/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_1072d.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:13:16,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:13:16,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:13:16,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:13:16,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:13:16,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:13:16,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:13:16,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:13:16,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:13:16,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:13:16,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:13:16,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:13:16,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:13:16,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:13:16,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:13:16,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:13:16,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:13:16,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:13:16,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:13:16,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:13:16,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:13:16,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:13:16,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:13:16,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:13:16,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:13:16,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:13:16,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:13:16,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:13:16,717 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:13:16,726 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:13:16,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:13:16,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:13:16,728 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:13:16,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:13:16,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:13:16,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:13:16,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:13:16,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:13:16,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:13:16,730 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:13:16,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:13:16,730 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:13:16,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:13:16,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:13:16,731 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:13:16,731 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:13:16,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:13:16,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:13:16,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:13:16,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:13:16,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:13:16,732 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:13:17,062 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:13:17,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:13:17,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:13:17,085 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:13:17,086 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:13:17,087 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1072d.c [2020-07-18 00:13:17,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3333582d/faf44d78e9fa4a4382a1ec29f6463b06/FLAGc8bacc357 [2020-07-18 00:13:17,661 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:13:17,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1072d.c [2020-07-18 00:13:17,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3333582d/faf44d78e9fa4a4382a1ec29f6463b06/FLAGc8bacc357 [2020-07-18 00:13:18,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3333582d/faf44d78e9fa4a4382a1ec29f6463b06 [2020-07-18 00:13:18,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:13:18,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:13:18,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:18,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:13:18,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:13:18,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:18" (1/1) ... [2020-07-18 00:13:18,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce17be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:18, skipping insertion in model container [2020-07-18 00:13:18,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:13:18" (1/1) ... [2020-07-18 00:13:18,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:13:18,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:13:18,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:18,260 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:13:18,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:13:18,421 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:13:18,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:18 WrapperNode [2020-07-18 00:13:18,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:13:18,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:13:18,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:13:18,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:13:18,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:18" (1/1) ... [2020-07-18 