/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float11.c
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This is Ultimate 0.1.25-d623d84
[2020-07-20 10:44:35,165 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 10:44:35,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 10:44:35,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 10:44:35,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 10:44:35,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 10:44:35,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 10:44:35,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 10:44:35,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 10:44:35,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 10:44:35,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 10:44:35,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 10:44:35,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 10:44:35,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 10:44:35,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 10:44:35,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 10:44:35,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 10:44:35,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 10:44:35,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 10:44:35,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 10:44:35,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 10:44:35,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 10:44:35,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 10:44:35,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 10:44:35,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 10:44:35,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 10:44:35,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 10:44:35,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 10:44:35,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 10:44:35,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 10:44:35,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 10:44:35,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 10:44:35,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 10:44:35,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 10:44:35,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 10:44:35,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 10:44:35,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 10:44:35,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 10:44:35,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 10:44:35,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 10:44:35,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 10:44:35,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 10:44:35,291 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 10:44:35,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 10:44:35,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 10:44:35,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 10:44:35,293 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 10:44:35,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 10:44:35,293 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 10:44:35,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 10:44:35,296 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 10:44:35,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 10:44:35,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 10:44:35,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 10:44:35,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 10:44:35,297 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 10:44:35,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 10:44:35,298 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 10:44:35,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 10:44:35,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 10:44:35,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 10:44:35,298 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 10:44:35,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 10:44:35,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 10:44:35,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 10:44:35,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 10:44:35,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 10:44:35,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 10:44:35,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:44:35,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 10:44:35,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 10:44:35,300 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 -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY
[2020-07-20 10:44:35,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 10:44:35,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 10:44:35,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 10:44:35,617 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 10:44:35,617 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 10:44:35,618 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float11.c
[2020-07-20 10:44:35,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45a677b43/b2aed01735ab49268b45dffda68eaeba/FLAG0da08cdc3
[2020-07-20 10:44:36,078 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 10:44:36,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float11.c
[2020-07-20 10:44:36,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45a677b43/b2aed01735ab49268b45dffda68eaeba/FLAG0da08cdc3
[2020-07-20 10:44:36,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45a677b43/b2aed01735ab49268b45dffda68eaeba
[2020-07-20 10:44:36,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 10:44:36,519 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 10:44:36,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 10:44:36,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 10:44:36,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 10:44:36,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:36" (1/1) ...
[2020-07-20 10:44:36,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e40fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:36, skipping insertion in model container
[2020-07-20 10:44:36,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:44:36" (1/1) ...
[2020-07-20 10:44:36,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 10:44:36,563 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 10:44:36,762 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 10:44:36,768 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 10:44:36,790 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 10:44:36,804 INFO L208 MainTranslator]: Completed translation
[2020-07-20 10:44:36,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:36 WrapperNode
[2020-07-20 10:44:36,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 10:44:36,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 10:44:36,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 10:44:36,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 10:44:36,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:36" (1/1) ...
[2020-07-20 10:44:36,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:36" (1/1) ...
[2020-07-20 10:44:36,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:36" (1/1) ...
[2020-07-20 10:44:36,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:36" (1/1) ...
[2020-07-20 10:44:36,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:36" (1/1) ...
[2020-07-20 10:44:36,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:36" (1/1) ...
[2020-07-20 10:44:36,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:36" (1/1) ...
[2020-07-20 10:44:36,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 10:44:36,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 10:44:36,926 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 10:44:36,926 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 10:44:36,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:36" (1/1) ...
No working directory specified, using /storage/repos/ultimate/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
[2020-07-20 10:44:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 10:44:37,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 10:44:37,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 10:44:37,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 10:44:37,003 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 10:44:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 10:44:37,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 10:44:37,363 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 10:44:37,364 INFO L295 CfgBuilder]: Removed 0 assume(true) statements.
[2020-07-20 10:44:37,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:37 BoogieIcfgContainer
[2020-07-20 10:44:37,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 10:44:37,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 10:44:37,371 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 10:44:37,373 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 10:44:37,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:44:36" (1/3) ...
[2020-07-20 10:44:37,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c21b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:37, skipping insertion in model container
[2020-07-20 10:44:37,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:44:36" (2/3) ...
[2020-07-20 10:44:37,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74c21b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:44:37, skipping insertion in model container
[2020-07-20 10:44:37,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:44:37" (3/3) ...
[2020-07-20 10:44:37,377 INFO L109 eAbstractionObserver]: Analyzing ICFG float11.c
[2020-07-20 10:44:37,386 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 10:44:37,393 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations.
[2020-07-20 10:44:37,408 INFO L251 AbstractCegarLoop]: Starting to check reachability of 30 error locations.
[2020-07-20 10:44:37,435 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 10:44:37,436 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 10:44:37,436 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 10:44:37,436 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 10:44:37,436 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 10:44:37,436 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 10:44:37,436 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 10:44:37,437 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 10:44:37,464 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states.
[2020-07-20 10:44:37,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2020-07-20 10:44:37,471 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 10:44:37,471 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2020-07-20 10:44:37,472 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 10:44:37,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 10:44:37,478 INFO L82 PathProgramCache]: Analyzing trace with hash -680722770, now seen corresponding path program 1 times
[2020-07-20 10:44:37,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 10:44:37,486 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1430147210]
[2020-07-20 10:44:37,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:44:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 10:44:37,534 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 10:44:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-20 10:44:37,538 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-07-20 10:44:37,550 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-07-20 10:44:37,551 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-20 10:44:37,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 10:44:37,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:44:37 BoogieIcfgContainer
[2020-07-20 10:44:37,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 10:44:37,780 INFO L168 Benchmark]: Toolchain (without parser) took 1261.53 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.3 MB in the beginning and 145.8 MB in the end (delta: -43.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB.
[2020-07-20 10:44:37,781 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2020-07-20 10:44:37,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.99 ms. Allocated memory is still 138.9 MB. Free memory was 101.9 MB in the beginning and 91.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
[2020-07-20 10:44:37,784 INFO L168 Benchmark]: Boogie Preprocessor took 119.40 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 91.9 MB in the beginning and 181.1 MB in the end (delta: -89.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
[2020-07-20 10:44:37,785 INFO L168 Benchmark]: RCFGBuilder took 444.20 ms. Allocated memory is still 202.4 MB. Free memory was 180.4 MB in the beginning and 159.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB.
[2020-07-20 10:44:37,786 INFO L168 Benchmark]: TraceAbstraction took 406.29 ms. Allocated memory is still 202.4 MB. Free memory was 159.2 MB in the beginning and 145.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB.
[2020-07-20 10:44:37,792 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 281.99 ms. Allocated memory is still 138.9 MB. Free memory was 101.9 MB in the beginning and 91.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 119.40 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 91.9 MB in the beginning and 181.1 MB in the end (delta: -89.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 444.20 ms. Allocated memory is still 202.4 MB. Free memory was 180.4 MB in the beginning and 159.9 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 406.29 ms. Allocated memory is still 202.4 MB. Free memory was 159.2 MB in the beginning and 145.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 5.
Possible FailurePath:
[L5] COND TRUE !(1.0<2.5)
[L5] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 98 locations, 30 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 could not prove your program: unable to determine feasibility of some traces
Received shutdown request...