/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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/loopv1.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 19:35:22,275 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 19:35:22,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 19:35:22,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 19:35:22,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 19:35:22,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 19:35:22,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 19:35:22,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 19:35:22,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 19:35:22,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 19:35:22,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 19:35:22,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 19:35:22,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 19:35:22,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 19:35:22,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 19:35:22,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 19:35:22,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 19:35:22,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 19:35:22,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 19:35:22,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 19:35:22,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 19:35:22,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 19:35:22,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 19:35:22,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 19:35:22,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 19:35:22,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 19:35:22,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 19:35:22,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 19:35:22,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 19:35:22,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 19:35:22,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 19:35:22,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 19:35:22,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 19:35:22,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 19:35:22,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 19:35:22,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 19:35:22,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 19:35:22,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 19:35:22,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 19:35:22,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 19:35:22,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 19:35:22,366 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
[2020-09-24 19:35:22,427 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 19:35:22,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 19:35:22,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 19:35:22,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 19:35:22,429 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 19:35:22,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 19:35:22,430 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 19:35:22,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 19:35:22,431 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 19:35:22,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 19:35:22,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 19:35:22,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 19:35:22,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 19:35:22,431 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 19:35:22,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 19:35:22,433 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 19:35:22,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 19:35:22,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 19:35:22,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 19:35:22,434 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 19:35:22,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 19:35:22,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 19:35:22,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 19:35:22,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 19:35:22,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 19:35:22,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 19:35:22,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 19:35:22,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 19:35:22,436 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 19:35:22,436 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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true;
[2020-09-24 19:35:22,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 19:35:22,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 19:35:22,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 19:35:22,919 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 19:35:22,919 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 19:35:22,920 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/loopv1.c
[2020-09-24 19:35:23,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dfca512b8/d081fe0b10a44b4fadd4393f42b72be3/FLAG1ec671106
[2020-09-24 19:35:23,543 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 19:35:23,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops-crafted-1/loopv1.c
[2020-09-24 19:35:23,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dfca512b8/d081fe0b10a44b4fadd4393f42b72be3/FLAG1ec671106
[2020-09-24 19:35:23,908 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dfca512b8/d081fe0b10a44b4fadd4393f42b72be3
[2020-09-24 19:35:23,924 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 19:35:23,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 19:35:23,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 19:35:23,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 19:35:23,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 19:35:23,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:35:23" (1/1) ...
[2020-09-24 19:35:23,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54535c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:23, skipping insertion in model container
[2020-09-24 19:35:23,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:35:23" (1/1) ...
[2020-09-24 19:35:23,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 19:35:23,978 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 19:35:24,257 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 19:35:24,270 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 19:35:24,295 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 19:35:24,317 INFO L208 MainTranslator]: Completed translation
[2020-09-24 19:35:24,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:24 WrapperNode
[2020-09-24 19:35:24,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 19:35:24,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 19:35:24,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 19:35:24,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 19:35:24,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:24" (1/1) ...
[2020-09-24 19:35:24,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:24" (1/1) ...
[2020-09-24 19:35:24,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:24" (1/1) ...
[2020-09-24 19:35:24,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:24" (1/1) ...
[2020-09-24 19:35:24,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:24" (1/1) ...
[2020-09-24 19:35:24,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:24" (1/1) ...
[2020-09-24 19:35:24,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:24" (1/1) ...
[2020-09-24 19:35:24,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 19:35:24,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 19:35:24,487 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 19:35:24,487 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 19:35:24,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:24" (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
[2020-09-24 19:35:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 19:35:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 19:35:24,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-24 19:35:24,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-24 19:35:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 19:35:24,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 19:35:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 19:35:24,586 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-24 19:35:24,587 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-24 19:35:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-24 19:35:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 19:35:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 19:35:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 19:35:24,831 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 19:35:24,832 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-24 19:35:24,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:35:24 BoogieIcfgContainer
[2020-09-24 19:35:24,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 19:35:24,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 19:35:24,842 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 19:35:24,848 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 19:35:24,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:35:23" (1/3) ...
[2020-09-24 19:35:24,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7387ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:35:24, skipping insertion in model container
[2020-09-24 19:35:24,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:24" (2/3) ...
[2020-09-24 19:35:24,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7387ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:35:24, skipping insertion in model container
[2020-09-24 19:35:24,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:35:24" (3/3) ...
[2020-09-24 19:35:24,856 INFO L109 eAbstractionObserver]: Analyzing ICFG loopv1.c
[2020-09-24 19:35:24,881 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 19:35:24,895 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 19:35:24,927 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 19:35:24,968 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 19:35:24,968 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 19:35:24,968 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 19:35:24,968 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 19:35:24,969 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 19:35:24,969 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 19:35:24,969 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 19:35:24,969 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 19:35:25,004 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states.
