/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_1052d.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:05:35,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:05:35,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:05:35,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:05:35,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:05:35,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:05:35,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:05:35,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:05:35,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:05:35,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:05:35,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:05:35,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:05:35,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:05:35,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:05:35,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:05:35,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:05:35,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:05:35,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:05:35,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:05:35,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:05:35,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:05:35,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:05:35,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:05:35,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:05:35,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:05:35,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:05:35,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:05:35,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:05:35,340 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 22:05:35,361 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:05:35,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:05:35,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:05:35,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:05:35,364 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:05:35,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:05:35,364 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:05:35,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:05:35,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:05:35,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:05:35,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:05:35,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:05:35,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:05:35,367 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:05:35,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:05:35,367 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:05:35,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:05:35,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:05:35,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:05:35,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:05:35,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:05:35,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:05:35,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:05:35,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:05:35,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:05:35,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:05:35,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:05:35,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:05:35,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:05:35,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:05:35,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:05:35,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:05:35,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:05:35,653 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:05:35,653 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:05:35,654 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1052d.c [2020-07-17 22:05:35,728 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b91f3ba0/05c067d016e14be697725d552002f23d/FLAG98f147309 [2020-07-17 22:05:36,173 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:05:36,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1052d.c [2020-07-17 22:05:36,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b91f3ba0/05c067d016e14be697725d552002f23d/FLAG98f147309 [2020-07-17 22:05:36,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b91f3ba0/05c067d016e14be697725d552002f23d [2020-07-17 22:05:36,617 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:05:36,620 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:05:36,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:05:36,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:05:36,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:05:36,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:05:36" (1/1) ... [2020-07-17 22:05:36,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1746dd02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:36, skipping insertion in model container [2020-07-17 22:05:36,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:05:36" (1/1) ... [2020-07-17 22:05:36,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:05:36,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:05:36,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:05:36,954 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:05:37,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:05:37,120 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:05:37,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:37 WrapperNode [2020-07-17 22:05:37,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:05:37,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:05:37,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:05:37,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:05:37,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:37" (1/1) ... [2020-07-17 22:05:37,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:37" (1/1) ... [2020-07-17 22:05:37,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:37" (1/1) ... [2020-07-17 22:05:37,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:37" (1/1) ... [2020-07-17 22:05:37,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:37" (1/1) ... [2020-07-17 22:05:37,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:37" (1/1) ... [2020-07-17 22:05:37,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:37" (1/1) ... [2020-07-17 22:05:37,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:05:37,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:05:37,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:05:37,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:05:37,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:37" (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 22:05:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:05:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:05:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2020-07-17 22:05:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-07-17 22:05:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:05:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:05:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2020-07-17 