/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/array-fpi/sina5f.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 08:01:01,771 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 08:01:01,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 08:01:01,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 08:01:01,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 08:01:01,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 08:01:01,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 08:01:01,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 08:01:01,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 08:01:01,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 08:01:01,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 08:01:01,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 08:01:01,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 08:01:01,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 08:01:01,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 08:01:01,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 08:01:01,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 08:01:01,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 08:01:01,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 08:01:01,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 08:01:01,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 08:01:01,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 08:01:01,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 08:01:01,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 08:01:01,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 08:01:01,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 08:01:01,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 08:01:01,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 08:01:01,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 08:01:01,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 08:01:01,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 08:01:01,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 08:01:01,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 08:01:01,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 08:01:01,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 08:01:01,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 08:01:01,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 08:01:01,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 08:01:01,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 08:01:01,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 08:01:01,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 08:01:01,848 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 08:01:01,874 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 08:01:01,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 08:01:01,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 08:01:01,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 08:01:01,880 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 08:01:01,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 08:01:01,880 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 08:01:01,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 08:01:01,880 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 08:01:01,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 08:01:01,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 08:01:01,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 08:01:01,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 08:01:01,881 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 08:01:01,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 08:01:01,882 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 08:01:01,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 08:01:01,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 08:01:01,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 08:01:01,882 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 08:01:01,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 08:01:01,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 08:01:01,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 08:01:01,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 08:01:01,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 08:01:01,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 08:01:01,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 08:01:01,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 08:01:01,886 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 08:01:01,887 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 08:01:02,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 08:01:02,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 08:01:02,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 08:01:02,451 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 08:01:02,451 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 08:01:02,452 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina5f.c
[2020-09-25 08:01:02,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8dbca0d2a/6e38c743a9f34ad2ad7f940acb61bbc0/FLAGa5ee9c319
[2020-09-25 08:01:03,144 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 08:01:03,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina5f.c
[2020-09-25 08:01:03,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8dbca0d2a/6e38c743a9f34ad2ad7f940acb61bbc0/FLAGa5ee9c319
[2020-09-25 08:01:03,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8dbca0d2a/6e38c743a9f34ad2ad7f940acb61bbc0
[2020-09-25 08:01:03,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 08:01:03,541 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 08:01:03,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 08:01:03,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 08:01:03,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 08:01:03,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:01:03" (1/1) ...
[2020-09-25 08:01:03,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697b2ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:03, skipping insertion in model container
[2020-09-25 08:01:03,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:01:03" (1/1) ...
[2020-09-25 08:01:03,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 08:01:03,589 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 08:01:03,823 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 08:01:03,835 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 08:01:03,860 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 08:01:03,878 INFO L208 MainTranslator]: Completed translation
[2020-09-25 08:01:03,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:03 WrapperNode
[2020-09-25 08:01:03,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 08:01:03,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 08:01:03,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 08:01:03,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 08:01:03,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:03" (1/1) ...
[2020-09-25 08:01:03,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:03" (1/1) ...
[2020-09-25 08:01:03,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:03" (1/1) ...
[2020-09-25 08:01:03,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:03" (1/1) ...
[2020-09-25 08:01:04,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:03" (1/1) ...
[2020-09-25 08:01:04,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:03" (1/1) ...
[2020-09-25 08:01:04,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:03" (1/1) ...
[2020-09-25 08:01:04,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 08:01:04,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 08:01:04,027 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 08:01:04,027 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 08:01:04,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:03" (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 08:01:04,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 08:01:04,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 08:01:04,099 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-25 08:01:04,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-25 08:01:04,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 08:01:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 08:01:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 08:01:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-25 08:01:04,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 08:01:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 08:01:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 08:01:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 08:01:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 08:01:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 08:01:04,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 08:01:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 08:01:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 08:01:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 08:01:04,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 08:01:04,520 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 08:01:04,522 INFO L295 CfgBuilder]: Removed 6 assume(true) statements.
[2020-09-25 08:01:04,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:01:04 BoogieIcfgContainer
[2020-09-25 08:01:04,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 08:01:04,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 08:01:04,535 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 08:01:04,538 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 08:01:04,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:01:03" (1/3) ...
[2020-09-25 08:01:04,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e439323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:01:04, skipping insertion in model container
[2020-09-25 08:01:04,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:03" (2/3) ...
[2020-09-25 08:01:04,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e439323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:01:04, skipping insertion in model container
[2020-09-25 08:01:04,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:01:04" (3/3) ...