[2020-09-24 19:35:25,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2020-09-24 19:35:25,014 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 19:35:25,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 19:35:25,016 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 19:35:25,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 19:35:25,026 INFO L82 PathProgramCache]: Analyzing trace with hash 177195790, now seen corresponding path program 1 times
[2020-09-24 19:35:25,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 19:35:25,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657670079]
[2020-09-24 19:35:25,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 19:35:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 19:35:25,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 19:35:25,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 19:35:25,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 19:35:25,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28
[2020-09-24 19:35:25,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 19:35:25,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252
[2020-09-24 19:35:25,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 19:35:25,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 19:35:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21
[2020-09-24 19:35:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 19:35:25,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4
[2020-09-24 19:35:25,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 19:35:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 19:35:25,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 19:35:25,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 19:35:25,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-24 19:35:25,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 19:35:25,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6
[2020-09-24 19:35:25,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 19:35:25,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 19:35:25,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 19:35:25,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 19:35:25,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 19:35:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 19:35:25,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657670079]
[2020-09-24 19:35:25,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 19:35:25,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 19:35:25,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698844437]
[2020-09-24 19:35:25,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 19:35:25,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 19:35:25,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 19:35:25,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 19:35:25,579 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 3 states.
[2020-09-24 19:35:25,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 19:35:25,681 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions.
[2020-09-24 19:35:25,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 19:35:25,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19
[2020-09-24 19:35:25,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 19:35:25,693 INFO L225 Difference]: With dead ends: 46
[2020-09-24 19:35:25,694 INFO L226 Difference]: Without dead ends: 26
[2020-09-24 19:35:25,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 19:35:25,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2020-09-24 19:35:25,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2020-09-24 19:35:25,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states.
[2020-09-24 19:35:25,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions.
[2020-09-24 19:35:25,745 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 19
[2020-09-24 19:35:25,745 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 19:35:25,745 INFO L479 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions.
[2020-09-24 19:35:25,746 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 19:35:25,746 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions.
[2020-09-24 19:35:25,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2020-09-24 19:35:25,747 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 19:35:25,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 19:35:25,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 19:35:25,748 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 19:35:25,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 19:35:25,748 INFO L82 PathProgramCache]: Analyzing trace with hash 163342975, now seen corresponding path program 1 times
[2020-09-24 19:35:25,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 19:35:25,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1384476491]
[2020-09-24 19:35:25,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 19:35:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 19:35:25,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 19:35:25,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 19:35:25,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28
[2020-09-24 19:35:25,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 19:35:25,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116
[2020-09-24 19:35:25,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 19:35:25,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 19:35:25,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19
[2020-09-24 19:35:25,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-24 19:35:25,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 19:35:26,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 19:35:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 19:35:26,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 19:35:26,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000
[2020-09-24 19:35:26,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-24 19:35:26,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 19:35:26,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9
[2020-09-24 19:35:26,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST
[2020-09-24 19:35:26,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 19:35:26,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 19:35:26,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 19:35:26,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 19:35:26,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 19:35:26,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1384476491]
[2020-09-24 19:35:26,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 19:35:26,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-24 19:35:26,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922660484]
[2020-09-24 19:35:26,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-24 19:35:26,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 19:35:26,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-24 19:35:26,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-24 19:35:26,055 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 6 states.
[2020-09-24 19:35:26,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 19:35:26,195 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions.
[2020-09-24 19:35:26,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 19:35:26,196 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19
[2020-09-24 19:35:26,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 19:35:26,197 INFO L225 Difference]: With dead ends: 26
[2020-09-24 19:35:26,197 INFO L226 Difference]: Without dead ends: 0
[2020-09-24 19:35:26,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2020-09-24 19:35:26,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-24 19:35:26,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-24 19:35:26,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-24 19:35:26,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-24 19:35:26,200 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19
[2020-09-24 19:35:26,200 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 19:35:26,201 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-24 19:35:26,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-24 19:35:26,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-24 19:35:26,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-24 19:35:26,202 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 19:35:26,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-24 19:35:26,268 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-09-24 19:35:26,269 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~SIZE~0 |old(~SIZE~0)|)
[2020-09-24 19:35:26,269 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 19:35:26,269 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 19:35:26,270 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-24 19:35:26,270 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-24 19:35:26,270 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-24 19:35:26,270 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 7 9) no Hoare annotation was computed.
[2020-09-24 19:35:26,270 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed.
[2020-09-24 19:35:26,271 INFO L268 CegarLoopResult]: For program point L8-1(line 8) no Hoare annotation was computed.
[2020-09-24 19:35:26,271 INFO L268 CegarLoopResult]: For program point L8-3(lines 7 9) no Hoare annotation was computed.
