java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/cast_union_tight.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:17:47,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:17:47,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:17:47,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:17:47,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:17:47,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:17:47,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:17:47,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:17:47,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:17:47,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:17:47,213 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:17:47,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:17:47,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:17:47,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:17:47,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:17:47,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:17:47,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:17:47,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:17:47,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:17:47,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:17:47,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:17:47,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:17:47,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:17:47,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:17:47,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:17:47,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:17:47,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:17:47,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:17:47,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:17:47,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:17:47,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:17:47,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:17:47,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:17:47,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:17:47,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:17:47,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:17:47,248 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 [2019-08-18 06:17:47,275 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:17:47,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:17:47,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:17:47,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:17:47,278 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:17:47,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:17:47,278 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:17:47,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:17:47,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:17:47,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:17:47,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:17:47,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:17:47,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:17:47,281 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:17:47,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:17:47,282 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:17:47,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:17:47,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:17:47,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:17:47,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:17:47,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:17:47,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:17:47,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:17:47,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:17:47,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:17:47,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:17:47,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:17:47,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:17:47,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:17:47,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:17:47,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:17:47,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:17:47,344 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:17:47,344 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:17:47,345 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_union_tight.c [2019-08-18 06:17:47,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd2f7fa79/6d3d214b451d42c48821d27ee6102827/FLAG052d0eae4 [2019-08-18 06:17:47,909 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:17:47,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_union_tight.c [2019-08-18 06:17:47,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd2f7fa79/6d3d214b451d42c48821d27ee6102827/FLAG052d0eae4 [2019-08-18 06:17:48,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd2f7fa79/6d3d214b451d42c48821d27ee6102827 [2019-08-18 06:17:48,286 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:17:48,288 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:17:48,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:17:48,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:17:48,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:17:48,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:17:48" (1/1) ... [2019-08-18 06:17:48,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da45c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:48, skipping insertion in model container [2019-08-18 06:17:48,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:17:48" (1/1) ... [2019-08-18 06:17:48,304 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:17:48,318 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:17:48,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:17:48,523 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:17:48,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:17:48,655 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:17:48,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:48 WrapperNode [2019-08-18 06:17:48,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:17:48,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:17:48,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:17:48,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:17:48,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:48" (1/1) ... [2019-08-18 06:17:48,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:48" (1/1) ... [2019-08-18 06:17:48,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:48" (1/1) ... [2019-08-18 06:17:48,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:48" (1/1) ... [2019-08-18 06:17:48,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:48" (1/1) ... [2019-08-18 06:17:48,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:48" (1/1) ... [2019-08-18 06:17:48,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:48" (1/1) ... [2019-08-18 06:17:48,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:17:48,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:17:48,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:17:48,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:17:48,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:48" (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 [2019-08-18 06:17:48,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:17:48,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:17:48,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 06:17:48,744 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2019-08-18 06:17:48,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:17:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:17:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 06:17:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 06:17:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2019-08-18 06:17:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:17:48,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:17:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:17:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-18 06:17:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:17:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:17:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:17:48,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:17:48,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-18 06:17:48,973 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:17:48,973 