/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_1232a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:05:56,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:05:56,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:05:56,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:05:56,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:05:56,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:05:56,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:05:56,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:05:56,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:05:56,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:05:56,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:05:56,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:05:56,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:05:56,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:05:56,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:05:56,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:05:56,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:05:56,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:05:56,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:05:56,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:05:56,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:05:56,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:05:56,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:05:56,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:05:56,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:05:56,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:05:56,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:05:56,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:05:56,239 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 22:05:56,252 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:05:56,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:05:56,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:05:56,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:05:56,254 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:05:56,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:05:56,255 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:05:56,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:05:56,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:05:56,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:05:56,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:05:56,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:05:56,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:05:56,256 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:05:56,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:05:56,257 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:05:56,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:05:56,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:05:56,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:05:56,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:05:56,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:05:56,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:05:56,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:05:56,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:05:56,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:05:56,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:05:56,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:05:56,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:05:56,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:05:56,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:05:56,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:05:56,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:05:56,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:05:56,576 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:05:56,577 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:05:56,578 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1232a.c [2020-07-17 22:05:56,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6517a0625/279eca9417254fcfb247f8d55695d406/FLAG7ad55d0fe [2020-07-17 22:05:57,082 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:05:57,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1232a.c [2020-07-17 22:05:57,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6517a0625/279eca9417254fcfb247f8d55695d406/FLAG7ad55d0fe [2020-07-17 22:05:57,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6517a0625/279eca9417254fcfb247f8d55695d406 [2020-07-17 22:05:57,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:05:57,523 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:05:57,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:05:57,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:05:57,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:05:57,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:05:57" (1/1) ... [2020-07-17 22:05:57,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627c3869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:57, skipping insertion in model container [2020-07-17 22:05:57,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:05:57" (1/1) ... [2020-07-17 22:05:57,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:05:57,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:05:57,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:05:57,769 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:05:57,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:05:57,826 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:05:57,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:57 WrapperNode [2020-07-17 22:05:57,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:05:57,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:05:57,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:05:57,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:05:57,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:57" (1/1) ... [2020-07-17 22:05:57,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:57" (1/1) ... [2020-07-17 22:05:57,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:57" (1/1) ... [2020-07-17 22:05:57,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:57" (1/1) ... [2020-07-17 