/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1072d.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-8fc6572
[2020-07-10 14:40:16,172 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-10 14:40:16,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-10 14:40:16,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-10 14:40:16,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-10 14:40:16,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-10 14:40:16,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-10 14:40:16,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-10 14:40:16,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-10 14:40:16,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-10 14:40:16,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-10 14:40:16,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-10 14:40:16,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-10 14:40:16,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-10 14:40:16,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-10 14:40:16,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-10 14:40:16,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-10 14:40:16,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-10 14:40:16,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-10 14:40:16,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-10 14:40:16,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-10 14:40:16,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-10 14:40:16,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-10 14:40:16,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-10 14:40:16,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-07-10 14:40:16,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-10 14:40:16,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
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[2020-07-10 14:40:16,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-07-10 14:40:16,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-07-10 14:40:16,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-10 14:40:16,248 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
[2020-07-10 14:40:16,262 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-10 14:40:16,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-10 14:40:16,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-10 14:40:16,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-10 14:40:16,264 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-10 14:40:16,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-10 14:40:16,265 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-10 14:40:16,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-10 14:40:16,265 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-10 14:40:16,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-10 14:40:16,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-10 14:40:16,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-10 14:40:16,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-10 14:40:16,266 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-10 14:40:16,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-10 14:40:16,266 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-10 14:40:16,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-10 14:40:16,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-10 14:40:16,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-10 14:40:16,267 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-10 14:40:16,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-10 14:40:16,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-10 14:40:16,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-10 14:40:16,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-10 14:40:16,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-10 14:40:16,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-10 14:40:16,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-10 14:40:16,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-10 14:40:16,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-10 14:40:16,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-07-10 14:40:16,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-10 14:40:16,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-10 14:40:16,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-10 14:40:16,592 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-10 14:40:16,593 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-10 14:40:16,593 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1072d.c
[2020-07-10 14:40:16,674 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9534a024f/eff1dacc3dd6410c8ad34df718a5b73d/FLAG24561ac10
[2020-07-10 14:40:17,154 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-10 14:40:17,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1072d.c
[2020-07-10 14:40:17,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9534a024f/eff1dacc3dd6410c8ad34df718a5b73d/FLAG24561ac10
[2020-07-10 14:40:17,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9534a024f/eff1dacc3dd6410c8ad34df718a5b73d
[2020-07-10 14:40:17,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-10 14:40:17,499 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-10 14:40:17,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-10 14:40:17,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-10 14:40:17,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-10 14:40:17,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:40:17" (1/1) ...
[2020-07-10 14:40:17,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a11b585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:17, skipping insertion in model container
[2020-07-10 14:40:17,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:40:17" (1/1) ...
[2020-07-10 14:40:17,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-10 14:40:17,539 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-10 14:40:17,737 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-10 14:40:17,742 INFO L203 MainTranslator]: Completed pre-run
[2020-07-10 14:40:17,783 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-10 14:40:17,905 INFO L208 MainTranslator]: Completed translation
[2020-07-10 14:40:17,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:17 WrapperNode
[2020-07-10 14:40:17,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-10 14:40:17,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-10 14:40:17,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-10 14:40:17,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-10 14:40:17,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:17" (1/1) ...
[2020-07-10 14:40:17,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:17" (1/1) ...
[2020-07-10 14:40:17,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:17" (1/1) ...
[2020-07-10 14:40:17,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:17" (1/1) ...
[2020-07-10 14:40:17,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:17" (1/1) ...
[2020-07-10 14:40:17,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:17" (1/1) ...
[2020-07-10 14:40:17,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:17" (1/1) ...
[2020-07-10 14:40:17,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-10 14:40:17,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-10 14:40:17,978 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-10 14:40:17,979 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-10 14:40:17,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:17" (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
[2020-07-10 14:40:18,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-10 14:40:18,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-10 14:40:18,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double
[2020-07-10 14:40:18,046 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double
[2020-07-10 14:40:18,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double
[2020-07-10 14:40:18,046 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-10 14:40:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-10 14:40:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double
[2020-07-10 14:40:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double
[2020-07-10 14:40:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-10 14:40:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2020-07-10 14:40:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-10 14:40:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-10 14:40:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-10 14:40:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2020-07-10 14:40:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double
[2020-07-10 14:40:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-10 14:40:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-10 14:40:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-10 14:40:18,701 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-10 14:40:18,701 INFO L295 CfgBuilder]: Removed 10 assume(true) statements.
[2020-07-10 14:40:18,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:40:18 BoogieIcfgContainer
[2020-07-10 14:40:18,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-10 14:40:18,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-10 14:40:18,708 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-10 14:40:18,711 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-10 14:40:18,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 02:40:17" (1/3) ...
