/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_0730a.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-267fbe0
[2020-07-17 22:02:50,828 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-17 22:02:50,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-17 22:02:50,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-17 22:02:50,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-17 22:02:50,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-17 22:02:50,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-17 22:02:50,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-17 22:02:50,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
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[2020-07-17 22:02:50,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
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[2020-07-17 22:02:50,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-17 22:02:50,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-17 22:02:50,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-17 22:02:50,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-17 22:02:50,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-17 22:02:50,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-17 22:02:50,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
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[2020-07-17 22:02:50,916 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
[2020-07-17 22:02:50,946 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-17 22:02:50,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-17 22:02:50,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-17 22:02:50,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-17 22:02:50,948 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-17 22:02:50,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-17 22:02:50,948 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-17 22:02:50,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-17 22:02:50,949 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-17 22:02:50,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-17 22:02:50,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-17 22:02:50,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-17 22:02:50,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-17 22:02:50,950 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-17 22:02:50,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-17 22:02:50,950 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-17 22:02:50,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-17 22:02:50,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-17 22:02:50,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-17 22:02:50,951 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-17 22:02:50,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-17 22:02:50,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-17 22:02:50,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-17 22:02:50,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-17 22:02:50,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-17 22:02:50,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-17 22:02:50,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-17 22:02:50,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-17 22:02:50,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-17 22:02:50,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2020-07-17 22:02:51,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-17 22:02:51,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-17 22:02:51,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-17 22:02:51,265 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-17 22:02:51,265 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-17 22:02:51,266 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730a.c
[2020-07-17 22:02:51,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8caa4c2f1/22c93d4b88af4b26bef412954a36e4ba/FLAG7d3527464
[2020-07-17 22:02:51,857 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-17 22:02:51,858 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0730a.c
[2020-07-17 22:02:51,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8caa4c2f1/22c93d4b88af4b26bef412954a36e4ba/FLAG7d3527464
[2020-07-17 22:02:52,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8caa4c2f1/22c93d4b88af4b26bef412954a36e4ba
[2020-07-17 22:02:52,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-17 22:02:52,215 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-17 22:02:52,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-17 22:02:52,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-17 22:02:52,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-17 22:02:52,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:02:52" (1/1) ...
[2020-07-17 22:02:52,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5edac617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:52, skipping insertion in model container
[2020-07-17 22:02:52,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:02:52" (1/1) ...
[2020-07-17 22:02:52,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-17 22:02:52,261 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-17 22:02:52,484 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-17 22:02:52,490 INFO L203 MainTranslator]: Completed pre-run
[2020-07-17 22:02:52,646 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-17 22:02:52,670 INFO L208 MainTranslator]: Completed translation
[2020-07-17 22:02:52,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:52 WrapperNode
[2020-07-17 22:02:52,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-17 22:02:52,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-17 22:02:52,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-17 22:02:52,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-17 22:02:52,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:52" (1/1) ...
[2020-07-17 22:02:52,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:52" (1/1) ...
[2020-07-17 22:02:52,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:52" (1/1) ...
[2020-07-17 22:02:52,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:52" (1/1) ...
[2020-07-17 22:02:52,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:52" (1/1) ...
[2020-07-17 22:02:52,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:52" (1/1) ...
[2020-07-17 22:02:52,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:52" (1/1) ...
[2020-07-17 22:02:52,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-17 22:02:52,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-17 22:02:52,743 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-17 22:02:52,743 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-17 22:02:52,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:52" (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
[2020-07-17 22:02:52,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-17 22:02:52,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-17 22:02:52,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double
[2020-07-17 22:02:52,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt
[2020-07-17 22:02:52,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double
[2020-07-17 22:02:52,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-17 22:02:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-17 22:02:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double
[2020-07-17 22:02:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double
[2020-07-17 22:02:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt
[2020-07-17 22:02:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-07-17 22:02:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2020-07-17 22:02:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-07-17 22:02:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-07-17 22:02:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-07-17 22:02:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2020-07-17 22:02:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double
[2020-07-17 22:02:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-17 22:02:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-17 22:02:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-17 22:02:53,584 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-17 22:02:53,584 INFO L295 CfgBuilder]: Removed 10 assume(true) statements.
