/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 interpolation-heuristic=FIRST --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/terminator_02-2.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 16:10:25,232 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 16:10:25,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 16:10:25,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 16:10:25,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 16:10:25,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 16:10:25,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 16:10:25,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 16:10:25,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 16:10:25,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 16:10:25,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 16:10:25,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 16:10:25,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 16:10:25,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 16:10:25,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 16:10:25,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 16:10:25,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 16:10:25,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 16:10:25,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 16:10:25,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 16:10:25,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 16:10:25,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 16:10:25,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 16:10:25,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 16:10:25,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 16:10:25,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 16:10:25,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 16:10:25,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 16:10:25,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 16:10:25,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 16:10:25,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 16:10:25,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 16:10:25,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 16:10:25,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 16:10:25,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 16:10:25,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 16:10:25,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 16:10:25,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 16:10:25,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 16:10:25,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 16:10:25,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 16:10:25,371 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 16:10:25,425 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 16:10:25,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 16:10:25,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 16:10:25,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 16:10:25,429 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 16:10:25,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 16:10:25,430 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 16:10:25,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 16:10:25,431 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 16:10:25,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 16:10:25,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 16:10:25,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 16:10:25,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 16:10:25,433 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 16:10:25,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 16:10:25,433 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 16:10:25,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 16:10:25,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 16:10:25,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 16:10:25,434 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 16:10:25,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 16:10:25,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 16:10:25,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 16:10:25,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 16:10:25,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 16:10:25,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 16:10:25,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 16:10:25,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 16:10:25,436 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 16:10:25,436 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true;
[2020-09-24 16:10:25,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 16:10:25,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 16:10:25,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 16:10:25,963 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 16:10:25,963 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 16:10:25,964 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_02-2.c
[2020-09-24 16:10:26,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01c5212c6/d3efd120c7df4155a11b5b3658ac2e59/FLAG2b2ac4b2a
[2020-09-24 16:10:26,619 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 16:10:26,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/terminator_02-2.c
[2020-09-24 16:10:26,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01c5212c6/d3efd120c7df4155a11b5b3658ac2e59/FLAG2b2ac4b2a
[2020-09-24 16:10:26,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/01c5212c6/d3efd120c7df4155a11b5b3658ac2e59
[2020-09-24 16:10:26,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 16:10:26,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 16:10:26,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 16:10:26,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 16:10:26,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 16:10:26,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:10:26" (1/1) ...
[2020-09-24 16:10:26,998 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 24.09 04:10:26, skipping insertion in model container
[2020-09-24 16:10:26,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:10:26" (1/1) ...
[2020-09-24 16:10:27,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 16:10:27,034 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 16:10:27,240 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:10:27,245 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 16:10:27,267 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:10:27,285 INFO L208 MainTranslator]: Completed translation
[2020-09-24 16:10:27,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:27 WrapperNode
[2020-09-24 16:10:27,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 16:10:27,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 16:10:27,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 16:10:27,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 16:10:27,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:27" (1/1) ...
[2020-09-24 16:10:27,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:27" (1/1) ...
[2020-09-24 16:10:27,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:27" (1/1) ...
[2020-09-24 16:10:27,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:27" (1/1) ...
[2020-09-24 16:10:27,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:27" (1/1) ...
[2020-09-24 16:10:27,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:27" (1/1) ...
[2020-09-24 16:10:27,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:27" (1/1) ...
[2020-09-24 16:10:27,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 16:10:27,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 16:10:27,402 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 16:10:27,402 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 16:10:27,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:27" (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 16:10:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 16:10:27,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 16:10:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-24 16:10:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-24 16:10:27,480 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 16:10:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 16:10:27,480 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-24 16:10:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-24 16:10:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-24 16:10:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 16:10:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2020-09-24 16:10:27,481 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 16:10:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 16:10:27,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 16:10:27,775 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 16:10:27,775 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-24 16:10:27,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:10:27 BoogieIcfgContainer
[2020-09-24 16:10:27,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 16:10:27,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 16:10:27,791 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 16:10:27,795 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 16:10:27,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:10:26" (1/3) ...
[2020-09-24 16:10:27,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3894577d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:10:27, skipping insertion in model container
[2020-09-24 16:10:27,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:10:27" (2/3) ...
[2020-09-24 16:10:27,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3894577d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:10:27, skipping insertion in model container
[2020-09-24 16:10:27,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:10:27" (3/3) ...
[2020-09-24 16:10:27,799 INFO L109 eAbstractionObserver]: Analyzing ICFG terminator_02-2.c
[2020-09-24 16:10:27,821 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 16:10:27,835 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 16:10:27,853 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 16:10:27,882 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 16:10:27,882 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 16:10:27,883 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 16:10:27,883 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 16:10:27,883 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 16:10:27,883 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 16:10:27,883 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 16:10:27,883 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 16:10:27,904 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states.
