-09-25 05:32:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure atol
[2020-09-25 05:32:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure atoll
[2020-09-25 05:32:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure strtod
[2020-09-25 05:32:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure strtof
[2020-09-25 05:32:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure strtold
[2020-09-25 05:32:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure strtol
[2020-09-25 05:32:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul
[2020-09-25 05:32:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq
[2020-09-25 05:32:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq
[2020-09-25 05:32:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll
[2020-09-25 05:32:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull
[2020-09-25 05:32:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure l64a
[2020-09-25 05:32:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure a64l
[2020-09-25 05:32:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure select
[2020-09-25 05:32:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure pselect
[2020-09-25 05:32:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2020-09-25 05:32:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2020-09-25 05:32:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2020-09-25 05:32:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure random
[2020-09-25 05:32:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure srandom
[2020-09-25 05:32:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure initstate
[2020-09-25 05:32:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure setstate
[2020-09-25 05:32:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure random_r
[2020-09-25 05:32:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r
[2020-09-25 05:32:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r
[2020-09-25 05:32:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r
[2020-09-25 05:32:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure rand
[2020-09-25 05:32:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure srand
[2020-09-25 05:32:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r
[2020-09-25 05:32:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure drand48
[2020-09-25 05:32:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure erand48
[2020-09-25 05:32:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48
[2020-09-25 05:32:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48
[2020-09-25 05:32:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48
[2020-09-25 05:32:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48
[2020-09-25 05:32:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure srand48
[2020-09-25 05:32:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure seed48
[2020-09-25 05:32:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48
[2020-09-25 05:32:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r
[2020-09-25 05:32:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r
[2020-09-25 05:32:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r
[2020-09-25 05:32:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r
[2020-09-25 05:32:32,998 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r
[2020-09-25 05:32:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r
[2020-09-25 05:32:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r
[2020-09-25 05:32:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r
[2020-09-25 05:32:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r
[2020-09-25 05:32:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 05:32:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2020-09-25 05:32:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure realloc
[2020-09-25 05:32:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 05:32:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure cfree
[2020-09-25 05:32:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure alloca
[2020-09-25 05:32:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure valloc
[2020-09-25 05:32:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign
[2020-09-25 05:32:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc
[2020-09-25 05:32:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 05:32:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure atexit
[2020-09-25 05:32:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit
[2020-09-25 05:32:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit
[2020-09-25 05:32:33,002 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2020-09-25 05:32:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit
[2020-09-25 05:32:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit
[2020-09-25 05:32:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure getenv
[2020-09-25 05:32:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure putenv
[2020-09-25 05:32:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure setenv
[2020-09-25 05:32:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv
[2020-09-25 05:32:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv
[2020-09-25 05:32:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp
[2020-09-25 05:32:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp
[2020-09-25 05:32:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps
[2020-09-25 05:32:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp
[2020-09-25 05:32:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure system
[2020-09-25 05:32:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure realpath
[2020-09-25 05:32:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch
[2020-09-25 05:32:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure qsort
[2020-09-25 05:32:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure abs
[2020-09-25 05:32:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure labs
[2020-09-25 05:32:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure llabs
[2020-09-25 05:32:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure div
[2020-09-25 05:32:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv
[2020-09-25 05:32:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv
[2020-09-25 05:32:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt
[2020-09-25 05:32:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt
[2020-09-25 05:32:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt
[2020-09-25 05:32:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt
[2020-09-25 05:32:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt
[2020-09-25 05:32:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt
[2020-09-25 05:32:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r
[2020-09-25 05:32:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r
[2020-09-25 05:32:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r
[2020-09-25 05:32:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r
[2020-09-25 05:32:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure mblen
[2020-09-25 05:32:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc
[2020-09-25 05:32:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb
[2020-09-25 05:32:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs
[2020-09-25 05:32:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs
[2020-09-25 05:32:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch
[2020-09-25 05:32:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt
[2020-09-25 05:32:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg
[2020-09-25 05:32:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 05:32:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 05:32:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 05:32:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 05:32:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 05:32:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 05:32:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 05:32:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 05:32:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 05:32:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 05:32:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 05:32:33,632 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 05:32:33,633 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-09-25 05:32:33,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:32:33 BoogieIcfgContainer
[2020-09-25 05:32:33,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 05:32:33,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 05:32:33,640 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 05:32:33,644 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 05:32:33,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:32:32" (1/3) ...
[2020-09-25 05:32:33,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb9b97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:32:33, skipping insertion in model container
[2020-09-25 05:32:33,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:32:32" (2/3) ...
[2020-09-25 05:32:33,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb9b97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:32:33, skipping insertion in model container
[2020-09-25 05:32:33,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:32:33" (3/3) ...
[2020-09-25 05:32:33,649 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue-2.i
[2020-09-25 05:32:33,661 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 05:32:33,672 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 05:32:33,693 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 05:32:33,726 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 05:32:33,727 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 05:32:33,727 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 05:32:33,727 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 05:32:33,727 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 05:32:33,727 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 05:32:33,727 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 05:32:33,728 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 05:32:33,752 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states.