00:13:18,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:18" (1/1) ... [2020-07-18 00:13:18,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:18" (1/1) ... [2020-07-18 00:13:18,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:18" (1/1) ... [2020-07-18 00:13:18,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:18" (1/1) ... [2020-07-18 00:13:18,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:18" (1/1) ... [2020-07-18 00:13:18,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:18" (1/1) ... [2020-07-18 00:13:18,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:13:18,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:13:18,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:13:18,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:13:18,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:18" (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 [2020-07-18 00:13:18,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:13:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:13:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-18 00:13:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2020-07-18 00:13:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2020-07-18 00:13:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:13:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:13:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-18 00:13:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2020-07-18 00:13:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:13:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-18 00:13:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:13:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:13:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:13:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-18 00:13:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2020-07-18 00:13:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:13:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:13:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:13:19,336 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:13:19,336 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-07-18 00:13:19,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:19 BoogieIcfgContainer [2020-07-18 00:13:19,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:13:19,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:13:19,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:13:19,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:13:19,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:13:18" (1/3) ... [2020-07-18 00:13:19,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4ec8d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:19, skipping insertion in model container [2020-07-18 00:13:19,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:13:18" (2/3) ... [2020-07-18 00:13:19,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d4ec8d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:13:19, skipping insertion in model container [2020-07-18 00:13:19,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:13:19" (3/3) ... [2020-07-18 00:13:19,352 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072d.c [2020-07-18 00:13:19,363 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:13:19,373 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:13:19,387 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:13:19,410 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:13:19,411 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:13:19,411 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:13:19,411 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:13:19,412 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:13:19,412 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:13:19,412 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:13:19,412 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:13:19,428 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-07-18 00:13:19,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-07-18 00:13:19,441 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:19,442 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] [2020-07-18 00:13:19,442 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:19,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:19,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1396348261, now seen corresponding path program 1 times [2020-07-18 00:13:19,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:19,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1421507392] [2020-07-18 00:13:19,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:19,655 INFO L280 TraceCheckUtils]: 0: Hoare triple {148#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {117#true} is VALID [2020-07-18 00:13:19,655 INFO L280 TraceCheckUtils]: 1: Hoare triple {117#true} #valid := #valid[0 := 0]; {117#true} is VALID [2020-07-18 00:13:19,656 INFO L280 TraceCheckUtils]: 2: Hoare triple {117#true} assume 0 < #StackHeapBarrier; {117#true} is VALID [2020-07-18 00:13:19,656 INFO L280 TraceCheckUtils]: 3: Hoare triple {117#true} assume true; {117#true} is VALID [2020-07-18 00:13:19,657 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {117#true} {117#true} #185#return; {117#true} is VALID [2020-07-18 00:13:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:19,693 INFO L280 TraceCheckUtils]: 0: Hoare triple {149#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {117#true} is