/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=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_add-1.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 06:41:18,671 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 06:41:18,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 06:41:18,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 06:41:18,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 06:41:18,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 06:41:18,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 06:41:18,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 06:41:18,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 06:41:18,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 06:41:18,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 06:41:18,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 06:41:18,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 06:41:18,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 06:41:18,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 06:41:18,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 06:41:18,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 06:41:18,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 06:41:18,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 06:41:18,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 06:41:18,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 06:41:18,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 06:41:18,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 06:41:18,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 06:41:18,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 06:41:18,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 06:41:18,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 06:41:18,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 06:41:18,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 06:41:18,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 06:41:18,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 06:41:18,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 06:41:18,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 06:41:18,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 06:41:18,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 06:41:18,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 06:41:18,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 06:41:18,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 06:41:18,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 06:41:18,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 06:41:18,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 06:41:18,804 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 06:41:18,843 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 06:41:18,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 06:41:18,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 06:41:18,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 06:41:18,845 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 06:41:18,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 06:41:18,845 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 06:41:18,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 06:41:18,846 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 06:41:18,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 06:41:18,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 06:41:18,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 06:41:18,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 06:41:18,847 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 06:41:18,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 06:41:18,847 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 06:41:18,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 06:41:18,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 06:41:18,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 06:41:18,848 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 06:41:18,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 06:41:18,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 06:41:18,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 06:41:18,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 06:41:18,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 06:41:18,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 06:41:18,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 06:41:18,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 06:41:18,850 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 06:41:18,850 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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;log-additional-information=true;
[2020-09-25 06:41:19,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 06:41:19,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 06:41:19,329 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 06:41:19,331 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 06:41:19,331 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 06:41:19,332 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-1.i
[2020-09-25 06:41:19,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5be2f37b/016f152ba00a4bb19ac8d4233f8f8cab/FLAGa488ed31f
[2020-09-25 06:41:19,993 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 06:41:19,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_add-1.i
[2020-09-25 06:41:20,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5be2f37b/016f152ba00a4bb19ac8d4233f8f8cab/FLAGa488ed31f
[2020-09-25 06:41:20,225 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5be2f37b/016f152ba00a4bb19ac8d4233f8f8cab
[2020-09-25 06:41:20,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 06:41:20,246 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 06:41:20,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 06:41:20,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 06:41:20,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 06:41:20,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:41:20" (1/1) ...
[2020-09-25 06:41:20,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c46eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:20, skipping insertion in model container
[2020-09-25 06:41:20,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:41:20" (1/1) ...
[2020-09-25 06:41:20,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 06:41:20,330 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 06:41:20,941 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 06:41:20,954 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 06:41:21,008 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 06:41:21,078 INFO L208 MainTranslator]: Completed translation
[2020-09-25 06:41:21,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:21 WrapperNode
[2020-09-25 06:41:21,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 06:41:21,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 06:41:21,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 06:41:21,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 06:41:21,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:21" (1/1) ...
[2020-09-25 06:41:21,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:21" (1/1) ...
[2020-09-25 06:41:21,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:21" (1/1) ...
[2020-09-25 06:41:21,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:21" (1/1) ...
[2020-09-25 06:41:21,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:21" (1/1) ...
[2020-09-25 06:41:21,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:21" (1/1) ...
[2020-09-25 06:41:21,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:21" (1/1) ...
