/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/sina4f.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 08:01:01,368 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 08:01:01,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 08:01:01,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 08:01:01,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 08:01:01,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 08:01:01,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 08:01:01,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 08:01:01,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 08:01:01,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 08:01:01,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 08:01:01,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 08:01:01,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 08:01:01,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 08:01:01,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 08:01:01,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 08:01:01,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 08:01:01,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 08:01:01,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 08:01:01,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 08:01:01,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 08:01:01,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 08:01:01,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 08:01:01,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 08:01:01,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 08:01:01,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 08:01:01,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 08:01:01,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 08:01:01,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 08:01:01,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 08:01:01,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 08:01:01,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 08:01:01,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 08:01:01,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 08:01:01,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 08:01:01,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 08:01:01,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 08:01:01,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 08:01:01,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 08:01:01,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 08:01:01,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 08:01:01,459 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 08:01:01,523 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 08:01:01,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 08:01:01,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 08:01:01,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 08:01:01,528 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 08:01:01,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 08:01:01,528 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 08:01:01,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 08:01:01,530 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 08:01:01,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 08:01:01,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 08:01:01,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 08:01:01,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 08:01:01,531 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 08:01:01,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 08:01:01,531 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 08:01:01,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 08:01:01,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 08:01:01,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 08:01:01,533 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 08:01:01,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 08:01:01,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 08:01:01,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 08:01:01,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 08:01:01,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 08:01:01,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 08:01:01,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 08:01:01,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 08:01:01,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 08:01:01,535 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 08:01:02,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 08:01:02,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 08:01:02,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 08:01:02,103 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 08:01:02,104 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 08:01:02,105 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina4f.c
[2020-09-25 08:01:02,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/910a4b060/fcf3746af1f047ae8be5cd94bd3afb70/FLAG13239184e
[2020-09-25 08:01:02,789 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 08:01:02,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina4f.c
[2020-09-25 08:01:02,800 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/910a4b060/fcf3746af1f047ae8be5cd94bd3afb70/FLAG13239184e
[2020-09-25 08:01:02,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/910a4b060/fcf3746af1f047ae8be5cd94bd3afb70
[2020-09-25 08:01:02,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 08:01:02,839 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 08:01:02,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 08:01:02,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 08:01:02,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 08:01:02,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:01:02" (1/1) ...
[2020-09-25 08:01:02,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cc40f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:02, skipping insertion in model container
[2020-09-25 08:01:02,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:01:02" (1/1) ...
[2020-09-25 08:01:02,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 08:01:02,886 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 08:01:03,211 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 08:01:03,226 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 08:01:03,264 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 08:01:03,363 INFO L208 MainTranslator]: Completed translation
[2020-09-25 08:01:03,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:01:03 WrapperNode
[2020-09-25 08:01:03,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 08:01:03,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 08:01:03,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 08:01:03,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 08:01:03,380 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 08:01:03,380 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 08:01:03,391 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 08:01:03,391 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 08:01:03,410 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 08:01:03,426 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 08:01:03,428 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 08:01:03,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 08:01:03,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 08:01:03,432 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 08:01:03,432 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 08:01:03,440 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 08:01:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 08:01:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 08:01:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-25 08:01:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-25 08:01:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 08:01:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 08:01:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-25 08:01:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-25 08:01:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 08:01:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-25 08:01:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-25 08:01:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 08:01:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 08:01:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-25 08:01:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 08:01:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 08:01:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 08:01:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 08:01:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 08:01:03,939 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 08:01:03,939 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-09-25 08:01:03,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:01:03 BoogieIcfgContainer
[2020-09-25 08:01:03,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 08:01:03,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 08:01:03,947 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 08:01:03,951 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 08:01:03,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:01:02" (1/3) ...
[2020-09-25 08:01:03,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bac0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:01:03, skipping insertion in model container
[2020-09-25 08:01:03,952 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 08:01:03,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bac0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:01:03, skipping insertion in model container
[2020-09-25 08:01:03,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:01:03" (3/3) ...