[2020-09-24 19:35:26,271 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 7 9) no Hoare annotation was computed.
[2020-09-24 19:35:26,271 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed.
[2020-09-24 19:35:26,271 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 18 32) no Hoare annotation was computed.
[2020-09-24 19:35:26,272 INFO L268 CegarLoopResult]: For program point L25-1(lines 25 28) no Hoare annotation was computed.
[2020-09-24 19:35:26,272 INFO L268 CegarLoopResult]: For program point L25-2(line 25) no Hoare annotation was computed.
[2020-09-24 19:35:26,272 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed.
[2020-09-24 19:35:26,272 INFO L268 CegarLoopResult]: For program point L25-4(line 25) no Hoare annotation was computed.
[2020-09-24 19:35:26,272 INFO L264 CegarLoopResult]: At program point L23-2(lines 23 29) the Hoare annotation is: (and (<= main_~i~0 (* 3 (div main_~i~0 3))) (<= 0 main_~i~0))
[2020-09-24 19:35:26,273 INFO L268 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed.
[2020-09-24 19:35:26,273 INFO L264 CegarLoopResult]: At program point L25-5(lines 23 29) the Hoare annotation is: (and (<= main_~i~0 (* 3 (div main_~i~0 3))) (<= 0 main_~i~0))
[2020-09-24 19:35:26,273 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2020-09-24 19:35:26,273 INFO L268 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed.
[2020-09-24 19:35:26,274 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 18 32) no Hoare annotation was computed.
[2020-09-24 19:35:26,274 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed.
[2020-09-24 19:35:26,274 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 18 32) the Hoare annotation is: true
[2020-09-24 19:35:26,274 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed.
[2020-09-24 19:35:26,274 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed.
[2020-09-24 19:35:26,274 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed.
[2020-09-24 19:35:26,275 INFO L268 CegarLoopResult]: For program point L22-1(line 22) no Hoare annotation was computed.
[2020-09-24 19:35:26,275 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed.
[2020-09-24 19:35:26,275 INFO L268 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed.
[2020-09-24 19:35:26,275 INFO L268 CegarLoopResult]: For program point L20-2(line 20) no Hoare annotation was computed.
[2020-09-24 19:35:26,275 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 10 15) the Hoare annotation is: true
[2020-09-24 19:35:26,276 INFO L268 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed.
[2020-09-24 19:35:26,276 INFO L268 CegarLoopResult]: For program point L11(lines 11 13) no Hoare annotation was computed.
[2020-09-24 19:35:26,276 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 10 15) no Hoare annotation was computed.
[2020-09-24 19:35:26,276 INFO L268 CegarLoopResult]: For program point L11-2(lines 10 15) no Hoare annotation was computed.
[2020-09-24 19:35:26,277 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed.
[2020-09-24 19:35:26,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 07:35:26 BoogieIcfgContainer
[2020-09-24 19:35:26,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 19:35:26,303 INFO L168 Benchmark]: Toolchain (without parser) took 2375.24 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.5 MB in the beginning and 99.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 68.0 MB. Max. memory is 7.1 GB.
[2020-09-24 19:35:26,305 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2020-09-24 19:35:26,306 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.51 ms. Allocated memory is still 139.5 MB. Free memory was 101.9 MB in the beginning and 92.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB.
[2020-09-24 19:35:26,307 INFO L168 Benchmark]: Boogie Preprocessor took 164.28 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 92.5 MB in the beginning and 183.9 MB in the end (delta: -91.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
[2020-09-24 19:35:26,308 INFO L168 Benchmark]: RCFGBuilder took 350.18 ms. Allocated memory is still 203.9 MB. Free memory was 183.0 MB in the beginning and 169.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB.
[2020-09-24 19:35:26,309 INFO L168 Benchmark]: TraceAbstraction took 1457.31 ms. Allocated memory is still 203.9 MB. Free memory was 168.5 MB in the beginning and 99.1 MB in the end (delta: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 7.1 GB.
[2020-09-24 19:35:26,313 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 385.51 ms. Allocated memory is still 139.5 MB. Free memory was 101.9 MB in the beginning and 92.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 164.28 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 92.5 MB in the beginning and 183.9 MB in the end (delta: -91.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 350.18 ms. Allocated memory is still 203.9 MB. Free memory was 183.0 MB in the beginning and 169.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1457.31 ms. Allocated memory is still 203.9 MB. Free memory was 168.5 MB in the beginning and 99.1 MB in the end (delta: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 23]: Loop Invariant
Derived loop invariant: i <= 3 * (i / 3) && 0 <= i
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 52 SDtfs, 51 SDslu, 22 SDs, 0 SdLazy, 56 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 9 NumberOfFragments, 29 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 19 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1332 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 correct!
Received shutdown request...