[2020-09-25 06:41:21,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 06:41:21,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 06:41:21,166 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 06:41:21,166 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 06:41:21,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:21" (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 06:41:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 06:41:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 06:41:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32
[2020-09-25 06:41:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64
[2020-09-25 06:41:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-25 06:41:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2020-09-25 06:41:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc
[2020-09-25 06:41:21,247 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD
[2020-09-25 06:41:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add
[2020-09-25 06:41:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del
[2020-09-25 06:41:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add
[2020-09-25 06:41:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail
[2020-09-25 06:41:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del
[2020-09-25 06:41:21,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty
[2020-09-25 06:41:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set
[2020-09-25 06:41:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add
[2020-09-25 06:41:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del
[2020-09-25 06:41:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set
[2020-09-25 06:41:21,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty
[2020-09-25 06:41:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure foo
[2020-09-25 06:41:21,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 06:41:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32
[2020-09-25 06:41:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64
[2020-09-25 06:41:21,250 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2020-09-25 06:41:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure atof
[2020-09-25 06:41:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure atoi
[2020-09-25 06:41:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure atol
[2020-09-25 06:41:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure atoll
[2020-09-25 06:41:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure strtod
[2020-09-25 06:41:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure strtof
[2020-09-25 06:41:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure strtold
[2020-09-25 06:41:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure strtol
[2020-09-25 06:41:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul
[2020-09-25 06:41:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq
[2020-09-25 06:41:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq
[2020-09-25 06:41:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll
[2020-09-25 06:41:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull
[2020-09-25 06:41:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure l64a
[2020-09-25 06:41:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure a64l
[2020-09-25 06:41:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure select
[2020-09-25 06:41:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure pselect
[2020-09-25 06:41:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2020-09-25 06:41:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2020-09-25 06:41:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2020-09-25 06:41:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure random
[2020-09-25 06:41:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure srandom
[2020-09-25 06:41:21,254 INFO L130 BoogieDeclarations]: Found specification of procedure initstate
[2020-09-25 06:41:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure setstate
[2020-09-25 06:41:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure random_r
[2020-09-25 06:41:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r
[2020-09-25 06:41:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r
[2020-09-25 06:41:21,255 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r
[2020-09-25 06:41:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure rand
[2020-09-25 06:41:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure srand
[2020-09-25 06:41:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r
[2020-09-25 06:41:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure drand48
[2020-09-25 06:41:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure erand48
[2020-09-25 06:41:21,256 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48
[2020-09-25 06:41:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48
[2020-09-25 06:41:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48
[2020-09-25 06:41:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48
[2020-09-25 06:41:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure srand48
[2020-09-25 06:41:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure seed48
[2020-09-25 06:41:21,257 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48
[2020-09-25 06:41:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r
[2020-09-25 06:41:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r
[2020-09-25 06:41:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r
[2020-09-25 06:41:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r
[2020-09-25 06:41:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r
[2020-09-25 06:41:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r
[2020-09-25 06:41:21,258 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r
[2020-09-25 06:41:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r
[2020-09-25 06:41:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r
[2020-09-25 06:41:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 06:41:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2020-09-25 06:41:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure realloc
[2020-09-25 06:41:21,259 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-09-25 06:41:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure cfree
[2020-09-25 06:41:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure alloca
[2020-09-25 06:41:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure valloc
[2020-09-25 06:41:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign
[2020-09-25 06:41:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 06:41:21,260 INFO L130 BoogieDeclarations]: Found specification of procedure atexit
[2020-09-25 06:41:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit
[2020-09-25 06:41:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2020-09-25 06:41:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit
[2020-09-25 06:41:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure getenv
[2020-09-25 06:41:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure putenv
[2020-09-25 06:41:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure setenv
[2020-09-25 06:41:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv
[2020-09-25 06:41:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv
[2020-09-25 06:41:21,261 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp
[2020-09-25 06:41:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp
[2020-09-25 06:41:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps
[2020-09-25 06:41:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp
[2020-09-25 06:41:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure system
[2020-09-25 06:41:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure realpath
[2020-09-25 06:41:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch
[2020-09-25 06:41:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure qsort
[2020-09-25 06:41:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure abs
[2020-09-25 06:41:21,262 INFO L130 BoogieDeclarations]: Found specification of procedure labs
[2020-09-25 06:41:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure llabs
[2020-09-25 06:41:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure div
[2020-09-25 06:41:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv
[2020-09-25 06:41:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv
[2020-09-25 06:41:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt
[2020-09-25 06:41:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt
[2020-09-25 06:41:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt
[2020-09-25 06:41:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt
[2020-09-25 06:41:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt
[2020-09-25 06:41:21,263 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt
[2020-09-25 06:41:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r
[2020-09-25 06:41:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r
[2020-09-25 06:41:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r
[2020-09-25 06:41:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r
[2020-09-25 06:41:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure mblen
[2020-09-25 06:41:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc
[2020-09-25 06:41:21,264 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb
[2020-09-25 06:41:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs
[2020-09-25 06:41:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs
[2020-09-25 06:41:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch
[2020-09-25 06:41:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt
[2020-09-25 06:41:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg
[2020-09-25 06:41:21,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 06:41:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-25 06:41:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 06:41:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc
[2020-09-25 06:41:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 06:41:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc
[2020-09-25 06:41:21,266 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD
[2020-09-25 06:41:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-25 06:41:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add
[2020-09-25 06:41:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del
[2020-09-25 06:41:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add
[2020-09-25 06:41:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-25 06:41:21,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail
[2020-09-25 06:41:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del
[2020-09-25 06:41:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty
[2020-09-25 06:41:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set
[2020-09-25 06:41:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add
[2020-09-25 06:41:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del
[2020-09-25 06:41:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set
[2020-09-25 06:41:21,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty
[2020-09-25 06:41:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 06:41:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 06:41:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 06:41:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure foo
[2020-09-25 06:41:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 06:41:21,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 06:41:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 06:41:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2020-09-25 06:41:21,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 06:41:21,968 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 06:41:21,968 INFO L295 CfgBuilder]: Removed 2 assume(true) statements.
[2020-09-25 06:41:21,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:41:21 BoogieIcfgContainer
[2020-09-25 06:41:21,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 06:41:21,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 06:41:21,976 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 06:41:21,980 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 06:41:21,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:41:20" (1/3) ...
[2020-09-25 06:41:21,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c653ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:41:21, skipping insertion in model container
[2020-09-25 06:41:21,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:41:21" (2/3) ...
[2020-09-25 06:41:21,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c653ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:41:21, skipping insertion in model container
[2020-09-25 06:41:21,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:41:21" (3/3) ...
[2020-09-25 06:41:21,985 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-1.i
[2020-09-25 06:41:21,998 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 06:41:22,010 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 06:41:22,034 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 06:41:22,067 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 06:41:22,067 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 06:41:22,067 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 06:41:22,067 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 06:41:22,068 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 06:41:22,068 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 06:41:22,068 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 06:41:22,068 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 06:41:22,094 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states.
[2020-09-25 06:41:22,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2020-09-25 06:41:22,105 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 06:41:22,106 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:41:22,107 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:41:22,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:41:22,115 INFO L82 PathProgramCache]: Analyzing trace with hash -773204813, now seen corresponding path program 1 times
[2020-09-25 06:41:22,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:41:22,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316194195]
[2020-09-25 06:41:22,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:41:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:41:22,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:22,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:23,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:41:23,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65
[2020-09-25 06:41:23,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 06:41:23,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 770
[2020-09-25 06:41:23,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:41:23,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:41:23,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 06:41:23,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39
[2020-09-25 06:41:23,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 06:41:23,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6
[2020-09-25 06:41:23,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:41:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:41:23,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:23,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:41:23,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 06:41:23,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:41:23,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20
[2020-09-25 06:41:23,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:41:23,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:41:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:41:23,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:41:23,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:41:23,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 06:41:23,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2020-09-25 06:41:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:41:23,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:23,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:41:23,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27
[2020-09-25 06:41:23,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:41:23,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54
[2020-09-25 06:41:23,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:41:23,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:41:23,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 06:41:23,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 06:41:23,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 06:41:23,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:41:23,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 06:41:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:41:23,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:23,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:41:23,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-25 06:41:23,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:41:23,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35
[2020-09-25 06:41:23,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:41:23,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:41:23,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 06:41:23,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:41:23,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 06:41:23,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:41:23,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2020-09-25 06:41:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:41:23,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:23,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:41:23,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-25 06:41:23,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:41:23,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-25 06:41:23,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:41:23,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:41:23,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:41:23,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14
[2020-09-25 06:41:23,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:41:23,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:41:23,429 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2020-09-25 06:41:23,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316194195]
[2020-09-25 06:41:23,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2020-09-25 06:41:23,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6
[2020-09-25 06:41:23,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615313245]
[2020-09-25 06:41:23,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 06:41:23,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:41:23,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 06:41:23,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 06:41:23,462 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 6 states.
