/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 18:34:29,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 18:34:29,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 18:34:29,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 18:34:29,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 18:34:29,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 18:34:29,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 18:34:29,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 18:34:29,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 18:34:29,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 18:34:29,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 18:34:29,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 18:34:29,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 18:34:29,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 18:34:29,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 18:34:29,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 18:34:29,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 18:34:29,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 18:34:29,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 18:34:29,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 18:34:29,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 18:34:29,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 18:34:29,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 18:34:29,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 18:34:29,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 18:34:29,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 18:34:29,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 18:34:29,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 18:34:29,657 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 18:34:29,666 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 18:34:29,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 18:34:29,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 18:34:29,668 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 18:34:29,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 18:34:29,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 18:34:29,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 18:34:29,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 18:34:29,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 18:34:29,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 18:34:29,669 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 18:34:29,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 18:34:29,669 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 18:34:29,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 18:34:29,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 18:34:29,670 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 18:34:29,670 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 18:34:29,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 18:34:29,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:34:29,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 18:34:29,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 18:34:29,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 18:34:29,671 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 18:34:29,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 18:34:29,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 18:34:29,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 18:34:29,960 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 18:34:29,961 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 18:34:29,961 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0730a.c [2020-07-10 18:34:30,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e237983ea/7ecb72c1d1184157b17d0e80082ec352/FLAG9c4703166 [2020-07-10 18:34:30,525 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 18:34:30,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0730a.c [2020-07-10 18:34:30,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e237983ea/7ecb72c1d1184157b17d0e80082ec352/FLAG9c4703166 [2020-07-10 18:34:30,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e237983ea/7ecb72c1d1184157b17d0e80082ec352 [2020-07-10 18:34:30,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 18:34:30,873 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 18:34:30,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 18:34:30,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 18:34:30,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 18:34:30,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:34:30" (1/1) ... [2020-07-10 18:34:30,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5535b093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:30, skipping insertion in model container [2020-07-10 18:34:30,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:34:30" (1/1) ... [2020-07-10 18:34:30,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 18:34:30,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 18:34:31,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:34:31,150 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 18:34:31,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:34:31,310 INFO L208 MainTranslator]: Completed translation [2020-07-10 18:34:31,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31 WrapperNode [2020-07-10 18:34:31,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 18:34:31,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 18:34:31,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 18:34:31,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 18:34:31,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (1/1) ... [2020-07-10 18:34:31,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (1/1) ... [2020-07-10 18:34:31,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (1/1) ... [2020-07-10 18:34:31,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (1/1) ... [2020-07-10 