/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=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i


--------------------------------------------------------------------------------


This is Ultimate 0.1.25-c90d42b
[2020-09-25 08:01:33,566 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-25 08:01:33,570 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 08:01:33,596 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 08:01:33,596 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 08:01:33,598 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 08:01:33,599 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 08:01:33,601 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 08:01:33,603 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 08:01:33,604 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 08:01:33,605 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 08:01:33,607 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 08:01:33,607 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 08:01:33,608 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 08:01:33,609 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 08:01:33,610 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 08:01:33,611 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 08:01:33,613 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 08:01:33,614 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 08:01:33,616 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 08:01:33,618 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 08:01:33,619 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 08:01:33,621 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 08:01:33,622 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 08:01:33,625 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 08:01:33,625 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 08:01:33,625 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 08:01:33,626 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 08:01:33,627 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 08:01:33,628 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 08:01:33,628 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 08:01:33,629 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 08:01:33,630 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 08:01:33,631 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 08:01:33,632 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 08:01:33,633 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 08:01:33,634 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 08:01:33,634 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 08:01:33,634 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 08:01:33,636 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 08:01:33,637 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 08:01:33,638 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 08:01:33,697 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-25 08:01:33,697 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 08:01:33,699 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 08:01:33,699 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-25 08:01:33,699 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-25 08:01:33,699 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 08:01:33,700 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-09-25 08:01:33,700 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-25 08:01:33,700 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-09-25 08:01:33,700 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-25 08:01:33,700 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 08:01:33,700 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 08:01:33,704 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 08:01:33,704 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-09-25 08:01:33,705 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-25 08:01:33,705 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-25 08:01:33,705 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-25 08:01:33,706 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 08:01:33,706 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-25 08:01:33,706 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-25 08:01:33,706 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-25 08:01:33,706 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 08:01:33,707 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 08:01:33,707 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 08:01:33,707 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 08:01:33,707 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-25 08:01:33,707 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 08:01:33,708 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 08:01:33,708 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-25 08:01:33,709 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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;log-additional-information=true;
[2020-09-25 08:01:34,216 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 08:01:34,233 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 08:01:34,238 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 08:01:34,240 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-25 08:01:34,241 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-25 08:01:34,242 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i
[2020-09-25 08:01:34,324 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f58334dd/f68cbcf7afd3417d9964631f8cc2f326/FLAGabfc29513
[2020-09-25 08:01:34,927 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-25 08:01:34,928 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i
[2020-09-25 08:01:34,940 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f58334dd/f68cbcf7afd3417d9964631f8cc2f326/FLAGabfc29513
[2020-09-25 08:01:35,229 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f58334dd/f68cbcf7afd3417d9964631f8cc2f326
[2020-09-25 08:01:35,245 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 08:01:35,251 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 08:01:35,253 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 08:01:35,253 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 08:01:35,257 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 08:01:35,258 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:01:35" (1/1) ...
[2020-09-25 08:01:35,263 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9d6996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:35, skipping insertion in model container
[2020-09-25 08:01:35,263 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:01:35" (1/1) ...
[2020-09-25 08:01:35,273 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-25 08:01:35,313 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-25 08:01:35,564 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 08:01:35,576 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-25 08:01:35,694 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-25 08:01:35,730 INFO  L208         MainTranslator]: Completed translation
[2020-09-25 08:01:35,730 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:35 WrapperNode
[2020-09-25 08:01:35,731 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 08:01:35,732 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 08:01:35,732 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 08:01:35,732 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 08:01:35,746 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:35" (1/1) ...
[2020-09-25 08:01:35,746 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:35" (1/1) ...
[2020-09-25 08:01:35,759 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:35" (1/1) ...
[2020-09-25 08:01:35,760 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:35" (1/1) ...
[2020-09-25 08:01:35,774 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:35" (1/1) ...
[2020-09-25 08:01:35,783 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:35" (1/1) ...
[2020-09-25 08:01:35,786 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:35" (1/1) ...