[2020-09-25 06:41:24,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:41:24,139 INFO L93 Difference]: Finished difference Result 184 states and 205 transitions.
[2020-09-25 06:41:24,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 06:41:24,141 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50
[2020-09-25 06:41:24,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:41:24,157 INFO L225 Difference]: With dead ends: 184
[2020-09-25 06:41:24,157 INFO L226 Difference]: Without dead ends: 95
[2020-09-25 06:41:24,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2020-09-25 06:41:24,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2020-09-25 06:41:24,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87.
[2020-09-25 06:41:24,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states.
[2020-09-25 06:41:24,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions.
[2020-09-25 06:41:24,233 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 50
[2020-09-25 06:41:24,234 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:41:24,234 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions.
[2020-09-25 06:41:24,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 06:41:24,234 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions.
[2020-09-25 06:41:24,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2020-09-25 06:41:24,238 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 06:41:24,238 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:41:24,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 06:41:24,239 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:41:24,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:41:24,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1962919132, now seen corresponding path program 1 times
[2020-09-25 06:41:24,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:41:24,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801380563]
[2020-09-25 06:41:24,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:41:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:41:24,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:24,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:25,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:29,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:41:29,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68
[2020-09-25 06:41:29,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3
[2020-09-25 06:41:29,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006
[2020-09-25 06:41:29,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:41:29,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:41:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 06:41:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61
[2020-09-25 06:41:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 06:41:29,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:41:29,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:41:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:41:29,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:29,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:41:29,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 06:41:29,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:41:29,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-25 06:41:29,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:41:29,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:41:29,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:41:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:41:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:41:29,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:41:29,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2020-09-25 06:41:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:41:29,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:29,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:41:29,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30
[2020-09-25 06:41:29,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:41:29,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14
[2020-09-25 06:41:29,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:41:29,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:41:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:41:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:41:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:41:29,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:41:29,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 06:41:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:41:29,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:29,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:41:29,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20
[2020-09-25 06:41:29,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:41:29,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 06:41:29,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:41:29,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:41:29,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 06:41:29,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:41:29,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 06:41:29,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:41:29,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-09-25 06:41:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:41:29,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:29,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:41:29,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17
[2020-09-25 06:41:29,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:41:29,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27
[2020-09-25 06:41:29,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:41:29,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:41:29,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 06:41:29,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:41:29,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12
[2020-09-25 06:41:29,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:41:29,475 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2020-09-25 06:41:29,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801380563]
[2020-09-25 06:41:29,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:41:29,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-25 06:41:29,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349764997]
[2020-09-25 06:41:29,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-25 06:41:29,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:41:29,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-25 06:41:29,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-25 06:41:29,480 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand 6 states.
[2020-09-25 06:41:29,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:41:29,834 INFO L93 Difference]: Finished difference Result 102 states and 106 transitions.
[2020-09-25 06:41:29,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2020-09-25 06:41:29,835 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53
[2020-09-25 06:41:29,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:41:29,837 INFO L225 Difference]: With dead ends: 102
[2020-09-25 06:41:29,837 INFO L226 Difference]: Without dead ends: 95
[2020-09-25 06:41:29,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2020-09-25 06:41:29,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2020-09-25 06:41:29,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87.
[2020-09-25 06:41:29,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states.
[2020-09-25 06:41:29,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 90 transitions.
[2020-09-25 06:41:29,852 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 90 transitions. Word has length 53
[2020-09-25 06:41:29,853 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:41:29,853 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 90 transitions.
[2020-09-25 06:41:29,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-25 06:41:29,853 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions.