22:05:57,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:57" (1/1) ... [2020-07-17 22:05:57,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:57" (1/1) ... [2020-07-17 22:05:57,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:57" (1/1) ... [2020-07-17 22:05:57,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:05:57,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:05:57,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:05:57,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:05:57,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:57" (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 22:05:58,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:05:58,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:05:58,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2020-07-17 22:05:58,041 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_float [2020-07-17 22:05:58,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-07-17 22:05:58,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:05:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:05:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-17 22:05:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2020-07-17 22:05:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 22:05:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 22:05:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:05:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:05:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_float [2020-07-17 22:05:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-07-17 22:05:58,046 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:05:58,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:05:58,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:05:58,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:05:58,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 22:05:58,558 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:05:58,558 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-17 22:05:58,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:05:58 BoogieIcfgContainer [2020-07-17 22:05:58,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:05:58,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:05:58,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:05:58,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:05:58,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:05:57" (1/3) ... [2020-07-17 22:05:58,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67dab6db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:05:58, skipping insertion in model container [2020-07-17 22:05:58,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:57" (2/3) ... [2020-07-17 22:05:58,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67dab6db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:05:58, skipping insertion in model container [2020-07-17 22:05:58,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:05:58" (3/3) ... [2020-07-17 22:05:58,577 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1232a.c [2020-07-17 22:05:58,588 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:05:58,597 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:05:58,611 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:05:58,634 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:05:58,635 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:05:58,635 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:05:58,635 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:05:58,635 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:05:58,636 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:05:58,636 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:05:58,636 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:05:58,654 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-07-17 22:05:58,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-07-17 22:05:58,662 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:05:58,664 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] [2020-07-17 22:05:58,664 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:05:58,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:05:58,670 INFO L82 PathProgramCache]: Analyzing trace with hash -411440866, now seen corresponding path program 1 times [2020-07-17 22:05:58,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:05:58,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122264617] [2020-07-17 22:05:58,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:05:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:58,928 INFO L280 TraceCheckUtils]: 0: Hoare triple {63#(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; {47#true} is VALID [2020-07-17 22:05:58,928 INFO L280 TraceCheckUtils]: 1: Hoare triple {47#true} assume true; {47#true} is VALID [2020-07-17 22:05:58,930 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {47#true} {47#true} #98#return; {47#true} is VALID [2020-07-17 22:05:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:59,028 INFO L280 TraceCheckUtils]: 0: Hoare triple {64#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~w~0; {47#true} is VALID [2020-07-17 22:05:59,030 INFO L280 TraceCheckUtils]: 1: Hoare triple {47#true} assume !true; {48#false} is VALID [2020-07-17 22:05:59,030 INFO L280 TraceCheckUtils]: 2: Hoare triple {48#false} assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296;#res := 2; {48#false} is VALID [2020-07-17 22:05:59,031 INFO L280 TraceCheckUtils]: 3: Hoare triple {48#false} assume true; {48#false} is VALID [2020-07-17 22:05:59,032 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {48#false} {47#true} #94#return; {48#false} is VALID [2020-07-17 22:05:59,035 INFO L280 TraceCheckUtils]: 0: Hoare triple {64#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;~y := #in~y; {47#true} is VALID [2020-07-17 22:05:59,037 INFO L263 TraceCheckUtils]: 1: Hoare triple {47#true} call #t~ret2 := __fpclassify_float(~x); {64#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:05:59,038 INFO L280 TraceCheckUtils]: 2: Hoare triple {64#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~w~0; {47#true} is VALID [2020-07-17 22:05:59,039 INFO L280 TraceCheckUtils]: 3: Hoare triple {47#true} assume !true; {48#false} is VALID [2020-07-17 22:05:59,039 INFO