[2020-09-25 08:01:35,790 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 08:01:35,791 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 08:01:35,791 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 08:01:35,791 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-25 08:01:35,793 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:35" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 08:01:35,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 08:01:35,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 08:01:35,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-25 08:01:35,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure r_strncpy
[2020-09-25 08:01:35,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure parse_expression_list
[2020-09-25 08:01:35,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 08:01:35,873 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 08:01:35,873 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2020-09-25 08:01:35,873 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 08:01:35,874 INFO  L130     BoogieDeclarations]: Found specification of procedure strchr
[2020-09-25 08:01:35,874 INFO  L130     BoogieDeclarations]: Found specification of procedure strrchr
[2020-09-25 08:01:35,874 INFO  L130     BoogieDeclarations]: Found specification of procedure strstr
[2020-09-25 08:01:35,874 INFO  L130     BoogieDeclarations]: Found specification of procedure strncpy
[2020-09-25 08:01:35,874 INFO  L130     BoogieDeclarations]: Found specification of procedure strncpy_ptr
[2020-09-25 08:01:35,874 INFO  L130     BoogieDeclarations]: Found specification of procedure strcpy
[2020-09-25 08:01:35,875 INFO  L130     BoogieDeclarations]: Found specification of procedure strlen
[2020-09-25 08:01:35,875 INFO  L130     BoogieDeclarations]: Found specification of procedure strncmp
[2020-09-25 08:01:35,875 INFO  L130     BoogieDeclarations]: Found specification of procedure strcmp
[2020-09-25 08:01:35,875 INFO  L130     BoogieDeclarations]: Found specification of procedure strcat
[2020-09-25 08:01:35,875 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy
[2020-09-25 08:01:35,875 INFO  L130     BoogieDeclarations]: Found specification of procedure isascii
[2020-09-25 08:01:35,876 INFO  L130     BoogieDeclarations]: Found specification of procedure isspace
[2020-09-25 08:01:35,876 INFO  L130     BoogieDeclarations]: Found specification of procedure getc
[2020-09-25 08:01:35,876 INFO  L130     BoogieDeclarations]: Found specification of procedure strrand
[2020-09-25 08:01:35,876 INFO  L130     BoogieDeclarations]: Found specification of procedure istrrand
[2020-09-25 08:01:35,876 INFO  L130     BoogieDeclarations]: Found specification of procedure istrchr
[2020-09-25 08:01:35,877 INFO  L130     BoogieDeclarations]: Found specification of procedure istrrchr
[2020-09-25 08:01:35,877 INFO  L130     BoogieDeclarations]: Found specification of procedure istrncmp
[2020-09-25 08:01:35,877 INFO  L130     BoogieDeclarations]: Found specification of procedure istrstr
[2020-09-25 08:01:35,877 INFO  L130     BoogieDeclarations]: Found specification of procedure r_strncpy
[2020-09-25 08:01:35,877 INFO  L130     BoogieDeclarations]: Found specification of procedure r_strcpy
[2020-09-25 08:01:35,877 INFO  L130     BoogieDeclarations]: Found specification of procedure r_strcat
[2020-09-25 08:01:35,878 INFO  L130     BoogieDeclarations]: Found specification of procedure r_strncat
[2020-09-25 08:01:35,878 INFO  L130     BoogieDeclarations]: Found specification of procedure r_memcpy
[2020-09-25 08:01:35,878 INFO  L130     BoogieDeclarations]: Found specification of procedure parse_expression_list
[2020-09-25 08:01:35,878 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 08:01:35,878 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 08:01:35,878 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 08:01:35,879 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 08:01:35,879 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-25 08:01:35,879 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 08:01:35,879 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 08:01:36,442 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 08:01:36,443 INFO  L295             CfgBuilder]: Removed 4 assume(true) statements.
[2020-09-25 08:01:36,450 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:01:36 BoogieIcfgContainer
[2020-09-25 08:01:36,450 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 08:01:36,452 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 08:01:36,452 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 08:01:36,456 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-25 08:01:36,456 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:01:35" (1/3) ...
[2020-09-25 08:01:36,457 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e0526a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:01:36, skipping insertion in model container
[2020-09-25 08:01:36,458 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:35" (2/3) ...
[2020-09-25 08:01:36,458 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e0526a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:01:36, skipping insertion in model container
[2020-09-25 08:01:36,458 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:01:36" (3/3) ...
[2020-09-25 08:01:36,461 INFO  L109   eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i
[2020-09-25 08:01:36,474 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 08:01:36,485 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 08:01:36,510 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 08:01:36,542 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-25 08:01:36,543 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-25 08:01:36,543 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 08:01:36,543 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 08:01:36,543 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 08:01:36,543 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-25 08:01:36,543 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 08:01:36,544 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 08:01:36,570 INFO  L276                IsEmpty]: Start isEmpty. Operand 135 states.
[2020-09-25 08:01:36,580 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2020-09-25 08:01:36,581 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 08:01:36,582 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 08:01:36,582 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:01:36,589 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:01:36,589 INFO  L82        PathProgramCache]: Analyzing trace with hash 593727157, now seen corresponding path program 1 times
[2020-09-25 08:01:36,600 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:01:36,601 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1281738421]
[2020-09-25 08:01:36,601 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:01:36,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:36,774 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:36,845 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:36,929 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:37,027 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:37,574 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:37,614 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:37,675 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:38,416 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:39,626 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:39,627 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 64
[2020-09-25 08:01:39,627 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 8
[2020-09-25 08:01:39,627 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 2878
[2020-09-25 08:01:39,632 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:39,633 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:39,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:39,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 16
[2020-09-25 08:01:39,633 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:39,633 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 08:01:39,705 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:01:39,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:39,712 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:39,718 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:39,718 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:01:39,718 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:39,719 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 08:01:39,719 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:39,720 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:39,720 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:39,720 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:01:39,720 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:39,721 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:39,726 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37
[2020-09-25 08:01:39,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:39,736 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:39,744 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:39,744 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 08:01:39,744 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:39,745 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 08:01:39,745 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:39,745 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:39,746 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:39,747 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 11
[2020-09-25 08:01:39,747 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:39,747 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 08:01:39,760 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 08:01:39,762 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1281738421]
[2020-09-25 08:01:39,765 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:01:39,765 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 08:01:39,767 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462469909]
[2020-09-25 08:01:39,776 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 08:01:39,780 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:01:39,798 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 08:01:39,799 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 08:01:39,802 INFO  L87              Difference]: Start difference. First operand 135 states. Second operand 3 states.
