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 0.1.24-584d7b9 [2019-08-31 00:39:46,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 00:39:46,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 00:39:46,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 00:39:46,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 00:39:46,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 00:39:46,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 00:39:46,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 00:39:46,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 00:39:46,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 00:39:46,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 00:39:46,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 00:39:46,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 00:39:46,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 00:39:46,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 00:39:46,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 00:39:46,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 00:39:46,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 00:39:46,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 00:39:46,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 00:39:46,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 00:39:46,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 00:39:46,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 00:39:46,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 00:39:46,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 00:39:46,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 00:39:46,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 00:39:46,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 00:39:46,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 00:39:46,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 00:39:46,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 00:39:46,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 00:39:46,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 00:39:46,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 00:39:46,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 00:39:46,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 00:39:46,649 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 [2019-08-31 00:39:46,663 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 00:39:46,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 00:39:46,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 00:39:46,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 00:39:46,665 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 00:39:46,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 00:39:46,665 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 00:39:46,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 00:39:46,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 00:39:46,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 00:39:46,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 00:39:46,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 00:39:46,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 00:39:46,666 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 00:39:46,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 00:39:46,667 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 00:39:46,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 00:39:46,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 00:39:46,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 00:39:46,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 00:39:46,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 00:39:46,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 00:39:46,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 00:39:46,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 00:39:46,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 00:39:46,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 00:39:46,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 00:39:46,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 00:39:46,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 00:39:46,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 00:39:46,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 00:39:46,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 00:39:46,718 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 00:39:46,719 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 00:39:46,719 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_union_tight.c [2019-08-31 00:39:46,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0d2b6485/fc449c0a7a024b8bb3727261ed610cd8/FLAG34268eef2 [2019-08-31 00:39:47,237 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 00:39:47,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_union_tight.c [2019-08-31 00:39:47,244 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0d2b6485/fc449c0a7a024b8bb3727261ed610cd8/FLAG34268eef2 [2019-08-31 00:39:47,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0d2b6485/fc449c0a7a024b8bb3727261ed610cd8 [2019-08-31 00:39:47,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 00:39:47,672 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 00:39:47,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 00:39:47,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 00:39:47,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 00:39:47,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:39:47" (1/1) ... [2019-08-31 00:39:47,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45276d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:47, skipping insertion in model container [2019-08-31 00:39:47,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:39:47" (1/1) ... [2019-08-31 00:39:47,687 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 00:39:47,700 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 00:39:47,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:39:47,859 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 00:39:47,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:39:47,984 INFO L192 MainTranslator]: Completed translation [2019-08-31 00:39:47,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:47 WrapperNode [2019-08-31 00:39:47,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 00:39:47,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 00:39:47,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 00:39:47,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 00:39:47,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:47" (1/1) ... [2019-08-31 00:39:47,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:47" (1/1) ... [2019-08-31 00:39:48,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:47" (1/1) ... [2019-08-31 00:39:48,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:47" (1/1) ... [2019-08-31 00:39:48,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:47" (1/1) ... [2019-08-31 00:39:48,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:47" (1/1) ... [2019-08-31 00:39:48,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:47" (1/1) ... [2019-08-31 00:39:48,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 00:39:48,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 00:39:48,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 00:39:48,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 00:39:48,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:39:47" (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 [2019-08-31 00:39:48,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 00:39:48,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 00:39:48,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 00:39:48,081 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2019-08-31 00:39:48,081 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 00:39:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 00:39:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 00:39:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 00:39:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2019-08-31 00:39:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 00:39:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 00:39:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 00:39:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-31 00:39:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 00:39:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 