/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/array-fpi/sina1f.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 16:09:57,544 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 16:09:57,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 16:09:57,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 16:09:57,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 16:09:57,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 16:09:57,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 16:09:57,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 16:09:57,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 16:09:57,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 16:09:57,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 16:09:57,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 16:09:57,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 16:09:57,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 16:09:57,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 16:09:57,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 16:09:57,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 16:09:57,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 16:09:57,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 16:09:57,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 16:09:57,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 16:09:57,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 16:09:57,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 16:09:57,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 16:09:57,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 16:09:57,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 16:09:57,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 16:09:57,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 16:09:57,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 16:09:57,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 16:09:57,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 16:09:57,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 16:09:57,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 16:09:57,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 16:09:57,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 16:09:57,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 16:09:57,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 16:09:57,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 16:09:57,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 16:09:57,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 16:09:57,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 16:09:57,614 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 16:09:57,640 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 16:09:57,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 16:09:57,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 16:09:57,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 16:09:57,642 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 16:09:57,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 16:09:57,643 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 16:09:57,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 16:09:57,643 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 16:09:57,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 16:09:57,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 16:09:57,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 16:09:57,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 16:09:57,644 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 16:09:57,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 16:09:57,645 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 16:09:57,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 16:09:57,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 16:09:57,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 16:09:57,646 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 16:09:57,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 16:09:57,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 16:09:57,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 16:09:57,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 16:09:57,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 16:09:57,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 16:09:57,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 16:09:57,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 16:09:57,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 16:09:57,648 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 16:09:58,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 16:09:58,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 16:09:58,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 16:09:58,191 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 16:09:58,192 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 16:09:58,193 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/sina1f.c
[2020-09-24 16:09:58,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbf424937/002f448abfa24d009bfb0aceda7fb510/FLAGfcdf5d7d9
[2020-09-24 16:09:58,832 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 16:09:58,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-fpi/sina1f.c
[2020-09-24 16:09:58,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbf424937/002f448abfa24d009bfb0aceda7fb510/FLAGfcdf5d7d9
[2020-09-24 16:09:59,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbf424937/002f448abfa24d009bfb0aceda7fb510
[2020-09-24 16:09:59,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 16:09:59,212 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 16:09:59,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 16:09:59,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 16:09:59,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 16:09:59,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:09:59" (1/1) ...
[2020-09-24 16:09:59,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25783b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59, skipping insertion in model container
[2020-09-24 16:09:59,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:09:59" (1/1) ...
[2020-09-24 16:09:59,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 16:09:59,272 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 16:09:59,608 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:09:59,621 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 16:09:59,660 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 16:09:59,683 INFO L208 MainTranslator]: Completed translation
[2020-09-24 16:09:59,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59 WrapperNode
[2020-09-24 16:09:59,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 16:09:59,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 16:09:59,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 16:09:59,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 16:09:59,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (1/1) ...
[2020-09-24 16:09:59,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (1/1) ...
[2020-09-24 16:09:59,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (1/1) ...
[2020-09-24 16:09:59,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (1/1) ...
[2020-09-24 16:09:59,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (1/1) ...
[2020-09-24 16:09:59,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (1/1) ...
[2020-09-24 16:09:59,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (1/1) ...
[2020-09-24 16:09:59,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 16:09:59,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 16:09:59,851 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 16:09:59,851 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 16:09:59,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (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 16:09:59,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 16:09:59,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 16:09:59,933 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-24 16:09:59,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-24 16:09:59,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 16:09:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 16:09:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-09-24 16:09:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-24 16:09:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-24 16:09:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 16:09:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-09-24 16:09:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 16:09:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-24 16:09:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-24 16:09:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-24 16:09:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-24 16:09:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-24 16:09:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 16:09:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 16:10:00,359 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 16:10:00,359 INFO L295 CfgBuilder]: Removed 3 assume(true) statements.
[2020-09-24 16:10:00,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:10:00 BoogieIcfgContainer
[2020-09-24 16:10:00,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 16:10:00,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 16:10:00,366 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 16:10:00,370 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 16:10:00,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:09:59" (1/3) ...
[2020-09-24 16:10:00,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774372fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:10:00, skipping insertion in model container
[2020-09-24 16:10:00,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:09:59" (2/3) ...