[2020-09-25 06:41:29,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2020-09-25 06:41:29,856 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 06:41:29,856 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 06:41:29,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 06:41:29,856 INFO L427 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:41:29,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:41:29,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1545179603, now seen corresponding path program 1 times
[2020-09-25 06:41:29,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:41:29,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401983146]
[2020-09-25 06:41:29,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:41:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:41:29,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:30,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:33,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:41:33,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71
[2020-09-25 06:41:33,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 06:41:33,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3576
[2020-09-25 06:41:33,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:41:33,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:41:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13
[2020-09-25 06:41:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10
[2020-09-25 06:41:33,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51
[2020-09-25 06:41:33,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:41:33,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 06:41:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:41:33,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:33,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:41:33,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 06:41:33,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:41:33,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18
[2020-09-25 06:41:33,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:41:33,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:41:33,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:41:33,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:41:33,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 06:41:33,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:41:33,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2020-09-25 06:41:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:41:33,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:33,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:33,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:41:33,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30
[2020-09-25 06:41:33,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 06:41:33,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180
[2020-09-25 06:41:33,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:41:33,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:41:33,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-25 06:41:33,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1
[2020-09-25 06:41:33,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29
[2020-09-25 06:41:33,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:41:33,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-09-25 06:41:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:41:33,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:33,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:41:33,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20
[2020-09-25 06:41:33,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:41:33,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21
[2020-09-25 06:41:33,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:41:33,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:41:33,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 06:41:33,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 06:41:33,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16
[2020-09-25 06:41:33,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:41:33,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-09-25 06:41:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 06:41:33,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 06:41:33,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 06:41:33,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20
[2020-09-25 06:41:33,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 06:41:33,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61
[2020-09-25 06:41:33,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 06:41:33,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6
[2020-09-25 06:41:33,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7
[2020-09-25 06:41:33,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4
[2020-09-25 06:41:33,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-25 06:41:33,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 06:41:34,215 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-09-25 06:41:34,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401983146]
[2020-09-25 06:41:34,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 06:41:34,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-09-25 06:41:34,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436769755]
[2020-09-25 06:41:34,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-09-25 06:41:34,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 06:41:34,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-09-25 06:41:34,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2020-09-25 06:41:34,219 INFO L87 Difference]: Start difference. First operand 87 states and 90 transitions. Second operand 11 states.
[2020-09-25 06:41:34,652 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61
[2020-09-25 06:41:34,900 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65
[2020-09-25 06:41:35,102 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74
[2020-09-25 06:41:35,768 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55
[2020-09-25 06:41:35,985 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59
[2020-09-25 06:41:36,120 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68
[2020-09-25 06:41:36,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 06:41:36,244 INFO L93 Difference]: Finished difference Result 147 states and 154 transitions.
[2020-09-25 06:41:36,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2020-09-25 06:41:36,244 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 56
[2020-09-25 06:41:36,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 06:41:36,247 INFO L225 Difference]: With dead ends: 147
[2020-09-25 06:41:36,247 INFO L226 Difference]: Without dead ends: 132
[2020-09-25 06:41:36,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=227, Invalid=529, Unknown=0, NotChecked=0, Total=756
[2020-09-25 06:41:36,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states.
[2020-09-25 06:41:36,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 101.
[2020-09-25 06:41:36,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states.
[2020-09-25 06:41:36,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions.
[2020-09-25 06:41:36,262 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 56
[2020-09-25 06:41:36,262 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 06:41:36,263 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions.
[2020-09-25 06:41:36,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-09-25 06:41:36,263 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions.
[2020-09-25 06:41:36,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2020-09-25 06:41:36,266 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 06:41:36,266 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:36,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 06:41:36,267 INFO L427 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 06:41:36,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 06:41:36,267 INFO L82 PathProgramCache]: Analyzing trace with hash -2001576911, now seen corresponding path program 1 times
[2020-09-25 06:41:36,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 06:41:36,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [662367327]
[2020-09-25 06:41:36,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 06:41:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 06:41:36,336 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 06:41:36,336 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 06:41:36,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 06:41:36,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 06:41:36 BoogieIcfgContainer
[2020-09-25 06:41:36,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 06:41:36,375 INFO L168 Benchmark]: Toolchain (without parser) took 16133.56 ms. Allocated memory was 138.9 MB in the beginning and 354.4 MB in the end (delta: 215.5 MB). Free memory was 101.0 MB in the beginning and 115.6 MB in the end (delta: -14.6 MB). Peak memory consumption was 200.9 MB. Max. memory is 7.1 GB.
