/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --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/while_infinite_loop_3.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-24 22:55:56,466 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 22:55:56,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 22:55:56,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 22:55:56,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 22:55:56,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 22:55:56,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 22:55:56,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 22:55:56,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 22:55:56,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 22:55:56,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 22:55:56,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 22:55:56,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 22:55:56,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 22:55:56,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 22:55:56,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 22:55:56,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 22:55:56,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 22:55:56,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 22:55:56,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 22:55:56,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 22:55:56,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 22:55:56,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 22:55:56,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 22:55:56,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 22:55:56,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 22:55:56,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 22:55:56,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 22:55:56,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 22:55:56,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 22:55:56,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 22:55:56,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 22:55:56,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 22:55:56,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 22:55:56,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 22:55:56,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 22:55:56,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 22:55:56,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 22:55:56,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 22:55:56,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 22:55:56,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 22:55:56,590 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 22:55:56,616 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 22:55:56,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 22:55:56,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 22:55:56,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 22:55:56,618 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 22:55:56,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 22:55:56,618 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 22:55:56,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 22:55:56,619 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 22:55:56,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 22:55:56,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 22:55:56,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 22:55:56,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 22:55:56,620 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 22:55:56,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 22:55:56,620 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 22:55:56,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 22:55:56,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 22:55:56,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 22:55:56,621 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 22:55:56,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 22:55:56,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 22:55:56,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 22:55:56,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 22:55:56,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 22:55:56,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 22:55:56,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 22:55:56,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 22:55:56,623 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 22:55:56,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true;
[2020-09-24 22:55:57,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 22:55:57,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 22:55:57,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 22:55:57,111 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 22:55:57,113 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 22:55:57,114 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_3.c
[2020-09-24 22:55:57,202 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47baa531d/dfefdf14e6f246ec8ab20609175b85d0/FLAG21a933ba2
[2020-09-24 22:55:57,740 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 22:55:57,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops/while_infinite_loop_3.c
[2020-09-24 22:55:57,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47baa531d/dfefdf14e6f246ec8ab20609175b85d0/FLAG21a933ba2
[2020-09-24 22:55:58,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/47baa531d/dfefdf14e6f246ec8ab20609175b85d0
[2020-09-24 22:55:58,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 22:55:58,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 22:55:58,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 22:55:58,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 22:55:58,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 22:55:58,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:55:58" (1/1) ...
[2020-09-24 22:55:58,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da98cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:58, skipping insertion in model container
[2020-09-24 22:55:58,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:55:58" (1/1) ...
[2020-09-24 22:55:58,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 22:55:58,206 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 22:55:58,409 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 22:55:58,415 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 22:55:58,430 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 22:55:58,444 INFO L208 MainTranslator]: Completed translation
[2020-09-24 22:55:58,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:58 WrapperNode
[2020-09-24 22:55:58,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 22:55:58,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 22:55:58,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 22:55:58,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 22:55:58,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:58" (1/1) ...
[2020-09-24 22:55:58,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:58" (1/1) ...
[2020-09-24 22:55:58,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:58" (1/1) ...
[2020-09-24 22:55:58,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:58" (1/1) ...
[2020-09-24 22:55:58,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:58" (1/1) ...
[2020-09-24 22:55:58,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:58" (1/1) ...
[2020-09-24 22:55:58,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:58" (1/1) ...
[2020-09-24 22:55:58,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 22:55:58,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 22:55:58,555 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 22:55:58,556 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-24 22:55:58,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:58" (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 22:55:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 22:55:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 22:55:58,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-24 22:55:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure eval
[2020-09-24 22:55:58,638 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 22:55:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 22:55:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-24 22:55:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure eval
[2020-09-24 22:55:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-24 22:55:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 22:55:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 22:55:58,807 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 22:55:58,807 INFO L295 CfgBuilder]: Removed 2 assume(true) statements.
[2020-09-24 22:55:58,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:55:58 BoogieIcfgContainer
[2020-09-24 22:55:58,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 22:55:58,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 22:55:58,814 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 22:55:58,817 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-24 22:55:58,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:55:58" (1/3) ...
[2020-09-24 22:55:58,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2251606f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:55:58, skipping insertion in model container
[2020-09-24 22:55:58,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:55:58" (2/3) ...
[2020-09-24 22:55:58,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2251606f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:55:58, skipping insertion in model container
[2020-09-24 22:55:58,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:55:58" (3/3) ...