[2020-09-25 08:01:40,247 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:01:40,248 INFO  L93              Difference]: Finished difference Result 254 states and 290 transitions.
[2020-09-25 08:01:40,248 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-09-25 08:01:40,250 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 51
[2020-09-25 08:01:40,251 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:01:40,266 INFO  L225             Difference]: With dead ends: 254
[2020-09-25 08:01:40,267 INFO  L226             Difference]: Without dead ends: 111
[2020-09-25 08:01:40,274 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 08:01:40,297 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2020-09-25 08:01:40,342 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111.
[2020-09-25 08:01:40,345 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 111 states.
[2020-09-25 08:01:40,352 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 121 transitions.
[2020-09-25 08:01:40,362 INFO  L78                 Accepts]: Start accepts. Automaton has 111 states and 121 transitions. Word has length 51
[2020-09-25 08:01:40,363 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:01:40,363 INFO  L479      AbstractCegarLoop]: Abstraction has 111 states and 121 transitions.
[2020-09-25 08:01:40,363 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 08:01:40,363 INFO  L276                IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions.
[2020-09-25 08:01:40,369 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2020-09-25 08:01:40,369 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 08:01:40,370 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 08:01:40,370 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 08:01:40,370 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:01:40,371 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:01:40,371 INFO  L82        PathProgramCache]: Analyzing trace with hash 1128985001, now seen corresponding path program 1 times
[2020-09-25 08:01:40,371 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:01:40,371 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387729333]
[2020-09-25 08:01:40,372 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:01:40,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:40,398 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:40,442 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:40,467 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:40,568 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:41,956 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:42,051 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:42,091 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:42,124 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:42,168 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:43,415 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:45,394 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:45,394 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 76
[2020-09-25 08:01:45,395 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 10
[2020-09-25 08:01:45,395 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5003
[2020-09-25 08:01:45,396 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:45,396 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:45,396 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:01:45,396 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 15
[2020-09-25 08:01:45,397 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 08:01:45,397 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:45,451 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:01:45,452 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:45,454 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:45,459 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:45,459 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:01:45,460 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:45,460 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 08:01:45,460 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:45,460 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:45,461 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:45,461 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:01:45,461 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:45,461 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:45,464 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2020-09-25 08:01:45,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:45,469 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:45,475 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:45,476 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 08:01:45,476 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:45,476 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 08:01:45,477 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:45,477 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:45,477 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:45,477 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 11
[2020-09-25 08:01:45,478 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:45,478 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:45,487 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 08:01:45,488 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1387729333]
[2020-09-25 08:01:45,488 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:01:45,489 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 08:01:45,489 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955405905]
[2020-09-25 08:01:45,493 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 08:01:45,493 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:01:45,493 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 08:01:45,494 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 08:01:45,494 INFO  L87              Difference]: Start difference. First operand 111 states and 121 transitions. Second operand 4 states.
[2020-09-25 08:01:45,778 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:01:45,778 INFO  L93              Difference]: Finished difference Result 212 states and 232 transitions.
[2020-09-25 08:01:45,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-09-25 08:01:45,779 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 63
[2020-09-25 08:01:45,779 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:01:45,781 INFO  L225             Difference]: With dead ends: 212
[2020-09-25 08:01:45,781 INFO  L226             Difference]: Without dead ends: 117
[2020-09-25 08:01:45,782 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 08:01:45,783 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2020-09-25 08:01:45,792 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 112.
[2020-09-25 08:01:45,793 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 112 states.
[2020-09-25 08:01:45,794 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 122 transitions.
[2020-09-25 08:01:45,794 INFO  L78                 Accepts]: Start accepts. Automaton has 112 states and 122 transitions. Word has length 63
[2020-09-25 08:01:45,794 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:01:45,794 INFO  L479      AbstractCegarLoop]: Abstraction has 112 states and 122 transitions.
[2020-09-25 08:01:45,794 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 08:01:45,795 INFO  L276                IsEmpty]: Start isEmpty. Operand 112 states and 122 transitions.
[2020-09-25 08:01:45,796 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2020-09-25 08:01:45,796 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 08:01:45,797 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 08:01:45,797 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 08:01:45,797 INFO  L427      AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:01:45,797 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:01:45,798 INFO  L82        PathProgramCache]: Analyzing trace with hash 1210839627, now seen corresponding path program 1 times
[2020-09-25 08:01:45,798 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:01:45,798 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [817646486]
[2020-09-25 08:01:45,798 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:01:45,810 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:45,820 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:45,842 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:45,870 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:45,950 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:48,041 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:48,073 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:48,108 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:48,220 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:48,311 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:50,192 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:50,812 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:50,818 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 83
[2020-09-25 08:01:50,818 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 10
[2020-09-25 08:01:50,819 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 4999
[2020-09-25 08:01:50,819 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:50,819 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:50,820 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:01:50,820 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 42
[2020-09-25 08:01:50,821 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 08:01:50,821 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:50,864 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:01:50,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:50,868 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:50,875 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:50,876 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:01:50,876 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:50,877 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 08:01:50,877 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:50,881 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:50,882 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:50,882 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:01:50,882 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:50,883 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 08:01:50,885 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2020-09-25 08:01:50,890 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:50,892 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:50,898 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:50,899 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 08:01:50,899 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:50,900 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 08:01:50,900 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:50,901 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:50,901 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:50,901 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 11
[2020-09-25 08:01:50,902 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:50,902 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:50,915 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-09-25 08:01:50,916 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [817646486]
[2020-09-25 08:01:50,916 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:01:50,917 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-09-25 08:01:50,917 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575953971]
[2020-09-25 08:01:50,918 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-09-25 08:01:50,919 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:01:50,919 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-09-25 08:01:50,919 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 08:01:50,920 INFO  L87              Difference]: Start difference. First operand 112 states and 122 transitions. Second operand 4 states.