[2020-07-17 22:02:53,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:02:53 BoogieIcfgContainer
[2020-07-17 22:02:53,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-17 22:02:53,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-17 22:02:53,591 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-17 22:02:53,595 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-17 22:02:53,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:02:52" (1/3) ...
[2020-07-17 22:02:53,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e99d21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:02:53, skipping insertion in model container
[2020-07-17 22:02:53,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:52" (2/3) ...
[2020-07-17 22:02:53,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e99d21f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:02:53, skipping insertion in model container
[2020-07-17 22:02:53,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:02:53" (3/3) ...
[2020-07-17 22:02:53,599 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a.c
[2020-07-17 22:02:53,611 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-07-17 22:02:53,619 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-17 22:02:53,633 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-17 22:02:53,656 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-17 22:02:53,656 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-17 22:02:53,656 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-07-17 22:02:53,657 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-17 22:02:53,657 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-17 22:02:53,657 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-17 22:02:53,657 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-17 22:02:53,657 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-17 22:02:53,676 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states.
[2020-07-17 22:02:53,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2020-07-17 22:02:53,683 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-17 22:02:53,684 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]
[2020-07-17 22:02:53,684 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-17 22:02:53,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-17 22:02:53,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1193926202, now seen corresponding path program 1 times
[2020-07-17 22:02:53,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-07-17 22:02:53,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685113131]
[2020-07-17 22:02:53,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-17 22:02:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-17 22:02:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-17 22:02:53,917 INFO L280 TraceCheckUtils]: 0: Hoare triple {83#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-300; {68#true} is VALID
[2020-07-17 22:02:53,918 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} assume true; {68#true} is VALID
[2020-07-17 22:02:53,918 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {68#true} {68#true} #217#return; {68#true} is VALID
[2020-07-17 22:02:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-17 22:02:53,950 INFO L280 TraceCheckUtils]: 0: Hoare triple {84#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~z~0;~sign~0 := -2147483648;havoc ~r~0;havoc ~t1~0;havoc ~s1~0;havoc ~ix1~0;havoc ~q1~0;havoc ~ix0~0;havoc ~s0~0;havoc ~q~0;havoc ~m~0;havoc ~t~0;havoc ~i~0; {68#true} is VALID
[2020-07-17 22:02:53,952 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} assume !true; {69#false} is VALID
[2020-07-17 22:02:53,952 INFO L280 TraceCheckUtils]: 2: Hoare triple {69#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072);#res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {69#false} is VALID
[2020-07-17 22:02:53,953 INFO L280 TraceCheckUtils]: 3: Hoare triple {69#false} assume true; {69#false} is VALID
[2020-07-17 22:02:53,953 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {69#false} {68#true} #213#return; {69#false} is VALID
[2020-07-17 22:02:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-07-17 22:02:53,964 INFO L280 TraceCheckUtils]: 0: Hoare triple {84#(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; {68#true} is VALID
[2020-07-17 22:02:53,965 INFO L280 TraceCheckUtils]: 1: Hoare triple {68#true} assume !true; {69#false} is VALID
[2020-07-17 22:02:53,966 INFO L280 TraceCheckUtils]: 2: Hoare triple {69#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); {69#false} is VALID