22:05:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 22:05:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 22:05:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:05:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:05:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:05:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 22:05:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-07-17 22:05:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:05:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:05:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:05:37,784 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:05:37,784 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-17 22:05:37,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:05:37 BoogieIcfgContainer [2020-07-17 22:05:37,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:05:37,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:05:37,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:05:37,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:05:37,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:05:36" (1/3) ... [2020-07-17 22:05:37,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d726074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:05:37, skipping insertion in model container [2020-07-17 22:05:37,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:37" (2/3) ... [2020-07-17 22:05:37,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d726074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:05:37, skipping insertion in model container [2020-07-17 22:05:37,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:05:37" (3/3) ... [2020-07-17 22:05:37,801 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052d.c [2020-07-17 22:05:37,812 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:05:37,818 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:05:37,830 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:05:37,852 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:05:37,852 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:05:37,852 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:05:37,853 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:05:37,853 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:05:37,853 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:05:37,853 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:05:37,853 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:05:37,871 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-07-17 22:05:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-17 22:05:37,878 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:05:37,879 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:05:37,880 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:05:37,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:05:37,886 INFO L82 PathProgramCache]: Analyzing trace with hash -2053199230, now seen corresponding path program 1 times [2020-07-17 22:05:37,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:05:37,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127204293] [2020-07-17 22:05:37,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:05:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:38,129 INFO L280 TraceCheckUtils]: 0: Hoare triple {58#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~huge_floor~0 |old(~huge_floor~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~huge_floor~0 := 1.0E30; {46#true} is VALID [2020-07-17 22:05:38,129 INFO L280 TraceCheckUtils]: 1: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-17 22:05:38,130 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {46#true} {46#true} #114#return; {46#true} is VALID [2020-07-17 22:05:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:38,184 INFO L280 TraceCheckUtils]: 0: Hoare triple {59#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~i0~0;havoc ~j0~0;havoc ~i~0;havoc ~ix~0; {46#true} is VALID [2020-07-17 22:05:38,186 INFO L280 TraceCheckUtils]: 1: Hoare triple {46#true} assume !true; {47#false} is VALID [2020-07-17 22:05:38,186 INFO L280 TraceCheckUtils]: 2: Hoare triple {47#false} ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647);~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); {47#false} is VALID [2020-07-17 22:05:38,187 INFO L280 TraceCheckUtils]: 3: Hoare triple {47#false} assume !(~j0~0 < 23); {47#false} is VALID [2020-07-17 22:05:38,187 INFO L280 TraceCheckUtils]: 4: Hoare triple {47#false} assume !(~ix~0 % 4294967296 < 2139095040);#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {47#false} is VALID [2020-07-17 22:05:38,188 INFO L280 TraceCheckUtils]: 5: Hoare triple {47#false} assume true; {47#false} is VALID [2020-07-17 22:05:38,188 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {47#false} {46#true} #118#return; {47#false} is VALID [2020-07-17 22:05:38,191 INFO L263 TraceCheckUtils]: 0: Hoare triple {46#true} call ULTIMATE.init(); {58#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~huge_floor~0 |old(~huge_floor~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-17 22:05:38,192 INFO L280 TraceCheckUtils]: 1: Hoare triple {58#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= ~huge_floor~0 |old(~huge_floor~0)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~huge_floor~0 := 1.0E30; {46#true} is VALID [2020-07-17 22:05:38,192 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-17 22:05:38,193 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {46#true} {46#true} #114#return; {46#true} is VALID [2020-07-17 22:05:38,193 INFO L263 TraceCheckUtils]: 4: Hoare triple {46#true} call #t~ret9 := main(); {46#true} is VALID [2020-07-17 22:05:38,194 INFO L280 TraceCheckUtils]: 5: Hoare triple {46#true} ~x~0 := 0.0; {46#true} is VALID [2020-07-17 22:05:38,196 INFO L263 TraceCheckUtils]: 6: Hoare triple {46#true} call #t~ret6 := floor_float(~x~0); {59#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:05:38,197 INFO L280 TraceCheckUtils]: 7: Hoare triple {59#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~i0~0;havoc ~j0~0;havoc ~i~0;havoc ~ix~0; {46#true} is VALID [2020-07-17 22:05:38,198 INFO L280 TraceCheckUtils]: 8: Hoare triple {46#true} assume !true; {47#false} is VALID [2020-07-17 22:05:38,199 INFO L280 TraceCheckUtils]: 9: Hoare triple {47#false} ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647);~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); {47#false} is VALID [2020-07-17 22:05:38,199 INFO L280 TraceCheckUtils]: 10: Hoare triple {47#false} assume !(~j0~0 < 23); {47#false} is VALID [2020-07-17 22:05:38,199 INFO L280 TraceCheckUtils]: 11: Hoare triple {47#false} assume !(~ix~0 % 4294967296 < 2139095040);#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {47#false} is VALID [2020-07-17 22:05:38,200 INFO L280 TraceCheckUtils]: 12: Hoare triple {47#false} assume true; {47#false} is VALID [2020-07-17 22:05:38,201 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {47#false} {46#true} #118#return; {47#false} is VALID [2020-07-17 22:05:38,201 INFO L280 TraceCheckUtils]: 14: Hoare triple {47#false} ~res~0 := #t~ret6;havoc #t~ret6;#t~short8 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); {47#false} is VALID [2020-07-17 22:05:38,202 INFO L280 TraceCheckUtils]: 15: Hoare triple {47#false} assume !