L280 TraceCheckUtils]: 4: Hoare triple {48#false} assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296;#res := 2; {48#false} is VALID [2020-07-17 22:05:59,040 INFO L280 TraceCheckUtils]: 5: Hoare triple {48#false} assume true; {48#false} is VALID [2020-07-17 22:05:59,040 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {48#false} {47#true} #94#return; {48#false} is VALID [2020-07-17 22:05:59,041 INFO L280 TraceCheckUtils]: 7: Hoare triple {48#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {48#false} is VALID [2020-07-17 22:05:59,042 INFO L280 TraceCheckUtils]: 8: Hoare triple {48#false} assume 0 == #t~ret2;havoc #t~ret2;#res := ~y; {48#false} is VALID [2020-07-17 22:05:59,043 INFO L280 TraceCheckUtils]: 9: Hoare triple {48#false} assume true; {48#false} is VALID [2020-07-17 22:05:59,043 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {48#false} {47#true} #90#return; {48#false} is VALID [2020-07-17 22:05:59,046 INFO L263 TraceCheckUtils]: 0: Hoare triple {47#true} call ULTIMATE.init(); {63#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-17 22:05:59,046 INFO L280 TraceCheckUtils]: 1: Hoare triple {63#(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; {47#true} is VALID [2020-07-17 22:05:59,047 INFO L280 TraceCheckUtils]: 2: Hoare triple {47#true} assume true; {47#true} is VALID [2020-07-17 22:05:59,047 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {47#true} {47#true} #98#return; {47#true} is VALID [2020-07-17 22:05:59,048 INFO L263 TraceCheckUtils]: 4: Hoare triple {47#true} call #t~ret10 := main(); {47#true} is VALID [2020-07-17 22:05:59,048 INFO L280 TraceCheckUtils]: 5: Hoare triple {47#true} ~x~0 := 0.0;~y~0 := ~someUnaryFLOAToperation(0.0); {47#true} is VALID [2020-07-17 22:05:59,050 INFO L263 TraceCheckUtils]: 6: Hoare triple {47#true} call #t~ret7 := fmin_float(~x~0, ~y~0); {64#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:05:59,051 INFO L280 TraceCheckUtils]: 7: Hoare triple {64#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;~y := #in~y; {47#true} is VALID [2020-07-17 22:05:59,053 INFO L263 TraceCheckUtils]: 8: Hoare triple {47#true} call #t~ret2 := __fpclassify_float(~x); {64#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:05:59,053 INFO L280 TraceCheckUtils]: 9: Hoare triple {64#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~w~0; {47#true} is VALID [2020-07-17 22:05:59,054 INFO L280 TraceCheckUtils]: 10: Hoare triple {47#true} assume !true; {48#false} is VALID [2020-07-17 22:05:59,055 INFO L280 TraceCheckUtils]: 11: Hoare triple {48#false} assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296;#res := 2; {48#false} is VALID [2020-07-17 22:05:59,055 INFO L280 TraceCheckUtils]: 12: Hoare triple {48#false} assume true; {48#false} is VALID [2020-07-17 22:05:59,056 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {48#false} {47#true} #94#return; {48#false} is VALID [2020-07-17 22:05:59,056 INFO L280 TraceCheckUtils]: 14: Hoare triple {48#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {48#false} is VALID [2020-07-17 22:05:59,056 INFO L280 TraceCheckUtils]: 15: Hoare triple {48#false} assume 0 == #t~ret2;havoc #t~ret2;#res := ~y; {48#false} is VALID [2020-07-17 22:05:59,057 INFO L280 TraceCheckUtils]: 16: Hoare triple {48#false} assume true; {48#false} is VALID [2020-07-17 22:05:59,057 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {48#false} {47#true} #90#return; {48#false} is VALID [2020-07-17 22:05:59,058 INFO L280 TraceCheckUtils]: 18: Hoare triple {48#false} ~res~0 := #t~ret7;havoc #t~ret7;#t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); {48#false} is VALID [2020-07-17 22:05:59,058 INFO L280 TraceCheckUtils]: 19: Hoare triple {48#false} assume !#t~short9; {48#false} is VALID [2020-07-17 22:05:59,058 INFO L280 TraceCheckUtils]: 20: Hoare triple {48#false} assume !#t~short9;havoc #t~ret8;havoc #t~short9; {48#false} is VALID [2020-07-17 22:05:59,059 INFO L280 TraceCheckUtils]: 21: Hoare triple {48#false} assume !false; {48#false} is VALID [2020-07-17 22:05:59,062 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 22:05:59,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122264617] [2020-07-17 22:05:59,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:05:59,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 22:05:59,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726645004] [2020-07-17 22:05:59,073 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-07-17 22:05:59,076 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:05:59,080 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 22:05:59,122 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:05:59,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 22:05:59,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:05:59,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 22:05:59,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 22:05:59,135 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 4 states. [2020-07-17 22:05:59,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:05:59,646 INFO L93 Difference]: Finished difference Result 79 states and 107 transitions. [2020-07-17 22:05:59,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 22:05:59,647 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-07-17 22:05:59,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:05:59,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:05:59,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 107 transitions. [2020-07-17 22:05:59,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:05:59,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 107 transitions. [2020-07-17 22:05:59,674 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 107 transitions. [2020-07-17 22:05:59,836 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:05:59,861 INFO L225 Difference]: With dead ends: 79 [2020-07-17 22:05:59,862 INFO L226 Difference]: Without dead ends: 40 [2020-07-17 22:05:59,874 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 22:05:59,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-07-17 22:05:59,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-07-17 22:05:59,964 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:05:59,964 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand 40 