[2020-07-17 22:02:53,966 INFO L280 TraceCheckUtils]: 3: Hoare triple {69#false} assume true; {69#false} is VALID
[2020-07-17 22:02:53,967 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {69#false} {69#false} #215#return; {69#false} is VALID
[2020-07-17 22:02:53,971 INFO L263 TraceCheckUtils]: 0: Hoare triple {68#true} call ULTIMATE.init(); {83#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} is VALID
[2020-07-17 22:02:53,972 INFO L280 TraceCheckUtils]: 1: Hoare triple {83#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-300; {68#true} is VALID
[2020-07-17 22:02:53,972 INFO L280 TraceCheckUtils]: 2: Hoare triple {68#true} assume true; {68#true} is VALID
[2020-07-17 22:02:53,973 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {68#true} {68#true} #217#return; {68#true} is VALID
[2020-07-17 22:02:53,973 INFO L263 TraceCheckUtils]: 4: Hoare triple {68#true} call #t~ret13 := main(); {68#true} is VALID
[2020-07-17 22:02:53,974 INFO L280 TraceCheckUtils]: 5: Hoare triple {68#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 0.0); {68#true} is VALID
[2020-07-17 22:02:53,976 INFO L263 TraceCheckUtils]: 6: Hoare triple {68#true} call #t~ret11 := __ieee754_sqrt(~x~0); {84#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID
[2020-07-17 22:02:53,977 INFO L280 TraceCheckUtils]: 7: Hoare triple {84#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~z~0;~sign~0 := -2147483648;havoc ~r~0;havoc ~t1~0;havoc ~s1~0;havoc ~ix1~0;havoc ~q1~0;havoc ~ix0~0;havoc ~s0~0;havoc ~q~0;havoc ~m~0;havoc ~t~0;havoc ~i~0; {68#true} is VALID
[2020-07-17 22:02:53,978 INFO L280 TraceCheckUtils]: 8: Hoare triple {68#true} assume !true; {69#false} is VALID
[2020-07-17 22:02:53,978 INFO L280 TraceCheckUtils]: 9: Hoare triple {69#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072);#res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {69#false} is VALID
[2020-07-17 22:02:53,978 INFO L280 TraceCheckUtils]: 10: Hoare triple {69#false} assume true; {69#false} is VALID
[2020-07-17 22:02:53,979 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {69#false} {68#true} #213#return; {69#false} is VALID
[2020-07-17 22:02:53,979 INFO L280 TraceCheckUtils]: 12: Hoare triple {69#false} ~res~0 := #t~ret11;havoc #t~ret11; {69#false} is VALID
[2020-07-17 22:02:53,980 INFO L263 TraceCheckUtils]: 13: Hoare triple {69#false} call #t~ret12 := isinf_double(~res~0); {84#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID
[2020-07-17 22:02:53,980 INFO L280 TraceCheckUtils]: 14: Hoare triple {84#(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; {68#true} is VALID
[2020-07-17 22:02:53,981 INFO L280 TraceCheckUtils]: 15: Hoare triple {68#true} assume !true; {69#false} is VALID
[2020-07-17 22:02:53,982 INFO L280 TraceCheckUtils]: 16: Hoare triple {69#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); {69#false} is VALID
[2020-07-17 22:02:53,982 INFO L280 TraceCheckUtils]: 17: Hoare triple {69#false} assume true; {69#false} is VALID
[2020-07-17 22:02:53,982 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {69#false} {69#false} #215#return; {69#false} is VALID
[2020-07-17 22:02:53,983 INFO L280 TraceCheckUtils]: 19: Hoare triple {69#false} assume -2147483648 <= #t~ret12 && #t~ret12 <= 2147483647; {69#false} is VALID
[2020-07-17 22:02:53,983 INFO L280 TraceCheckUtils]: 20: Hoare triple {69#false} assume 0 == #t~ret12;havoc #t~ret12; {69#false} is VALID
[2020-07-17 22:02:53,984 INFO L280 TraceCheckUtils]: 21: Hoare triple {69#false} assume !false; {69#false} is VALID
[2020-07-17 22:02:53,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-17 22:02:53,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685113131]
[2020-07-17 22:02:53,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-17 22:02:53,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-07-17 22:02:53,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94075450]
[2020-07-17 22:02:54,000 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22
[2020-07-17 22:02:54,004 INFO L84 Accepts]: Finished accepts. word is accepted.
[2020-07-17 22:02:54,008 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states.
[2020-07-17 22:02:54,067 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-17 22:02:54,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-07-17 22:02:54,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-07-17 22:02:54,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-07-17 22:02:54,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-07-17 22:02:54,081 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 4 states.
