/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1072a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:05:36,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:05:36,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:05:36,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:05:36,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:05:36,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:05:36,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:05:36,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:05:36,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:05:36,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:05:36,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:05:36,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:05:36,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:05:36,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:05:36,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:05:36,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:05:36,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:05:36,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:05:36,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:05:36,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:05:36,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:05:36,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:05:36,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:05:36,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:05:36,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:05:36,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:05:36,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:05:36,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:05:36,872 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 22:05:36,900 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:05:36,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:05:36,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:05:36,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:05:36,903 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:05:36,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:05:36,903 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:05:36,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:05:36,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:05:36,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:05:36,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:05:36,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:05:36,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:05:36,906 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:05:36,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:05:36,906 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:05:36,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:05:36,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:05:36,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:05:36,908 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:05:36,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:05:36,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:05:36,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:05:36,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:05:36,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:05:36,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:05:36,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:05:36,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:05:36,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:05:36,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:05:37,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:05:37,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:05:37,264 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:05:37,266 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:05:37,266 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:05:37,267 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1072a.c [2020-07-17 22:05:37,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f834dc047/1f1a68f1176e411c9a31c9c059eec731/FLAGe99b96504 [2020-07-17 22:05:37,789 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:05:37,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1072a.c [2020-07-17 22:05:37,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f834dc047/1f1a68f1176e411c9a31c9c059eec731/FLAGe99b96504 [2020-07-17 22:05:38,197 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f834dc047/1f1a68f1176e411c9a31c9c059eec731 [2020-07-17 22:05:38,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:05:38,212 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:05:38,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:05:38,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:05:38,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:05:38,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:05:38" (1/1) ... [2020-07-17 22:05:38,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47fbe641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:38, skipping insertion in model container [2020-07-17 22:05:38,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:05:38" (1/1) ... [2020-07-17 22:05:38,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:05:38,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:05:38,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:05:38,449 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:05:38,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:05:38,593 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:05:38,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:38 WrapperNode [2020-07-17 22:05:38,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:05:38,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:05:38,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:05:38,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:05:38,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:38" (1/1) ... [2020-07-17 22:05:38,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:38" (1/1) ... [2020-07-17 22:05:38,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:38" (1/1) ... [2020-07-17 22:05:38,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:38" (1/1) ... [2020-07-17 22:05:38,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:38" (1/1) ... [2020-07-17 22:05:38,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:38" (1/1) ... [2020-07-17 22:05:38,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:38" (1/1) ... [2020-07-17 22:05:38,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:05:38,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:05:38,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:05:38,663 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:05:38,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:38" (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 22:05:38,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:05:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:05:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2020-07-17 22:05:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2020-07-17 22:05:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:05:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:05:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2020-07-17 22:05:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 22:05:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 22:05:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:05:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:05:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:05:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 