[2020-09-25 06:41:36,376 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 06:41:36,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.14 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.4 MB in the beginning and 164.1 MB in the end (delta: -63.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB.
[2020-09-25 06:41:36,379 INFO L168 Benchmark]: Boogie Preprocessor took 85.75 ms. Allocated memory is still 202.4 MB. Free memory was 164.1 MB in the beginning and 160.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB.
[2020-09-25 06:41:36,382 INFO L168 Benchmark]: RCFGBuilder took 808.57 ms. Allocated memory is still 202.4 MB. Free memory was 160.7 MB in the beginning and 95.9 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 7.1 GB.
[2020-09-25 06:41:36,390 INFO L168 Benchmark]: TraceAbstraction took 14395.89 ms. Allocated memory was 202.4 MB in the beginning and 354.4 MB in the end (delta: 152.0 MB). Free memory was 95.2 MB in the beginning and 115.6 MB in the end (delta: -20.4 MB). Peak memory consumption was 131.7 MB. Max. memory is 7.1 GB.
[2020-09-25 06:41:36,398 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 832.14 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.4 MB in the beginning and 164.1 MB in the end (delta: -63.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 85.75 ms. Allocated memory is still 202.4 MB. Free memory was 164.1 MB in the beginning and 160.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 808.57 ms. Allocated memory is still 202.4 MB. Free memory was 160.7 MB in the beginning and 95.9 MB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 14395.89 ms. Allocated memory was 202.4 MB in the beginning and 354.4 MB in the end (delta: 152.0 MB). Free memory was 95.2 MB in the beginning and 115.6 MB in the end (delta: -20.4 MB). Peak memory consumption was 131.7 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 656]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L651] struct ldv_list_head s1 = { &(s1), &(s1) };
[L660] CALL foo()
[L654] int j = __VERIFIER_nondet_int();
[L655] CALL ldv_set_add(j, &s1)
[L622] CALL, EXPR ldv_is_in_set(new, s)
[L640] struct ldv_list_element *m;
[L641] EXPR (s)->next
[L641] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next);
[L641] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );})
[L641] COND FALSE !(&m->list != (s))
[L646] return 0;
[L622] RET, EXPR ldv_is_in_set(new, s)
[L622] COND TRUE !ldv_is_in_set(new, s)
[L623] struct ldv_list_element *le;
[L624] CALL, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element))
[L565] void *ptr = malloc(size);
[L566] CALL assume_abort_if_not(ptr!=0)
[L554] COND FALSE !(!cond)
[L566] RET assume_abort_if_not(ptr!=0)
[L567] return ptr;
[L624] RET, EXPR ldv_successful_malloc(sizeof(struct ldv_list_element))
[L624] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element))
[L625] le->e = new
[L626] CALL ldv_list_add(&le->list, s)
[L594] EXPR head->next
[L594] CALL __ldv_list_add(new, head, head->next)
[L582] next->prev = new
[L583] new->next = next
[L584] new->prev = prev
[L585] prev->next = new
[L594] RET __ldv_list_add(new, head, head->next)
[L626] RET ldv_list_add(&le->list, s)
[L655] RET ldv_set_add(j, &s1)
[L656] CALL ldv_is_in_set(j, &s1)
[L640] struct ldv_list_element *m;
[L641] EXPR (s)->next
[L641] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next);
[L641] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );})
[L641] COND TRUE &m->list != (s)
[L642] EXPR m->e
[L642] COND TRUE m->e == e
[L643] return 1;
[L656] RET ldv_is_in_set(j, &s1)
[L656] COND TRUE ldv_is_in_set(j, &s1)
[L656] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 21 procedures, 181 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.2s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 236 SDtfs, 659 SDslu, 206 SDs, 0 SdLazy, 678 SolverSat, 110 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=3, 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, 3 MinimizatonAttempts, 47 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 245 NumberOfCodeBlocks, 245 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 38537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 33/35 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...