[2020-09-24 16:10:27,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2020-09-24 16:10:27,911 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:10:27,913 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 16:10:27,914 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:10:27,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:10:27,920 INFO L82 PathProgramCache]: Analyzing trace with hash 664980376, now seen corresponding path program 1 times
[2020-09-24 16:10:27,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:10:27,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335520367]
[2020-09-24 16:10:27,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:10:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:28,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:28,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:28,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:28,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:28,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28
[2020-09-24 16:10:28,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:28,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12
[2020-09-24 16:10:28,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:28,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:28,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21
[2020-09-24 16:10:28,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:28,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:28,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:10:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:28,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:28,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:28,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:28,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:28,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:10:28,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:28,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:10:28,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:28,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:28,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:28,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:10:28,114 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 16:10:28,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335520367]
[2020-09-24 16:10:28,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:10:28,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-09-24 16:10:28,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761903282]
[2020-09-24 16:10:28,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states
[2020-09-24 16:10:28,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:10:28,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2020-09-24 16:10:28,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-09-24 16:10:28,147 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states.
[2020-09-24 16:10:28,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:10:28,178 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions.
[2020-09-24 16:10:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-09-24 16:10:28,180 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19
[2020-09-24 16:10:28,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:10:28,192 INFO L225 Difference]: With dead ends: 55
[2020-09-24 16:10:28,192 INFO L226 Difference]: Without dead ends: 32
[2020-09-24 16:10:28,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2020-09-24 16:10:28,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2020-09-24 16:10:28,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32.
[2020-09-24 16:10:28,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states.
[2020-09-24 16:10:28,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions.
[2020-09-24 16:10:28,249 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 19
[2020-09-24 16:10:28,250 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:10:28,250 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions.
[2020-09-24 16:10:28,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2020-09-24 16:10:28,250 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions.
[2020-09-24 16:10:28,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2020-09-24 16:10:28,251 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:10:28,252 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 16:10:28,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 16:10:28,252 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:10:28,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:10:28,253 INFO L82 PathProgramCache]: Analyzing trace with hash 645586435, now seen corresponding path program 1 times
[2020-09-24 16:10:28,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:10:28,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017470281]
[2020-09-24 16:10:28,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:10:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:28,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1
[2020-09-24 16:10:28,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -2
[2020-09-24 16:10:28,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 2
[2020-09-24 16:10:28,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:28,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28
[2020-09-24 16:10:28,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:28,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36
[2020-09-24 16:10:28,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:28,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 16:10:28,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21
[2020-09-24 16:10:28,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:28,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:10:28,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:10:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:28,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:28,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:28,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:28,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:28,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 16:10:28,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:28,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:10:28,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:28,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:28,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:28,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:28,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:10:28,406 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 16:10:28,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017470281]
[2020-09-24 16:10:28,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:10:28,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-24 16:10:28,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605172160]
[2020-09-24 16:10:28,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 16:10:28,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:10:28,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 16:10:28,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-09-24 16:10:28,411 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 5 states.
[2020-09-24 16:10:28,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:10:28,472 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions.
[2020-09-24 16:10:28,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-09-24 16:10:28,473 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19
[2020-09-24 16:10:28,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:10:28,474 INFO L225 Difference]: With dead ends: 32
[2020-09-24 16:10:28,474 INFO L226 Difference]: Without dead ends: 0
[2020-09-24 16:10:28,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-09-24 16:10:28,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-24 16:10:28,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-24 16:10:28,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-24 16:10:28,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-24 16:10:28,477 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19
[2020-09-24 16:10:28,477 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:10:28,477 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-24 16:10:28,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 16:10:28,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-24 16:10:28,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-24 16:10:28,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 16:10:28,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-24 16:10:28,520 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-09-24 16:10:28,521 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 16:10:28,521 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 16:10:28,521 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-09-24 16:10:28,521 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-24 16:10:28,522 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-24 16:10:28,522 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 4 6) no Hoare annotation was computed.
[2020-09-24 16:10:28,522 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed.
[2020-09-24 16:10:28,522 INFO L268 CegarLoopResult]: For program point L5-1(line 5) no Hoare annotation was computed.
[2020-09-24 16:10:28,522 INFO L268 CegarLoopResult]: For program point L5-3(lines 4 6) no Hoare annotation was computed.
[2020-09-24 16:10:28,523 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 4 6) no Hoare annotation was computed.
[2020-09-24 16:10:28,523 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed.
[2020-09-24 16:10:28,523 INFO L268 CegarLoopResult]: For program point L31-1(line 31) no Hoare annotation was computed.
[2020-09-24 16:10:28,523 INFO L268 CegarLoopResult]: For program point L31-2(line 31) no Hoare annotation was computed.
[2020-09-24 16:10:28,523 INFO L268 CegarLoopResult]: For program point L27(lines 27 32) no Hoare annotation was computed.
