/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_1072c.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 14:42:05,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 14:42:05,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 14:42:05,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 14:42:05,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 14:42:05,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 14:42:05,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 14:42:05,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 14:42:05,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 14:42:05,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 14:42:05,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 14:42:05,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 14:42:05,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 14:42:05,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 14:42:05,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 14:42:05,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 14:42:05,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 14:42:05,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 14:42:05,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 14:42:05,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 14:42:05,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 14:42:05,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 14:42:06,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 14:42:06,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 14:42:06,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 14:42:06,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 14:42:06,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 14:42:06,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 14:42:06,013 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 [2020-07-10 14:42:06,028 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 14:42:06,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 14:42:06,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 14:42:06,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 14:42:06,030 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 14:42:06,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 14:42:06,030 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 14:42:06,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 14:42:06,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 14:42:06,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 14:42:06,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 14:42:06,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 14:42:06,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 14:42:06,032 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 14:42:06,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 14:42:06,032 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 14:42:06,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 14:42:06,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 14:42:06,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 14:42:06,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 14:42:06,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 14:42:06,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 14:42:06,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 14:42:06,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 14:42:06,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 14:42:06,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 14:42:06,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 14:42:06,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 14:42:06,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 14:42:06,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 14:42:06,308 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 14:42:06,327 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 14:42:06,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 14:42:06,332 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 14:42:06,332 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 14:42:06,333 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1072c.c [2020-07-10 14:42:06,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74b89c28f/9940c0534bfb413e8deeb237fbde3e7c/FLAGb3d4c9578 [2020-07-10 14:42:06,921 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 14:42:06,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1072c.c [2020-07-10 14:42:06,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74b89c28f/9940c0534bfb413e8deeb237fbde3e7c/FLAGb3d4c9578 [2020-07-10 14:42:07,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74b89c28f/9940c0534bfb413e8deeb237fbde3e7c [2020-07-10 14:42:07,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 14:42:07,283 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 14:42:07,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 14:42:07,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 14:42:07,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 14:42:07,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:42:07" (1/1) ... [2020-07-10 14:42:07,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bfc0b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:07, skipping insertion in model container [2020-07-10 14:42:07,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:42:07" (1/1) ... [2020-07-10 14:42:07,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 14:42:07,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 14:42:07,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:42:07,513 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 14:42:07,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:42:07,651 INFO L208 MainTranslator]: Completed translation [2020-07-10 14:42:07,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:07 WrapperNode [2020-07-10 14:42:07,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 14:42:07,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 14:42:07,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 14:42:07,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 14:42:07,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:07" (1/1) ... [2020-07-10 14:42:07,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:07" (1/1) ... [2020-07-10 14:42:07,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:07" (1/1) ... [2020-07-10 14:42:07,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:07" (1/1) ... [2020-07-10 14:42:07,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:07" (1/1) ... [2020-07-10 14:42:07,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:07" (1/1) ... [2020-07-10 14:42:07,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:07" (1/1) ... [2020-07-10 14:42:07,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 14:42:07,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 14:42:07,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 14:42:07,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 14:42:07,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 14:42:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 14:42:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 