[2020-09-25 08:01:51,233 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:01:51,234 INFO  L93              Difference]: Finished difference Result 200 states and 220 transitions.
[2020-09-25 08:01:51,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-09-25 08:01:51,235 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 70
[2020-09-25 08:01:51,236 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:01:51,238 INFO  L225             Difference]: With dead ends: 200
[2020-09-25 08:01:51,238 INFO  L226             Difference]: Without dead ends: 113
[2020-09-25 08:01:51,241 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-25 08:01:51,244 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2020-09-25 08:01:51,265 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113.
[2020-09-25 08:01:51,266 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 113 states.
[2020-09-25 08:01:51,267 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 123 transitions.
[2020-09-25 08:01:51,267 INFO  L78                 Accepts]: Start accepts. Automaton has 113 states and 123 transitions. Word has length 70
[2020-09-25 08:01:51,268 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:01:51,268 INFO  L479      AbstractCegarLoop]: Abstraction has 113 states and 123 transitions.
[2020-09-25 08:01:51,269 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-09-25 08:01:51,269 INFO  L276                IsEmpty]: Start isEmpty. Operand 113 states and 123 transitions.
[2020-09-25 08:01:51,275 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2020-09-25 08:01:51,276 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-25 08:01:51,276 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 08:01:51,282 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 08:01:51,283 INFO  L427      AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:01:51,283 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:01:51,283 INFO  L82        PathProgramCache]: Analyzing trace with hash 653997614, now seen corresponding path program 1 times
[2020-09-25 08:01:51,284 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:01:51,284 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453953608]
[2020-09-25 08:01:51,285 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:01:51,308 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:51,320 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:51,349 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:51,847 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:51,992 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:52,023 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:52,063 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:52,252 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:53,348 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:56,311 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:56,312 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 85
[2020-09-25 08:01:56,312 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 8
[2020-09-25 08:01:56,312 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5001
[2020-09-25 08:01:56,313 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:56,313 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:56,313 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 6
[2020-09-25 08:01:56,314 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 29
[2020-09-25 08:01:56,314 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 55
[2020-09-25 08:01:56,314 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:56,411 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:01:56,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:56,415 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:56,420 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:56,421 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 11
[2020-09-25 08:01:56,421 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:56,421 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 08:01:56,422 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:56,422 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:56,422 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:56,422 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:01:56,422 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:56,423 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:56,425 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58
[2020-09-25 08:01:56,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:56,432 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:56,443 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:56,444 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-25 08:01:56,444 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:56,444 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 13
[2020-09-25 08:01:56,444 FATAL L256   erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:56,445 FATAL L256   erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:56,445 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:01:56,445 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:01:56,445 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 10
[2020-09-25 08:01:56,445 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:56,460 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-09-25 08:01:56,461 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453953608]
[2020-09-25 08:01:56,462 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:01:56,462 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 08:01:56,462 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775587923]
[2020-09-25 08:01:56,463 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 08:01:56,464 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:01:56,464 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 08:01:56,465 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 08:01:56,465 INFO  L87              Difference]: Start difference. First operand 113 states and 123 transitions. Second operand 8 states.
[2020-09-25 08:01:56,957 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:01:56,957 INFO  L93              Difference]: Finished difference Result 209 states and 233 transitions.
[2020-09-25 08:01:56,958 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2020-09-25 08:01:56,958 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 72
[2020-09-25 08:01:56,959 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:01:56,959 INFO  L225             Difference]: With dead ends: 209
[2020-09-25 08:01:56,959 INFO  L226             Difference]: Without dead ends: 0
[2020-09-25 08:01:56,960 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182
[2020-09-25 08:01:56,961 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 08:01:56,963 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 08:01:56,964 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 08:01:56,964 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 08:01:56,964 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72
[2020-09-25 08:01:56,964 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:01:56,964 INFO  L479      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 08:01:56,965 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 08:01:56,965 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 08:01:56,965 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 08:01:56,965 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-09-25 08:01:56,969 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 08:01:57,057 INFO  L268        CegarLoopResult]: For program point  L60(line 60)  no Hoare annotation was computed.
[2020-09-25 08:01:57,057 INFO  L268        CegarLoopResult]: For program point  L60-1(line 60)  no Hoare annotation was computed.
[2020-09-25 08:01:57,057 INFO  L268        CegarLoopResult]: For program point  L60-2(line 60)  no Hoare annotation was computed.
[2020-09-25 08:01:57,058 INFO  L268        CegarLoopResult]: For program point  L60-4(line 60)  no Hoare annotation was computed.