[2020-09-25 05:32:33,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2020-09-25 05:32:33,761 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:32:33,762 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 05:32:33,763 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:32:33,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:32:33,769 INFO L82 PathProgramCache]: Analyzing trace with hash -65050132, now seen corresponding path program 1 times
[2020-09-25 05:32:33,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:32:33,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1525050888]
[2020-09-25 05:32:33,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:32:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:32:33,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:32:34,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:32:34,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:32:34,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38
[2020-09-25 05:32:34,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 05:32:34,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296
[2020-09-25 05:32:34,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:32:34,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:32:34,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:32:34,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19
[2020-09-25 05:32:34,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:32:34,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 05:32:34,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 05:32:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 05:32:34,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 05:32:34,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 05:32:34,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 05:32:34,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 05:32:34,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44
[2020-09-25 05:32:34,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 05:32:34,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4
[2020-09-25 05:32:34,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 05:32:34,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 05:32:34,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 05:32:34,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 05:32:34,397 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 05:32:34,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1525050888]
[2020-09-25 05:32:34,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 05:32:34,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 05:32:34,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396980558]
[2020-09-25 05:32:34,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 05:32:34,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 05:32:34,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 05:32:34,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 05:32:34,427 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 3 states.
[2020-09-25 05:32:34,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 05:32:34,709 INFO L93 Difference]: Finished difference Result 154 states and 181 transitions.
[2020-09-25 05:32:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 05:32:34,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31
[2020-09-25 05:32:34,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 05:32:34,733 INFO L225 Difference]: With dead ends: 154
[2020-09-25 05:32:34,733 INFO L226 Difference]: Without dead ends: 76
[2020-09-25 05:32:34,739 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 05:32:34,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2020-09-25 05:32:34,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2020-09-25 05:32:34,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states.
[2020-09-25 05:32:34,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions.
[2020-09-25 05:32:34,811 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 31
[2020-09-25 05:32:34,812 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 05:32:34,812 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions.
[2020-09-25 05:32:34,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 05:32:34,812 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions.
[2020-09-25 05:32:34,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2020-09-25 05:32:34,815 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 05:32:34,816 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]
[2020-09-25 05:32:34,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 05:32:34,817 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 05:32:34,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 05:32:34,817 INFO L82 PathProgramCache]: Analyzing trace with hash 30028786, now seen corresponding path program 1 times
[2020-09-25 05:32:34,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 05:32:34,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407422058]
[2020-09-25 05:32:34,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 05:32:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 05:32:34,888 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 05:32:34,888 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 05:32:34,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 05:32:34,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 05:32:34 BoogieIcfgContainer
[2020-09-25 05:32:34,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 05:32:34,920 INFO L168 Benchmark]: Toolchain (without parser) took 2838.89 ms. Allocated memory was 145.8 MB in the beginning and 235.9 MB in the end (delta: 90.2 MB). Free memory was 100.0 MB in the beginning and 171.4 MB in the end (delta: -71.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB.
[2020-09-25 05:32:34,921 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 145.8 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 05:32:34,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 739.17 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 99.3 MB in the beginning and 171.6 MB in the end (delta: -72.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB.
[2020-09-25 05:32:34,923 INFO L168 Benchmark]: Boogie Preprocessor took 79.13 ms. Allocated memory is still 203.9 MB. Free memory was 171.6 MB in the beginning and 168.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB.
[2020-09-25 05:32:34,924 INFO L168 Benchmark]: RCFGBuilder took 734.92 ms. Allocated memory is still 203.9 MB. Free memory was 167.9 MB in the beginning and 117.8 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 7.1 GB.
[2020-09-25 05:32:34,925 INFO L168 Benchmark]: TraceAbstraction took 1276.21 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 117.8 MB in the beginning and 171.4 MB in the end (delta: -53.6 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 05:32:34,929 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28 ms. Allocated memory is still 145.8 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 739.17 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 99.3 MB in the beginning and 171.6 MB in the end (delta: -72.3 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 79.13 ms. Allocated memory is still 203.9 MB. Free memory was 171.6 MB in the beginning and 168.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 734.92 ms. Allocated memory is still 203.9 MB. Free memory was 167.9 MB in the beginning and 117.8 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1276.21 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 117.8 MB in the beginning and 171.4 MB in the end (delta: -53.6 MB). There was no memory consumed. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 1042]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L988] SLL* head = malloc(sizeof(SLL));
[L989] head->next = ((void*)0)
[L990] head->data = 0
[L992] SLL* x = head;
[L995] COND FALSE !(__VERIFIER_nondet_int())
[L1005] COND TRUE __VERIFIER_nondet_int()
[L1006] x = malloc(sizeof(SLL))
[L1007] x->data = 1
[L1008] x->next = head
[L1009] head = x
[L1029] x = head
[L1032] EXPR x->data
[L1032] COND FALSE !(x->data != 1)
[L1038] EXPR x->next
[L1038] x = x->next
[L1039] COND TRUE \read(*x)
[L1041] EXPR x->data
[L1041] COND TRUE x->data != 1
[L1042] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 93 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 88 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 1170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...