/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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/indp5f.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 10:15:54,691 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 10:15:54,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 10:15:54,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 10:15:54,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 10:15:54,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 10:15:54,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 10:15:54,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 10:15:54,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 10:15:54,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 10:15:54,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 10:15:54,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 10:15:54,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 10:15:54,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 10:15:54,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 10:15:54,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 10:15:54,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 10:15:54,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 10:15:54,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 10:15:54,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 10:15:54,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 10:15:54,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 10:15:54,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 10:15:54,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 10:15:54,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 10:15:54,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 10:15:54,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 10:15:54,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 10:15:54,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 10:15:54,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 10:15:54,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 10:15:54,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 10:15:54,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 10:15:54,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 10:15:54,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 10:15:54,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 10:15:54,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 10:15:54,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 10:15:54,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 10:15:54,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 10:15:54,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 10:15:54,769 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 10:15:54,796 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 10:15:54,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 10:15:54,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 10:15:54,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 10:15:54,799 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 10:15:54,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 10:15:54,799 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 10:15:54,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 10:15:54,800 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 10:15:54,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 10:15:54,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 10:15:54,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 10:15:54,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 10:15:54,801 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 10:15:54,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 10:15:54,801 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 10:15:54,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 10:15:54,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 10:15:54,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 10:15:54,802 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 10:15:54,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 10:15:54,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 10:15:54,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 10:15:54,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 10:15:54,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 10:15:54,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 10:15:54,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 10:15:54,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 10:15:54,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 10:15:54,804 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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;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=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true;
[2020-09-25 10:15:55,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 10:15:55,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 10:15:55,351 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 10:15:55,353 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 10:15:55,354 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 10:15:55,356 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/indp5f.c
[2020-09-25 10:15:55,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bb49fd05/3086b2c45d7a4d7ebb7e893ac3fab969/FLAG1ab196b59
[2020-09-25 10:15:56,073 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 10:15:56,074 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/indp5f.c
[2020-09-25 10:15:56,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bb49fd05/3086b2c45d7a4d7ebb7e893ac3fab969/FLAG1ab196b59
[2020-09-25 10:15:56,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bb49fd05/3086b2c45d7a4d7ebb7e893ac3fab969
[2020-09-25 10:15:56,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 10:15:56,351 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 10:15:56,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 10:15:56,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 10:15:56,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 10:15:56,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:15:56" (1/1) ...
[2020-09-25 10:15:56,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3116520e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:15:56, skipping insertion in model container
[2020-09-25 10:15:56,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:15:56" (1/1) ...
[2020-09-25 10:15:56,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 10:15:56,404 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 10:15:56,673 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 10:15:56,684 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 10:15:56,714 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 10:15:56,820 INFO L208 MainTranslator]: Completed translation
[2020-09-25 10:15:56,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:15:56 WrapperNode
[2020-09-25 10:15:56,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 10:15:56,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 10:15:56,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 10:15:56,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 10:15:56,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:15:56" (1/1) ...
[2020-09-25 10:15:56,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:15:56" (1/1) ...
[2020-09-25 10:15:56,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:15:56" (1/1) ...
[2020-09-25 10:15:56,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:15:56" (1/1) ...
[2020-09-25 10:15:56,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:15:56" (1/1) ...
[2020-09-25 10:15:56,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:15:56" (1/1) ...
[2020-09-25 10:15:56,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:15:56" (1/1) ...
[2020-09-25 10:15:56,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 10:15:56,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 10:15:56,873 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 10:15:56,874 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 10:15:56,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:15:56" (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 10:15:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 10:15:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 10:15:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-25 10:15:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-25 10:15:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 10:15:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 10:15:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 10:15:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-25 10:15:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 10:15:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 10:15:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 10:15:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 10:15:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 10:15:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 10:15:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 10:15:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 10:15:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 10:15:56,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 10:15:56,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 10:15:57,318 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 10:15:57,318 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 10:15:57,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:15:57 BoogieIcfgContainer
[2020-09-25 10:15:57,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 10:15:57,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 10:15:57,329 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 10:15:57,333 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 10:15:57,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:15:56" (1/3) ...
[2020-09-25 10:15:57,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7abcb3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:15:57, skipping insertion in model container
[2020-09-25 10:15:57,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:15:56" (2/3) ...
[2020-09-25 10:15:57,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7abcb3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:15:57, skipping insertion in model container
[2020-09-25 10:15:57,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:15:57" (3/3) ...
[2020-09-25 10:15:57,337 INFO L109 eAbstractionObserver]: Analyzing ICFG indp5f.c
[2020-09-25 10:15:57,351 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 10:15:57,363 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 10:15:57,418 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 10:15:57,475 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 10:15:57,475 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 10:15:57,475 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 10:15:57,475 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 10:15:57,475 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 10:15:57,475 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 10:15:57,476 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 10:15:57,476 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 10:15:57,501 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states.