[2020-09-25 08:01:57,058 INFO  L268        CegarLoopResult]: For program point  L60-5(line 60)  no Hoare annotation was computed.
[2020-09-25 08:01:57,058 INFO  L268        CegarLoopResult]: For program point  L60-6(line 60)  no Hoare annotation was computed.
[2020-09-25 08:01:57,058 INFO  L268        CegarLoopResult]: For program point  L60-7(line 60)  no Hoare annotation was computed.
[2020-09-25 08:01:57,058 INFO  L268        CegarLoopResult]: For program point  L60-8(line 60)  no Hoare annotation was computed.
[2020-09-25 08:01:57,058 INFO  L268        CegarLoopResult]: For program point  L60-9(line 60)  no Hoare annotation was computed.
[2020-09-25 08:01:57,059 INFO  L268        CegarLoopResult]: For program point  L52-1(lines 52 73)  no Hoare annotation was computed.
[2020-09-25 08:01:57,059 INFO  L268        CegarLoopResult]: For program point  L60-11(line 60)  no Hoare annotation was computed.
[2020-09-25 08:01:57,059 INFO  L271        CegarLoopResult]: At program point  L52-3(lines 52 73)  the Hoare annotation is:  true
[2020-09-25 08:01:57,059 INFO  L268        CegarLoopResult]: For program point  L60-12(line 60)  no Hoare annotation was computed.
[2020-09-25 08:01:57,059 INFO  L268        CegarLoopResult]: For program point  L52-4(lines 52 73)  no Hoare annotation was computed.
[2020-09-25 08:01:57,059 INFO  L268        CegarLoopResult]: For program point  L60-13(lines 54 72)  no Hoare annotation was computed.
[2020-09-25 08:01:57,060 INFO  L268        CegarLoopResult]: For program point  L69(line 69)  no Hoare annotation was computed.
[2020-09-25 08:01:57,061 INFO  L268        CegarLoopResult]: For program point  L53(line 53)  no Hoare annotation was computed.
[2020-09-25 08:01:57,061 INFO  L268        CegarLoopResult]: For program point  L53-1(line 53)  no Hoare annotation was computed.
[2020-09-25 08:01:57,061 INFO  L268        CegarLoopResult]: For program point  L62(lines 62 64)  no Hoare annotation was computed.
[2020-09-25 08:01:57,061 INFO  L268        CegarLoopResult]: For program point  L54(line 54)  no Hoare annotation was computed.
[2020-09-25 08:01:57,061 INFO  L268        CegarLoopResult]: For program point  L54-1(line 54)  no Hoare annotation was computed.
[2020-09-25 08:01:57,061 INFO  L268        CegarLoopResult]: For program point  L54-2(lines 54 72)  no Hoare annotation was computed.
[2020-09-25 08:01:57,062 INFO  L268        CegarLoopResult]: For program point  L54-3(lines 54 72)  no Hoare annotation was computed.
[2020-09-25 08:01:57,062 INFO  L268        CegarLoopResult]: For program point  L63(line 63)  no Hoare annotation was computed.
[2020-09-25 08:01:57,062 INFO  L268        CegarLoopResult]: For program point  L55(line 55)  no Hoare annotation was computed.
[2020-09-25 08:01:57,062 INFO  L268        CegarLoopResult]: For program point  L56-1(line 56)  no Hoare annotation was computed.
[2020-09-25 08:01:57,063 INFO  L268        CegarLoopResult]: For program point  L56-2(line 56)  no Hoare annotation was computed.
[2020-09-25 08:01:57,063 INFO  L268        CegarLoopResult]: For program point  L56-4(line 56)  no Hoare annotation was computed.
[2020-09-25 08:01:57,063 INFO  L268        CegarLoopResult]: For program point  L56-5(line 56)  no Hoare annotation was computed.
[2020-09-25 08:01:57,063 INFO  L268        CegarLoopResult]: For program point  L56-6(line 56)  no Hoare annotation was computed.
[2020-09-25 08:01:57,063 INFO  L268        CegarLoopResult]: For program point  L56-7(line 56)  no Hoare annotation was computed.
[2020-09-25 08:01:57,063 INFO  L268        CegarLoopResult]: For program point  L56-8(line 56)  no Hoare annotation was computed.
[2020-09-25 08:01:57,063 INFO  L268        CegarLoopResult]: For program point  L56-9(line 56)  no Hoare annotation was computed.
[2020-09-25 08:01:57,064 INFO  L268        CegarLoopResult]: For program point  L56-11(line 56)  no Hoare annotation was computed.
[2020-09-25 08:01:57,064 INFO  L268        CegarLoopResult]: For program point  L56-12(line 56)  no Hoare annotation was computed.
[2020-09-25 08:01:57,064 INFO  L268        CegarLoopResult]: For program point  L56-13(line 56)  no Hoare annotation was computed.
[2020-09-25 08:01:57,064 INFO  L268        CegarLoopResult]: For program point  L56-14(line 56)  no Hoare annotation was computed.
[2020-09-25 08:01:57,064 INFO  L268        CegarLoopResult]: For program point  L56-15(line 56)  no Hoare annotation was computed.
[2020-09-25 08:01:57,064 INFO  L268        CegarLoopResult]: For program point  L73(lines 52 73)  no Hoare annotation was computed.
