/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0720.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:02:49,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:02:49,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:02:49,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:02:49,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:02:49,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:02:49,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:02:49,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:02:49,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:02:49,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:02:49,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:02:49,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:02:49,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:02:49,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:02:49,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:02:49,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:02:49,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:02:49,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:02:49,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:02:49,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:02:49,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:02:49,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:02:49,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:02:49,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:02:49,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:02:49,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:02:49,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:02:49,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:02:49,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 22:02:49,924 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:02:49,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:02:49,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:02:49,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:02:49,927 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:02:49,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:02:49,927 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:02:49,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:02:49,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:02:49,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:02:49,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:02:49,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:02:49,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:02:49,929 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:02:49,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:02:49,929 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:02:49,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:02:49,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:02:49,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:02:49,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:02:49,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:02:49,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:02:49,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:02:49,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:02:49,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:02:49,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:02:49,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:02:49,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:02:49,933 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:02:49,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:02:50,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:02:50,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:02:50,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:02:50,247 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:02:50,247 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:02:50,248 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0720.c [2020-07-17 22:02:50,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4536811/da3ce613849c475fa88dd20b77cf4196/FLAG023e83579 [2020-07-17 22:02:50,818 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:02:50,819 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0720.c [2020-07-17 22:02:50,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4536811/da3ce613849c475fa88dd20b77cf4196/FLAG023e83579 [2020-07-17 22:02:51,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4536811/da3ce613849c475fa88dd20b77cf4196 [2020-07-17 22:02:51,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:02:51,188 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:02:51,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:02:51,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:02:51,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:02:51,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:02:51" (1/1) ... [2020-07-17 22:02:51,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72fafbdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:51, skipping insertion in model container [2020-07-17 22:02:51,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:02:51" (1/1) ... [2020-07-17 22:02:51,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:02:51,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:02:51,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:02:51,480 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:02:51,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:02:51,708 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:02:51,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:51 WrapperNode [2020-07-17 22:02:51,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:02:51,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:02:51,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:02:51,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:02:51,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:51" (1/1) ... [2020-07-17 22:02:51,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:51" (1/1) ... [2020-07-17 22:02:51,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:51" (1/1) ... [2020-07-17 22:02:51,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:51" (1/1) ... [2020-07-17 22:02:51,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:51" (1/1) ... [2020-07-17 22:02:51,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:51" (1/1) ... [2020-07-17 22:02:51,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:51" (1/1) ... [2020-07-17 22:02:51,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:02:51,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:02:51,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:02:51,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:02:51,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:02:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:02:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:02:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-17 22:02:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2020-07-17 22:02:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:02:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:02:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-17 22:02:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-17 22:02:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2020-07-17 22:02:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 22:02:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 