states. [2020-07-17 22:05:59,965 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 40 states. [2020-07-17 22:05:59,965 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 40 states. [2020-07-17 22:05:59,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:05:59,978 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2020-07-17 22:05:59,978 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2020-07-17 22:05:59,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:05:59,979 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:05:59,980 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 40 states. [2020-07-17 22:05:59,985 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 40 states. [2020-07-17 22:06:00,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:06:00,006 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2020-07-17 22:06:00,006 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2020-07-17 22:06:00,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:06:00,007 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:06:00,007 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:06:00,007 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:06:00,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-07-17 22:06:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2020-07-17 22:06:00,020 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 22 [2020-07-17 22:06:00,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:06:00,021 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2020-07-17 22:06:00,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 22:06:00,021 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2020-07-17 22:06:00,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-07-17 22:06:00,023 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:06:00,023 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] [2020-07-17 22:06:00,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:06:00,024 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:06:00,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:06:00,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1480673795, now seen corresponding path program 1 times [2020-07-17 22:06:00,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:06:00,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579190115] [2020-07-17 22:06:00,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:06:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:06:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:06:00,152 INFO L280 TraceCheckUtils]: 0: Hoare triple {323#(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; {306#true} is VALID [2020-07-17 22:06:00,153 INFO L280 TraceCheckUtils]: 1: Hoare triple {306#true} assume true; {306#true} is VALID [2020-07-17 22:06:00,153 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {306#true} {306#true} #98#return; {306#true} is VALID [2020-07-17 22:06:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:06:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:06:00,244 INFO L280 TraceCheckUtils]: 0: Hoare triple {324#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~w~0; {306#true} is VALID [2020-07-17 22:06:00,245 INFO L280 TraceCheckUtils]: 1: Hoare triple {306#true} call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~w~0 := #t~mem0;call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; {306#true} is VALID [2020-07-17 22:06:00,245 INFO L280 TraceCheckUtils]: 2: Hoare triple {306#true} goto; {306#true} is VALID [2020-07-17 22:06:00,246 INFO L280 TraceCheckUtils]: 3: Hoare triple {306#true} assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296;#res := 2; {332#(<= 2 |__fpclassify_float_#res|)} is VALID [2020-07-17 22:06:00,247 INFO L280 TraceCheckUtils]: 4: Hoare triple {332#(<= 2 |__fpclassify_float_#res|)} assume true; {332#(<= 2 |__fpclassify_float_#res|)} is VALID [2020-07-17 22:06:00,248 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {332#(<= 2 |__fpclassify_float_#res|)} {306#true} #94#return; {331#(<= 2 |fmin_float_#t~ret2|)} is VALID [2020-07-17 22:06:00,249 INFO L280 TraceCheckUtils]: 0: Hoare triple {324#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;~y := #in~y; {306#true} is VALID [2020-07-17 22:06:00,250 INFO L263 TraceCheckUtils]: 1: Hoare triple {306#true} call #t~ret2 := __fpclassify_float(~x); {324#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:06:00,251 INFO L280 TraceCheckUtils]: 2: Hoare triple {324#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~w~0; {306#true} is VALID [2020-07-17 22:06:00,251 INFO L280 TraceCheckUtils]: 3: Hoare triple {306#true} call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~w~0 := #t~mem0;call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; {306#true} is VALID [2020-07-17 22:06:00,251 INFO L280 TraceCheckUtils]: 4: Hoare triple {306#true} goto; {306#true} is VALID [2020-07-17 22:06:00,252 INFO L280 TraceCheckUtils]: 5: Hoare triple {306#true} assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296;#res := 2; {332#(<= 2 |__fpclassify_float_#res|)} is VALID [2020-07-17 22:06:00,253 INFO L280 TraceCheckUtils]: 6: Hoare triple {332#(<= 2 |__fpclassify_float_#res|)} assume true; {332#(<= 2 |__fpclassify_float_#res|)} is VALID [2020-07-17 22:06:00,255 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {332#(<= 2 |__fpclassify_float_#res|)} {306#true} #94#return; {331#(<= 2 |fmin_float_#t~ret2|)} is VALID [2020-07-17 22:06:00,255 INFO L280 TraceCheckUtils]: 8: Hoare triple {331#(<= 2 |fmin_float_#t~ret2|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {331#(<= 2 |fmin_float_#t~ret2|)} is VALID [2020-07-17 22:06:00,256 INFO L280 TraceCheckUtils]: 9: Hoare triple {331#(<= 2 |fmin_float_#t~ret2|)} assume 0 == #t~ret2;havoc #t~ret2;#res := ~y; {307#false} is VALID [2020-07-17 22:06:00,257 INFO L280 TraceCheckUtils]: 10: Hoare triple {307#false} assume true; {307#false} is VALID [2020-07-17 22:06:00,257 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {307#false} {306#true} #90#return; {307#false} is VALID [2020-07-17 22:06:00,259 INFO L263 TraceCheckUtils]: 0: Hoare triple {306#true} call ULTIMATE.init(); {323#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-17 22:06:00,259 INFO L280 TraceCheckUtils]: 1: Hoare triple {323#(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; {306#true} is VALID [2020-07-17 22:06:00,259 INFO L280 TraceCheckUtils]: 2: Hoare triple {306#true} assume true; {306#true} is VALID [2020-07-17 22:06:00,260 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {306#true} {306#true} #98#return; {306#true} is VALID [2020-07-17 22:06:00,260 INFO L263 TraceCheckUtils]: 4: Hoare triple {306#true} call #t~ret10 := main(); {306#true} is VALID [2020-07-17 22:06:00,260 INFO L280 TraceCheckUtils]: 5: Hoare triple {306#true} ~x~0 := 0.0;~y~0 := ~someUnaryFLOAToperation(0.0); {306#true} is VALID [2020-07-17 22:06:00,262 INFO L263 TraceCheckUtils]: 6: Hoare triple {306#true} call #t~ret7 := fmin_float(~x~0, ~y~0); {324#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:06:00,263 INFO L280 TraceCheckUtils]: 7: Hoare triple {324#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;~y := #in~y; {306#true} is VALID [2020-07-17 22:06:00,264 INFO L263 TraceCheckUtils]: 8: Hoare triple {306#true} call #t~ret2 := __fpclassify_float(~x); {324#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:06:00,264 INFO L280 TraceCheckUtils]: 9: Hoare triple {324#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~w~0; {306#true} is VALID [2020-07-17 22:06:00,265 INFO L280 TraceCheckUtils]: 10: Hoare triple {306#true} call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~w~0 := #t~mem0;call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; {306#true} is VALID [2020-07-17 22:06:00,265 INFO L280 TraceCheckUtils]: 11: Hoare triple {306#true} goto; {306#true} is VALID [2020-07-17 22:06:00,266 INFO L280 TraceCheckUtils]: 12: Hoare triple {306#true} assume 0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296;#res := 2; {332#(<= 2 |__fpclassify_float_#res|)} is VALID [2020-07-17 22:06:00,267 INFO L280 TraceCheckUtils]: 13: Hoare triple {332#(<= 2 |__fpclassify_float_#res|)} assume true; {332#(<= 2 |__fpclassify_float_#res|)} is VALID [2020-07-17 22:06:00,268 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {332#(<= 2 |__fpclassify_float_#res|)} {306#true} #94#return; {331#(<= 2 |fmin_float_#t~ret2|)} is VALID [2020-07-17 22:06:00,269 INFO L280 TraceCheckUtils]: 15: Hoare triple {331#(<= 2 |fmin_float_#t~ret2|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {331#(<= 2 |fmin_float_#t~ret2|)} is VALID [2020-07-17 22:06:00,269 INFO L280 TraceCheckUtils]: 16: Hoare triple {331#(<= 2 |fmin_float_#t~ret2|)} assume 0 == #t~ret2;havoc #t~ret2;#res := ~y; {307#false} is VALID [2020-07-17 22:06:00,270 INFO L280 TraceCheckUtils]: 17: Hoare triple {307#false} assume true; {307#false} is VALID [2020-07-17 22:06:00,270 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {307#false} {306#true} #90#return; {307#false} is VALID [2020-07-17 22:06:00,270 INFO L280 TraceCheckUtils]: 19: Hoare triple {307#false} ~res~0 := #t~ret7;havoc #t~ret7;#t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); {307#false} is VALID [2020-07-17 22:06:00,271 INFO L280 TraceCheckUtils]: 20: Hoare triple {307#false} assume !#t~short9; {307#false} is VALID [2020-07-17 22:06:00,271 INFO L280 TraceCheckUtils]: 21: Hoare triple {307#false} assume !#t~short9;havoc #t~ret8;havoc #t~short9; {307#false} is VALID [2020-07-17 22:06:00,271 INFO L280 TraceCheckUtils]: 22: Hoare triple {307#false} assume !false; {307#false} is VALID [2020-07-17 22:06:00,273 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 22:06:00,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579190115] [2020-07-17 22:06:00,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:06:00,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:06:00,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887425672] [2020-07-17 22:06:00,276 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-07-17 22:06:00,276 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:06:00,276 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:06:00,307 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:06:00,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:06:00,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:06:00,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:06:00,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:06:00,309 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 6 states. [2020-07-17 22:06:00,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:06:00,995 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2020-07-17 22:06:00,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 22:06:00,995 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-07-17 22:06:00,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:06:00,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:06:01,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2020-07-17 22:06:01,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:06:01,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2020-07-17 22:06:01,004 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 69 transitions. [2020-07-17 22:06:01,118 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:06:01,121 INFO L225 Difference]: With dead ends: 59 [2020-07-17 22:06:01,121 INFO L226 Difference]: Without dead ends: 44 [2020-07-17 22:06:01,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:06:01,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-07-17 22:06:01,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-07-17 22:06:01,159 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:06:01,159 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand 44 states. [2020-07-17 22:06:01,159 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 44 states. [2020-07-17 22:06:01,160 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 44 states. [2020-07-17 22:06:01,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:06:01,164 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-07-17 22:06:01,164 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2020-07-17 22:06:01,165 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:06:01,166 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:06:01,166 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 44 states. [2020-07-17 22:06:01,166 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 44 states. [2020-07-17 22:06:01,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:06:01,171 