VALID [2020-07-18 00:13:19,693 INFO L280 TraceCheckUtils]: 1: Hoare triple {117#true} havoc ~signbit~0; {117#true} is VALID [2020-07-18 00:13:19,694 INFO L280 TraceCheckUtils]: 2: Hoare triple {117#true} havoc ~msw~0; {117#true} is VALID [2020-07-18 00:13:19,694 INFO L280 TraceCheckUtils]: 3: Hoare triple {117#true} havoc ~lsw~0; {117#true} is VALID [2020-07-18 00:13:19,694 INFO L280 TraceCheckUtils]: 4: Hoare triple {117#true} havoc ~exponent_less_1023~0; {117#true} is VALID [2020-07-18 00:13:19,696 INFO L280 TraceCheckUtils]: 5: Hoare triple {117#true} assume !true; {118#false} is VALID [2020-07-18 00:13:19,696 INFO L280 TraceCheckUtils]: 6: Hoare triple {118#false} ~signbit~0 := (if ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); {118#false} is VALID [2020-07-18 00:13:19,697 INFO L280 TraceCheckUtils]: 7: Hoare triple {118#false} ~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {118#false} is VALID [2020-07-18 00:13:19,697 INFO L280 TraceCheckUtils]: 8: Hoare triple {118#false} assume ~exponent_less_1023~0 < 20; {118#false} is VALID [2020-07-18 00:13:19,698 INFO L280 TraceCheckUtils]: 9: Hoare triple {118#false} assume !(~exponent_less_1023~0 < 0); {118#false} is VALID [2020-07-18 00:13:19,698 INFO L280 TraceCheckUtils]: 10: Hoare triple {118#false} assume !true; {118#false} is VALID [2020-07-18 00:13:19,699 INFO L280 TraceCheckUtils]: 11: Hoare triple {118#false} #res := ~x; {118#false} is VALID [2020-07-18 00:13:19,699 INFO L280 TraceCheckUtils]: 12: Hoare triple {118#false} assume true; {118#false} is VALID [2020-07-18 00:13:19,699 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {118#false} {117#true} #181#return; {118#false} is VALID [2020-07-18 00:13:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:13:19,713 INFO L280 TraceCheckUtils]: 0: Hoare triple {149#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {117#true} is VALID [2020-07-18 00:13:19,713 INFO L280 TraceCheckUtils]: 1: Hoare triple {117#true} havoc ~hx~0; {117#true} is VALID [2020-07-18 00:13:19,714 INFO L280 TraceCheckUtils]: 2: Hoare triple {117#true} havoc ~lx~0; {117#true} is VALID [2020-07-18 00:13:19,715 INFO L280 TraceCheckUtils]: 3: Hoare triple {117#true} assume !true; {118#false} is VALID [2020-07-18 00:13:19,715 INFO L280 TraceCheckUtils]: 4: Hoare triple {118#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647); {118#false} is VALID [2020-07-18 00:13:19,716 INFO L280 TraceCheckUtils]: 5: Hoare triple {118#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); {118#false} is VALID [2020-07-18 00:13:19,716 INFO L280 TraceCheckUtils]: 6: Hoare triple {118#false} ~hx~0 := 2146435072 - ~hx~0; {118#false} is VALID [2020-07-18 00:13:19,717 INFO L280 TraceCheckUtils]: 7: Hoare triple {118#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); {118#false} is VALID [2020-07-18 00:13:19,717 INFO L280 TraceCheckUtils]: 8: Hoare triple {118#false} assume true; {118#false} is VALID [2020-07-18 00:13:19,718 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {118#false} {118#false} #183#return; {118#false} is VALID [2020-07-18 00:13:19,720 INFO L263 TraceCheckUtils]: 0: Hoare triple {117#true} call ULTIMATE.init(); {148#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:13:19,721 INFO L280 TraceCheckUtils]: 1: Hoare triple {148#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {117#true} is VALID [2020-07-18 00:13:19,721 INFO L280 TraceCheckUtils]: 2: Hoare triple {117#true} #valid := #valid[0 := 0]; {117#true} is VALID [2020-07-18 00:13:19,721 INFO L280 TraceCheckUtils]: 3: Hoare triple {117#true} assume 0 < #StackHeapBarrier; {117#true} is VALID [2020-07-18 00:13:19,722 INFO L280 TraceCheckUtils]: 4: Hoare triple {117#true} assume true; {117#true} is VALID [2020-07-18 00:13:19,722 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {117#true} {117#true} #185#return; {117#true} is VALID [2020-07-18 00:13:19,723 INFO L263 TraceCheckUtils]: 6: Hoare triple {117#true} call #t~ret16 := main(); {117#true} is VALID [2020-07-18 00:13:19,723 INFO L280 TraceCheckUtils]: 7: Hoare triple {117#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(~someUnaryDOUBLEoperation(1.0), 0.0); {117#true} is VALID [2020-07-18 00:13:19,726 INFO L263 TraceCheckUtils]: 8: Hoare triple {117#true} call #t~ret14 := trunc_double(~x~0); {149#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:19,726 INFO L280 TraceCheckUtils]: 9: Hoare triple {149#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {117#true} is VALID [2020-07-18 00:13:19,727 INFO L280 TraceCheckUtils]: 10: Hoare triple {117#true} havoc ~signbit~0; {117#true} is VALID [2020-07-18 00:13:19,727 INFO L280 TraceCheckUtils]: 11: Hoare triple {117#true} havoc ~msw~0; {117#true} is VALID [2020-07-18 00:13:19,727 INFO L280 TraceCheckUtils]: 12: Hoare triple {117#true} havoc ~lsw~0; {117#true} is VALID [2020-07-18 00:13:19,728 INFO L280 TraceCheckUtils]: 13: Hoare triple {117#true} havoc ~exponent_less_1023~0; {117#true} is VALID [2020-07-18 00:13:19,729 INFO L280 TraceCheckUtils]: 14: Hoare triple {117#true} assume !true; {118#false} is VALID [2020-07-18 00:13:19,729 INFO L280 TraceCheckUtils]: 15: Hoare triple {118#false} ~signbit~0 := (if ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~msw~0, 2147483648) % 4294967296 % 4294967296 - 4294967296); {118#false} is VALID [2020-07-18 00:13:19,730 INFO L280 TraceCheckUtils]: 16: Hoare triple {118#false} ~exponent_less_1023~0 := ~bitwiseAnd(~msw~0, 2146435072) / 1048576 - 1023; {118#false} is VALID [2020-07-18 00:13:19,730 INFO L280 TraceCheckUtils]: 17: Hoare triple {118#false} assume ~exponent_less_1023~0 < 20; {118#false} is VALID [2020-07-18 00:13:19,730 INFO L280 TraceCheckUtils]: 18: Hoare triple {118#false} assume !