/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1072a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 11:59:25,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 11:59:25,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 11:59:25,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 11:59:25,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 11:59:25,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 11:59:25,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 11:59:25,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 11:59:25,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 11:59:25,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 11:59:25,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 11:59:25,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 11:59:25,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 11:59:25,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 11:59:25,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 11:59:25,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 11:59:25,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 11:59:25,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 11:59:25,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 11:59:25,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 11:59:25,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 11:59:25,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 11:59:25,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 11:59:25,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 11:59:25,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 11:59:25,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 11:59:25,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 11:59:25,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 11:59:25,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 11:59:25,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 11:59:25,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 11:59:25,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 11:59:25,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 11:59:25,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 11:59:25,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 11:59:25,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 11:59:25,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-08 11:59:25,740 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 11:59:25,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 11:59:25,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 11:59:25,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 11:59:25,741 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 11:59:25,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 11:59:25,742 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 11:59:25,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 11:59:25,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 11:59:25,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 11:59:25,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 11:59:25,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 11:59:25,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 11:59:25,743 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 11:59:25,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 11:59:25,743 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 11:59:25,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 11:59:25,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 11:59:25,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 11:59:25,744 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 11:59:25,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 11:59:25,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 11:59:25,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 11:59:25,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 11:59:25,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 11:59:25,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 11:59:25,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 11:59:25,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 11:59:25,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 11:59:25,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 11:59:26,029 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 11:59:26,046 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 11:59:26,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 11:59:26,050 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 11:59:26,051 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 11:59:26,052 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1072a.c [2020-07-08 11:59:26,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82ba04c6b/788b0008a6d94a31b6e7740c060412c0/FLAG121c079b7 [2020-07-08 11:59:26,542 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 11:59:26,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1072a.c [2020-07-08 11:59:26,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82ba04c6b/788b0008a6d94a31b6e7740c060412c0/FLAG121c079b7 [2020-07-08 11:59:26,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82ba04c6b/788b0008a6d94a31b6e7740c060412c0 [2020-07-08 11:59:26,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 11:59:26,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 11:59:26,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 11:59:26,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 11:59:26,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 11:59:26,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:59:26" (1/1) ... [2020-07-08 11:59:26,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa15c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:26, skipping insertion in model container [2020-07-08 11:59:26,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:59:26" (1/1) ... [2020-07-08 11:59:26,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 11:59:26,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 11:59:27,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 11:59:27,143 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 11:59:27,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 11:59:27,195 INFO L208 MainTranslator]: Completed translation [2020-07-08 11:59:27,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:27 WrapperNode [2020-07-08 11:59:27,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 11:59:27,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 11:59:27,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 11:59:27,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 11:59:27,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:27" (1/1) ... [2020-07-08 11:59:27,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:27" (1/1) ... [2020-07-08 11:59:27,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:27" (1/1) ... [2020-07-08 11:59:27,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:27" (1/1) ... [2020-07-08 11:59:27,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:27" (1/1) ... [2020-07-08 11:59:27,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:27" (1/1) ... [2020-07-08 11:59:27,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:27" (1/1) ... [2020-07-08 11:59:27,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 11:59:27,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 11:59:27,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 11:59:27,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 11:59:27,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:27" (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 [2020-07-08 11:59:27,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 11:59:27,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 11:59:27,384 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2020-07-08 11:59:27,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2020-07-08 11:59:27,385 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 11:59:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 