22:02:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:02:51,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:02:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:02:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 22:02:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:02:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:02:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:02:52,586 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:02:52,586 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-17 22:02:52,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:02:52 BoogieIcfgContainer [2020-07-17 22:02:52,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:02:52,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:02:52,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:02:52,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:02:52,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:02:51" (1/3) ... [2020-07-17 22:02:52,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49096e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:02:52, skipping insertion in model container [2020-07-17 22:02:52,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:02:51" (2/3) ... [2020-07-17 22:02:52,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49096e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:02:52, skipping insertion in model container [2020-07-17 22:02:52,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:02:52" (3/3) ... [2020-07-17 22:02:52,600 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720.c [2020-07-17 22:02:52,610 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:02:52,617 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:02:52,631 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:02:52,654 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:02:52,655 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:02:52,655 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:02:52,655 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:02:52,655 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:02:52,656 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:02:52,656 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:02:52,656 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:02:52,671 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-07-17 22:02:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-17 22:02:52,677 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:02:52,678 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] [2020-07-17 22:02:52,679 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:02:52,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:02:52,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1131346129, now seen corresponding path program 1 times [2020-07-17 22:02:52,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:02:52,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804627086] [2020-07-17 22:02:52,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:02:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:02:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:02:52,901 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-300; {65#true} is VALID [2020-07-17 22:02:52,901 INFO L280 TraceCheckUtils]: 1: Hoare triple {65#true} assume true; {65#true} is VALID [2020-07-17 22:02:52,902 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {65#true} {65#true} #202#return; {65#true} is VALID [2020-07-17 22:02:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:02:52,934 INFO L280 TraceCheckUtils]: 0: Hoare triple {79#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~z~0;~sign~0 := -2147483648;havoc ~r~0;havoc ~t1~0;havoc ~s1~0;havoc ~ix1~0;havoc ~q1~0;havoc ~ix0~0;havoc ~s0~0;havoc ~q~0;havoc ~m~0;havoc ~t~0;havoc ~i~0; {65#true} is VALID [2020-07-17 22:02:52,935 INFO L280 TraceCheckUtils]: 1: Hoare triple {65#true} assume !true; {66#false} is VALID [2020-07-17 22:02:52,935 INFO L280 TraceCheckUtils]: 2: Hoare triple {66#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072);#res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {66#false} is VALID [2020-07-17 22:02:52,936 INFO L280 TraceCheckUtils]: 3: Hoare triple {66#false} assume true; {66#false} is VALID [2020-07-17 22:02:52,936 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {66#false} {65#true} #198#return; {66#false} is VALID [2020-07-17 22:02:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:02:52,947 INFO L280 TraceCheckUtils]: 0: Hoare triple {65#true} ~x := #in~x;#res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {65#true} is VALID [2020-07-17 22:02:52,948 INFO L280 TraceCheckUtils]: 1: Hoare triple {65#true} assume true; {65#true} is VALID [2020-07-17 22:02:52,948 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {65#true} {66#false} #200#return; {66#false} is VALID [2020-07-17 22:02:52,950 INFO L263 TraceCheckUtils]: 0: Hoare triple {65#true} call ULTIMATE.init(); {78#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} is VALID [2020-07-17 22:02:52,951 INFO L280 TraceCheckUtils]: 1: Hoare triple {78#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~tiny_sqrt~0 |old(~tiny_sqrt~0)|) (= ~one_sqrt~0 |old(~one_sqrt~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-300; {65#true} is VALID [2020-07-17 22:02:52,951 INFO L280 TraceCheckUtils]: 2: Hoare triple {65#true} assume true; {65#true} is VALID [2020-07-17 22:02:52,952 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {65#true} {65#true} #202#return; {65#true} is VALID [2020-07-17 22:02:52,952 INFO L263 TraceCheckUtils]: 4: Hoare triple {65#true} call #t~ret9 := main(); {65#true} is VALID [2020-07-17 22:02:52,952 INFO L280 TraceCheckUtils]: 5: Hoare triple {65#true} ~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0); {65#true} is VALID [2020-07-17 22:02:52,954 INFO L263 TraceCheckUtils]: 6: Hoare triple {65#true} call #t~ret7 := __ieee754_sqrt(~x~0); {79#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:02:52,955 INFO L280 TraceCheckUtils]: 7: Hoare triple {79#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~z~0;~sign~0 := -2147483648;havoc ~r~0;havoc ~t1~0;havoc ~s1~0;havoc ~ix1~0;havoc ~q1~0;havoc ~ix0~0;havoc ~s0~0;havoc ~q~0;havoc ~m~0;havoc ~t~0;havoc ~i~0; {65#true} is VALID [2020-07-17 22:02:52,958 INFO L280 TraceCheckUtils]: 8: Hoare triple {65#true} assume !true; {66#false} is VALID [2020-07-17 22:02:52,959 INFO L280 TraceCheckUtils]: 9: Hoare triple {66#false} assume 2146435072 == ~bitwiseAnd(~ix0~0, 2146435072);#res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~x, ~x), ~x); {66#false} is VALID [2020-07-17 22:02:52,959 INFO L280 TraceCheckUtils]: 10: Hoare triple {66#false} assume true; {66#false} is VALID [2020-07-17 22:02:52,960 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {66#false} {65#true} #198#return; {66#false} is VALID [2020-07-17 22:02:52,960 INFO L280 TraceCheckUtils]: 12: Hoare triple {66#false} ~res~0 := #t~ret7;havoc #t~ret7; {66#false} is VALID [2020-07-17 22:02:52,960 INFO L263 TraceCheckUtils]: 13: Hoare triple {66#false} call #t~ret8 := isnan_double(~res~0); {65#true} is VALID [2020-07-17 22:02:52,961 INFO L280 TraceCheckUtils]: 14: Hoare triple {65#true} ~x := #in~x;#res := (if ~someBinaryDOUBLEComparisonOperation(~x, ~x) then 1 else 0); {65#true} is VALID [2020-07-17 22:02:52,961 INFO L280 TraceCheckUtils]: 15: Hoare triple {65#true} assume true; {65#true} is VALID [2020-07-17 22:02:52,962 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {65#true} {66#false} #200#return; {66#false} is VALID [2020-07-17 22:02:52,962 INFO