(~exponent_less_1023~0 < 0); {118#false} is VALID [2020-07-18 00:13:19,731 INFO L280 TraceCheckUtils]: 19: Hoare triple {118#false} assume !true; {118#false} is VALID [2020-07-18 00:13:19,731 INFO L280 TraceCheckUtils]: 20: Hoare triple {118#false} #res := ~x; {118#false} is VALID [2020-07-18 00:13:19,732 INFO L280 TraceCheckUtils]: 21: Hoare triple {118#false} assume true; {118#false} is VALID [2020-07-18 00:13:19,732 INFO L275 TraceCheckUtils]: 22: Hoare quadruple {118#false} {117#true} #181#return; {118#false} is VALID [2020-07-18 00:13:19,733 INFO L280 TraceCheckUtils]: 23: Hoare triple {118#false} ~res~0 := #t~ret14; {118#false} is VALID [2020-07-18 00:13:19,733 INFO L280 TraceCheckUtils]: 24: Hoare triple {118#false} havoc #t~ret14; {118#false} is VALID [2020-07-18 00:13:19,733 INFO L263 TraceCheckUtils]: 25: Hoare triple {118#false} call #t~ret15 := isinf_double(~res~0); {149#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-18 00:13:19,734 INFO L280 TraceCheckUtils]: 26: Hoare triple {149#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {117#true} is VALID [2020-07-18 00:13:19,734 INFO L280 TraceCheckUtils]: 27: Hoare triple {117#true} havoc ~hx~0; {117#true} is VALID [2020-07-18 00:13:19,735 INFO L280 TraceCheckUtils]: 28: Hoare triple {117#true} havoc ~lx~0; {117#true} is VALID [2020-07-18 00:13:19,736 INFO L280 TraceCheckUtils]: 29: Hoare triple {117#true} assume !true; {118#false} is VALID [2020-07-18 00:13:19,736 INFO L280 TraceCheckUtils]: 30: Hoare triple {118#false} ~hx~0 := ~bitwiseAnd(~hx~0, 2147483647); {118#false} is VALID [2020-07-18 00:13:19,737 INFO L280 TraceCheckUtils]: 31: Hoare triple {118#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); {118#false} is VALID [2020-07-18 00:13:19,739 INFO L280 TraceCheckUtils]: 32: Hoare triple {118#false} ~hx~0 := 2146435072 - ~hx~0; {118#false} is VALID [2020-07-18 00:13:19,740 INFO L280 TraceCheckUtils]: 33: Hoare triple {118#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); {118#false} is VALID [2020-07-18 00:13:19,740 INFO L280 TraceCheckUtils]: 34: Hoare triple {118#false} assume true; {118#false} is VALID [2020-07-18 00:13:19,740 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {118#false} {118#false} #183#return; {118#false} is VALID [2020-07-18 00:13:19,741 INFO L280 TraceCheckUtils]: 36: Hoare triple {118#false} assume -2147483648 <= #t~ret15 && #t~ret15 <= 2147483647; {118#false} is VALID [2020-07-18 00:13:19,741 INFO L280 TraceCheckUtils]: 37: Hoare triple {118#false} assume 0 == #t~ret15; {118#false} is VALID [2020-07-18 00:13:19,742 INFO L280 TraceCheckUtils]: 38: Hoare triple {118#false} havoc #t~ret15; {118#false} is VALID [2020-07-18 00:13:19,742 INFO L280 TraceCheckUtils]: 39: Hoare triple {118#false} assume !false; {118#false} is VALID [2020-07-18 00:13:19,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:13:19,760 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:13:19,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1421507392] [2020-07-18 00:13:19,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:13:19,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 00:13:19,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224291708] [2020-07-18 00:13:19,775 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-07-18 00:13:19,781 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:13:19,785 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 00:13:19,887 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:19,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 00:13:19,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:13:19,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 00:13:19,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 00:13:19,903 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 4 states. [2020-07-18 00:13:20,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:20,697 INFO L93 Difference]: Finished difference Result 213 states and 242 transitions. [2020-07-18 00:13:20,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-18 00:13:20,698 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-07-18 00:13:20,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:13:20,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 00:13:20,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 242 transitions. [2020-07-18 00:13:20,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 00:13:20,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 242 transitions. [2020-07-18 00:13:20,725 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 242 transitions. [2020-07-18 00:13:21,069 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 242 edges. 