11:59:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2020-07-08 11:59:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 11:59:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-08 11:59:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 11:59:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 11:59:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 11:59:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-08 11:59:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2020-07-08 11:59:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 11:59:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 11:59:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 11:59:27,850 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 11:59:27,850 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-08 11:59:27,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:59:27 BoogieIcfgContainer [2020-07-08 11:59:27,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 11:59:27,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 11:59:27,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 11:59:27,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 11:59:27,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 11:59:26" (1/3) ... [2020-07-08 11:59:27,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376982a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:59:27, skipping insertion in model container [2020-07-08 11:59:27,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:59:27" (2/3) ... [2020-07-08 11:59:27,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@376982a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:59:27, skipping insertion in model container [2020-07-08 11:59:27,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:59:27" (3/3) ... [2020-07-08 11:59:27,862 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072a.c [2020-07-08 11:59:27,872 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 11:59:27,878 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 11:59:27,890 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 11:59:27,911 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 11:59:27,912 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 11:59:27,912 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 11:59:27,912 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 11:59:27,912 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 11:59:27,912 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 11:59:27,912 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 11:59:27,912 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 11:59:27,927 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-07-08 11:59:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-08 11:59:27,933 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:59:27,934 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 11:59:27,934 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:59:27,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:59:27,941 INFO L82 PathProgramCache]: Analyzing trace with hash -456969478, now seen corresponding path program 1 times [2020-07-08 11:59:27,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:59:27,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997603607] [2020-07-08 11:59:27,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:59:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:59:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:59:28,141 INFO L280 TraceCheckUtils]: 0: Hoare triple {57#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {40#true} is VALID [2020-07-08 11:59:28,141 INFO L280 TraceCheckUtils]: 1: Hoare triple {40#true} assume true; {40#true} is VALID [2020-07-08 11:59:28,142 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {40#true} {40#true} #88#return; {40#true} is VALID [2020-07-08 11:59:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:59:28,173 INFO L280 TraceCheckUtils]: 0: Hoare triple {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~signbit~0;havoc ~w~0;havoc ~exponent_less_127~0; {40#true} is VALID [2020-07-08 11:59:28,175 INFO L280 TraceCheckUtils]: 1: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-08 11:59:28,175 INFO L280 TraceCheckUtils]: 2: Hoare triple {41#false} ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; {41#false} is VALID [2020-07-08 11:59:28,176 INFO L280 TraceCheckUtils]: 3: Hoare triple {41#false} assume !(~exponent_less_127~0 < 23); {41#false} is VALID [2020-07-08 11:59:28,176 INFO L280 TraceCheckUtils]: 4: Hoare triple {41#false} assume 255 == ~exponent_less_127~0;#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {41#false} is VALID [2020-07-08 11:59:28,177 INFO L280 TraceCheckUtils]: 5: Hoare triple {41#false} assume true; {41#false} is VALID [2020-07-08 11:59:28,177 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {41#false} {40#true} #92#return; {41#false} is VALID [2020-07-08 11:59:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 11:59:28,188 INFO L280 TraceCheckUtils]: 0: Hoare triple {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~ix~0; {40#true} is VALID [2020-07-08 11:59:28,189 INFO L280 TraceCheckUtils]: 1: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-08 11:59:28,190 INFO L280 TraceCheckUtils]: 2: Hoare triple {41#false} ~ix~0 := ~bitwiseAnd(~ix~0, 2147483647);#res := (if 2139095040 == ~ix~0 then 1 else 0); {41#false} is VALID [2020-07-08 11:59:28,190 INFO L280 TraceCheckUtils]: 3: Hoare triple {41#false} assume true; {41#false} is VALID [2020-07-08 11:59:28,191 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {41#false} {41#false} #94#return; {41#false} is VALID [2020-07-08 11:59:28,193 INFO L263 TraceCheckUtils]: 0: Hoare triple {40#true} call ULTIMATE.init(); {57#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 11:59:28,193 INFO L280 TraceCheckUtils]: 1: Hoare triple {57#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {40#true} is VALID [2020-07-08 11:59:28,194 INFO L280 TraceCheckUtils]: 2: Hoare triple {40#true} assume true; {40#true} is VALID [2020-07-08 11:59:28,194 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {40#true} {40#true} #88#return; {40#true} is VALID [2020-07-08 11:59:28,195 INFO L263 TraceCheckUtils]: 4: Hoare triple {40#true} call #t~ret10 := main(); {40#true} is VALID [2020-07-08 11:59:28,195 INFO L280 TraceCheckUtils]: 5: Hoare triple {40#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(1.0, 0.0); {40#true} is VALID [2020-07-08 11:59:28,197 INFO L263 TraceCheckUtils]: 6: Hoare triple {40#true} call #t~ret8 := trunc_float(~x~0); {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 11:59:28,198 INFO L280 TraceCheckUtils]: 7: Hoare triple {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~signbit~0;havoc ~w~0;havoc ~exponent_less_127~0; {40#true} is VALID [2020-07-08 11:59:28,202 INFO L280 TraceCheckUtils]: 8: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-08 11:59:28,203 INFO L280 TraceCheckUtils]: 9: Hoare triple {41#false} ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; {41#false} is VALID [2020-07-08 11:59:28,203 INFO L280 TraceCheckUtils]: 10: Hoare triple {41#false} assume !