22:05:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2020-07-17 22:05:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:05:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:05:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:05:39,193 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:05:39,193 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-17 22:05:39,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:05:39 BoogieIcfgContainer [2020-07-17 22:05:39,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:05:39,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:05:39,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:05:39,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:05:39,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:05:38" (1/3) ... [2020-07-17 22:05:39,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2268ded1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:05:39, skipping insertion in model container [2020-07-17 22:05:39,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:38" (2/3) ... [2020-07-17 22:05:39,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2268ded1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:05:39, skipping insertion in model container [2020-07-17 22:05:39,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:05:39" (3/3) ... [2020-07-17 22:05:39,207 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072a.c [2020-07-17 22:05:39,219 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:05:39,227 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:05:39,242 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:05:39,268 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:05:39,269 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:05:39,269 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:05:39,269 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:05:39,269 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:05:39,270 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:05:39,270 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:05:39,270 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:05:39,291 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-07-17 22:05:39,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-17 22:05:39,298 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:05:39,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:05:39,300 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:05:39,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:05:39,307 INFO L82 PathProgramCache]: Analyzing trace with hash -456969478, now seen corresponding path program 1 times [2020-07-17 22:05:39,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:05:39,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179137815] [2020-07-17 22:05:39,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:05:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:39,513 INFO L280 TraceCheckUtils]: 0: Hoare triple {57#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {40#true} is VALID [2020-07-17 22:05:39,514 INFO L280 TraceCheckUtils]: 1: Hoare triple {40#true} assume true; {40#true} is VALID [2020-07-17 22:05:39,514 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {40#true} {40#true} #88#return; {40#true} is VALID [2020-07-17 22:05:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:39,550 INFO L280 TraceCheckUtils]: 0: Hoare triple {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~signbit~0;havoc ~w~0;havoc ~exponent_less_127~0; {40#true} is VALID [2020-07-17 22:05:39,552 INFO L280 TraceCheckUtils]: 1: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-17 22:05:39,553 INFO L280 TraceCheckUtils]: 2: Hoare triple {41#false} ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; {41#false} is VALID [2020-07-17 22:05:39,553 INFO L280 TraceCheckUtils]: 3: Hoare triple {41#false} assume !(~exponent_less_127~0 < 23); {41#false} is VALID [2020-07-17 22:05:39,554 INFO L280 TraceCheckUtils]: 4: Hoare triple {41#false} assume 255 == ~exponent_less_127~0;#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {41#false} is VALID [2020-07-17 22:05:39,554 INFO L280 TraceCheckUtils]: 5: Hoare triple {41#false} assume true; {41#false} is VALID [2020-07-17 22:05:39,554 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {41#false} {40#true} #92#return; {41#false} is VALID [2020-07-17 22:05:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:39,573 INFO L280 TraceCheckUtils]: 0: Hoare triple {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~ix~0; {40#true} is VALID [2020-07-17 22:05:39,574 INFO L280 TraceCheckUtils]: 1: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-17 22:05:39,575 INFO L280 TraceCheckUtils]: 2: Hoare triple {41#false} ~ix~0 := ~bitwiseAnd(~ix~0, 2147483647);#res := (if 2139095040 == ~ix~0 then 1 else 0); {41#false} is VALID [2020-07-17 22:05:39,575 INFO L280 TraceCheckUtils]: 3: Hoare triple {41#false} assume true; {41#false} is VALID [2020-07-17 22:05:39,575 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {41#false} {41#false} #94#return; {41#false} is VALID [2020-07-17 22:05:39,578 INFO L263 TraceCheckUtils]: 0: Hoare triple {40#true} call ULTIMATE.init(); {57#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-17 22:05:39,579 INFO L280 TraceCheckUtils]: 1: Hoare triple {57#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {40#true} is VALID [2020-07-17 22:05:39,579 INFO L280 TraceCheckUtils]: 2: Hoare triple {40#true} assume true; {40#true} is VALID [2020-07-17 22:05:39,580 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {40#true} {40#true} #88#return; {40#true} is VALID [2020-07-17 22:05:39,580 INFO L263 TraceCheckUtils]: 4: Hoare triple {40#true} call #t~ret10 := main(); {40#true} is VALID [2020-07-17 22:05:39,581 INFO L280 TraceCheckUtils]: 5: Hoare triple {40#true} ~x~0 := ~someBinaryArithmeticFLOAToperation(1.0, 0.0); {40#true} is VALID [2020-07-17 22:05:39,584 INFO L263 TraceCheckUtils]: 6: Hoare triple {40#true} call #t~ret8 := trunc_float(~x~0); {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:05:39,584 INFO L280 TraceCheckUtils]: 7: Hoare triple {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~signbit~0;havoc ~w~0;havoc ~exponent_less_127~0; {40#true} is VALID [2020-07-17 22:05:39,586 INFO L280 TraceCheckUtils]: 8: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-17 22:05:39,586 INFO L280 TraceCheckUtils]: 9: Hoare triple {41#false} ~signbit~0 := (if ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~exponent_less_127~0 := ~bitwiseAnd(~w~0, 2139095040) / 8388608 - 127; {41#false} is VALID [2020-07-17 22:05:39,587 INFO L280 TraceCheckUtils]: 10: Hoare triple {41#false} assume !