[2020-07-10 14:40:18,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1483bfc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:40:18, skipping insertion in model container
[2020-07-10 14:40:18,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:40:17" (2/3) ...
[2020-07-10 14:40:18,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1483bfc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:40:18, skipping insertion in model container
[2020-07-10 14:40:18,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:40:18" (3/3) ...
[2020-07-10 14:40:18,716 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072d.c
[2020-07-10 14:40:18,727 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-07-10 14:40:18,736 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-10 14:40:18,752 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-10 14:40:18,779 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-10 14:40:18,780 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-10 14:40:18,780 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-07-10 14:40:18,780 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-10 14:40:18,781 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-10 14:40:18,781 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-10 14:40:18,781 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-10 14:40:18,781 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-10 14:40:18,803 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states.
[2020-07-10 14:40:18,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2020-07-10 14:40:18,811 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-10 14:40:18,812 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]
[2020-07-10 14:40:18,813 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-10 14:40:18,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-10 14:40:18,820 INFO L82 PathProgramCache]: Analyzing trace with hash -48260949, now seen corresponding path program 1 times
[2020-07-10 14:40:18,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-07-10 14:40:18,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875799133]
[2020-07-10 14:40:18,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-10 14:40:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-10 14:40:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-10 14:40:19,080 INFO L280 TraceCheckUtils]: 0: Hoare triple {61#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {43#true} is VALID
[2020-07-10 14:40:19,081 INFO L280 TraceCheckUtils]: 1: Hoare triple {43#true} assume true; {43#true} is VALID
[2020-07-10 14:40:19,081 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {43#true} {43#true} #110#return; {43#true} is VALID
[2020-07-10 14:40:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-10 14:40:19,151 INFO L280 TraceCheckUtils]: 0: Hoare triple {62#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~signbit~0;havoc ~msw~0;havoc ~lsw~0;havoc ~exponent_less_1023~0; {43#true} is VALID
[2020-07-10 14:40:19,153 INFO L280 TraceCheckUtils]: 1: Hoare triple {43#true} assume !true; {44#false} is VALID
[2020-07-10 14:40:19,153 INFO L280 TraceCheckUtils]: 2: Hoare triple {44#false} ~signbit~0 := (if ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {44#false} is VALID
[2020-07-10 14:40:19,154 INFO L280 TraceCheckUtils]: 3: Hoare triple {44#false} assume !(~exponent_less_1023~0 < 20); {44#false} is VALID
[2020-07-10 14:40:19,154 INFO L280 TraceCheckUtils]: 4: Hoare triple {44#false} assume ~exponent_less_1023~0 > 51; {44#false} is VALID
[2020-07-10 14:40:19,155 INFO L280 TraceCheckUtils]: 5: Hoare triple {44#false} assume 1024 == ~exponent_less_1023~0;#res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {44#false} is VALID
[2020-07-10 14:40:19,155 INFO L280 TraceCheckUtils]: 6: Hoare triple {44#false} assume true; {44#false} is VALID
[2020-07-10 14:40:19,155 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {44#false} {43#true} #106#return; {44#false} is VALID
[2020-07-10 14:40:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-10 14:40:19,181 INFO L280 TraceCheckUtils]: 0: Hoare triple {62#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~hx~0;havoc ~lx~0; {43#true} is VALID
[2020-07-10 14:40:19,183 INFO L280 TraceCheckUtils]: 1: Hoare triple {43#true} assume !true; {44#false} is VALID
[2020-07-10 14:40:19,184 INFO L280 TraceCheckUtils]: 2: Hoare triple {44#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647);~hx~0 := (if ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 - 4294967296);~hx~0 := 2146435072 - ~hx~0;#res := 1 - (if ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {44#false} is VALID
[2020-07-10 14:40:19,184 INFO L280 TraceCheckUtils]: 3: Hoare triple {44#false} assume true; {44#false} is VALID
[2020-07-10 14:40:19,185 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {44#false} {44#false} #108#return; {44#false} is VALID
[2020-07-10 14:40:19,189 INFO L263 TraceCheckUtils]: 0: Hoare triple {43#true} call ULTIMATE.init(); {61#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID