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:17:48,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:17:48 BoogieIcfgContainer [2019-08-18 06:17:48,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:17:48,984 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:17:48,984 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:17:48,984 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:17:48,987 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:17:48" (1/1) ... [2019-08-18 06:17:49,009 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:17:49,012 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:17:49,022 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:17:49,049 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:17:49,052 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:17:49,150 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 06:17:49,151 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:49,167 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:49,168 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:17:49,169 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:17:49,181 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 20 [2019-08-18 06:17:49,213 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_8|], 6=[|v_#valid_15|]} [2019-08-18 06:17:49,237 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:17:49,240 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2019-08-18 06:17:49,240 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:49,353 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-18 06:17:49,354 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:49,414 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-18 06:17:49,415 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 29 [2019-08-18 06:17:49,417 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:49,528 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-08-18 06:17:49,529 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:49,540 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_8|, |v_#memory_real_13|, |v_#memory_int_10|], 1=[|v_#memory_real_10|, |v_#memory_real_9|]} [2019-08-18 06:17:49,559 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:17:49,645 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:49,665 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 06:17:49,666 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:49,740 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:49,761 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 29 [2019-08-18 06:17:49,762 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:49,831 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:49,844 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:17:49,905 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:49,917 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 15 [2019-08-18 06:17:49,918 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-18 06:17:49,974 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:17:49,978 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, 5 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-18 06:17:49,979 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 10 variables, input treesize:238, output treesize:63 [2019-08-18 06:17:50,037 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 73 [2019-08-18 06:17:50,041 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:17:50,041 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:17:50,044 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 21#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((|v_cast_~#y~0.base_3| Int) (|v_cast_~#x~0.base_3| Int) (v_prenex_2 Int) (v_prenex_1 Int)) (or (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| |v_cast_~#x~0.base_3|) 0) 1127219200) (= 0 |#NULL.base|) (= (select |#length| |v_cast_~#y~0.base_3|) 8) (= (select |#valid| |v_cast_~#y~0.base_3|) 0) (= (select |#length| |v_cast_~#x~0.base_3|) 8) (= (- 2147483648) (select (select |#memory_int| |v_cast_~#x~0.base_3|) 4)) (not (= |v_cast_~#x~0.base_3| 0)) (not (= |v_cast_~#y~0.base_3| 0)) (< |v_cast_~#y~0.base_3| |#StackHeapBarrier|) (= (select (select |#memory_int| |v_cast_~#y~0.base_3|) 0) 1127219200) (not (= |v_cast_~#y~0.base_3| |v_cast_~#x~0.base_3|)) (< |v_cast_~#x~0.base_3| |#StackHeapBarrier|) (= (select |#valid| |v_cast_~#x~0.base_3|) 0) (= |#NULL.offset| 0)) (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 |#NULL.base|) (= (select |#valid| v_prenex_1) 0) (= (select (select |#memory_int| v_prenex_1) 0) 1127219200) (not (= v_prenex_1 0)) (= (select |#length| v_prenex_1) 8) (= (- 2147483648) (select (select |#memory_int| v_prenex_2) 4)) (= (select |#length| v_prenex_2) 8) (= (select |#valid| v_prenex_2) 0) (< v_prenex_2 |#StackHeapBarrier|) (= (select (select |#memory_int| v_prenex_2) 0) 1127219200) (not (= v_prenex_1 v_prenex_2)) (< v_prenex_1 |#StackHeapBarrier|) (not (= v_prenex_2 0)) (= |#NULL.offset| 0))))) [2019-08-18 06:17:50,055 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:17:50,056 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:17:50,059 INFO L168 Benchmark]: Toolchain (without parser) took 1770.86 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.1 MB in the beginning and 90.6 MB in the end (delta: -2.5 MB). Peak memory consumption was 64.6 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:50,060 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-18 06:17:50,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.69 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.9 MB in the beginning and 177.2 MB in the end (delta: -89.3 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:50,062 INFO L168 Benchmark]: Boogie Preprocessor took 34.18 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 174.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:50,063 INFO L168 Benchmark]: RCFGBuilder took 290.15 ms. Allocated memory is still 200.3 MB. Free memory was 174.9 MB in the beginning and 161.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:50,064 INFO L168 Benchmark]: Symbolic Interpretation took 1072.29 ms. Allocated memory is still 200.3 MB. Free memory was 160.5 MB in the beginning and 90.6 MB in the end (delta: 69.9 MB). Peak memory consumption was 69.9 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:50,069 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 21#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((|v_cast_~#y~0.base_3| Int) (|v_cast_~#x~0.base_3| Int) (v_prenex_2 Int) (v_prenex_1 Int)) (or (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| |v_cast_~#x~0.base_3|) 0) 1127219200) (= 0 |#NULL.base|) (= (select |#length| |v_cast_~#y~0.base_3|) 8) (= (select |#valid| |v_cast_~#y~0.base_3|) 0) (= (select |#length| |v_cast_~#x~0.base_3|) 8) (= (- 2147483648) (select (select |#memory_int| |v_cast_~#x~0.base_3|) 4)) (not (= |v_cast_~#x~0.base_3| 0)) (not (= |v_cast_~#y~0.base_3| 0)) (< |v_cast_~#y~0.base_3| |#StackHeapBarrier|) (= (select (select |#memory_int| |v_cast_~#y~0.base_3|) 0) 1127219200) (not (= |v_cast_~#y~0.base_3| |v_cast_~#x~0.base_3|)) (< |v_cast_~#x~0.base_3| |#StackHeapBarrier|) (= (select |#valid| |v_cast_~#x~0.base_3|) 0) (= |#NULL.offset| 0)) (and (= |__VERIFIER_assert_#in~cond| 0) (= 0 |#NULL.base|) (= (select |#valid| v_prenex_1) 0) (= (select (select |#memory_int| v_prenex_1) 0) 1127219200) (not (= v_prenex_1 0)) (= (select |#length| v_prenex_1) 8) (= (- 2147483648) (select (select |#memory_int| v_prenex_2) 4)) (= (select |#length| v_prenex_2) 8) (= (select |#valid| v_prenex_2) 0) (< v_prenex_2 |#StackHeapBarrier|) (= (select (select |#memory_int| v_prenex_2) 0) 1127219200) (not (= v_prenex_1 v_prenex_2)) (< v_prenex_1 |#StackHeapBarrier|) (not (= v_prenex_2 0)) (= |#NULL.offset| 0))))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 367.69 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.9 MB in the beginning and 177.2 MB in the end (delta: -89.3 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.18 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 174.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 290.15 ms. Allocated memory is still 200.3 MB. Free memory was 174.9 MB in the beginning and 161.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1072.29 ms. Allocated memory is still 200.3 MB. Free memory was 160.5 MB in the beginning and 90.6 MB in the end (delta: 69.9 MB). Peak memory consumption was 69.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...