(~exponent_less_127~0 < 23); {41#false} is VALID [2020-07-08 11:59:28,204 INFO L280 TraceCheckUtils]: 11: Hoare triple {41#false} assume 255 == ~exponent_less_127~0;#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {41#false} is VALID [2020-07-08 11:59:28,204 INFO L280 TraceCheckUtils]: 12: Hoare triple {41#false} assume true; {41#false} is VALID [2020-07-08 11:59:28,204 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {41#false} {40#true} #92#return; {41#false} is VALID [2020-07-08 11:59:28,205 INFO L280 TraceCheckUtils]: 14: Hoare triple {41#false} ~res~0 := #t~ret8;havoc #t~ret8; {41#false} is VALID [2020-07-08 11:59:28,205 INFO L263 TraceCheckUtils]: 15: Hoare triple {41#false} call #t~ret9 := isinf_float(~res~0); {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 11:59:28,206 INFO L280 TraceCheckUtils]: 16: Hoare triple {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~ix~0; {40#true} is VALID [2020-07-08 11:59:28,207 INFO L280 TraceCheckUtils]: 17: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-08 11:59:28,207 INFO L280 TraceCheckUtils]: 18: Hoare triple {41#false} ~ix~0 := ~bitwiseAnd(~ix~0, 2147483647);#res := (if 2139095040 == ~ix~0 then 1 else 0); {41#false} is VALID [2020-07-08 11:59:28,207 INFO L280 TraceCheckUtils]: 19: Hoare triple {41#false} assume true; {41#false} is VALID [2020-07-08 11:59:28,208 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {41#false} {41#false} #94#return; {41#false} is VALID [2020-07-08 11:59:28,208 INFO L280 TraceCheckUtils]: 21: Hoare triple {41#false} assume -2147483648 <= #t~ret9 && #t~ret9 <= 2147483647; {41#false} is VALID [2020-07-08 11:59:28,209 INFO L280 TraceCheckUtils]: 22: Hoare triple {41#false} assume 0 == #t~ret9;havoc #t~ret9; {41#false} is VALID [2020-07-08 11:59:28,209 INFO L280 TraceCheckUtils]: 23: Hoare triple {41#false} assume !false; {41#false} is VALID [2020-07-08 11:59:28,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 11:59:28,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997603607] [2020-07-08 11:59:28,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 11:59:28,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 11:59:28,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597608768] [2020-07-08 11:59:28,223 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-07-08 11:59:28,226 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 11:59:28,230 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 11:59:28,276 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 11:59:28,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 11:59:28,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 11:59:28,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 11:59:28,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 11:59:28,289 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 4 states. [2020-07-08 11:59:28,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:59:28,660 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2020-07-08 11:59:28,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 11:59:28,660 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-07-08 11:59:28,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 11:59:28,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 11:59:28,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions. [2020-07-08 11:59:28,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 11:59:28,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions. [2020-07-08 11:59:28,681 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 89 transitions. [2020-07-08 11:59:28,863 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 11:59:28,884 INFO L225 Difference]: With dead ends: 66 [2020-07-08 11:59:28,884 INFO L226 Difference]: Without dead ends: 33 [2020-07-08 11:59:28,891 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 [2020-07-08 11:59:28,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-08 11:59:28,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-08 11:59:28,958 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 11:59:28,958 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-08 11:59:28,959 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-08 11:59:28,959 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-08 11:59:28,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:59:28,964 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2020-07-08 11:59:28,964 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-07-08 11:59:28,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:59:28,965 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:59:28,965 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-08 11:59:28,965 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-08 11:59:28,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 11:59:28,970 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2020-07-08 11:59:28,970 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-07-08 11:59:28,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 11:59:28,971 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 11:59:28,971 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 11:59:28,971 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 11:59:28,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-08 11:59:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2020-07-08 11:59:28,976 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 24 [2020-07-08 11:59:28,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 11:59:28,976 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2020-07-08 11:59:28,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 11:59:28,976 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-07-08 11:59:28,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-08 11:59:28,978 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 11:59:28,978 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] [2020-07-08 11:59:28,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 11:59:28,979 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 11:59:28,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 11:59:28,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1810155496, now seen corresponding path program 1 times [2020-07-08 11:59:28,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 11:59:28,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251569355] [2020-07-08 11:59:28,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 11:59:29,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 11:59:29,080 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.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(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) [2020-07-08 11:59:29,087 INFO L168 Benchmark]: Toolchain (without parser) took 2164.68 ms. Allocated memory was 136.3 MB in the beginning and 228.6 MB in the end (delta: 92.3 MB). Free memory was 101.5 MB in the beginning and 152.2 MB in the end (delta: -50.6 MB). Peak memory consumption was 41.7 MB. Max. memory is 7.1 GB. [2020-07-08 11:59:29,089 INFO L168 Benchmark]: CDTParser took 1.36 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-08 11:59:29,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.79 ms. Allocated memory is still 136.3 MB. Free memory was 101.1 MB in the beginning and 90.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2020-07-08 11:59:29,091 INFO L168 Benchmark]: Boogie Preprocessor took 118.96 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 90.0 MB in the beginning and 176.5 MB in the end (delta: -86.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-07-08 11:59:29,092 INFO L168 Benchmark]: RCFGBuilder took 538.42 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 147.5 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2020-07-08 11:59:29,094 INFO L168 Benchmark]: TraceAbstraction took 1228.58 ms. Allocated memory was 199.2 MB in the beginning and 228.6 MB in the end (delta: 29.4 MB). Free memory was 146.8 MB in the beginning and 152.2 MB in the end (delta: -5.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2020-07-08 11:59:29,101 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 1.36 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 271.79 ms. Allocated memory is still 136.3 MB. Free memory was 101.1 MB in the beginning and 90.0 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.96 ms. Allocated memory was 136.3 MB in the beginning and 199.2 MB in the end (delta: 62.9 MB). Free memory was 90.0 MB in the beginning and 176.5 MB in the end (delta: -86.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 538.42 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 147.5 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1228.58 ms. Allocated memory was 199.2 MB in the beginning and 228.6 MB in the end (delta: 29.4 MB). Free memory was 146.8 MB in the beginning and 152.2 MB in the end (delta: -5.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...