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/inv_Newton-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 01:01:11,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 01:01:11,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 01:01:11,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 01:01:11,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 01:01:11,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 01:01:11,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 01:01:11,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 01:01:11,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 01:01:11,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 01:01:11,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 01:01:11,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 01:01:11,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 01:01:11,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 01:01:11,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 01:01:11,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 01:01:11,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 01:01:11,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 01:01:11,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 01:01:11,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 01:01:11,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 01:01:11,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 01:01:11,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 01:01:11,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 01:01:11,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 01:01:11,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 01:01:11,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 01:01:11,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 01:01:11,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 01:01:11,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 01:01:11,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 01:01:11,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 01:01:11,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 01:01:11,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 01:01:11,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 01:01:11,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 01:01:11,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 01:01:11,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 01:01:11,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 01:01:11,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 01:01:11,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 01:01:11,596 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 01:01:11,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 01:01:11,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 01:01:11,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 01:01:11,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 01:01:11,614 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 01:01:11,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 01:01:11,615 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 01:01:11,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 01:01:11,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 01:01:11,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 01:01:11,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 01:01:11,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 01:01:11,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 01:01:11,616 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 01:01:11,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 01:01:11,617 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 01:01:11,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 01:01:11,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 01:01:11,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 01:01:11,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 01:01:11,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 01:01:11,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 01:01:11,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 01:01:11,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 01:01:11,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 01:01:11,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 01:01:11,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 01:01:11,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 01:01:11,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 01:01:11,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 01:01:11,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 01:01:11,683 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 01:01:11,684 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 01:01:11,685 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 01:01:11,687 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_Newton-2.c [2019-08-31 01:01:11,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3af6d3b/833c41a0464b41bba809c82c52011752/FLAG4f02637b1 [2019-08-31 01:01:12,183 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 01:01:12,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_Newton-2.c [2019-08-31 01:01:12,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3af6d3b/833c41a0464b41bba809c82c52011752/FLAG4f02637b1 [2019-08-31 01:01:12,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3af6d3b/833c41a0464b41bba809c82c52011752 [2019-08-31 01:01:12,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 01:01:12,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 01:01:12,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 01:01:12,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 01:01:12,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 01:01:12,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:01:12" (1/1) ... [2019-08-31 01:01:12,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e6d258a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:12, skipping insertion in model container [2019-08-31 01:01:12,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:01:12" (1/1) ... [2019-08-31 01:01:12,614 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 01:01:12,630 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 01:01:12,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 01:01:12,790 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 01:01:12,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 01:01:12,916 INFO L192 MainTranslator]: Completed translation [2019-08-31 01:01:12,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:12 WrapperNode [2019-08-31 01:01:12,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 01:01:12,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 01:01:12,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 01:01:12,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 01:01:12,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:12" (1/1) ... [2019-08-31 01:01:12,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:12" (1/1) ... [2019-08-31 01:01:12,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:12" (1/1) ... [2019-08-31 01:01:12,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:12" (1/1) ... [2019-08-31 01:01:12,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:12" (1/1) ... [2019-08-31 01:01:12,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:12" (1/1) ... [2019-08-31 01:01:12,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:12" (1/1) ... [2019-08-31 01:01:12,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 01:01:12,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 