[2020-07-17 22:02:54,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-17 22:02:54,877 INFO L93 Difference]: Finished difference Result 122 states and 183 transitions.
[2020-07-17 22:02:54,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2020-07-17 22:02:54,878 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22
[2020-07-17 22:02:54,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-17 22:02:54,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2020-07-17 22:02:54,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 183 transitions.
[2020-07-17 22:02:54,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2020-07-17 22:02:54,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 183 transitions.
[2020-07-17 22:02:54,910 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 183 transitions.
[2020-07-17 22:02:55,204 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity.
[2020-07-17 22:02:55,220 INFO L225 Difference]: With dead ends: 122
[2020-07-17 22:02:55,220 INFO L226 Difference]: Without dead ends: 61
[2020-07-17 22:02:55,225 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
[2020-07-17 22:02:55,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2020-07-17 22:02:55,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61.
[2020-07-17 22:02:55,326 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa
[2020-07-17 22:02:55,328 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 61 states.
[2020-07-17 22:02:55,328 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states.
[2020-07-17 22:02:55,329 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states.
[2020-07-17 22:02:55,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-17 22:02:55,337 INFO L93 Difference]: Finished difference Result 61 states and 80 transitions.
[2020-07-17 22:02:55,338 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions.
[2020-07-17 22:02:55,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-17 22:02:55,339 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-17 22:02:55,339 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 61 states.
[2020-07-17 22:02:55,340 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 61 states.
[2020-07-17 22:02:55,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-17 22:02:55,357 INFO L93 Difference]: Finished difference Result 61 states and 80 transitions.
[2020-07-17 22:02:55,357 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions.
[2020-07-17 22:02:55,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-17 22:02:55,358 INFO L83 IsIncluded]: Finished isIncluded. Language is included
[2020-07-17 22:02:55,358 INFO L88 GeneralOperation]: Finished isEquivalent.
[2020-07-17 22:02:55,359 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa
[2020-07-17 22:02:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states.
[2020-07-17 22:02:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions.
[2020-07-17 22:02:55,374 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 22
[2020-07-17 22:02:55,374 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-17 22:02:55,374 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions.
[2020-07-17 22:02:55,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-07-17 22:02:55,375 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions.
[2020-07-17 22:02:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2020-07-17 22:02:55,377 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-17 22:02:55,377 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]
[2020-07-17 22:02:55,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-07-17 22:02:55,378 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-17 22:02:55,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-17 22:02:55,378 INFO L82 PathProgramCache]: Analyzing trace with hash 788703765, now seen corresponding path program 1 times
[2020-07-17 22:02:55,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-07-17 22:02:55,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901067099]
[2020-07-17 22:02:55,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-07-17 22:02:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-17 22:02:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-07-17 22:02:55,712 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-07-17 22:02:55,712 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-07-17 22:02:55,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-07-17 22:02:55,774 WARN L170 areAnnotationChecker]: __ieee754_sqrtENTRY has no Hoare annotation
[2020-07-17 22:02:55,774 WARN L170 areAnnotationChecker]: isnan_doubleENTRY has no Hoare annotation
[2020-07-17 22:02:55,774 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation
[2020-07-17 22:02:55,776 WARN L170 areAnnotationChecker]: isinf_doubleENTRY has no Hoare annotation
[2020-07-17 22:02:55,776 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation
[2020-07-17 22:02:55,776 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation
[2020-07-17 22:02:55,777 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation
[2020-07-17 22:02:55,777 WARN L170 areAnnotationChecker]: L28-2 has no Hoare annotation
[2020-07-17 22:02:55,777 WARN L170 areAnnotationChecker]: L28-2 has no Hoare annotation
[2020-07-17 22:02:55,778 WARN L170 areAnnotationChecker]: isnan_doubleFINAL has no Hoare annotation
[2020-07-17 22:02:55,778 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation
[2020-07-17 22:02:55,778 WARN L170 areAnnotationChecker]: L135-2 has no Hoare annotation
[2020-07-17 22:02:55,778 WARN L170 areAnnotationChecker]: L135-2 has no Hoare annotation
[2020-07-17 22:02:55,778 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation
[2020-07-17 22:02:55,778 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation
[2020-07-17 22:02:55,778 WARN L170 areAnnotationChecker]: L156 has no Hoare annotation
[2020-07-17 22:02:55,778 WARN L170 areAnnotationChecker]: L156 has no Hoare annotation
[2020-07-17 22:02:55,779 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation
[2020-07-17 22:02:55,779 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation
[2020-07-17 22:02:55,779 WARN L170 areAnnotationChecker]: L28-3 has no Hoare annotation
[2020-07-17 22:02:55,779 WARN L170 areAnnotationChecker]: L28-3 has no Hoare annotation
[2020-07-17 22:02:55,779 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation
[2020-07-17 22:02:55,779 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation
[2020-07-17 22:02:55,779 WARN L170 areAnnotationChecker]: L135-1 has no Hoare annotation
[2020-07-17 22:02:55,779 WARN L170 areAnnotationChecker]: L135-3 has no Hoare annotation
[2020-07-17 22:02:55,780 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation
[2020-07-17 22:02:55,780 WARN L170 areAnnotationChecker]: L156-1 has no Hoare annotation
[2020-07-17 22:02:55,780 WARN L170 areAnnotationChecker]: __ieee754_sqrtFINAL has no Hoare annotation
[2020-07-17 22:02:55,780 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation
[2020-07-17 22:02:55,780 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation
[2020-07-17 22:02:55,780 WARN L170 areAnnotationChecker]: isinf_doubleFINAL has no Hoare annotation
[2020-07-17 22:02:55,780 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation
[2020-07-17 22:02:55,780 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation
[2020-07-17 22:02:55,781 WARN L170 areAnnotationChecker]: __ieee754_sqrtEXIT has no Hoare annotation
[2020-07-17 22:02:55,781 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation
[2020-07-17 22:02:55,781 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation
[2020-07-17 22:02:55,781 WARN L170 areAnnotationChecker]: L39-2 has no Hoare annotation
[2020-07-17 22:02:55,781 WARN L170 areAnnotationChecker]: isinf_doubleEXIT has no Hoare annotation
[2020-07-17 22:02:55,782 WARN L170 areAnnotationChecker]: L159-1 has no Hoare annotation
[2020-07-17 22:02:55,782 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation
[2020-07-17 22:02:55,782 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation
[2020-07-17 22:02:55,782 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation
[2020-07-17 22:02:55,782 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation
[2020-07-17 22:02:55,782 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation
[2020-07-17 22:02:55,782 WARN L170 areAnnotationChecker]: L159-2 has no Hoare annotation
[2020-07-17 22:02:55,782 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation
[2020-07-17 22:02:55,783 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation
[2020-07-17 22:02:55,783 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation
[2020-07-17 22:02:55,783 WARN L170 areAnnotationChecker]: L47-2 has no Hoare annotation
[2020-07-17 22:02:55,783 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation
[2020-07-17 22:02:55,783 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation
[2020-07-17 22:02:55,783 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation
[2020-07-17 22:02:55,783 WARN L170 areAnnotationChecker]: L48-3 has no Hoare annotation
[2020-07-17 22:02:55,783 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation
[2020-07-17 22:02:55,784 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation
[2020-07-17 22:02:55,784 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation
[2020-07-17 22:02:55,784 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation
[2020-07-17 22:02:55,784 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation
[2020-07-17 22:02:55,784 WARN L170 areAnnotationChecker]: L53-3 has no Hoare annotation
[2020-07-17 22:02:55,784 WARN L170 areAnnotationChecker]: L61-2 has no Hoare annotation
[2020-07-17 22:02:55,784 WARN L170 areAnnotationChecker]: L53-4 has no Hoare annotation
[2020-07-17 22:02:55,784 WARN L170 areAnnotationChecker]: L53-2 has no Hoare annotation
[2020-07-17 22:02:55,785 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation
[2020-07-17 22:02:55,785 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation
[2020-07-17 22:02:55,785 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation
[2020-07-17 22:02:55,785 WARN L170 areAnnotationChecker]: L72-3 has no Hoare annotation
[2020-07-17 22:02:55,785 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation
[2020-07-17 22:02:55,785 WARN L170 areAnnotationChecker]: L74 has no Hoare annotation
[2020-07-17 22:02:55,785 WARN L170 areAnnotationChecker]: L85-2 has no Hoare annotation
[2020-07-17 22:02:55,785 WARN L170 areAnnotationChecker]: L85-2 has no Hoare annotation
[2020-07-17 22:02:55,786 WARN L170 areAnnotationChecker]: L85-2 has no Hoare annotation
[2020-07-17 22:02:55,786 WARN L170 areAnnotationChecker]: L74-2 has no Hoare annotation
[2020-07-17 22:02:55,786 WARN L170 areAnnotationChecker]: L85-3 has no Hoare annotation
[2020-07-17 22:02:55,786 WARN L170 areAnnotationChecker]: L85-3 has no Hoare annotation
[2020-07-17 22:02:55,786 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation
[2020-07-17 22:02:55,786 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation
[2020-07-17 22:02:55,786 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation
[2020-07-17 22:02:55,786 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation
[2020-07-17 22:02:55,787 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation
[2020-07-17 22:02:55,787 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation
[2020-07-17 22:02:55,787 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation
[2020-07-17 22:02:55,787 WARN L170 areAnnotationChecker]: L88-2 has no Hoare annotation
[2020-07-17 22:02:55,787 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation
[2020-07-17 22:02:55,787 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation
[2020-07-17 22:02:55,787 WARN L170 areAnnotationChecker]: L120 has no Hoare annotation
[2020-07-17 22:02:55,787 WARN L170 areAnnotationChecker]: L120 has no Hoare annotation
[2020-07-17 22:02:55,787 WARN L170 areAnnotationChecker]: L90-2 has no Hoare annotation
[2020-07-17 22:02:55,788 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation
[2020-07-17 22:02:55,788 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation
[2020-07-17 22:02:55,788 WARN L170 areAnnotationChecker]: L120-2 has no Hoare annotation
[2020-07-17 22:02:55,788 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation
[2020-07-17 22:02:55,788 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation
[2020-07-17 22:02:55,788 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation
[2020-07-17 22:02:55,788 WARN L170 areAnnotationChecker]: L111 has no Hoare annotation
[2020-07-17 22:02:55,788 WARN L170 areAnnotationChecker]: L123-2 has no Hoare annotation
[2020-07-17 22:02:55,789 WARN L170 areAnnotationChecker]: L123-2 has no Hoare annotation
[2020-07-17 22:02:55,790 WARN L170 areAnnotationChecker]: L93-2 has no Hoare annotation
[2020-07-17 22:02:55,790 WARN L170 areAnnotationChecker]: L111-2 has no Hoare annotation
[2020-07-17 22:02:55,790 WARN L170 areAnnotationChecker]: L123-1 has no Hoare annotation
[2020-07-17 22:02:55,790 WARN L170 areAnnotationChecker]: L123-1 has no Hoare annotation
[2020-07-17 22:02:55,790 WARN L170 areAnnotationChecker]: L123-3 has no Hoare annotation
[2020-07-17 22:02:55,790 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing.
[2020-07-17 22:02:55,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:02:55 BoogieIcfgContainer
[2020-07-17 22:02:55,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-17 22:02:55,803 INFO L168 Benchmark]: Toolchain (without parser) took 3588.07 ms. Allocated memory was 136.8 MB in the beginning and 250.6 MB in the end (delta: 113.8 MB). Free memory was 99.4 MB in the beginning and 187.5 MB in the end (delta: -88.0 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB.
[2020-07-17 22:02:55,804 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2020-07-17 22:02:55,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.81 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 99.2 MB in the beginning and 177.0 MB in the end (delta: -77.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB.