[2020-07-10 14:40:19,190 INFO L280 TraceCheckUtils]: 1: Hoare triple {61#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {43#true} is VALID
[2020-07-10 14:40:19,190 INFO L280 TraceCheckUtils]: 2: Hoare triple {43#true} assume true; {43#true} is VALID
[2020-07-10 14:40:19,190 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {43#true} {43#true} #110#return; {43#true} is VALID
[2020-07-10 14:40:19,191 INFO L263 TraceCheckUtils]: 4: Hoare triple {43#true} call #t~ret16 := main(); {43#true} is VALID
[2020-07-10 14:40:19,192 INFO L280 TraceCheckUtils]: 5: Hoare triple {43#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(~someUnaryDOUBLEoperation(1.0), 0.0); {43#true} is VALID
[2020-07-10 14:40:19,195 INFO L263 TraceCheckUtils]: 6: Hoare triple {43#true} call #t~ret14 := trunc_double(~x~0); {62#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID
[2020-07-10 14:40:19,196 INFO L280 TraceCheckUtils]: 7: Hoare triple {62#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~signbit~0;havoc ~msw~0;havoc ~lsw~0;havoc ~exponent_less_1023~0; {43#true} is VALID
[2020-07-10 14:40:19,199 INFO L280 TraceCheckUtils]: 8: Hoare triple {43#true} assume !true; {44#false} is VALID
[2020-07-10 14:40:19,200 INFO L280 TraceCheckUtils]: 9: Hoare triple {44#false} ~signbit~0 := (if ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {44#false} is VALID
[2020-07-10 14:40:19,200 INFO L280 TraceCheckUtils]: 10: Hoare triple {44#false} assume !(~exponent_less_1023~0 < 20); {44#false} is VALID
[2020-07-10 14:40:19,200 INFO L280 TraceCheckUtils]: 11: Hoare triple {44#false} assume ~exponent_less_1023~0 > 51; {44#false} is VALID
[2020-07-10 14:40:19,201 INFO L280 TraceCheckUtils]: 12: Hoare triple {44#false} assume 1024 == ~exponent_less_1023~0;#res := ~someBinaryArithmeticDOUBLEoperation(~x, ~x); {44#false} is VALID
[2020-07-10 14:40:19,201 INFO L280 TraceCheckUtils]: 13: Hoare triple {44#false} assume true; {44#false} is VALID
[2020-07-10 14:40:19,201 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {44#false} {43#true} #106#return; {44#false} is VALID
[2020-07-10 14:40:19,202 INFO L280 TraceCheckUtils]: 15: Hoare triple {44#false} ~res~0 := #t~ret14;havoc #t~ret14; {44#false} is VALID
[2020-07-10 14:40:19,202 INFO L263 TraceCheckUtils]: 16: Hoare triple {44#false} call #t~ret15 := isinf_double(~res~0); {62#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID
[2020-07-10 14:40:19,203 INFO L280 TraceCheckUtils]: 17: Hoare triple {62#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~hx~0;havoc ~lx~0; {43#true} is VALID
[2020-07-10 14:40:19,205 INFO L280 TraceCheckUtils]: 18: Hoare triple {43#true} assume !true; {44#false} is VALID
[2020-07-10 14:40:19,205 INFO L280 TraceCheckUtils]: 19: Hoare triple {44#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647);~hx~0 := (if ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, ~bitwiseOr(~lx~0, -~lx~0) / 2147483648) % 4294967296 % 4294967296 - 4294967296);~hx~0 := 2146435072 - ~hx~0;#res := 1 - (if ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 else ~bitwiseOr(~hx~0, -~hx~0) / 2147483648 % 4294967296 % 4294967296 - 4294967296); {44#false} is VALID
[2020-07-10 14:40:19,206 INFO L280 TraceCheckUtils]: 20: Hoare triple {44#false} assume true; {44#false} is VALID
[2020-07-10 14:40:19,206 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {44#false} {44#false} #108#return; {44#false} is VALID
[2020-07-10 14:40:19,207 INFO L280 TraceCheckUtils]: 22: Hoare triple {44#false} assume -2147483648 <= #t~ret15 && #t~ret15 <= 2147483647; {44#false} is VALID
[2020-07-10 14:40:19,207 INFO L280 TraceCheckUtils]: 23: Hoare triple {44#false} assume 0 == #t~ret15;havoc #t~ret15; {44#false} is VALID
[2020-07-10 14:40:19,207 INFO L280 TraceCheckUtils]: 24: Hoare triple {44#false} assume !false; {44#false} is VALID
[2020-07-10 14:40:19,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-10 14:40:19,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875799133]
[2020-07-10 14:40:19,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-10 14:40:19,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-07-10 14:40:19,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100053499]
[2020-07-10 14:40:19,233 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25
[2020-07-10 14:40:19,238 INFO L84 Accepts]: Finished accepts. word is accepted.
[2020-07-10 14:40:19,244 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states.
[2020-07-10 14:40:19,315 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-10 14:40:19,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-07-10 14:40:19,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-07-10 14:40:19,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-07-10 14:40:19,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-07-10 14:40:19,331 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states.
[2020-07-10 14:40:19,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-10 14:40:19,824 INFO L93 Difference]: Finished difference Result 72 states and 101 transitions.