[2020-09-24 22:55:58,822 INFO L109 eAbstractionObserver]: Analyzing ICFG while_infinite_loop_3.c
[2020-09-24 22:55:58,831 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 22:55:58,841 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 22:55:58,862 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 22:55:58,892 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-24 22:55:58,892 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-24 22:55:58,893 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 22:55:58,893 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 22:55:58,893 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 22:55:58,893 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-24 22:55:58,894 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 22:55:58,894 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 22:55:58,915 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states.
[2020-09-24 22:55:58,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-09-24 22:55:58,921 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:55:58,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 22:55:58,922 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:55:58,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:55:58,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1063393928, now seen corresponding path program 1 times
[2020-09-24 22:55:58,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:55:58,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [259898834]
[2020-09-24 22:55:58,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:55:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:55:59,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:55:59,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:55:59,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19
[2020-09-24 22:55:59,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:55:59,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34
[2020-09-24 22:55:59,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:55:59,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:55:59,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12
[2020-09-24 22:55:59,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:55:59,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2
[2020-09-24 22:55:59,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:55:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:55:59,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:55:59,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:55:59,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-24 22:55:59,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:55:59,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4
[2020-09-24 22:55:59,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:55:59,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:55:59,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:55:59,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:55:59,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:55:59,154 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 22:55:59,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [259898834]
[2020-09-24 22:55:59,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:55:59,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-09-24 22:55:59,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735297200]
[2020-09-24 22:55:59,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-09-24 22:55:59,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:55:59,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-09-24 22:55:59,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:55:59,185 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 3 states.
[2020-09-24 22:55:59,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:55:59,249 INFO L93 Difference]: Finished difference Result 39 states and 55 transitions.
[2020-09-24 22:55:59,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-09-24 22:55:59,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10
[2020-09-24 22:55:59,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:55:59,267 INFO L225 Difference]: With dead ends: 39
[2020-09-24 22:55:59,267 INFO L226 Difference]: Without dead ends: 20
[2020-09-24 22:55:59,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-09-24 22:55:59,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2020-09-24 22:55:59,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18.
[2020-09-24 22:55:59,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states.
[2020-09-24 22:55:59,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions.
[2020-09-24 22:55:59,338 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 10
[2020-09-24 22:55:59,338 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:55:59,338 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions.
[2020-09-24 22:55:59,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-09-24 22:55:59,339 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions.
[2020-09-24 22:55:59,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2020-09-24 22:55:59,340 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-24 22:55:59,340 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-24 22:55:59,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 22:55:59,341 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 22:55:59,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 22:55:59,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1652124924, now seen corresponding path program 1 times
[2020-09-24 22:55:59,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 22:55:59,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1963284886]
[2020-09-24 22:55:59,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 22:55:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:55:59,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:55:59,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:55:59,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26
[2020-09-24 22:55:59,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:55:59,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51
[2020-09-24 22:55:59,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:55:59,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4
[2020-09-24 22:55:59,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17
[2020-09-24 22:55:59,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8
[2020-09-24 22:55:59,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 22:55:59,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 22:55:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:55:59,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:55:59,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:55:59,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-24 22:55:59,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:55:59,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5
[2020-09-24 22:55:59,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:55:59,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 22:55:59,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:55:59,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 22:55:59,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:55:59,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2020-09-24 22:55:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 22:55:59,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 22:55:59,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 22:55:59,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-24 22:55:59,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 22:55:59,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8
[2020-09-24 22:55:59,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 22:55:59,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 22:55:59,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 22:55:59,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3
[2020-09-24 22:55:59,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 22:55:59,528 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 22:55:59,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1963284886]
[2020-09-24 22:55:59,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 22:55:59,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-24 22:55:59,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435136347]
[2020-09-24 22:55:59,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-24 22:55:59,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 22:55:59,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-24 22:55:59,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2020-09-24 22:55:59,532 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 6 states.
[2020-09-24 22:55:59,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 22:55:59,625 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions.