L280 TraceCheckUtils]: 17: Hoare triple {66#false} assume -2147483648 <= #t~ret8 && #t~ret8 <= 2147483647; {66#false} is VALID [2020-07-17 22:02:52,962 INFO L280 TraceCheckUtils]: 18: Hoare triple {66#false} assume 0 == #t~ret8;havoc #t~ret8; {66#false} is VALID [2020-07-17 22:02:52,963 INFO L280 TraceCheckUtils]: 19: Hoare triple {66#false} assume !false; {66#false} is VALID [2020-07-17 22:02:52,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:02:52,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804627086] [2020-07-17 22:02:52,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:02:52,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 22:02:52,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141888960] [2020-07-17 22:02:52,975 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-07-17 22:02:52,978 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:02:52,981 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 22:02:53,032 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:02:53,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 22:02:53,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:02:53,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 22:02:53,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 22:02:53,043 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 4 states. [2020-07-17 22:02:53,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:02:53,724 INFO L93 Difference]: Finished difference Result 116 states and 172 transitions. [2020-07-17 22:02:53,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 22:02:53,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-07-17 22:02:53,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:02:53,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:02:53,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 172 transitions. [2020-07-17 22:02:53,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:02:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 172 transitions. [2020-07-17 22:02:53,753 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 172 transitions. [2020-07-17 22:02:54,008 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 172 edges. 172 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:02:54,023 INFO L225 Difference]: With dead ends: 116 [2020-07-17 22:02:54,023 INFO L226 Difference]: Without dead ends: 58 [2020-07-17 22:02:54,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:02:54,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-07-17 22:02:54,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2020-07-17 22:02:54,110 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:02:54,111 INFO L82 GeneralOperation]: Start isEquivalent. First operand 58 states. Second operand 58 states. [2020-07-17 22:02:54,112 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand 58 states. [2020-07-17 22:02:54,112 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 58 states. [2020-07-17 22:02:54,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:02:54,119 INFO L93 Difference]: Finished difference Result 58 states and 77 transitions. [2020-07-17 22:02:54,119 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2020-07-17 22:02:54,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:02:54,120 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:02:54,121 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand 58 states. [2020-07-17 22:02:54,121 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 58 states. [2020-07-17 22:02:54,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:02:54,127 INFO L93 Difference]: Finished difference Result 58 states and 77 transitions. [2020-07-17 22:02:54,128 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2020-07-17 22:02:54,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:02:54,129 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:02:54,129 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:02:54,130 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:02:54,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-07-17 22:02:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2020-07-17 22:02:54,136 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 77 transitions. Word has length 20 [2020-07-17 22:02:54,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:02:54,137 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 77 transitions. [2020-07-17 22:02:54,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 22:02:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2020-07-17 22:02:54,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-07-17 22:02:54,139 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:02:54,139 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] [2020-07-17 22:02:54,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:02:54,140 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:02:54,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:02:54,140 INFO L82 PathProgramCache]: Analyzing trace with hash -2124284734, now seen corresponding path program 1 times [2020-07-17 22:02:54,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:02:54,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345279907] [2020-07-17 22:02:54,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:02:54,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:02:54,211 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.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) [2020-07-17 22:02:54,217 INFO L168 Benchmark]: Toolchain (without parser) took 3029.45 ms. Allocated memory was 144.7 MB in the beginning and 246.9 MB in the end (delta: 102.2 MB). Free memory was 102.1 MB in the beginning and 216.3 MB in the end (delta: -114.2 MB). Peak memory consumption was 111.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:02:54,218 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-17 22:02:54,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 518.98 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 101.7 MB in the beginning and 179.0 MB in the end (delta: -77.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2020-07-17 22:02:54,220 INFO L168 Benchmark]: Boogie Preprocessor took 64.41 ms. Allocated memory is still 203.4 MB. Free memory was 179.0 MB in the beginning and 176.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-07-17 22:02:54,220 INFO L168 Benchmark]: RCFGBuilder took 816.66 ms. Allocated memory is still 203.4 MB. Free memory was 176.3 MB in the beginning and 130.3 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. [2020-07-17 22:02:54,221 INFO L168 Benchmark]: TraceAbstraction took 1622.16 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 130.3 MB in the beginning and 218.1 MB in the end (delta: -87.8 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:02:54,225 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 518.98 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 101.7 MB in the beginning and 179.0 MB in the end (delta: -77.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.41 ms. Allocated memory is still 203.4 MB. Free memory was 179.0 MB in the beginning and 176.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 816.66 ms. Allocated memory is still 203.4 MB. Free memory was 176.3 MB in the beginning and 130.3 MB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1622.16 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 130.3 MB in the beginning and 218.1 MB in the end (delta: -87.8 MB). Peak memory consumption was 80.9 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...