[2020-09-25 08:01:57,064 INFO  L268        CegarLoopResult]: For program point  L56-16(line 56)  no Hoare annotation was computed.
[2020-09-25 08:01:57,065 INFO  L268        CegarLoopResult]: For program point  L73-1(line 73)  no Hoare annotation was computed.
[2020-09-25 08:01:57,065 INFO  L271        CegarLoopResult]: At program point  L56-17(line 56)  the Hoare annotation is:  true
[2020-09-25 08:01:57,065 INFO  L268        CegarLoopResult]: For program point  L73-2(line 73)  no Hoare annotation was computed.
[2020-09-25 08:01:57,065 INFO  L268        CegarLoopResult]: For program point  L56-18(line 56)  no Hoare annotation was computed.
[2020-09-25 08:01:57,066 INFO  L264        CegarLoopResult]: At program point  L65(line 65)  the Hoare annotation is:  (<= parse_expression_list_~j~0 parse_expression_list_~start~0)
[2020-09-25 08:01:57,066 INFO  L268        CegarLoopResult]: For program point  L65-1(line 65)  no Hoare annotation was computed.
[2020-09-25 08:01:57,066 INFO  L268        CegarLoopResult]: For program point  L57(line 57)  no Hoare annotation was computed.
[2020-09-25 08:01:57,066 INFO  L268        CegarLoopResult]: For program point  L57-1(line 57)  no Hoare annotation was computed.
[2020-09-25 08:01:57,067 INFO  L268        CegarLoopResult]: For program point  L57-2(line 57)  no Hoare annotation was computed.
[2020-09-25 08:01:57,067 INFO  L268        CegarLoopResult]: For program point  L57-3(line 57)  no Hoare annotation was computed.
[2020-09-25 08:01:57,067 INFO  L268        CegarLoopResult]: For program point  L57-4(line 57)  no Hoare annotation was computed.
[2020-09-25 08:01:57,067 INFO  L268        CegarLoopResult]: For program point  L57-6(line 57)  no Hoare annotation was computed.
[2020-09-25 08:01:57,067 INFO  L268        CegarLoopResult]: For program point  L57-7(line 57)  no Hoare annotation was computed.
[2020-09-25 08:01:57,068 INFO  L268        CegarLoopResult]: For program point  L49(line 49)  no Hoare annotation was computed.
[2020-09-25 08:01:57,068 INFO  L268        CegarLoopResult]: For program point  L49-1(line 49)  no Hoare annotation was computed.
[2020-09-25 08:01:57,068 INFO  L268        CegarLoopResult]: For program point  L49-2(line 49)  no Hoare annotation was computed.
[2020-09-25 08:01:57,068 INFO  L264        CegarLoopResult]: At program point  L66(line 66)  the Hoare annotation is:  (<= parse_expression_list_~j~0 parse_expression_list_~start~0)
[2020-09-25 08:01:57,068 INFO  L268        CegarLoopResult]: For program point  L66-1(line 66)  no Hoare annotation was computed.
[2020-09-25 08:01:57,068 INFO  L268        CegarLoopResult]: For program point  parse_expression_listFINAL(lines 47 75)  no Hoare annotation was computed.
[2020-09-25 08:01:57,068 INFO  L264        CegarLoopResult]: At program point  parse_expression_listENTRY(lines 47 75)  the Hoare annotation is:  (= |old(#valid)| |#valid|)
[2020-09-25 08:01:57,069 INFO  L268        CegarLoopResult]: For program point  L50(line 50)  no Hoare annotation was computed.
[2020-09-25 08:01:57,069 INFO  L268        CegarLoopResult]: For program point  L50-1(lines 48 75)  no Hoare annotation was computed.
[2020-09-25 08:01:57,069 INFO  L268        CegarLoopResult]: For program point  L50-2(line 50)  no Hoare annotation was computed.
[2020-09-25 08:01:57,069 INFO  L268        CegarLoopResult]: For program point  L50-3(line 50)  no Hoare annotation was computed.
[2020-09-25 08:01:57,070 INFO  L268        CegarLoopResult]: For program point  L50-4(line 50)  no Hoare annotation was computed.
[2020-09-25 08:01:57,071 INFO  L268        CegarLoopResult]: For program point  L50-5(line 50)  no Hoare annotation was computed.
[2020-09-25 08:01:57,071 INFO  L268        CegarLoopResult]: For program point  L50-6(line 50)  no Hoare annotation was computed.
[2020-09-25 08:01:57,071 INFO  L268        CegarLoopResult]: For program point  L50-7(line 50)  no Hoare annotation was computed.
[2020-09-25 08:01:57,071 INFO  L268        CegarLoopResult]: For program point  L50-8(line 50)  no Hoare annotation was computed.
[2020-09-25 08:01:57,071 INFO  L268        CegarLoopResult]: For program point  L50-9(line 50)  no Hoare annotation was computed.
[2020-09-25 08:01:57,071 INFO  L268        CegarLoopResult]: For program point  L67(lines 61 70)  no Hoare annotation was computed.
[2020-09-25 08:01:57,072 INFO  L268        CegarLoopResult]: For program point  parse_expression_listEXIT(lines 47 75)  no Hoare annotation was computed.