[2020-09-25 10:15:57,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2020-09-25 10:15:57,510 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 10:15:57,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 10:15:57,512 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:15:57,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:15:57,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1581664836, now seen corresponding path program 1 times
[2020-09-25 10:15:57,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:15:57,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1198865997]
[2020-09-25 10:15:57,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:15:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:15:57,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:15:57,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:15:57,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:15:58,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:15:58,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:15:58,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:15:58,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48
[2020-09-25 10:15:58,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 10:15:58,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 947
[2020-09-25 10:15:58,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:15:58,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 10:15:58,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 10:15:58,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18
[2020-09-25 10:15:58,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21
[2020-09-25 10:15:58,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 10:15:58,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 10:15:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:15:58,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:15:58,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:15:58,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 10:15:58,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:15:58,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-25 10:15:58,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:15:58,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 10:15:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 10:15:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:15:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 10:15:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-25 10:15:58,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-09-25 10:15:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 10:15:58,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 10:15:58,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 10:15:58,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 10:15:58,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 10:15:58,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21
[2020-09-25 10:15:58,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 10:15:58,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1
[2020-09-25 10:15:58,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 10:15:58,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 10:15:58,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 10:15:58,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 10:15:58,876 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 10:15:58,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1198865997]
[2020-09-25 10:15:58,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 10:15:58,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 10:15:58,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245167432]
[2020-09-25 10:15:58,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 10:15:58,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 10:15:58,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 10:15:58,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-09-25 10:15:58,915 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 5 states.
[2020-09-25 10:15:59,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 10:15:59,337 INFO L93 Difference]: Finished difference Result 152 states and 184 transitions.
[2020-09-25 10:15:59,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-25 10:15:59,340 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37
[2020-09-25 10:15:59,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 10:15:59,352 INFO L225 Difference]: With dead ends: 152
[2020-09-25 10:15:59,352 INFO L226 Difference]: Without dead ends: 73
[2020-09-25 10:15:59,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-09-25 10:15:59,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2020-09-25 10:15:59,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73.
[2020-09-25 10:15:59,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states.
[2020-09-25 10:15:59,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions.
[2020-09-25 10:15:59,419 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 37
[2020-09-25 10:15:59,420 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 10:15:59,420 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions.
[2020-09-25 10:15:59,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 10:15:59,420 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions.
[2020-09-25 10:15:59,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2020-09-25 10:15:59,423 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 10:15:59,423 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 10:15:59,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 10:15:59,424 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 10:15:59,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 10:15:59,425 INFO L82 PathProgramCache]: Analyzing trace with hash -25889220, now seen corresponding path program 1 times
[2020-09-25 10:15:59,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 10:15:59,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648445572]
[2020-09-25 10:15:59,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 10:15:59,443 ERROR L271 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2020-09-25 10:15:59,444 WARN L168 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility
[2020-09-25 10:15:59,444 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 10:15:59,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 10:15:59,474 WARN L231 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually.
[2020-09-25 10:15:59,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 10:15:59 BoogieIcfgContainer
[2020-09-25 10:15:59,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 10:15:59,478 INFO L168 Benchmark]: Toolchain (without parser) took 3130.27 ms. Allocated memory was 138.9 MB in the beginning and 234.4 MB in the end (delta: 95.4 MB). Free memory was 101.7 MB in the beginning and 175.3 MB in the end (delta: -73.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB.
[2020-09-25 10:15:59,480 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-25 10:15:59,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.20 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 180.8 MB in the end (delta: -79.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB.
[2020-09-25 10:15:59,482 INFO L168 Benchmark]: Boogie Preprocessor took 50.81 ms. Allocated memory is still 201.9 MB. Free memory was 180.8 MB in the beginning and 178.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB.
[2020-09-25 10:15:59,483 INFO L168 Benchmark]: RCFGBuilder took 453.88 ms. Allocated memory is still 201.9 MB. Free memory was 178.4 MB in the beginning and 155.7 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB.
[2020-09-25 10:15:59,484 INFO L168 Benchmark]: TraceAbstraction took 2146.28 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 155.7 MB in the beginning and 175.3 MB in the end (delta: -19.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
[2020-09-25 10:15:59,488 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 469.20 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 180.8 MB in the end (delta: -79.8 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 50.81 ms. Allocated memory is still 201.9 MB. Free memory was 180.8 MB in the beginning and 178.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 453.88 ms. Allocated memory is still 201.9 MB. Free memory was 178.4 MB in the beginning and 155.7 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 2146.28 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 155.7 MB in the beginning and 175.3 MB in the end (delta: -19.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: unable to decide satisfiability of path constraint.
Possible 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 *a = malloc(sizeof(long long)*N);
[L27] long long sum[1];
[L29] sum[0] = 1
[L30] i=0
[L30] COND TRUE i<N
[L32] a[i]=((i+1)*(i+1))
[L30] i++
[L30] COND FALSE !(i<N)
[L35] i=0
[L35] COND TRUE i<N
[L37] EXPR a[i]
[L37] a[i]=a[i]-(i*i)
[L35] i++
[L35] COND FALSE !(i<N)
[L40] i=0
[L40] COND TRUE i<N
[L42] EXPR a[i]
[L42] a[i]=a[i]-i
[L40] i++
[L40] COND FALSE !(i<N)
[L45] i=0
[L45] COND TRUE i<N
[L47] EXPR a[i]
[L47] a[i]=a[i]-i
[L45] i++
[L45] COND FALSE !(i<N)
[L50] i=0
[L50] COND TRUE i<N
[L52] EXPR sum[0]
[L52] EXPR a[i]
[L52] sum[0] = sum[0] + a[i]
[L50] i++
[L50] COND FALSE !(i<N)
[L55] EXPR sum[0]
[L55] CALL __VERIFIER_assert(sum[0] == N)
[L13] COND TRUE !(cond)
[L13] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 62 SDtfs, 100 SDslu, 45 SDs, 0 SdLazy, 129 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 2808 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...