[2020-09-24 22:55:59,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-24 22:55:59,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15
[2020-09-24 22:55:59,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 22:55:59,626 INFO L225 Difference]: With dead ends: 18
[2020-09-24 22:55:59,626 INFO L226 Difference]: Without dead ends: 0
[2020-09-24 22:55:59,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2020-09-24 22:55:59,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-24 22:55:59,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-24 22:55:59,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-24 22:55:59,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-24 22:55:59,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15
[2020-09-24 22:55:59,629 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-24 22:55:59,630 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-24 22:55:59,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-09-24 22:55:59,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-24 22:55:59,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-24 22:55:59,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-24 22:55:59,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-24 22:55:59,756 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-09-24 22:55:59,757 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~x~0 |old(~x~0)|)
[2020-09-24 22:55:59,757 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 22:55:59,757 INFO L264 CegarLoopResult]: At program point evalENTRY(lines 12 19) the Hoare annotation is: (or (= ~x~0 |old(~x~0)|) (not (= |old(~x~0)| 0)))
[2020-09-24 22:55:59,757 INFO L268 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed.
[2020-09-24 22:55:59,757 INFO L268 CegarLoopResult]: For program point L14-1(lines 12 19) no Hoare annotation was computed.
[2020-09-24 22:55:59,757 INFO L268 CegarLoopResult]: For program point evalEXIT(lines 12 19) no Hoare annotation was computed.
[2020-09-24 22:55:59,758 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-24 22:55:59,758 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~x~0 0)
[2020-09-24 22:55:59,759 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-24 22:55:59,759 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-24 22:55:59,759 INFO L268 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed.
[2020-09-24 22:55:59,759 INFO L264 CegarLoopResult]: At program point L27(lines 22 33) the Hoare annotation is: (or (= ~x~0 |old(~x~0)|) (not (= |old(~x~0)| 0)))
[2020-09-24 22:55:59,760 INFO L264 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (or (= ~x~0 |old(~x~0)|) (not (= |old(~x~0)| 0)))
[2020-09-24 22:55:59,760 INFO L264 CegarLoopResult]: At program point L26-1(line 26) the Hoare annotation is: (or (= ~x~0 |old(~x~0)|) (not (= |old(~x~0)| 0)))
[2020-09-24 22:55:59,760 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 22 33) no Hoare annotation was computed.
[2020-09-24 22:55:59,760 INFO L264 CegarLoopResult]: At program point L24-1(lines 24 28) the Hoare annotation is: (not (= |old(~x~0)| 0))
[2020-09-24 22:55:59,760 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 22 33) no Hoare annotation was computed.
[2020-09-24 22:55:59,762 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true
[2020-09-24 22:55:59,763 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed.
[2020-09-24 22:55:59,763 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed.
[2020-09-24 22:55:59,763 INFO L268 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed.
[2020-09-24 22:55:59,764 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed.
[2020-09-24 22:55:59,764 INFO L268 CegarLoopResult]: For program point L4-2(lines 3 8) no Hoare annotation was computed.
[2020-09-24 22:55:59,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 10:55:59 BoogieIcfgContainer
[2020-09-24 22:55:59,783 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-24 22:55:59,788 INFO L168 Benchmark]: Toolchain (without parser) took 1622.32 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 103.1 MB in the beginning and 114.3 MB in the end (delta: -11.1 MB). Peak memory consumption was 51.2 MB. Max. memory is 7.1 GB.
[2020-09-24 22:55:59,789 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB.
[2020-09-24 22:55:59,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.33 ms. Allocated memory is still 140.5 MB. Free memory was 102.3 MB in the beginning and 93.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB.
[2020-09-24 22:55:59,792 INFO L168 Benchmark]: Boogie Preprocessor took 109.06 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 93.3 MB in the beginning and 181.7 MB in the end (delta: -88.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB.
[2020-09-24 22:55:59,794 INFO L168 Benchmark]: RCFGBuilder took 256.81 ms. Allocated memory is still 202.9 MB. Free memory was 181.7 MB in the beginning and 170.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB.
[2020-09-24 22:55:59,795 INFO L168 Benchmark]: TraceAbstraction took 969.83 ms. Allocated memory is still 202.9 MB. Free memory was 170.1 MB in the beginning and 114.3 MB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 7.1 GB.
[2020-09-24 22:55:59,804 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 278.33 ms. Allocated memory is still 140.5 MB. Free memory was 102.3 MB in the beginning and 93.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 109.06 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 93.3 MB in the beginning and 181.7 MB in the end (delta: -88.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 256.81 ms. Allocated memory is still 202.9 MB. Free memory was 181.7 MB in the beginning and 170.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 969.83 ms. Allocated memory is still 202.9 MB. Free memory was 170.1 MB in the beginning and 114.3 MB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 5]: 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
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 31 SDtfs, 26 SDslu, 28 SDs, 0 SdLazy, 14 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 44 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 519 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...