00:39:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 00:39:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 00:39:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-31 00:39:48,316 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 00:39:48,320 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 00:39:48,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:39:48 BoogieIcfgContainer [2019-08-31 00:39:48,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 00:39:48,325 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 00:39:48,325 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 00:39:48,325 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 00:39:48,327 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:39:48" (1/1) ... [2019-08-31 00:39:48,399 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 00:39:48,399 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 00:39:48,407 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 00:39:48,425 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 00:39:48,427 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 00:39:48,525 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 [2019-08-31 00:39:48,526 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:48,541 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:48,541 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 00:39:48,541 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 00:39:48,556 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-08-31 00:39:48,596 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_8|], 6=[|v_#valid_15|]} [2019-08-31 00:39:48,626 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 00:39:48,629 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 [2019-08-31 00:39:48,629 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:48,752 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-31 00:39:48,753 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:48,816 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-31 00:39:48,816 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 [2019-08-31 00:39:48,819 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:48,942 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-08-31 00:39:48,943 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:48,949 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|]} [2019-08-31 00:39:48,962 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 00:39:49,055 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:49,068 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 [2019-08-31 00:39:49,069 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:49,144 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:49,158 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 [2019-08-31 00:39:49,159 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:49,227 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:49,231 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 00:39:49,288 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:49,298 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 [2019-08-31 00:39:49,299 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 00:39:49,352 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 00:39:49,362 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. [2019-08-31 00:39:49,364 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 10 variables, input treesize:238, output treesize:63 [2019-08-31 00:39:49,418 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 51 for LOIs [2019-08-31 00:39:49,425 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 00:39:49,426 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 00:39:49,428 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 29#(and (exists ((|v_cast_~#y~0.base_3| Int) (|v_cast_~#x~0.base_3| Int)) (or (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| |v_cast_~#x~0.base_3|) 0) 1127219200) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= (select |#length| |v_cast_~#y~0.base_3|) 8) (= (select |#valid| |v_cast_~#y~0.base_3|) 0) (<= 0 |#NULL.base|) (= (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)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 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) (= (select (select |#memory_int| |v_cast_~#x~0.base_3|) 0) 1127219200) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= (select |#length| |v_cast_~#y~0.base_3|) 8) (= (select |#valid| |v_cast_~#y~0.base_3|) 0) (<= 0 |#NULL.base|) (= (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)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 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)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-31 00:39:49,451 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 00:39:49,451 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 00:39:49,453 INFO L168 Benchmark]: Toolchain (without parser) took 1781.19 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 89.0 MB in the beginning and 88.4 MB in the end (delta: 578.9 kB). Peak memory consumption was 67.2 MB. Max. memory is 7.1 GB. [2019-08-31 00:39:49,454 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 00:39:49,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.18 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 88.7 MB in the beginning and 176.0 MB in the end (delta: -87.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-08-31 00:39:49,456 INFO L168 Benchmark]: Boogie Preprocessor took 37.20 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 174.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-31 00:39:49,457 INFO L168 Benchmark]: RCFGBuilder took 301.79 ms. Allocated memory is still 199.2 MB. Free memory was 173.8 MB in the beginning and 159.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-08-31 00:39:49,458 INFO L168 Benchmark]: Sifa took 1126.61 ms. Allocated memory is still 199.2 MB. Free memory was 159.4 MB in the beginning and 88.4 MB in the end (delta: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 7.1 GB. [2019-08-31 00:39:49,462 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 312.18 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 88.7 MB in the beginning and 176.0 MB in the end (delta: -87.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.20 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 174.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 301.79 ms. Allocated memory is still 199.2 MB. Free memory was 173.8 MB in the beginning and 159.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Sifa took 1126.61 ms. Allocated memory is still 199.2 MB. Free memory was 159.4 MB in the beginning and 88.4 MB in the end (delta: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 1.0s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 13 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 9 TOOLS_POST_APPLICATIONS, 0.9s TOOLS_POST_TIME, 4 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 2 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.9s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 13 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 3 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 0 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 2 CALL_SUMMARIZER_APPLICATIONS, 2 CALL_SUMMARIZER_CACHE_MISSES, 0.9s CALL_SUMMARIZER_OVERALL_TIME, 0.9s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 47 DAG_COMPRESSION_PROCESSED_NODES, 32 DAG_COMPRESSION_RETAINED_NODES - 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 29#(and (exists ((|v_cast_~#y~0.base_3| Int) (|v_cast_~#x~0.base_3| Int)) (or (and (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| |v_cast_~#x~0.base_3|) 0) 1127219200) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= (select |#length| |v_cast_~#y~0.base_3|) 8) (= (select |#valid| |v_cast_~#y~0.base_3|) 0) (<= 0 |#NULL.base|) (= (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)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 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) (= (select (select |#memory_int| |v_cast_~#x~0.base_3|) 0) 1127219200) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= (select |#length| |v_cast_~#y~0.base_3|) 8) (= (select |#valid| |v_cast_~#y~0.base_3|) 0) (<= 0 |#NULL.base|) (= (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)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 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)))) (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...