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-07-17 22:06:01,171 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2020-07-17 22:06:01,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:06:01,172 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:06:01,172 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:06:01,172 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:06:01,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-17 22:06:01,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2020-07-17 22:06:01,176 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 23 [2020-07-17 22:06:01,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:06:01,177 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2020-07-17 22:06:01,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:06:01,177 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2020-07-17 22:06:01,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 22:06:01,178 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:06:01,179 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 22:06:01,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:06:01,179 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:06:01,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:06:01,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1766352133, now seen corresponding path program 1 times [2020-07-17 22:06:01,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:06:01,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504383803] [2020-07-17 22:06:01,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:06:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:06:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:06:01,280 INFO L280 TraceCheckUtils]: 0: Hoare triple {582#(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; {562#true} is VALID [2020-07-17 22:06:01,280 INFO L280 TraceCheckUtils]: 1: Hoare triple {562#true} assume true; {562#true} is VALID [2020-07-17 22:06:01,281 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {562#true} {562#true} #98#return; {562#true} is VALID [2020-07-17 22:06:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:06:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:06:01,373 INFO L280 TraceCheckUtils]: 0: Hoare triple {583#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~w~0; {562#true} is VALID [2020-07-17 22:06:01,374 INFO L280 TraceCheckUtils]: 1: Hoare triple {562#true} call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~w~0 := #t~mem0;call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; {562#true} is VALID [2020-07-17 22:06:01,374 INFO L280 TraceCheckUtils]: 2: Hoare triple {562#true} goto; {562#true} is VALID [2020-07-17 22:06:01,374 INFO L280 TraceCheckUtils]: 3: Hoare triple {562#true} assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); {562#true} is VALID [2020-07-17 22:06:01,375 INFO L280 TraceCheckUtils]: 4: Hoare triple {562#true} assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); {562#true} is VALID [2020-07-17 22:06:01,375 INFO L280 TraceCheckUtils]: 5: Hoare triple {562#true} assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); {562#true} is VALID [2020-07-17 22:06:01,376 INFO L280 TraceCheckUtils]: 6: Hoare triple {562#true} assume 2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296;#res := 1; {594#(<= 1 |__fpclassify_float_#res|)} is VALID [2020-07-17 22:06:01,377 INFO L280 TraceCheckUtils]: 7: Hoare triple {594#(<= 1 |__fpclassify_float_#res|)} assume true; {594#(<= 1 |__fpclassify_float_#res|)} is VALID [2020-07-17 22:06:01,378 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {594#(<= 1 |__fpclassify_float_#res|)} {562#true} #94#return; {593#(<= 1 |fmin_float_#t~ret2|)} is VALID [2020-07-17 22:06:01,379 INFO L280 TraceCheckUtils]: 0: Hoare triple {583#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;~y := #in~y; {562#true} is VALID [2020-07-17 22:06:01,380 INFO L263 TraceCheckUtils]: 1: Hoare triple {562#true} call #t~ret2 := __fpclassify_float(~x); {583#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:06:01,380 INFO L280 TraceCheckUtils]: 2: Hoare triple {583#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~w~0; {562#true} is VALID [2020-07-17 22:06:01,381 INFO L280 TraceCheckUtils]: 3: Hoare triple {562#true} call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~w~0 := #t~mem0;call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; {562#true} is VALID [2020-07-17 22:06:01,381 INFO L280 TraceCheckUtils]: 4: Hoare triple {562#true} goto; {562#true} is VALID [2020-07-17 22:06:01,381 INFO L280 TraceCheckUtils]: 5: Hoare triple {562#true} assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); {562#true} is VALID [2020-07-17 22:06:01,382 INFO L280 TraceCheckUtils]: 6: Hoare triple {562#true} assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); {562#true} is VALID [2020-07-17 22:06:01,382 INFO L280 TraceCheckUtils]: 7: Hoare triple {562#true} assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); {562#true} is VALID [2020-07-17 22:06:01,383 INFO L280 TraceCheckUtils]: 8: Hoare triple {562#true} assume 2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296;#res := 1; {594#(<= 1 |__fpclassify_float_#res|)} is VALID [2020-07-17 22:06:01,384 INFO L280 TraceCheckUtils]: 9: Hoare triple {594#(<= 1 |__fpclassify_float_#res|)} assume true; {594#(<= 1 |__fpclassify_float_#res|)} is VALID [2020-07-17 22:06:01,385 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {594#(<= 1 |__fpclassify_float_#res|)} {562#true} #94#return; {593#(<= 1 |fmin_float_#t~ret2|)} is VALID [2020-07-17 22:06:01,386 INFO L280 TraceCheckUtils]: 11: Hoare triple {593#(<= 1 |fmin_float_#t~ret2|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {593#(<= 1 |fmin_float_#t~ret2|)} is VALID [2020-07-17 22:06:01,386 INFO L280 TraceCheckUtils]: 12: Hoare triple {593#(<= 1 |fmin_float_#t~ret2|)} assume 0 == #t~ret2;havoc #t~ret2;#res := ~y; {563#false} is VALID [2020-07-17 22:06:01,387 INFO L280 TraceCheckUtils]: 13: Hoare triple {563#false} assume true; {563#false} is VALID [2020-07-17 22:06:01,387 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {563#false} {562#true} #90#return; {563#false} is VALID [2020-07-17 22:06:01,389 INFO L263 TraceCheckUtils]: 0: Hoare triple {562#true} call