[2020-07-17 22:02:55,807 INFO L168 Benchmark]: Boogie Preprocessor took 70.43 ms. Allocated memory is still 201.9 MB. Free memory was 177.0 MB in the beginning and 174.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
[2020-07-17 22:02:55,811 INFO L168 Benchmark]: RCFGBuilder took 846.91 ms. Allocated memory is still 201.9 MB. Free memory was 174.3 MB in the beginning and 122.1 MB in the end (delta: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 7.1 GB.
[2020-07-17 22:02:55,813 INFO L168 Benchmark]: TraceAbstraction took 2207.69 ms. Allocated memory was 201.9 MB in the beginning and 250.6 MB in the end (delta: 48.8 MB). Free memory was 122.1 MB in the beginning and 187.5 MB in the end (delta: -65.4 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-07-17 22:02:55,822 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 0.60 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 455.81 ms. Allocated memory was 136.8 MB in the beginning and 201.9 MB in the end (delta: 65.0 MB). Free memory was 99.2 MB in the beginning and 177.0 MB in the end (delta: -77.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 70.43 ms. Allocated memory is still 201.9 MB. Free memory was 177.0 MB in the beginning and 174.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 846.91 ms. Allocated memory is still 201.9 MB. Free memory was 174.3 MB in the beginning and 122.1 MB in the end (delta: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 2207.69 ms. Allocated memory was 201.9 MB in the beginning and 250.6 MB in the end (delta: 48.8 MB). Free memory was 122.1 MB in the beginning and 187.5 MB in the end (delta: -65.4 MB). There was no memory consumed. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- UnprovableResult [Line: 160]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: overapproximation of bitwiseOr at line 142, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of bitwiseAnd at line 141.
Possible FailurePath:
[L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300;
VAL [\old(one_sqrt)=12884901890, \old(tiny_sqrt)=12884901899, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
[L155] double x = 1.0 / 0.0;
VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
[L156] CALL, EXPR __ieee754_sqrt(x)
VAL [\old(x)=12884901891, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
[L23] double z;
[L24] __int32_t sign = 0x80000000;
[L25] __uint32_t r, t1, s1, ix1, q1;
[L26] __int32_t ix0, s0, q, m, t, i;
VAL [\old(x)=12884901891, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=12884901891]
[L29] ieee_double_shape_type ew_u;
[L30] ew_u.value = (x)
[L31] EXPR ew_u.parts.msw
[L31] (ix0) = ew_u.parts.msw
[L32] EXPR ew_u.parts.lsw
[L32] (ix1) = ew_u.parts.lsw
[L35] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000
[L36] return x * x + x;
VAL [\old(x)=12884901891, ix0=-1, ix1=12884901900, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=12884901891]
[L156] RET, EXPR __ieee754_sqrt(x)
VAL [__ieee754_sqrt(x)=12884901889, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=12884901891]
[L156] double res = __ieee754_sqrt(x);
[L159] CALL, EXPR isinf_double(res)
VAL [\old(x)=12884901889, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
[L134] __int32_t hx, lx;
VAL [\old(x)=12884901889, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=12884901889]
[L136] ieee_double_shape_type ew_u;
[L137] ew_u.value = (x)
[L138] EXPR ew_u.parts.msw
[L138] (hx) = ew_u.parts.msw
[L139] EXPR ew_u.parts.lsw
[L139] (lx) = ew_u.parts.lsw
[L141] hx &= 0x7fffffff
[L142] hx |= (__uint32_t)(lx | (-lx)) >> 31
[L143] hx = 0x7ff00000 - hx
[L144] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31);
VAL [\old(x)=12884901889, \result=0, hx=2146435073, lx=-1, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=12884901889]
[L159] RET, EXPR isinf_double(res)
VAL [isinf_double(res)=0, one_sqrt=1, res=12884901889, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=12884901891]
[L159] COND TRUE !isinf_double(res)
[L160] __VERIFIER_error()
VAL [one_sqrt=1, res=12884901889, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=12884901891]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 6 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 78 SDtfs, 73 SDslu, 5 SDs, 0 SdLazy, 83 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 1260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...