#t~short8; {47#false} is VALID [2020-07-17 22:05:38,203 INFO L280 TraceCheckUtils]: 16: Hoare triple {47#false} assume !#t~short8;havoc #t~short8;havoc #t~ret7; {47#false} is VALID [2020-07-17 22:05:38,203 INFO L280 TraceCheckUtils]: 17: Hoare triple {47#false} assume !false; {47#false} is VALID [2020-07-17 22:05:38,207 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 22:05:38,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127204293] [2020-07-17 22:05:38,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:05:38,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 22:05:38,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713367151] [2020-07-17 22:05:38,222 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-07-17 22:05:38,226 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:05:38,229 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 22:05:38,288 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:05:38,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 22:05:38,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:05:38,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 22:05:38,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 22:05:38,298 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 4 states. [2020-07-17 22:05:38,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:05:38,740 INFO L93 Difference]: Finished difference Result 78 states and 111 transitions. [2020-07-17 22:05:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 22:05:38,742 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-07-17 22:05:38,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:05:38,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:05:38,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 111 transitions. [2020-07-17 22:05:38,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:05:38,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 111 transitions. [2020-07-17 22:05:38,789 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 111 transitions. [2020-07-17 22:05:38,950 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:05:38,969 INFO L225 Difference]: With dead ends: 78 [2020-07-17 22:05:38,969 INFO L226 Difference]: Without dead ends: 39 [2020-07-17 22:05:38,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 22:05:38,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-07-17 22:05:39,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-07-17 22:05:39,054 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:05:39,055 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand 39 states. [2020-07-17 22:05:39,056 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2020-07-17 22:05:39,056 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2020-07-17 22:05:39,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:05:39,069 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2020-07-17 22:05:39,070 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2020-07-17 22:05:39,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:05:39,071 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:05:39,071 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 39 states. [2020-07-17 22:05:39,073 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 39 states. [2020-07-17 22:05:39,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:05:39,082 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2020-07-17 22:05:39,082 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2020-07-17 22:05:39,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:05:39,083 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:05:39,083 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:05:39,084 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:05:39,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-07-17 22:05:39,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2020-07-17 22:05:39,091 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 18 [2020-07-17 22:05:39,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:05:39,092 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2020-07-17 22:05:39,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 22:05:39,092 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2020-07-17 22:05:39,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-17 22:05:39,095 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:05:39,098 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:05:39,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:05:39,099 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:05:39,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:05:39,106 INFO L82 PathProgramCache]: Analyzing trace with hash 2027240245, now seen corresponding path program 1 times [2020-07-17 22:05:39,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:05:39,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110407572] [2020-07-17 22:05:39,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:05:39,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:05:39,242 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 22:05:39,248 INFO L168 Benchmark]: Toolchain (without parser) took 2629.39 ms. Allocated memory was 139.5 MB in the beginning and 235.9 MB in the end (delta: 96.5 MB). Free memory was 103.9 MB in the beginning and 138.5 MB in the end (delta: -34.6 MB). Peak memory consumption was 61.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:39,249 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 139.5 MB. Free memory is still 122.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-17 22:05:39,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.79 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 103.5 MB in the beginning and 180.5 MB in the end (delta: -77.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:39,251 INFO L168 Benchmark]: Boogie Preprocessor took 92.49 ms. Allocated memory is still 202.9 MB. Free memory was 180.5 MB in the beginning and 178.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:39,251 INFO L168 Benchmark]: RCFGBuilder took 573.83 ms. Allocated memory is still 202.9 MB. Free memory was 178.3 MB in the beginning and 146.7 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:39,253 INFO L168 Benchmark]: TraceAbstraction took 1455.46 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 146.7 MB in the beginning and 138.5 MB in the end (delta: 8.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:39,256 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 0.49 ms. Allocated memory is still 139.5 MB. Free memory is still 122.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 500.79 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 103.5 MB in the beginning and 180.5 MB in the end (delta: -77.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.49 ms. Allocated memory is still 202.9 MB. Free memory was 180.5 MB in the beginning and 178.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 573.83 ms. Allocated memory is still 202.9 MB. Free memory was 178.3 MB in the beginning and 146.7 MB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1455.46 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 146.7 MB in the beginning and 138.5 MB in the end (delta: 8.3 MB). Peak memory consumption was 41.3 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...