14:42:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2020-07-10 14:42:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-07-10 14:42:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 14:42:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 14:42:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2020-07-10 14:42:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 14:42:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-10 14:42:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 14:42:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 14:42:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 14:42:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-10 14:42:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-07-10 14:42:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 14:42:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 14:42:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 14:42:08,260 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 14:42:08,260 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-10 14:42:08,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:42:08 BoogieIcfgContainer [2020-07-10 14:42:08,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 14:42:08,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 14:42:08,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 14:42:08,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 14:42:08,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 02:42:07" (1/3) ... [2020-07-10 14:42:08,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b837996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:42:08, skipping insertion in model container [2020-07-10 14:42:08,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:42:07" (2/3) ... [2020-07-10 14:42:08,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b837996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:42:08, skipping insertion in model container [2020-07-10 14:42:08,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:42:08" (3/3) ... [2020-07-10 14:42:08,274 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072c.c [2020-07-10 14:42:08,285 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 14:42:08,293 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 14:42:08,307 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 14:42:08,329 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 14:42:08,329 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 14:42:08,329 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 14:42:08,329 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 14:42:08,329 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 14:42:08,329 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 14:42:08,329 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 14:42:08,330 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 14:42:08,346 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-07-10 14:42:08,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-10 14:42:08,351 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:42:08,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:42:08,352 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:42:08,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:42:08,359 INFO L82 PathProgramCache]: Analyzing trace with hash 753691903, now seen corresponding path program 1 times [2020-07-10 14:42:08,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:42:08,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164809858] [2020-07-10 14:42:08,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:42:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:42:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:42:08,577 INFO L280 TraceCheckUtils]: 0: Hoare triple {53#(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; {41#true} is VALID [2020-07-10 14:42:08,577 INFO L280 TraceCheckUtils]: 1: Hoare triple {41#true} assume true; {41#true} is VALID [2020-07-10 14:42:08,578 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {41#true} {41#true} #94#return; {41#true} is VALID [2020-07-10 14:42:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 14:42:08,612 INFO L280 TraceCheckUtils]: 0: Hoare triple {54#(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; {41#true} is VALID [2020-07-10 14:42:08,613 INFO L280 TraceCheckUtils]: 1: Hoare triple {41#true} assume !true; {42#false} is VALID [2020-07-10 14:42:08,614 INFO L280 TraceCheckUtils]: 2: Hoare triple {42#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; {42#false} is VALID [2020-07-10 14:42:08,614 INFO L280 TraceCheckUtils]: 3: Hoare triple {42#false} assume !(~exponent_less_127~0 < 23); {42#false} is VALID [2020-07-10 14:42:08,615 INFO L280 TraceCheckUtils]: 4: Hoare triple {42#false} assume 255 == ~exponent_less_127~0;#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {42#false} is VALID [2020-07-10 14:42:08,615 INFO L280 TraceCheckUtils]: 5: Hoare triple {42#false} assume true; {42#false} is VALID [2020-07-10 14:42:08,616 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {42#false} {41#true} #98#return; {42#false} is VALID [2020-07-10 14:42:08,618 INFO L263 TraceCheckUtils]: 0: Hoare triple {41#true} call ULTIMATE.init(); {53#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-10 14:42:08,619 INFO L280 TraceCheckUtils]: 1: Hoare triple {53#(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; {41#true} is VALID [2020-07-10 14:42:08,619 INFO L280 TraceCheckUtils]: 2: Hoare triple {41#true} assume true; {41#true} is VALID [2020-07-10 14:42:08,620 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {41#true} {41#true} #94#return; {41#true} is VALID [2020-07-10 14:42:08,620 INFO L263 TraceCheckUtils]: 4: Hoare triple {41#true} call #t~ret11 := main(); {41#true} is VALID [2020-07-10 14:42:08,620 INFO L280 TraceCheckUtils]: 5: Hoare triple {41#true} ~x~0 := 0.0; {41#true} is VALID [2020-07-10 14:42:08,623 INFO L263 TraceCheckUtils]: 6: Hoare triple {41#true} call #t~ret8 := trunc_float(~x~0); {54#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-10 14:42:08,623 INFO L280 TraceCheckUtils]: 7: Hoare triple {54#(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; {41#true} is VALID [2020-07-10 14:42:08,624 INFO L280 TraceCheckUtils]: 8: Hoare triple {41#true} assume !true; {42#false} is VALID [2020-07-10 14:42:08,625 INFO L280 TraceCheckUtils]: 9: Hoare triple {42#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; {42#false} is VALID [2020-07-10 14:42:08,625 INFO L280 TraceCheckUtils]: 10: Hoare triple {42#false} assume !(~exponent_less_127~0 < 23); {42#false} is VALID [2020-07-10 14:42:08,626 INFO L280 TraceCheckUtils]: 11: Hoare triple {42#false} assume 255 == ~exponent_less_127~0;#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {42#false} is VALID [2020-07-10 14:42:08,626 INFO L280 TraceCheckUtils]: 12: Hoare triple {42#false} assume true; {42#false} is VALID [2020-07-10 14:42:08,627 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {42#false} {41#true} #98#return; {42#false} is VALID [2020-07-10 14:42:08,627 INFO L280 TraceCheckUtils]: 14: Hoare triple {42#false} ~res~0 := #t~ret8;havoc #t~ret8;#t~short10 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); {42#false} is VALID [2020-07-10 14:42:08,628 INFO L280 TraceCheckUtils]: 15: Hoare triple {42#false} assume !