[2020-09-25 08:01:03,955 INFO L109 eAbstractionObserver]: Analyzing ICFG sina4f.c
[2020-09-25 08:01:03,968 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 08:01:03,976 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 08:01:03,998 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 08:01:04,030 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 08:01:04,030 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 08:01:04,030 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 08:01:04,030 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 08:01:04,031 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 08:01:04,031 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 08:01:04,031 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 08:01:04,031 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 08:01:04,055 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states.
[2020-09-25 08:01:04,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2020-09-25 08:01:04,064 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:01:04,066 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]
[2020-09-25 08:01:04,066 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:01:04,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:01:04,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1015859133, now seen corresponding path program 1 times
[2020-09-25 08:01:04,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:01:04,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529003401]
[2020-09-25 08:01:04,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:01:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:04,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:04,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:04,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:04,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:04,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:05,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:05,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50
[2020-09-25 08:01:05,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 08:01:05,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 827
[2020-09-25 08:01:05,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:05,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:05,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:05,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34
[2020-09-25 08:01:05,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:05,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 08:01:05,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:01:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:05,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:05,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:05,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 08:01:05,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:05,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-25 08:01:05,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:05,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:05,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:01:05,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:05,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:05,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-09-25 08:01:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:05,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:05,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:05,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 08:01:05,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:05,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7
[2020-09-25 08:01:05,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:05,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:05,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:05,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:01:05,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:05,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:05,212 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 08:01:05,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529003401]
[2020-09-25 08:01:05,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:01:05,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-25 08:01:05,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131811951]
[2020-09-25 08:01:05,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-25 08:01:05,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:01:05,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-25 08:01:05,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-25 08:01:05,247 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 3 states.
[2020-09-25 08:01:05,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:01:05,462 INFO L93 Difference]: Finished difference Result 145 states and 168 transitions.
[2020-09-25 08:01:05,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-25 08:01:05,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39
[2020-09-25 08:01:05,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:01:05,476 INFO L225 Difference]: With dead ends: 145
[2020-09-25 08:01:05,477 INFO L226 Difference]: Without dead ends: 72
[2020-09-25 08:01:05,481 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 08:01:05,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2020-09-25 08:01:05,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2020-09-25 08:01:05,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states.
[2020-09-25 08:01:05,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions.
[2020-09-25 08:01:05,538 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 39
[2020-09-25 08:01:05,539 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:01:05,539 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions.
[2020-09-25 08:01:05,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-25 08:01:05,539 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions.
[2020-09-25 08:01:05,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2020-09-25 08:01:05,541 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:01:05,541 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]
[2020-09-25 08:01:05,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 08:01:05,542 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:01:05,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:01:05,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1834550526, now seen corresponding path program 1 times
[2020-09-25 08:01:05,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:01:05,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [438544374]
[2020-09-25 08:01:05,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:01:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:05,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:05,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:05,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:05,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:05,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:05,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:06,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:06,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:07,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:07,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50
[2020-09-25 08:01:07,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8
[2020-09-25 08:01:07,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2200
[2020-09-25 08:01:07,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:07,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:07,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-25 08:01:07,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18
[2020-09-25 08:01:07,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23
[2020-09-25 08:01:07,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:07,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 08:01:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:07,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:07,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:07,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-25 08:01:07,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:07,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-25 08:01:07,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:07,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 08:01:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:01:07,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 08:01:07,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:07,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-09-25 08:01:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 08:01:07,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 08:01:07,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 08:01:07,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 08:01:07,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 08:01:07,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-25 08:01:07,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL
[2020-09-25 08:01:07,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8
[2020-09-25 08:01:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 08:01:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 08:01:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 08:01:07,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 08:01:07,866 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 08:01:07,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [438544374]
[2020-09-25 08:01:07,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 08:01:07,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-25 08:01:07,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587439672]
[2020-09-25 08:01:07,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-25 08:01:07,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 08:01:07,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-25 08:01:07,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-09-25 08:01:07,870 INFO L87 Difference]: Start difference. First operand 72 states and 76 transitions. Second operand 5 states.
[2020-09-25 08:01:08,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 08:01:08,118 INFO L93 Difference]: Finished difference Result 119 states and 130 transitions.