ULTIMATE.init(); {582#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-17 22:06:01,389 INFO L280 TraceCheckUtils]: 1: Hoare triple {582#(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; {562#true} is VALID [2020-07-17 22:06:01,390 INFO L280 TraceCheckUtils]: 2: Hoare triple {562#true} assume true; {562#true} is VALID [2020-07-17 22:06:01,390 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {562#true} {562#true} #98#return; {562#true} is VALID [2020-07-17 22:06:01,390 INFO L263 TraceCheckUtils]: 4: Hoare triple {562#true} call #t~ret10 := main(); {562#true} is VALID [2020-07-17 22:06:01,390 INFO L280 TraceCheckUtils]: 5: Hoare triple {562#true} ~x~0 := 0.0;~y~0 := ~someUnaryFLOAToperation(0.0); {562#true} is VALID [2020-07-17 22:06:01,392 INFO L263 TraceCheckUtils]: 6: Hoare triple {562#true} call #t~ret7 := fmin_float(~x~0, ~y~0); {583#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:06:01,392 INFO L280 TraceCheckUtils]: 7: Hoare triple {583#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;~y := #in~y; {562#true} is VALID [2020-07-17 22:06:01,394 INFO L263 TraceCheckUtils]: 8: Hoare triple {562#true} call #t~ret2 := __fpclassify_float(~x); {583#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:06:01,394 INFO L280 TraceCheckUtils]: 9: Hoare triple {583#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;havoc ~w~0; {562#true} is VALID [2020-07-17 22:06:01,394 INFO L280 TraceCheckUtils]: 10: Hoare triple {562#true} call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.allocOnStack(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~w~0 := #t~mem0;call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; {562#true} is VALID [2020-07-17 22:06:01,395 INFO L280 TraceCheckUtils]: 11: Hoare triple {562#true} goto; {562#true} is VALID [2020-07-17 22:06:01,395 INFO L280 TraceCheckUtils]: 12: Hoare triple {562#true} assume !(0 == ~w~0 % 4294967296 || 2147483648 == ~w~0 % 4294967296); {562#true} is VALID [2020-07-17 22:06:01,395 INFO L280 TraceCheckUtils]: 13: Hoare triple {562#true} assume !((~w~0 % 4294967296 >= 8388608 && ~w~0 % 4294967296 <= 2139095039) || (~w~0 % 4294967296 >= 2155872256 && ~w~0 % 4294967296 <= 4286578687)); {562#true} is VALID [2020-07-17 22:06:01,396 INFO L280 TraceCheckUtils]: 14: Hoare triple {562#true} assume !((~w~0 % 4294967296 >= 1 && ~w~0 % 4294967296 <= 8388607) || (~w~0 % 4294967296 >= 2147483649 && ~w~0 % 4294967296 <= 2155872255)); {562#true} is VALID [2020-07-17 22:06:01,397 INFO L280 TraceCheckUtils]: 15: Hoare triple {562#true} assume 2139095040 == ~w~0 % 4294967296 || 4286578688 == ~w~0 % 4294967296;#res := 1; {594#(<= 1 |__fpclassify_float_#res|)} is VALID [2020-07-17 22:06:01,397 INFO L280 TraceCheckUtils]: 16: Hoare triple {594#(<= 1 |__fpclassify_float_#res|)} assume true; {594#(<= 1 |__fpclassify_float_#res|)} is VALID [2020-07-17 22:06:01,399 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {594#(<= 1 |__fpclassify_float_#res|)} {562#true} #94#return; {593#(<= 1 |fmin_float_#t~ret2|)} is VALID [2020-07-17 22:06:01,399 INFO L280 TraceCheckUtils]: 18: Hoare triple {593#(<= 1 |fmin_float_#t~ret2|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647; {593#(<= 1 |fmin_float_#t~ret2|)} is VALID [2020-07-17 22:06:01,400 INFO L280 TraceCheckUtils]: 19: Hoare triple {593#(<= 1 |fmin_float_#t~ret2|)} assume 0 == #t~ret2;havoc #t~ret2;#res := ~y; {563#false} is VALID [2020-07-17 22:06:01,400 INFO L280 TraceCheckUtils]: 20: Hoare triple {563#false} assume true; {563#false} is VALID [2020-07-17 22:06:01,401 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {563#false} {562#true} #90#return; {563#false} is VALID [2020-07-17 22:06:01,401 INFO L280 TraceCheckUtils]: 22: Hoare triple {563#false} ~res~0 := #t~ret7;havoc #t~ret7;#t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, ~someUnaryFLOAToperation(0.0)); {563#false} is VALID [2020-07-17 22:06:01,401 INFO L280 TraceCheckUtils]: 23: Hoare triple {563#false} assume !#t~short9; {563#false} is VALID [2020-07-17 22:06:01,402 INFO L280 TraceCheckUtils]: 24: Hoare triple {563#false} assume !#t~short9;havoc #t~ret8;havoc #t~short9; {563#false} is VALID [2020-07-17 22:06:01,402 INFO L280 TraceCheckUtils]: 25: Hoare triple {563#false} assume !false; {563#false} is VALID [2020-07-17 22:06:01,403 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 22:06:01,404 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504383803] [2020-07-17 22:06:01,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:06:01,404 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 22:06:01,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850094334] [2020-07-17 22:06:01,405 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-17 22:06:01,405 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:06:01,405 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-17 22:06:01,440 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:06:01,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 22:06:01,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:06:01,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 22:06:01,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 22:06:01,442 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand 6 states. [2020-07-17 22:06:02,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:06:02,017 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2020-07-17 22:06:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 22:06:02,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-07-17 22:06:02,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:06:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:06:02,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2020-07-17 22:06:02,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-17 22:06:02,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2020-07-17 22:06:02,031 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 69 transitions. [2020-07-17 22:06:02,151 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:06:02,155 INFO L225 Difference]: With dead ends: 63 [2020-07-17 22:06:02,155 INFO L226 Difference]: Without dead ends: 48 [2020-07-17 22:06:02,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-17 22:06:02,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-07-17 22:06:02,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2020-07-17 