#t~short10; {42#false} is VALID [2020-07-10 14:42:08,628 INFO L280 TraceCheckUtils]: 16: Hoare triple {42#false} assume !#t~short10;havoc #t~short10;havoc #t~ret9; {42#false} is VALID [2020-07-10 14:42:08,628 INFO L280 TraceCheckUtils]: 17: Hoare triple {42#false} assume !false; {42#false} is VALID [2020-07-10 14:42:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 14:42:08,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164809858] [2020-07-10 14:42:08,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 14:42:08,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-10 14:42:08,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482241911] [2020-07-10 14:42:08,641 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-07-10 14:42:08,644 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 14:42:08,647 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-10 14:42:08,700 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:42:08,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-10 14:42:08,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-10 14:42:08,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-10 14:42:08,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-10 14:42:08,714 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 4 states. [2020-07-10 14:42:09,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:42:09,103 INFO L93 Difference]: Finished difference Result 68 states and 93 transitions. [2020-07-10 14:42:09,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-10 14:42:09,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-07-10 14:42:09,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 14:42:09,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 14:42:09,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 93 transitions. [2020-07-10 14:42:09,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-10 14:42:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 93 transitions. [2020-07-10 14:42:09,126 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 93 transitions. [2020-07-10 14:42:09,265 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 14:42:09,277 INFO L225 Difference]: With dead ends: 68 [2020-07-10 14:42:09,278 INFO L226 Difference]: Without dead ends: 34 [2020-07-10 14:42:09,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-10 14:42:09,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-07-10 14:42:09,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-07-10 14:42:09,343 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 14:42:09,344 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand 34 states. [2020-07-10 14:42:09,344 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 34 states. [2020-07-10 14:42:09,345 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 34 states. [2020-07-10 14:42:09,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:42:09,350 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2020-07-10 14:42:09,350 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2020-07-10 14:42:09,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:42:09,351 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:42:09,351 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 34 states. [2020-07-10 14:42:09,351 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 34 states. [2020-07-10 14:42:09,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 14:42:09,356 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2020-07-10 14:42:09,356 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2020-07-10 14:42:09,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 14:42:09,357 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 14:42:09,357 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 14:42:09,358 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 14:42:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-07-10 14:42:09,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2020-07-10 14:42:09,362 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 18 [2020-07-10 14:42:09,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 14:42:09,363 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2020-07-10 14:42:09,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-10 14:42:09,363 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2020-07-10 14:42:09,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-10 14:42:09,364 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:42:09,364 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:42:09,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 14:42:09,365 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:42:09,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:42:09,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1111015325, now seen corresponding path program 1 times [2020-07-10 14:42:09,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:42:09,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161990233] [2020-07-10 14:42:09,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:42:09,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-10 14:42:09,451 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) [2020-07-10 14:42:09,459 INFO L168 Benchmark]: Toolchain (without parser) took 2175.49 ms. Allocated memory was 137.9 MB in the beginning and 234.4 MB in the end (delta: 96.5 MB). Free memory was 101.0 MB in the beginning and 157.8 MB in the end (delta: -56.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 7.1 GB. [2020-07-10 14:42:09,462 INFO L168 Benchmark]: CDTParser took 1.57 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 14:42:09,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.57 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 180.9 MB in the end (delta: -80.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-07-10 14:42:09,465 INFO L168 Benchmark]: Boogie Preprocessor took 48.37 ms. Allocated memory is still 201.9 MB. Free memory was 180.9 MB in the beginning and 177.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-07-10 14:42:09,466 INFO L168 Benchmark]: RCFGBuilder took 565.43 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 149.2 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2020-07-10 14:42:09,467 INFO L168 Benchmark]: TraceAbstraction took 1187.89 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 148.5 MB in the beginning and 157.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-07-10 14:42:09,483 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 1.57 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 368.57 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 180.9 MB in the end (delta: -80.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.37 ms. Allocated memory is still 201.9 MB. Free memory was 180.9 MB in the beginning and 177.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 565.43 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 149.2 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1187.89 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 148.5 MB in the beginning and 157.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 23.3 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...