[2020-07-10 14:40:19,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-07-10 14:40:19,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25
[2020-07-10 14:40:19,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-10 14:40:19,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2020-07-10 14:40:19,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 101 transitions.
[2020-07-10 14:40:19,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2020-07-10 14:40:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 101 transitions.
[2020-07-10 14:40:19,846 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 101 transitions.
[2020-07-10 14:40:20,046 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-10 14:40:20,060 INFO L225 Difference]: With dead ends: 72
[2020-07-10 14:40:20,060 INFO L226 Difference]: Without dead ends: 36
[2020-07-10 14:40:20,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-07-10 14:40:20,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2020-07-10 14:40:20,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36.
[2020-07-10 14:40:20,133 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa
[2020-07-10 14:40:20,133 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand 36 states.
[2020-07-10 14:40:20,134 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states.
[2020-07-10 14:40:20,134 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states.
[2020-07-10 14:40:20,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-10 14:40:20,140 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions.
[2020-07-10 14:40:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions.
[2020-07-10 14:40:20,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-10 14:40:20,141 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-10 14:40:20,141 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 36 states.
[2020-07-10 14:40:20,141 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 36 states.
[2020-07-10 14:40:20,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-10 14:40:20,146 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions.
[2020-07-10 14:40:20,146 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions.
[2020-07-10 14:40:20,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-10 14:40:20,147 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-10 14:40:20,147 INFO L88 GeneralOperation]: Finished isEquivalent.
[2020-07-10 14:40:20,147 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa
[2020-07-10 14:40:20,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states.
[2020-07-10 14:40:20,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions.
[2020-07-10 14:40:20,152 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 25
[2020-07-10 14:40:20,152 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-10 14:40:20,153 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions.
[2020-07-10 14:40:20,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-07-10 14:40:20,153 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions.
[2020-07-10 14:40:20,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-07-10 14:40:20,154 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-10 14:40:20,154 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]
[2020-07-10 14:40:20,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-07-10 14:40:20,155 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-10 14:40:20,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-10 14:40:20,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1916763246, now seen corresponding path program 1 times
[2020-07-10 14:40:20,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-07-10 14:40:20,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704432129]
[2020-07-10 14:40:20,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-10 14:40:20,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-07-10 14:40:20,388 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError
at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.<init>(TableauxRow.java:45)
at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275)
at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974)
at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83)
at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165)
at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186)
at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109)
at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891)
at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664)
at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1012)
at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1159)
at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117)
at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494)
at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:300)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:214)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.<init>(InterpolatingTraceCheck.java:96)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:100)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:75)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:127)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
[2020-07-10 14:40:20,395 INFO L168 Benchmark]: Toolchain (without parser) took 2895.44 ms. Allocated memory was 135.3 MB in the beginning and 227.0 MB in the end (delta: 91.8 MB). Free memory was 99.7 MB in the beginning and 131.2 MB in the end (delta: -31.5 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB.
[2020-07-10 14:40:20,395 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory is still 118.0 MB. There was no memory consumed. Max. memory is 7.1 GB.
[2020-07-10 14:40:20,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.48 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 99.3 MB in the beginning and 179.0 MB in the end (delta: -79.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB.
[2020-07-10 14:40:20,397 INFO L168 Benchmark]: Boogie Preprocessor took 71.00 ms. Allocated memory is still 200.8 MB. Free memory was 179.0 MB in the beginning and 175.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB.
[2020-07-10 14:40:20,398 INFO L168 Benchmark]: RCFGBuilder took 728.27 ms. Allocated memory is still 200.8 MB. Free memory was 175.5 MB in the beginning and 136.9 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB.
[2020-07-10 14:40:20,399 INFO L168 Benchmark]: TraceAbstraction took 1683.92 ms. Allocated memory was 200.8 MB in the beginning and 227.0 MB in the end (delta: 26.2 MB). Free memory was 136.9 MB in the beginning and 131.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB.
[2020-07-10 14:40:20,403 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- AssertionsEnabledResult: Assertions are enabled
Assertions are enabled
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory is still 118.0 MB. There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 406.48 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 99.3 MB in the beginning and 179.0 MB in the end (delta: -79.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 71.00 ms. Allocated memory is still 200.8 MB. Free memory was 179.0 MB in the beginning and 175.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 728.27 ms. Allocated memory is still 200.8 MB. Free memory was 175.5 MB in the beginning and 136.9 MB in the end (delta: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 1683.92 ms. Allocated memory was 200.8 MB in the beginning and 227.0 MB in the end (delta: 26.2 MB). Free memory was 136.9 MB in the beginning and 131.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: AssertionError: null
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.<init>(TableauxRow.java:45)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...