22:06:02,199 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:06:02,199 INFO L82 GeneralOperation]: Start isEquivalent. First operand 48 states. Second operand 44 states. [2020-07-17 22:06:02,200 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 44 states. [2020-07-17 22:06:02,200 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 44 states. [2020-07-17 22:06:02,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:06:02,204 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2020-07-17 22:06:02,204 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2020-07-17 22:06:02,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:06:02,206 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:06:02,206 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 48 states. [2020-07-17 22:06:02,206 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 48 states. [2020-07-17 22:06:02,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:06:02,210 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2020-07-17 22:06:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2020-07-17 22:06:02,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:06:02,215 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:06:02,215 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:06:02,215 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:06:02,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-17 22:06:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2020-07-17 22:06:02,219 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 26 [2020-07-17 22:06:02,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:06:02,220 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2020-07-17 22:06:02,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 22:06:02,220 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2020-07-17 22:06:02,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-17 22:06:02,225 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:06:02,225 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 22:06:02,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 22:06:02,227 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:06:02,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:06:02,228 INFO L82 PathProgramCache]: Analyzing trace with hash -30599226, now seen corresponding path program 1 times [2020-07-17 22:06:02,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:06:02,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126541958] [2020-07-17 22:06:02,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:06:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:06:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:06:02,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 22:06:02,458 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.model.Model.map(Model.java:227) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.add(ModelBuilder.java:123) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.fillInFunctions(ModelBuilder.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.(ModelBuilder.java:49) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.CClosure.fillInModel(CClosure.java:1312) at de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.(Model.java:120) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.buildModel(SMTInterpol.java:1139) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getValue(SMTInterpol.java:1004) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.getValues(SmtUtils.java:2102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.getValue(TraceCheck.java:407) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.lambda$0(TraceCheck.java:381) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecution(TraceCheck.java:390) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:349) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:228) 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 22:06:02,464 INFO L168 Benchmark]: Toolchain (without parser) took 4941.91 ms. Allocated memory was 144.7 MB in the beginning and 286.3 MB in the end (delta: 141.6 MB). Free memory was 102.3 MB in the beginning and 257.6 MB in the end (delta: -155.3 MB). Peak memory consumption was 111.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:06:02,465 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:06:02,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.55 ms. Allocated memory is still 144.7 MB. Free memory was 101.9 MB in the beginning and 90.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:06:02,467 INFO L168 Benchmark]: Boogie Preprocessor took 144.50 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 90.0 MB in the beginning and 178.8 MB in the end (delta: -88.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:06:02,467 INFO L168 Benchmark]: RCFGBuilder took 590.04 ms. Allocated memory is still 201.9 MB. Free memory was 178.1 MB in the beginning and 148.1 MB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2020-07-17 22:06:02,468 INFO L168 Benchmark]: TraceAbstraction took 3897.04 ms. Allocated memory was 201.9 MB in the beginning and 286.3 MB in the end (delta: 84.4 MB). Free memory was 148.1 MB in the beginning and 257.6 MB in the end (delta: -109.4 MB). Peak memory consumption was 99.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:06:02,473 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 0.24 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 303.55 ms. Allocated memory is still 144.7 MB. Free memory was 101.9 MB in the beginning and 90.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.50 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 90.0 MB in the beginning and 178.8 MB in the end (delta: -88.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 590.04 ms. Allocated memory is still 201.9 MB. Free memory was 178.1 MB in the beginning and 148.1 MB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3897.04 ms. Allocated memory was 201.9 MB in the beginning and 286.3 MB in the end (delta: 84.4 MB). Free memory was 148.1 MB in the beginning and 257.6 MB in the end (delta: -109.4 MB). Peak memory consumption was 99.8 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.model.Model.map(Model.java:227) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...