(~exponent_less_127~0 < 23); {41#false} is VALID [2020-07-17 22:05:39,587 INFO L280 TraceCheckUtils]: 11: Hoare triple {41#false} assume 255 == ~exponent_less_127~0;#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); {41#false} is VALID [2020-07-17 22:05:39,588 INFO L280 TraceCheckUtils]: 12: Hoare triple {41#false} assume true; {41#false} is VALID [2020-07-17 22:05:39,588 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {41#false} {40#true} #92#return; {41#false} is VALID [2020-07-17 22:05:39,588 INFO L280 TraceCheckUtils]: 14: Hoare triple {41#false} ~res~0 := #t~ret8;havoc #t~ret8; {41#false} is VALID [2020-07-17 22:05:39,589 INFO L263 TraceCheckUtils]: 15: Hoare triple {41#false} call #t~ret9 := isinf_float(~res~0); {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:05:39,589 INFO L280 TraceCheckUtils]: 16: Hoare triple {58#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~ix~0; {40#true} is VALID [2020-07-17 22:05:39,591 INFO L280 TraceCheckUtils]: 17: Hoare triple {40#true} assume !true; {41#false} is VALID [2020-07-17 22:05:39,592 INFO L280 TraceCheckUtils]: 18: Hoare triple {41#false} ~ix~0 := ~bitwiseAnd(~ix~0, 2147483647);#res := (if 2139095040 == ~ix~0 then 1 else 0); {41#false} is VALID [2020-07-17 22:05:39,592 INFO L280 TraceCheckUtils]: 19: Hoare triple {41#false} assume true; {41#false} is VALID [2020-07-17 22:05:39,592 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {41#false} {41#false} #94#return; {41#false} is VALID [2020-07-17 22:05:39,593 INFO L280 TraceCheckUtils]: 21: Hoare triple {41#false} assume -2147483648 <= #t~ret9 && #t~ret9 <= 2147483647; {41#false} is VALID [2020-07-17 22:05:39,593 INFO L280 TraceCheckUtils]: 22: Hoare triple {41#false} assume 0 == #t~ret9;havoc #t~ret9; {41#false} is VALID [2020-07-17 22:05:39,594 INFO L280 TraceCheckUtils]: 23: Hoare triple {41#false} assume !false; {41#false} is VALID [2020-07-17 22:05:39,604 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 22:05:39,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179137815] [2020-07-17 22:05:39,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:05:39,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 22:05:39,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22498154] [2020-07-17 22:05:39,617 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-07-17 22:05:39,623 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:05:39,627 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 22:05:39,687 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:05:39,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 22:05:39,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:05:39,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 22:05:39,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 22:05:39,701 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 4 states. [2020-07-17 22:05:40,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:05:40,146 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2020-07-17 22:05:40,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 22:05:40,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-07-17 22:05:40,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:05:40,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:05:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions. [2020-07-17 22:05:40,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:05:40,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions. [2020-07-17 22:05:40,167 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 89 transitions. [2020-07-17 22:05:40,295 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:05:40,309 INFO L225 Difference]: With dead ends: 66 [2020-07-17 22:05:40,309 INFO L226 Difference]: Without dead ends: 33 [2020-07-17 22:05:40,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:05:40,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-07-17 22:05:40,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-07-17 22:05:40,379 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:05:40,380 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 33 states. [2020-07-17 22:05:40,381 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-17 22:05:40,381 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-17 22:05:40,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:05:40,386 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2020-07-17 22:05:40,387 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-07-17 22:05:40,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:05:40,388 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:05:40,388 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 33 states. [2020-07-17 22:05:40,388 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 33 states. [2020-07-17 22:05:40,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:05:40,393 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2020-07-17 22:05:40,393 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-07-17 22:05:40,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:05:40,394 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:05:40,394 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:05:40,394 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:05:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-07-17 22:05:40,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2020-07-17 22:05:40,399 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 24 [2020-07-17 22:05:40,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:05:40,400 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2020-07-17 22:05:40,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 22:05:40,400 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-07-17 22:05:40,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 22:05:40,402 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:05:40,402 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:05:40,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:05:40,403 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:05:40,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:05:40,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1810155496, now seen corresponding path program 1 times [2020-07-17 22:05:40,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:05:40,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411681347] [2020-07-17 22:05:40,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:05:40,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:05:40,532 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 22:05:40,540 INFO L168 Benchmark]: Toolchain (without parser) took 2328.55 ms. Allocated memory was 144.2 MB in the beginning and 231.2 MB in the end (delta: 87.0 MB). Free memory was 100.8 MB in the beginning and 152.6 MB in the end (delta: -51.7 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:40,541 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:05:40,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.91 ms. Allocated memory was 144.2 MB in the beginning and 200.3 MB in the end (delta: 56.1 MB). Free memory was 100.4 MB in the beginning and 179.3 MB in the end (delta: -78.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:40,543 INFO L168 Benchmark]: Boogie Preprocessor took 68.10 ms. Allocated memory is still 200.3 MB. Free memory was 179.3 MB in the beginning and 176.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:40,544 INFO L168 Benchmark]: RCFGBuilder took 535.75 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 147.4 MB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:40,545 INFO L168 Benchmark]: TraceAbstraction took 1336.54 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 147.4 MB in the beginning and 152.6 MB in the end (delta: -5.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:40,549 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 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 380.91 ms. Allocated memory was 144.2 MB in the beginning and 200.3 MB in the end (delta: 56.1 MB). Free memory was 100.4 MB in the beginning and 179.3 MB in the end (delta: -78.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.10 ms. Allocated memory is still 200.3 MB. Free memory was 179.3 MB in the beginning and 176.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 535.75 ms. Allocated memory is still 200.3 MB. Free memory was 176.2 MB in the beginning and 147.4 MB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1336.54 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 147.4 MB in the beginning and 152.6 MB in the end (delta: -5.2 MB). Peak memory consumption was 25.7 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...