[2020-09-25 08:01:08,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-25 08:01:08,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39
[2020-09-25 08:01:08,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 08:01:08,120 INFO L225 Difference]: With dead ends: 119
[2020-09-25 08:01:08,121 INFO L226 Difference]: Without dead ends: 77
[2020-09-25 08:01:08,122 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 08:01:08,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2020-09-25 08:01:08,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76.
[2020-09-25 08:01:08,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states.
[2020-09-25 08:01:08,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions.
[2020-09-25 08:01:08,135 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 39
[2020-09-25 08:01:08,135 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 08:01:08,136 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions.
[2020-09-25 08:01:08,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-25 08:01:08,136 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions.
[2020-09-25 08:01:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2020-09-25 08:01:08,138 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 08:01:08,138 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]
[2020-09-25 08:01:08,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 08:01:08,139 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 08:01:08,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 08:01:08,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1779508689, now seen corresponding path program 1 times
[2020-09-25 08:01:08,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 08:01:08,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1045842399]
[2020-09-25 08:01:08,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 08:01:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-25 08:01:08,189 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-25 08:01:08,189 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-25 08:01:08,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-25 08:01:08,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 08:01:08 BoogieIcfgContainer
[2020-09-25 08:01:08,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 08:01:08,223 INFO L168 Benchmark]: Toolchain (without parser) took 5385.13 ms. Allocated memory was 140.5 MB in the beginning and 245.9 MB in the end (delta: 105.4 MB). Free memory was 103.3 MB in the beginning and 214.1 MB in the end (delta: -110.8 MB). Peak memory consumption was 112.1 MB. Max. memory is 7.1 GB.
[2020-09-25 08:01:08,224 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2020-09-25 08:01:08,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.67 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.6 MB in the beginning and 182.3 MB in the end (delta: -79.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB.
[2020-09-25 08:01:08,226 INFO L168 Benchmark]: Boogie Preprocessor took 66.88 ms. Allocated memory is still 203.4 MB. Free memory was 182.3 MB in the beginning and 180.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB.
[2020-09-25 08:01:08,227 INFO L168 Benchmark]: RCFGBuilder took 513.76 ms. Allocated memory is still 203.4 MB. Free memory was 180.0 MB in the beginning and 157.5 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB.
[2020-09-25 08:01:08,228 INFO L168 Benchmark]: TraceAbstraction took 4271.93 ms. Allocated memory was 203.4 MB in the beginning and 245.9 MB in the end (delta: 42.5 MB). Free memory was 156.9 MB in the beginning and 214.1 MB in the end (delta: -57.2 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB.
[2020-09-25 08:01:08,232 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 524.67 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 102.6 MB in the beginning and 182.3 MB in the end (delta: -79.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 66.88 ms. Allocated memory is still 203.4 MB. Free memory was 182.3 MB in the beginning and 180.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 513.76 ms. Allocated memory is still 203.4 MB. Free memory was 180.0 MB in the beginning and 157.5 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 4271.93 ms. Allocated memory was 203.4 MB in the beginning and 245.9 MB in the end (delta: 42.5 MB). Free memory was 156.9 MB in the beginning and 214.1 MB in the end (delta: -57.2 MB). Peak memory consumption was 102.9 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] EXPR sum[0]
[L38] EXPR a[i]
[L38] sum[0] = sum[0] + a[i]
[L36] i++
[L36] COND FALSE !(i<N)
[L41] i=0
[L41] COND TRUE i<N
[L43] EXPR a[i]
[L43] EXPR sum[0]
[L43] a[i] = a[i] + sum[0]
[L41] i++
[L41] COND FALSE !(i<N)
[L46] i=0
[L46] COND TRUE i<N
[L48] EXPR a[i]
[L48] b[i] = a[i] + 1
[L46] i++
[L46] COND FALSE !(i<N)
[L51] i=0
[L51] COND TRUE i<N
[L53] EXPR b[i]
[L53] CALL __VERIFIER_assert(b[i] == N)
[L13] COND TRUE !(cond)
[L13] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 137 SDtfs, 98 SDslu, 33 SDs, 0 SdLazy, 182 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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=81occurred 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, 3.2s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 5092 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...