18:34:31,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (1/1) ... [2020-07-10 18:34:31,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (1/1) ... [2020-07-10 18:34:31,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (1/1) ... [2020-07-10 18:34:31,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 18:34:31,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 18:34:31,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 18:34:31,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 18:34:31,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (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 18:34:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 18:34:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 18:34:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-10 18:34:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2020-07-10 18:34:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2020-07-10 18:34:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 18:34:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 18:34:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-10 18:34:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-10 18:34:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2020-07-10 18:34:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 18:34:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-10 18:34:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 18:34:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 18:34:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 18:34:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-10 18:34:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2020-07-10 18:34:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 18:34:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 18:34:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 18:34:32,275 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 18:34:32,276 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-07-10 18:34:32,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:34:32 BoogieIcfgContainer [2020-07-10 18:34:32,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 18:34:32,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 18:34:32,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 18:34:32,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 18:34:32,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 06:34:30" (1/3) ... [2020-07-10 18:34:32,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c39cb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:34:32, skipping insertion in model container [2020-07-10 18:34:32,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:31" (2/3) ... [2020-07-10 18:34:32,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c39cb88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:34:32, skipping insertion in model container [2020-07-10 18:34:32,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:34:32" (3/3) ... [2020-07-10 18:34:32,291 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a.c [2020-07-10 18:34:32,302 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 18:34:32,311 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 18:34:32,327 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 18:34:32,350 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 18:34:32,351 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 18:34:32,351 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 18:34:32,351 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 18:34:32,352 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 18:34:32,352 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 18:34:32,352 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 18:34:32,352 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 18:34:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-07-10 18:34:32,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-10 18:34:32,386 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:34:32,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 18:34:32,388 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:34:32,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:34:32,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1113856544, now seen corresponding path program 1 times [2020-07-10 18:34:32,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:34:32,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1126357827] [2020-07-10 18:34:32,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:34:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:34:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:34:32,628 INFO L280 TraceCheckUtils]: 0: Hoare triple {212#(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; {174#true} is VALID [2020-07-10 18:34:32,629 INFO L280 TraceCheckUtils]: 1: Hoare triple {174#true} #valid := #valid[0 := 0]; {174#true} is VALID [2020-07-10 18:34:32,629 INFO L280 TraceCheckUtils]: 2: Hoare triple {174#true} assume 0 < #StackHeapBarrier; {174#true} is VALID [2020-07-10 18:34:32,630 INFO L280 TraceCheckUtils]: 3: Hoare triple {174#true} ~one_sqrt~0 := 1.0; {174#true} is VALID [2020-07-10 18:34:32,632 INFO L280 TraceCheckUtils]: 4: Hoare triple {174#true} ~tiny_sqrt~0 := 1.0E-300; {174#true} is VALID [2020-07-10 18:34:32,633 INFO L280 TraceCheckUtils]: 5: Hoare triple {174#true} assume true; {174#true} is VALID [2020-07-10 18:34:32,633 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {174#true} {174#true} #324#return; {174#true} is VALID [2020-07-10 18:34:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:34:32,679 INFO L280 TraceCheckUtils]: 0: Hoare triple {213#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {174#true} is VALID [2020-07-10 18:34:32,680 INFO L280 TraceCheckUtils]: 1: Hoare triple {174#true} havoc ~z~0; {174#true} is VALID [2020-07-10 18:34:32,680 INFO L280 TraceCheckUtils]: 2: Hoare triple {174#true} ~sign~0 := -2147483648; {174#true} is VALID [2020-07-10 18:34:32,681 INFO L280 TraceCheckUtils]: 3: Hoare triple {174#true} havoc ~r~0; {174#true} is VALID [2020-07-10 18:34:32,681 INFO L280 TraceCheckUtils]: 4: Hoare triple {174#true} havoc ~t1~0; {174#true} is VALID [2020-07-10 18:34:32,681 INFO L280 TraceCheckUtils]: 5: Hoare triple {174#true} havoc ~s1~0; {174#true} is VALID [2020-07-10 18:34:32,682 INFO L280 TraceCheckUtils]: 6: Hoare triple {174#true} havoc ~ix1~0; {174#true} is VALID [2020-07-10 18:34:32,682 INFO L280 TraceCheckUtils]: 7: Hoare triple {174#true} havoc ~q1~0; {174#true} is VALID [2020-07-10 18:34:32,682 INFO L280 TraceCheckUtils]: 8: Hoare triple {174#true} havoc ~ix0~0; {174#true} is VALID [2020-07-10 18:34:32,683 INFO L280 TraceCheckUtils]: 9: Hoare triple {174#true} havoc ~s0~0; {174#true} is VALID [2020-07-10 18:34:32,683 INFO L280 TraceCheckUtils]: 10: Hoare triple {174#true} havoc ~q~0; {174#true} is VALID [2020-07-10 18:34:32,683 INFO L280 TraceCheckUtils]: 11: Hoare triple {174#true} havoc ~m~0; {174#true} is VALID [2020-07-10 18:34:32,684 INFO L280 TraceCheckUtils]: 12: Hoare triple {174#true} havoc ~t~0; {174#true} is VALID [2020-07-10 18:34:32,684 INFO L280 TraceCheckUtils]: 13: Hoare triple {174#true} havoc ~i~0; {174#true} is VALID [2020-07-10 18:34:32,685 INFO L280 TraceCheckUtils]: 14: Hoare triple {174#true} assume !true; {175#false} is VALID [2020-07-10 18:34:32,686 INFO L280 TraceCheckUtils]: 15: Hoare triple {175#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072); {175#false} is VALID [2020-07-10 18:34:32,686 INFO L280 TraceCheckUtils]: 16: Hoare triple {175#false} #res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {175#false} is VALID [2020-07-10 18:34:32,687 INFO L280 TraceCheckUtils]: 17: Hoare triple {175#false} assume true; {175#false} is VALID [2020-07-10 18:34:32,687 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {175#false} {174#true} #320#return; {175#false} is VALID [2020-07-10 18:34:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 18:34:32,699 INFO L280 TraceCheckUtils]: 0: Hoare triple {213#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {174#true} is VALID [2020-07-10 18:34:32,700 INFO L280 TraceCheckUtils]: 1: Hoare triple {174#true} havoc ~hx~0; {174#true} is VALID [2020-07-10 18:34:32,700 INFO L280 TraceCheckUtils]: 2: Hoare triple {174#true} havoc ~lx~0; {174#true} is VALID [2020-07-10 18:34:32,701 INFO L280 TraceCheckUtils]: 3: Hoare triple {174#true} assume !true; {175#false} is VALID [2020-07-10 18:34:32,701 INFO L280 TraceCheckUtils]: 4: Hoare triple {175#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647); {175#false} is VALID [2020-07-10 18:34:32,702 INFO L280 TraceCheckUtils]: 5: Hoare triple {175#false} ~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); {175#false} is VALID [2020-07-10 18:34:32,702 INFO L280 TraceCheckUtils]: 6: Hoare triple {175#false} ~hx~0 := 2146435072 - ~hx~0; {175#false} is VALID [2020-07-10 18:34:32,703 INFO L280 TraceCheckUtils]: 7: Hoare triple {175#false} #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); {175#false} is VALID [2020-07-10 18:34:32,703 INFO L280 TraceCheckUtils]: 8: Hoare triple {175#false} assume true; {175#false} is VALID [2020-07-10 18:34:32,703 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {175#false} {175#false} #322#return; {175#false} is VALID [2020-07-10 18:34:32,706 INFO L263 TraceCheckUtils]: 0: Hoare triple {174#true} call ULTIMATE.init(); {212#(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 [2020-07-10 18:34:32,706 INFO L280 TraceCheckUtils]: 1: Hoare triple {212#(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; {174#true} is VALID [2020-07-10 18:34:32,706 INFO L280 TraceCheckUtils]: 2: Hoare triple {174#true} #valid := #valid[0 := 0]; {174#true} is VALID [2020-07-10 18:34:32,707 INFO L280 TraceCheckUtils]: 3: Hoare triple {174#true} assume 0 < #StackHeapBarrier; {174#true} is VALID [2020-07-10 18:34:32,707 INFO L280 TraceCheckUtils]: 4: Hoare triple {174#true} ~one_sqrt~0 := 1.0; {174#true} is VALID [2020-07-10 18:34:32,707 INFO L280 TraceCheckUtils]: 5: Hoare triple {174#true} ~tiny_sqrt~0 := 1.0E-300; {174#true} is VALID [2020-07-10 18:34:32,708 INFO L280 TraceCheckUtils]: 6: Hoare triple {174#true} assume true; {174#true} is VALID [2020-07-10 18:34:32,708 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {174#true} {174#true} #324#return; {174#true} is VALID [2020-07-10 18:34:32,708 INFO L263 TraceCheckUtils]: 8: Hoare triple {174#true} call #t~ret13 := main(); {174#true} is VALID [2020-07-10 18:34:32,709 INFO L280 TraceCheckUtils]: 9: Hoare triple {174#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, 0.0); {174#true} is VALID [2020-07-10 18:34:32,711 INFO L263 TraceCheckUtils]: 10: Hoare triple {174#true} call #t~ret11 := __ieee754_sqrt(~x~0); {213#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 18:34:32,711 INFO L280 TraceCheckUtils]: 11: Hoare triple {213#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {174#true} is VALID [2020-07-10 18:34:32,711 INFO L280 TraceCheckUtils]: 12: Hoare triple {174#true} havoc ~z~0; {174#true} is VALID [2020-07-10 18:34:32,712 INFO L280 TraceCheckUtils]: 13: Hoare triple {174#true} ~sign~0 := -2147483648; {174#true} is VALID [2020-07-10 18:34:32,712 INFO L280 TraceCheckUtils]: 14: Hoare triple {174#true} havoc ~r~0; {174#true} is VALID [2020-07-10 18:34:32,712 INFO L280 TraceCheckUtils]: 15: Hoare triple {174#true} havoc ~t1~0; {174#true} is VALID [2020-07-10 18:34:32,713 INFO L280 TraceCheckUtils]: 16: Hoare triple {174#true} havoc ~s1~0; {174#true} is VALID [2020-07-10 18:34:32,713 INFO L280 TraceCheckUtils]: 17: Hoare triple {174#true} havoc ~ix1~0; {174#true} is VALID [2020-07-10 18:34:32,713 INFO L280 TraceCheckUtils]: 18: Hoare triple {174#true} havoc ~q1~0; {174#true} is VALID [2020-07-10 18:34:32,714 INFO L280 TraceCheckUtils]: 19: Hoare triple {174#true} havoc ~ix0~0; {174#true} is VALID [2020-07-10 18:34:32,714 INFO L280 TraceCheckUtils]: 20: Hoare triple {174#true} havoc ~s0~0; {174#true} is VALID [2020-07-10 18:34:32,715 INFO L280 TraceCheckUtils]: 21: Hoare triple {174#true} havoc ~q~0; {174#true} is VALID [2020-07-10 18:34:32,715 INFO L280 TraceCheckUtils]: 22: Hoare triple {174#true} havoc ~m~0; {174#true} is VALID [2020-07-10 18:34:32,715 INFO L280 TraceCheckUtils]: 23: Hoare triple {174#true} havoc ~t~0; {174#true} is VALID [2020-07-10 18:34:32,716 INFO L280 TraceCheckUtils]: 24: Hoare triple {174#true} havoc ~i~0; {174#true} is VALID [2020-07-10 18:34:32,716 INFO L280 TraceCheckUtils]: 25: Hoare triple {174#true} assume !true; {175#false} is VALID [2020-07-10 18:34:32,717 INFO L280 TraceCheckUtils]: 26: Hoare triple {175#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072); {175#false} is VALID [2020-07-10 18:34:32,717 INFO L280 TraceCheckUtils]: 27: Hoare triple {175#false} #res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {175#false} is VALID [2020-07-10 18:34:32,717 INFO L280 TraceCheckUtils]: 28: Hoare triple {175#false} assume true; {175#false} is VALID [2020-07-10 18:34:32,718 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {175#false} {174#true} #320#return; {175#false} is VALID [2020-07-10 18:34:32,718 INFO L280 TraceCheckUtils]: 30: Hoare triple {175#false} ~res~0 := #t~ret11; {175#false} is VALID [2020-07-10 18:34:32,718 INFO L280 TraceCheckUtils]: 31: Hoare triple {175#false} havoc #t~ret11; {175#false} is VALID [2020-07-10 18:34:32,719 INFO L263 TraceCheckUtils]: 32: Hoare triple {175#false} call #t~ret12 := isinf_double(~res~0); {213#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 18:34:32,719 INFO L280 TraceCheckUtils]: 33: Hoare triple {213#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {174#true} is VALID [2020-07-10 18:34:32,720 INFO L280 TraceCheckUtils]: 34: Hoare triple {174#true} havoc ~hx~0; {174#true} is VALID [2020-07-10 18:34:32,720 INFO L280 TraceCheckUtils]: 35: Hoare triple {174#true} havoc ~lx~0; {174#true} is VALID [2020-07-10 18:34:32,721 INFO L280 TraceCheckUtils]: 36: Hoare triple {174#true} assume !true; {175#false} is VALID [2020-07-10 18:34:32,721 INFO L280 TraceCheckUtils]: 37: Hoare triple {175#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647); {175#false} is VALID [2020-07-10 18:34:32,722 INFO L280 TraceCheckUtils]: 38: Hoare triple {175#false} ~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); {175#false} is VALID [2020-07-10 18:34:32,722 INFO L280 TraceCheckUtils]: 39: Hoare triple {175#false} ~hx~0 := 2146435072 - ~hx~0; {175#false} is VALID [2020-07-10 18:34:32,722 INFO L280 TraceCheckUtils]: 40: Hoare triple {175#false} #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); {175#false} is VALID [2020-07-10 18:34:32,723 INFO L280 TraceCheckUtils]: 41: Hoare triple {175#false} assume true; {175#false} is VALID [2020-07-10 18:34:32,723 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {175#false} {175#false} #322#return; {175#false} is VALID [2020-07-10 18:34:32,723 INFO L280 TraceCheckUtils]: 43: Hoare triple {175#false} assume -2147483648 <= #t~ret12 && #t~ret12 <= 2147483647; {175#false} is VALID [2020-07-10 18:34:32,724 INFO L280 TraceCheckUtils]: 44: Hoare triple {175#false} assume 0 == #t~ret12; {175#false} is VALID [2020-07-10 18:34:32,724 INFO L280 TraceCheckUtils]: 45: Hoare triple {175#false} havoc #t~ret12; {175#false} is VALID [2020-07-10 18:34:32,724 INFO L280 TraceCheckUtils]: 46: Hoare triple {175#false} assume !false; {175#false} is VALID [2020-07-10 18:34:32,731 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 18:34:32,731 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:34:32,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1126357827] [2020-07-10 18:34:32,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 18:34:32,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 18:34:32,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584317400] [2020-07-10 18:34:32,743 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-10 18:34:32,746 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 18:34:32,750 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 18:34:32,823 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:34:32,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 18:34:32,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 18:34:32,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 18:34:32,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 18:34:32,836 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 4 states. [2020-07-10 18:34:33,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:34:33,921 INFO L93 Difference]: Finished difference Result 316 states and 377 transitions. [2020-07-10 18:34:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-10 18:34:33,922 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-10 18:34:33,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 18:34:33,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 18:34:33,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 377 transitions. [2020-07-10 18:34:33,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 18:34:33,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 377 transitions. [2020-07-10 18:34:33,949 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 377 transitions. [2020-07-10 18:34:34,367 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 377 edges. 