[2020-09-25 08:01:57,072 INFO  L268        CegarLoopResult]: For program point  L59-1(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,072 INFO  L268        CegarLoopResult]: For program point  L59-2(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,072 INFO  L268        CegarLoopResult]: For program point  L59-3(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,072 INFO  L268        CegarLoopResult]: For program point  L59-4(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,072 INFO  L268        CegarLoopResult]: For program point  L59-6(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,072 INFO  L268        CegarLoopResult]: For program point  L59-7(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,072 INFO  L268        CegarLoopResult]: For program point  L51(line 51)  no Hoare annotation was computed.
[2020-09-25 08:01:57,073 INFO  L268        CegarLoopResult]: For program point  L59-8(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,073 INFO  L268        CegarLoopResult]: For program point  L59-10(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,073 INFO  L268        CegarLoopResult]: For program point  L59-11(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,073 INFO  L268        CegarLoopResult]: For program point  L59-12(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,073 INFO  L268        CegarLoopResult]: For program point  L59-13(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,073 INFO  L268        CegarLoopResult]: For program point  L59-14(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,073 INFO  L268        CegarLoopResult]: For program point  L59-16(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,074 INFO  L268        CegarLoopResult]: For program point  L59-17(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,074 INFO  L268        CegarLoopResult]: For program point  L59-18(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,075 INFO  L268        CegarLoopResult]: For program point  L59-19(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,075 INFO  L268        CegarLoopResult]: For program point  L59-20(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,075 INFO  L268        CegarLoopResult]: For program point  L59-21(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,076 INFO  L268        CegarLoopResult]: For program point  L59-22(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,076 INFO  L271        CegarLoopResult]: At program point  L59-23(line 59)  the Hoare annotation is:  true
[2020-09-25 08:01:57,076 INFO  L268        CegarLoopResult]: For program point  L59-24(line 59)  no Hoare annotation was computed.
[2020-09-25 08:01:57,076 INFO  L268        CegarLoopResult]: For program point  L-1(line -1)  no Hoare annotation was computed.
[2020-09-25 08:01:57,076 INFO  L268        CegarLoopResult]: For program point  L-1-1(line -1)  no Hoare annotation was computed.
[2020-09-25 08:01:57,076 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initFINAL(line -1)  no Hoare annotation was computed.
[2020-09-25 08:01:57,077 INFO  L264        CegarLoopResult]: At program point  ULTIMATE.initENTRY(line -1)  the Hoare annotation is:  (and (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|))
[2020-09-25 08:01:57,077 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.initEXIT(line -1)  no Hoare annotation was computed.
[2020-09-25 08:01:57,077 INFO  L268        CegarLoopResult]: For program point  r_strncpyFINAL(line 31)  no Hoare annotation was computed.
[2020-09-25 08:01:57,077 INFO  L268        CegarLoopResult]: For program point  L31(line 31)  no Hoare annotation was computed.
[2020-09-25 08:01:57,077 INFO  L268        CegarLoopResult]: For program point  L31-1(line 31)  no Hoare annotation was computed.
[2020-09-25 08:01:57,077 INFO  L268        CegarLoopResult]: For program point  L31-2(line 31)  no Hoare annotation was computed.
[2020-09-25 08:01:57,078 INFO  L268        CegarLoopResult]: For program point  r_strncpyEXIT(line 31)  no Hoare annotation was computed.
[2020-09-25 08:01:57,078 INFO  L268        CegarLoopResult]: For program point  L31-3(line 31)  no Hoare annotation was computed.
[2020-09-25 08:01:57,078 INFO  L268        CegarLoopResult]: For program point  L31-4(line 31)  no Hoare annotation was computed.
[2020-09-25 08:01:57,078 INFO  L271        CegarLoopResult]: At program point  r_strncpyENTRY(line 31)  the Hoare annotation is:  true
[2020-09-25 08:01:57,078 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2020-09-25 08:01:57,078 INFO  L271        CegarLoopResult]: At program point  L-1(line -1)  the Hoare annotation is:  true
[2020-09-25 08:01:57,078 INFO  L271        CegarLoopResult]: At program point  ULTIMATE.startENTRY(line -1)  the Hoare annotation is:  true
[2020-09-25 08:01:57,078 INFO  L268        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2020-09-25 08:01:57,079 INFO  L268        CegarLoopResult]: For program point  mainEXIT(lines 76 85)  no Hoare annotation was computed.
[2020-09-25 08:01:57,079 INFO  L268        CegarLoopResult]: For program point  L83(line 83)  no Hoare annotation was computed.
[2020-09-25 08:01:57,079 INFO  L268        CegarLoopResult]: For program point  L83-1(line 83)  no Hoare annotation was computed.
[2020-09-25 08:01:57,079 INFO  L268        CegarLoopResult]: For program point  L79-2(lines 79 81)  no Hoare annotation was computed.
[2020-09-25 08:01:57,079 INFO  L268        CegarLoopResult]: For program point  mainFINAL(lines 76 85)  no Hoare annotation was computed.
[2020-09-25 08:01:57,079 INFO  L268        CegarLoopResult]: For program point  L79-3(line 79)  no Hoare annotation was computed.