[2020-09-25 08:01:04,543 INFO L109 eAbstractionObserver]: Analyzing ICFG sina5f.c
[2020-09-25 08:01:04,553 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 08:01:04,564 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 08:01:04,585 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 08:01:04,612 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 08:01:04,612 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 08:01:04,612 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 08:01:04,612 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 08:01:04,612 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 08:01:04,612 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 08:01:04,612 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 08:01:04,613 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 08:01:04,635 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states.
[2020-09-25 08:01:04,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-09-25 08:01:04,644 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:01:04,645 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 08:01:04,646 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:01:04,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:01:04,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1932017966, now seen corresponding path program 1 times
[2020-09-25 08:01:04,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:01:04,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [278129732]
[2020-09-25 08:01:04,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:01:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:04,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:04,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:05,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:05,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:05,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:05,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:05,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:06,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:06,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52
[2020-09-25 08:01:06,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7
[2020-09-25 08:01:06,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1183
[2020-09-25 08:01:06,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:06,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:06,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:06,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34
[2020-09-25 08:01:06,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:06,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 08:01:06,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:01:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:06,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:06,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:06,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 08:01:06,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:06,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15
[2020-09-25 08:01:06,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:06,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:06,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:06,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:01:06,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:06,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:06,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-09-25 08:01:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:06,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:06,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:06,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 08:01:06,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:06,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 08:01:06,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:06,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:06,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:06,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:01:06,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:06,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:06,163 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 08:01:06,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [278129732]
[2020-09-25 08:01:06,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:01:06,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 08:01:06,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804034045]
[2020-09-25 08:01:06,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 08:01:06,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:01:06,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 08:01:06,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 08:01:06,195 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 3 states.
[2020-09-25 08:01:06,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:01:06,395 INFO L93 Difference]: Finished difference Result 161 states and 188 transitions.
[2020-09-25 08:01:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 08:01:06,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41
[2020-09-25 08:01:06,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:01:06,410 INFO L225 Difference]: With dead ends: 161
[2020-09-25 08:01:06,410 INFO L226 Difference]: Without dead ends: 80
[2020-09-25 08:01:06,415 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 08:01:06,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2020-09-25 08:01:06,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80.
[2020-09-25 08:01:06,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states.
[2020-09-25 08:01:06,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions.
[2020-09-25 08:01:06,476 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 41
[2020-09-25 08:01:06,477 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:01:06,477 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions.
[2020-09-25 08:01:06,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 08:01:06,477 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions.
[2020-09-25 08:01:06,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2020-09-25 08:01:06,479 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:01:06,480 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 08:01:06,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 08:01:06,480 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:01:06,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:01:06,481 INFO L82 PathProgramCache]: Analyzing trace with hash -690131343, now seen corresponding path program 1 times
[2020-09-25 08:01:06,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:01:06,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1904092184]
[2020-09-25 08:01:06,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:01:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:06,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:06,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:06,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:06,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:07,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:07,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:07,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:07,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:07,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:11,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:11,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52
[2020-09-25 08:01:11,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10
[2020-09-25 08:01:11,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4998
[2020-09-25 08:01:11,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:11,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:11,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 08:01:11,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18
[2020-09-25 08:01:11,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25
[2020-09-25 08:01:11,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:11,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:01:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:11,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:11,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:11,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 08:01:11,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:11,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 08:01:11,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:11,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:11,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:11,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:01:11,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:11,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:11,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-09-25 08:01:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:11,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:11,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:11,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 08:01:11,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:11,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-25 08:01:11,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:11,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:11,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:01:11,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:01:11,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 08:01:11,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:11,598 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 08:01:11,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1904092184]
[2020-09-25 08:01:11,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:01:11,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 08:01:11,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78538166]
[2020-09-25 08:01:11,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 08:01:11,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:01:11,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 08:01:11,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-09-25 08:01:11,604 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand 5 states.
[2020-09-25 08:01:11,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:01:11,900 INFO L93 Difference]: Finished difference Result 136 states and 150 transitions.
[2020-09-25 08:01:11,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-25 08:01:11,900 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41
[2020-09-25 08:01:11,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:01:11,902 INFO L225 Difference]: With dead ends: 136
[2020-09-25 08:01:11,903 INFO L226 Difference]: Without dead ends: 86
[2020-09-25 08:01:11,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-09-25 08:01:11,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2020-09-25 08:01:11,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 85.
[2020-09-25 08:01:11,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states.
[2020-09-25 08:01:11,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions.