377 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:34:34,390 INFO L225 Difference]: With dead ends: 316 [2020-07-10 18:34:34,390 INFO L226 Difference]: Without dead ends: 164 [2020-07-10 18:34:34,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-10 18:34:34,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-07-10 18:34:34,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-07-10 18:34:34,575 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 18:34:34,576 INFO L82 GeneralOperation]: Start isEquivalent. First operand 164 states. Second operand 164 states. [2020-07-10 18:34:34,576 INFO L74 IsIncluded]: Start isIncluded. First operand 164 states. Second operand 164 states. [2020-07-10 18:34:34,576 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 164 states. [2020-07-10 18:34:34,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:34:34,589 INFO L93 Difference]: Finished difference Result 164 states and 183 transitions. [2020-07-10 18:34:34,589 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 183 transitions. [2020-07-10 18:34:34,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:34:34,591 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:34:34,591 INFO L74 IsIncluded]: Start isIncluded. First operand 164 states. Second operand 164 states. [2020-07-10 18:34:34,592 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 164 states. [2020-07-10 18:34:34,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 18:34:34,602 INFO L93 Difference]: Finished difference Result 164 states and 183 transitions. [2020-07-10 18:34:34,603 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 183 transitions. [2020-07-10 18:34:34,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 18:34:34,605 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 18:34:34,605 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 18:34:34,605 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 18:34:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-07-10 18:34:34,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 183 transitions. [2020-07-10 18:34:34,615 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 183 transitions. Word has length 47 [2020-07-10 18:34:34,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 18:34:34,616 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 183 transitions. [2020-07-10 18:34:34,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 18:34:34,616 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 164 states and 183 transitions. [2020-07-10 18:34:34,827 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 183 edges. 183 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 18:34:34,828 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 183 transitions. [2020-07-10 18:34:34,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-07-10 18:34:34,832 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:34:34,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 18:34:34,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 18:34:34,833 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:34:34,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:34:34,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1544976000, now seen corresponding path program 1 times [2020-07-10 18:34:34,833 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:34:34,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [30617679] [2020-07-10 18:34:34,834 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:34:35,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 18:34:35,058 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.(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.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:96) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:100) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolantsCraigNested(Interpolator.java:146) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.Interpolator.generateInterpolants(Interpolator.java:102) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.acceleratedInterpolationCore(AcceleratedInterpolation.java:266) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:144) 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.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(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.(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 18:34:35,064 INFO L168 Benchmark]: Toolchain (without parser) took 4190.69 ms. Allocated memory was 137.4 MB in the beginning and 250.1 MB in the end (delta: 112.7 MB). Free memory was 102.5 MB in the beginning and 144.8 MB in the end (delta: -42.3 MB). Peak memory consumption was 70.5 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:35,065 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 18:34:35,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.80 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 176.5 MB in the end (delta: -74.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:35,067 INFO L168 Benchmark]: Boogie Preprocessor took 75.05 ms. Allocated memory is still 201.3 MB. Free memory was 176.5 MB in the beginning and 173.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:35,068 INFO L168 Benchmark]: RCFGBuilder took 895.36 ms. Allocated memory is still 201.3 MB. Free memory was 173.8 MB in the beginning and 107.4 MB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:35,069 INFO L168 Benchmark]: TraceAbstraction took 2777.78 ms. Allocated memory was 201.3 MB in the beginning and 250.1 MB in the end (delta: 48.8 MB). Free memory was 106.7 MB in the beginning and 144.8 MB in the end (delta: -38.1 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:35,073 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 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 436.80 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 102.3 MB in the beginning and 176.5 MB in the end (delta: -74.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.05 ms. Allocated memory is still 201.3 MB. Free memory was 176.5 MB in the beginning and 173.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 895.36 ms. Allocated memory is still 201.3 MB. Free memory was 173.8 MB in the beginning and 107.4 MB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2777.78 ms. Allocated memory was 201.3 MB in the beginning and 250.1 MB in the end (delta: 48.8 MB). Free memory was 106.7 MB in the beginning and 144.8 MB in the end (delta: -38.1 MB). Peak memory consumption was 10.7 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.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...