[2020-09-24 16:10:28,524 INFO L271 CegarLoopResult]: At program point L27-2(lines 24 33) the Hoare annotation is: true
[2020-09-24 16:10:28,524 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 16 38) no Hoare annotation was computed.
[2020-09-24 16:10:28,524 INFO L268 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed.
[2020-09-24 16:10:28,524 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed.
[2020-09-24 16:10:28,524 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed.
[2020-09-24 16:10:28,524 INFO L268 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed.
[2020-09-24 16:10:28,525 INFO L268 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed.
[2020-09-24 16:10:28,525 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed.
[2020-09-24 16:10:28,525 INFO L268 CegarLoopResult]: For program point L28-1(line 28) no Hoare annotation was computed.
[2020-09-24 16:10:28,525 INFO L268 CegarLoopResult]: For program point L28-2(line 28) no Hoare annotation was computed.
[2020-09-24 16:10:28,526 INFO L264 CegarLoopResult]: At program point L24-2(lines 24 33) the Hoare annotation is: (or (<= main_~z~0 100) (< 99 main_~x~0))
[2020-09-24 16:10:28,526 INFO L268 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed.
[2020-09-24 16:10:28,526 INFO L268 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed.
[2020-09-24 16:10:28,526 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed.
[2020-09-24 16:10:28,526 INFO L268 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed.
[2020-09-24 16:10:28,527 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 16 38) no Hoare annotation was computed.
[2020-09-24 16:10:28,527 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed.
[2020-09-24 16:10:28,527 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 16 38) the Hoare annotation is: true
[2020-09-24 16:10:28,527 INFO L268 CegarLoopResult]: For program point L30-1(line 30) no Hoare annotation was computed.
[2020-09-24 16:10:28,528 INFO L268 CegarLoopResult]: For program point L30-2(line 30) no Hoare annotation was computed.
[2020-09-24 16:10:28,528 INFO L268 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed.
[2020-09-24 16:10:28,528 INFO L268 CegarLoopResult]: For program point L26-1(line 26) no Hoare annotation was computed.
[2020-09-24 16:10:28,528 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed.
[2020-09-24 16:10:28,528 INFO L268 CegarLoopResult]: For program point L22-1(line 22) no Hoare annotation was computed.
[2020-09-24 16:10:28,529 INFO L268 CegarLoopResult]: For program point L18(line 18) no Hoare annotation was computed.
[2020-09-24 16:10:28,529 INFO L268 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed.
[2020-09-24 16:10:28,529 INFO L268 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed.
[2020-09-24 16:10:28,529 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 7 12) the Hoare annotation is: true
[2020-09-24 16:10:28,530 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 7 12) no Hoare annotation was computed.
[2020-09-24 16:10:28,530 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed.
[2020-09-24 16:10:28,530 INFO L268 CegarLoopResult]: For program point L8(lines 8 10) no Hoare annotation was computed.
[2020-09-24 16:10:28,530 INFO L268 CegarLoopResult]: For program point L8-2(lines 7 12) no Hoare annotation was computed.
[2020-09-24 16:10:28,531 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed.
[2020-09-24 16:10:28,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 04:10:28 BoogieIcfgContainer
[2020-09-24 16:10:28,545 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 16:10:28,549 INFO L168 Benchmark]: Toolchain (without parser) took 1565.50 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 103.3 MB in the beginning and 123.3 MB in the end (delta: -20.0 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB.
[2020-09-24 16:10:28,550 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-24 16:10:28,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.19 ms. Allocated memory is still 141.0 MB. Free memory was 102.7 MB in the beginning and 93.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB.
[2020-09-24 16:10:28,552 INFO L168 Benchmark]: Boogie Preprocessor took 114.44 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 93.1 MB in the beginning and 183.0 MB in the end (delta: -89.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
[2020-09-24 16:10:28,553 INFO L168 Benchmark]: RCFGBuilder took 379.76 ms. Allocated memory is still 203.9 MB. Free memory was 183.0 MB in the beginning and 167.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB.
[2020-09-24 16:10:28,554 INFO L168 Benchmark]: TraceAbstraction took 754.51 ms. Allocated memory is still 203.9 MB. Free memory was 167.1 MB in the beginning and 123.3 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB.
[2020-09-24 16:10:28,558 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 299.19 ms. Allocated memory is still 141.0 MB. Free memory was 102.7 MB in the beginning and 93.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 114.44 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 93.1 MB in the beginning and 183.0 MB in the end (delta: -89.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 379.76 ms. Allocated memory is still 203.9 MB. Free memory was 183.0 MB in the beginning and 167.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 754.51 ms. Allocated memory is still 203.9 MB. Free memory was 167.1 MB in the beginning and 123.3 MB in the end (delta: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 9]: 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: 24]: Loop Invariant
Derived loop invariant: 1
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 78 SDtfs, 1 SDslu, 75 SDs, 0 SdLazy, 15 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred 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, 13 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 828 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...