[2020-09-25 08:01:11,918 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 41
[2020-09-25 08:01:11,918 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:01:11,919 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions.
[2020-09-25 08:01:11,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 08:01:11,919 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions.
[2020-09-25 08:01:11,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2020-09-25 08:01:11,921 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:01:11,922 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, 1, 1, 1, 1, 1, 1]
[2020-09-25 08:01:11,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 08:01:11,922 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:01:11,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:01:11,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1472096967, now seen corresponding path program 1 times
[2020-09-25 08:01:11,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:01:11,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953102356]
[2020-09-25 08:01:11,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:01:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 08:01:11,968 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 08:01:11,969 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 08:01:11,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 08:01:11,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 08:01:11 BoogieIcfgContainer
[2020-09-25 08:01:11,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 08:01:12,003 INFO L168 Benchmark]: Toolchain (without parser) took 8465.01 ms. Allocated memory was 137.9 MB in the beginning and 288.9 MB in the end (delta: 151.0 MB). Free memory was 99.9 MB in the beginning and 97.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 153.1 MB. Max. memory is 7.1 GB.
[2020-09-25 08:01:12,004 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 137.9 MB. Free memory was 118.2 MB in the beginning and 117.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 08:01:12,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.53 ms. Allocated memory is still 137.9 MB. Free memory was 99.2 MB in the beginning and 88.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB.
[2020-09-25 08:01:12,006 INFO L168 Benchmark]: Boogie Preprocessor took 146.06 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 88.4 MB in the beginning and 176.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB.
[2020-09-25 08:01:12,007 INFO L168 Benchmark]: RCFGBuilder took 506.61 ms. Allocated memory is still 199.2 MB. Free memory was 176.4 MB in the beginning and 153.1 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB.
[2020-09-25 08:01:12,008 INFO L168 Benchmark]: TraceAbstraction took 7465.24 ms. Allocated memory was 199.2 MB in the beginning and 288.9 MB in the end (delta: 89.7 MB). Free memory was 152.4 MB in the beginning and 97.8 MB in the end (delta: 54.6 MB). Peak memory consumption was 144.3 MB. Max. memory is 7.1 GB.
[2020-09-25 08:01:12,013 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 137.9 MB. Free memory was 118.2 MB in the beginning and 117.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 336.53 ms. Allocated memory is still 137.9 MB. Free memory was 99.2 MB in the beginning and 88.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 146.06 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 88.4 MB in the beginning and 176.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 506.61 ms. Allocated memory is still 199.2 MB. Free memory was 176.4 MB in the beginning and 153.1 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 7465.24 ms. Allocated memory was 199.2 MB in the beginning and 288.9 MB in the end (delta: 89.7 MB). Free memory was 152.4 MB in the beginning and 97.8 MB in the end (delta: 54.6 MB). Peak memory consumption was 144.3 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L17] int N;
[L21] N = __VERIFIER_nondet_int()
[L22] COND FALSE !(N <= 0)
[L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int))
[L11] COND FALSE !(!cond)
[L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int))
[L25] int i;
[L26] long long sum[1];
[L27] long long *a = malloc(sizeof(long long)*N);
[L28] long long *b = malloc(sizeof(long long)*N);
[L30] sum[0] = 0
[L31] i=0
[L31] COND TRUE i<N
[L33] a[i] = 1
[L31] i++
[L31] COND FALSE !(i<N)
[L36] i=0
[L36] COND TRUE i<N
[L38] b[i] = 1
[L36] i++
[L36] COND FALSE !(i<N)
[L41] i=0
[L41] COND TRUE i<N
[L43] EXPR sum[0]
[L43] EXPR a[i]
[L43] sum[0] = sum[0] + a[i]
[L41] i++
[L41] COND FALSE !(i<N)
[L46] i=0
[L46] COND TRUE i<N
[L48] EXPR sum[0]
[L48] EXPR b[i]
[L48] sum[0] = sum[0] + b[i]
[L46] i++
[L46] COND FALSE !(i<N)
[L51] i=0
[L51] COND TRUE i<N
[L53] EXPR a[i]
[L53] EXPR sum[0]
[L53] a[i] = a[i] + sum[0]
[L51] i++
[L51] COND FALSE !(i<N)
[L56] i=0
[L56] COND TRUE i<N
[L58] EXPR a[i]
[L58] CALL __VERIFIER_assert(a[i] == 2*N)
[L13] COND TRUE !(cond)
[L13] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 152 SDtfs, 111 SDslu, 34 SDs, 0 SdLazy, 205 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 5680 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...