[2020-09-24 16:10:00,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774372fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:10:00, skipping insertion in model container
[2020-09-24 16:10:00,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:10:00" (3/3) ...
[2020-09-24 16:10:00,374 INFO L109 eAbstractionObserver]: Analyzing ICFG sina1f.c
[2020-09-24 16:10:00,386 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 16:10:00,397 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 16:10:00,420 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 16:10:00,452 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 16:10:00,452 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 16:10:00,452 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 16:10:00,452 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 16:10:00,452 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 16:10:00,452 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 16:10:00,452 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 16:10:00,453 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 16:10:00,473 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states.
[2020-09-24 16:10:00,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2020-09-24 16:10:00,482 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:10:00,483 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:10:00,483 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:10:00,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:10:00,490 INFO L82 PathProgramCache]: Analyzing trace with hash 864246722, now seen corresponding path program 1 times
[2020-09-24 16:10:00,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:10:00,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351933067]
[2020-09-24 16:10:00,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:10:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:00,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:00,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:00,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:00,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:00,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-24 16:10:00,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:00,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11
[2020-09-24 16:10:00,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32
[2020-09-24 16:10:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:00,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:10:00,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:10:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:00,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:00,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:00,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:00,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:00,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 16:10:00,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:00,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:10:00,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:00,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:10:00,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-09-24 16:10:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:00,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:00,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:00,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:00,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:00,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:00,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:00,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2
[2020-09-24 16:10:00,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:00,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:00,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:00,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:10:00,804 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 16:10:00,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351933067]
[2020-09-24 16:10:00,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:10:00,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 16:10:00,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741877580]
[2020-09-24 16:10:00,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 16:10:00,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:10:00,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 16:10:00,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:10:00,835 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 3 states.
[2020-09-24 16:10:01,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:10:01,036 INFO L93 Difference]: Finished difference Result 105 states and 120 transitions.
[2020-09-24 16:10:01,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 16:10:01,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33
[2020-09-24 16:10:01,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:10:01,051 INFO L225 Difference]: With dead ends: 105
[2020-09-24 16:10:01,051 INFO L226 Difference]: Without dead ends: 52
[2020-09-24 16:10:01,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 16:10:01,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2020-09-24 16:10:01,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2020-09-24 16:10:01,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states.
[2020-09-24 16:10:01,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions.
[2020-09-24 16:10:01,115 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 33
[2020-09-24 16:10:01,116 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:10:01,116 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions.
[2020-09-24 16:10:01,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 16:10:01,117 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions.
[2020-09-24 16:10:01,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2020-09-24 16:10:01,118 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:10:01,119 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:10:01,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 16:10:01,119 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:10:01,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:10:01,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1269072019, now seen corresponding path program 1 times
[2020-09-24 16:10:01,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:10:01,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1763041192]
[2020-09-24 16:10:01,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:10:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:01,167 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:01,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:01,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:01,168 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:01,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44
[2020-09-24 16:10:01,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:01,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10
[2020-09-24 16:10:01,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3
[2020-09-24 16:10:01,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18
[2020-09-24 16:10:01,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-24 16:10:01,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:01,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 16:10:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:01,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:01,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:01,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:01,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:01,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12
[2020-09-24 16:10:01,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:01,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-24 16:10:01,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 16:10:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:01,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 16:10:01,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 16:10:01,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2020-09-24 16:10:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 16:10:01,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0
[2020-09-24 16:10:01,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0
[2020-09-24 16:10:01,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0
[2020-09-24 16:10:01,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)
[2020-09-24 16:10:01,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 16:10:01,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 16:10:01,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-24 16:10:01,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST
[2020-09-24 16:10:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 16:10:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 16:10:01,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-24 16:10:01,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 16:10:01,318 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 16:10:01,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1763041192]
[2020-09-24 16:10:01,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 16:10:01,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-24 16:10:01,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31628011]
[2020-09-24 16:10:01,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 16:10:01,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 16:10:01,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 16:10:01,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-09-24 16:10:01,325 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand 5 states.
[2020-09-24 16:10:01,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 16:10:01,561 INFO L93 Difference]: Finished difference Result 77 states and 82 transitions.