[2020-09-25 08:01:57,079 INFO  L268        CegarLoopResult]: For program point  L79-4(line 79)  no Hoare annotation was computed.
[2020-09-25 08:01:57,080 INFO  L271        CegarLoopResult]: At program point  L79-5(lines 79 81)  the Hoare annotation is:  true
[2020-09-25 08:01:57,080 INFO  L268        CegarLoopResult]: For program point  L79-6(lines 79 81)  no Hoare annotation was computed.
[2020-09-25 08:01:57,080 INFO  L264        CegarLoopResult]: At program point  mainENTRY(lines 76 85)  the Hoare annotation is:  (= |old(#valid)| |#valid|)
[2020-09-25 08:01:57,080 INFO  L268        CegarLoopResult]: For program point  L84(line 84)  no Hoare annotation was computed.
[2020-09-25 08:01:57,081 INFO  L271        CegarLoopResult]: At program point  L82(line 82)  the Hoare annotation is:  true
[2020-09-25 08:01:57,081 INFO  L268        CegarLoopResult]: For program point  L80(line 80)  no Hoare annotation was computed.
[2020-09-25 08:01:57,081 INFO  L268        CegarLoopResult]: For program point  L80-1(line 80)  no Hoare annotation was computed.
[2020-09-25 08:01:57,081 INFO  L268        CegarLoopResult]: For program point  L78(line 78)  no Hoare annotation was computed.
[2020-09-25 08:01:57,082 INFO  L268        CegarLoopResult]: For program point  L80-2(line 80)  no Hoare annotation was computed.
[2020-09-25 08:01:57,082 INFO  L268        CegarLoopResult]: For program point  L78-1(line 78)  no Hoare annotation was computed.
[2020-09-25 08:01:57,082 INFO  L268        CegarLoopResult]: For program point  L78-2(line 78)  no Hoare annotation was computed.
[2020-09-25 08:01:57,082 INFO  L271        CegarLoopResult]: At program point  __VERIFIER_assertENTRY(lines 3 8)  the Hoare annotation is:  true
[2020-09-25 08:01:57,082 INFO  L268        CegarLoopResult]: For program point  __VERIFIER_assertEXIT(lines 3 8)  no Hoare annotation was computed.
[2020-09-25 08:01:57,082 INFO  L268        CegarLoopResult]: For program point  L5(line 5)  no Hoare annotation was computed.
[2020-09-25 08:01:57,083 INFO  L268        CegarLoopResult]: For program point  L4(lines 4 6)  no Hoare annotation was computed.
[2020-09-25 08:01:57,083 INFO  L268        CegarLoopResult]: For program point  __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5)  no Hoare annotation was computed.
[2020-09-25 08:01:57,083 INFO  L268        CegarLoopResult]: For program point  L4-2(lines 3 8)  no Hoare annotation was computed.
[2020-09-25 08:01:57,099 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 08:01:57 BoogieIcfgContainer
[2020-09-25 08:01:57,099 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 08:01:57,103 INFO  L168              Benchmark]: Toolchain (without parser) took 21854.79 ms. Allocated memory was 138.9 MB in the beginning and 345.5 MB in the end (delta: 206.6 MB). Free memory was 101.6 MB in the beginning and 163.2 MB in the end (delta: -61.5 MB). Peak memory consumption was 145.0 MB. Max. memory is 7.1 GB.
[2020-09-25 08:01:57,104 INFO  L168              Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.0 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB.
[2020-09-25 08:01:57,106 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 478.69 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.2 MB in the beginning and 179.4 MB in the end (delta: -78.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB.
[2020-09-25 08:01:57,108 INFO  L168              Benchmark]: Boogie Preprocessor took 59.14 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 176.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB.
[2020-09-25 08:01:57,117 INFO  L168              Benchmark]: RCFGBuilder took 659.37 ms. Allocated memory is still 201.9 MB. Free memory was 176.0 MB in the beginning and 141.4 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB.
[2020-09-25 08:01:57,118 INFO  L168              Benchmark]: TraceAbstraction took 20647.57 ms. Allocated memory was 201.9 MB in the beginning and 345.5 MB in the end (delta: 143.7 MB). Free memory was 140.4 MB in the beginning and 163.2 MB in the end (delta: -22.7 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB.
[2020-09-25 08:01:57,123 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.31 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.0 MB in the end (delta: 420.0 kB). Peak memory consumption was 420.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 478.69 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.2 MB in the beginning and 179.4 MB in the end (delta: -78.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 59.14 ms. Allocated memory is still 201.9 MB. Free memory was 179.4 MB in the beginning and 176.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 659.37 ms. Allocated memory is still 201.9 MB. Free memory was 176.0 MB in the beginning and 141.4 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 20647.57 ms. Allocated memory was 201.9 MB in the beginning and 345.5 MB in the end (delta: 143.7 MB). Free memory was 140.4 MB in the beginning and 163.2 MB in the end (delta: -22.7 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 52]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 56]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 59]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 79]: Loop Invariant
    Derived loop invariant: 1
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 6 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 479 SDtfs, 234 SDslu, 644 SDs, 0 SdLazy, 663 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 34 PreInvPairs, 46 NumberOfFragments, 31 HoareAnnotationTreeSize, 34 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 40 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 18.3s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 24644 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...