242 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:21,089 INFO L225 Difference]: With dead ends: 213 [2020-07-18 00:13:21,089 INFO L226 Difference]: Without dead ends: 107 [2020-07-18 00:13:21,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-18 00:13:21,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-07-18 00:13:21,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2020-07-18 00:13:21,223 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:13:21,224 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand 107 states. [2020-07-18 00:13:21,224 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 107 states. [2020-07-18 00:13:21,225 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 107 states. [2020-07-18 00:13:21,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:21,233 INFO L93 Difference]: Finished difference Result 107 states and 110 transitions. [2020-07-18 00:13:21,233 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 110 transitions. [2020-07-18 00:13:21,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:13:21,235 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:13:21,236 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 107 states. [2020-07-18 00:13:21,236 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 107 states. [2020-07-18 00:13:21,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:13:21,244 INFO L93 Difference]: Finished difference Result 107 states and 110 transitions. [2020-07-18 00:13:21,244 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 110 transitions. [2020-07-18 00:13:21,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:13:21,246 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:13:21,246 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:13:21,246 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:13:21,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-18 00:13:21,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 110 transitions. [2020-07-18 00:13:21,254 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 110 transitions. Word has length 40 [2020-07-18 00:13:21,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:13:21,254 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 110 transitions. [2020-07-18 00:13:21,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 00:13:21,255 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 107 states and 110 transitions. [2020-07-18 00:13:21,368 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:13:21,369 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 110 transitions. [2020-07-18 00:13:21,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-07-18 00:13:21,371 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:13:21,372 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] [2020-07-18 00:13:21,372 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:13:21,372 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:13:21,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:13:21,373 INFO L82 PathProgramCache]: Analyzing trace with hash -247930506, now seen corresponding path program 1 times [2020-07-18 00:13:21,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:13:21,373 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1325003829] [2020-07-18 00:13:21,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:13:21,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 00:13:21,572 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:1010) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1157) 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:283) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:191) 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) [2020-07-18 00:13:21,579 INFO L168 Benchmark]: Toolchain (without parser) took 3563.60 ms. Allocated memory was 140.5 MB in the beginning and 260.0 MB in the end (delta: 119.5 MB). Free memory was 98.6 MB in the beginning and 165.5 MB in the end (delta: -66.8 MB). Peak memory consumption was 52.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:21,580 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 140.5 MB. Free memory was 117.1 MB in the beginning and 116.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 00:13:21,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.60 ms. Allocated memory was 140.5 MB in the beginning and 198.2 MB in the end (delta: 57.7 MB). Free memory was 98.2 MB in the beginning and 175.3 MB in the end (delta: -77.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:21,582 INFO L168 Benchmark]: Boogie Preprocessor took 78.99 ms. Allocated memory is still 198.2 MB. Free memory was 175.3 MB in the beginning and 173.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:21,582 INFO L168 Benchmark]: RCFGBuilder took 840.77 ms. Allocated memory is still 198.2 MB. Free memory was 173.1 MB in the beginning and 123.6 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:21,583 INFO L168 Benchmark]: TraceAbstraction took 2231.98 ms. Allocated memory was 198.2 MB in the beginning and 260.0 MB in the end (delta: 61.9 MB). Free memory was 122.8 MB in the beginning and 165.5 MB in the end (delta: -42.6 MB). Peak memory consumption was 19.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:13:21,587 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 0.87 ms. Allocated memory is still 140.5 MB. Free memory was 117.1 MB in the beginning and 116.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 404.60 ms. Allocated memory was 140.5 MB in the beginning and 198.2 MB in the end (delta: 57.7 MB). Free memory was 98.2 MB in the beginning and 175.3 MB in the end (delta: -77.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.99 ms. Allocated memory is still 198.2 MB. Free memory was 175.3 MB in the beginning and 173.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 840.77 ms. Allocated memory is still 198.2 MB. Free memory was 173.1 MB in the beginning and 123.6 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2231.98 ms. Allocated memory was 198.2 MB in the beginning and 260.0 MB in the end (delta: 61.9 MB). Free memory was 122.8 MB in the beginning and 165.5 MB in the end (delta: -42.6 MB). Peak memory consumption was 19.2 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...