[2020-09-24 16:10:01,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-09-24 16:10:01,562 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33
[2020-09-24 16:10:01,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 16:10:01,566 INFO L225 Difference]: With dead ends: 77
[2020-09-24 16:10:01,566 INFO L226 Difference]: Without dead ends: 55
[2020-09-24 16:10:01,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-09-24 16:10:01,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2020-09-24 16:10:01,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54.
[2020-09-24 16:10:01,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states.
[2020-09-24 16:10:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions.
[2020-09-24 16:10:01,581 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 33
[2020-09-24 16:10:01,581 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 16:10:01,582 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions.
[2020-09-24 16:10:01,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 16:10:01,582 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions.
[2020-09-24 16:10:01,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2020-09-24 16:10:01,596 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 16:10:01,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 16:10:01,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 16:10:01,597 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 16:10:01,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 16:10:01,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1661969402, now seen corresponding path program 1 times
[2020-09-24 16:10:01,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 16:10:01,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1689288624]
[2020-09-24 16:10:01,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 16:10:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-09-24 16:10:01,642 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-09-24 16:10:01,643 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-09-24 16:10:01,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-09-24 16:10:01,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 04:10:01 BoogieIcfgContainer
[2020-09-24 16:10:01,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 16:10:01,673 INFO L168 Benchmark]: Toolchain (without parser) took 2465.41 ms. Allocated memory was 144.2 MB in the beginning and 229.1 MB in the end (delta: 84.9 MB). Free memory was 99.9 MB in the beginning and 195.2 MB in the end (delta: -95.4 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-24 16:10:01,674 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 144.2 MB. Free memory was 118.7 MB in the beginning and 118.3 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB.
[2020-09-24 16:10:01,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.02 ms. Allocated memory is still 144.2 MB. Free memory was 99.4 MB in the beginning and 89.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB.
[2020-09-24 16:10:01,676 INFO L168 Benchmark]: Boogie Preprocessor took 164.47 ms. Allocated memory was 144.2 MB in the beginning and 200.3 MB in the end (delta: 56.1 MB). Free memory was 89.0 MB in the beginning and 177.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB.
[2020-09-24 16:10:01,677 INFO L168 Benchmark]: RCFGBuilder took 513.96 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 158.1 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB.
[2020-09-24 16:10:01,678 INFO L168 Benchmark]: TraceAbstraction took 1304.03 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 158.1 MB in the beginning and 195.2 MB in the end (delta: -37.1 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-24 16:10:01,682 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28 ms. Allocated memory is still 144.2 MB. Free memory was 118.7 MB in the beginning and 118.3 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 472.02 ms. Allocated memory is still 144.2 MB. Free memory was 99.4 MB in the beginning and 89.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 164.47 ms. Allocated memory was 144.2 MB in the beginning and 200.3 MB in the end (delta: 56.1 MB). Free memory was 89.0 MB in the beginning and 177.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 513.96 ms. Allocated memory is still 200.3 MB. Free memory was 177.1 MB in the beginning and 158.1 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1304.03 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 158.1 MB in the beginning and 195.2 MB in the end (delta: -37.1 MB). There was no memory consumed. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L17] int N;
[L21] N = __VERIFIER_nondet_int()
[L22] COND FALSE !(N <= 0)
[L23] CALL assume_abort_if_not(N <= 2147483647/sizeof(int))
[L11] COND FALSE !(!cond)
[L23] RET assume_abort_if_not(N <= 2147483647/sizeof(int))
[L25] int i;
[L26] int sum[1];
[L27] int *a = malloc(sizeof(int)*N);
[L29] sum[0] = 1
[L30] i=0
[L30] COND TRUE i<N
[L32] EXPR sum[0]
[L32] sum[0] = sum[0] + 1
[L30] i++
[L30] COND FALSE !(i<N)
[L35] i=0
[L35] COND TRUE i<N
[L37] EXPR sum[0]
[L37] a[i] = sum[0]
[L35] i++
[L35] COND FALSE !(i<N)
[L40] i=0
[L40] COND TRUE i<N
[L42] EXPR a[i]
[L42] CALL __VERIFIER_assert(a[i] == N)
[L13] COND TRUE !(cond)
[L13] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 105 SDtfs, 70 SDslu, 30 SDs, 0 SdLazy, 121 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 3392 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...