01:01:12,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 01:01:12,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 01:01:12,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:01:12" (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 01:01:13,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 01:01:13,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 01:01:13,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 01:01:13,016 INFO L138 BoogieDeclarations]: Found implementation of procedure inv [2019-08-31 01:01:13,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 01:01:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 01:01:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-31 01:01:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 01:01:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 01:01:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure inv [2019-08-31 01:01:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 01:01:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-31 01:01:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 01:01:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 01:01:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-31 01:01:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 01:01:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 01:01:13,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 01:01:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 01:01:13,334 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 01:01:13,335 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 01:01:13,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:01:13 BoogieIcfgContainer [2019-08-31 01:01:13,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 01:01:13,337 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 01:01:13,337 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 01:01:13,337 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 01:01:13,338 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:01:13" (1/1) ... [2019-08-31 01:01:13,373 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 01:01:13,373 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 01:01:13,380 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 01:01:13,388 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 01:01:13,390 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 01:01:13,476 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 01:01:13,477 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 01:01:13,501 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 01:01:13,502 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 01:01:13,502 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 01:01:13,519 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 24 for LOIs [2019-08-31 01:01:13,556 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_8|], 6=[|v_#valid_16|]} [2019-08-31 01:01:13,583 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 01:01:13,588 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 01:01:13,589 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 01:01:13,734 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-08-31 01:01:13,735 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 01:01:13,798 INFO L341 Elim1Store]: treesize reduction 14, result has 50.0 percent of original size [2019-08-31 01:01:13,799 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 29 [2019-08-31 01:01:13,801 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 01:01:13,949 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-08-31 01:01:13,950 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 01:01:13,960 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_real_12|, |v_#memory_int_14|], 2=[|v_#memory_real_9|, |v_#memory_int_11|, |v_#memory_int_9|, |v_#memory_int_10|]} [2019-08-31 01:01:13,981 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 31 treesize of output 7 [2019-08-31 01:01:13,982 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 01:01:14,083 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-08-31 01:01:14,083 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 01:01:14,106 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 01:01:14,106 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 01:01:14,190 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 01:01:14,204 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 14 [2019-08-31 01:01:14,205 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 01:01:14,289 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 01:01:14,299 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 01:01:14,365 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 01:01:14,370 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 01:01:14,426 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 01:01:14,435 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 15 [2019-08-31 01:01:14,436 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-31 01:01:14,485 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 01:01:14,486 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, 6 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 01:01:14,487 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 11 variables, input treesize:174, output treesize:58 [2019-08-31 01:01:14,507 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 01:01:14,532 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 01:01:14,550 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 01:01:14,551 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 01:01:14,567 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 0 case distinctions, treesize of input 73 treesize of output 70 [2019-08-31 01:01:14,569 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 01:01:14,575 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-31 01:01:14,576 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 01:01:14,648 INFO L567 ElimStorePlain]: treesize reduction 6, result has 90.6 percent of original size [2019-08-31 01:01:14,650 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-08-31 01:01:14,651 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:223, output treesize:58 [2019-08-31 01:01:14,664 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 39 for LOIs [2019-08-31 01:01:14,669 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 01:01:14,670 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 01:01:14,673 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 50#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((|v_inv_~#A_u~0.base_4| Int) (|v_inv_~#xi_u~0.base_4| Int)) (or (and (= 8 (select |#length| |v_inv_~#A_u~0.base_4|)) (= (select |#length| |v_inv_~#xi_u~0.base_4|) 8) (= |__VERIFIER_assert_#in~cond| 0) (not (= |v_inv_~#A_u~0.base_4| 0)) (not (= 0 |v_inv_~#xi_u~0.base_4|)) (< |v_inv_~#xi_u~0.base_4| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (< |v_inv_~#A_u~0.base_4| |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= (select |#valid| |v_inv_~#A_u~0.base_4|) 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| |v_inv_~#xi_u~0.base_4|)) (not (= |v_inv_~#A_u~0.base_4| |v_inv_~#xi_u~0.base_4|)) (= |#NULL.offset| 0)) (and (= 8 (select |#length| |v_inv_~#A_u~0.base_4|)) (= (select |#length| |v_inv_~#xi_u~0.base_4|) 8) (= |__VERIFIER_assert_#in~cond| 1) (not (= |v_inv_~#A_u~0.base_4| 0)) (not (= 0 |v_inv_~#xi_u~0.base_4|)) (< |v_inv_~#xi_u~0.base_4| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (< |v_inv_~#A_u~0.base_4| |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= (select |#valid| |v_inv_~#A_u~0.base_4|) 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| |v_inv_~#xi_u~0.base_4|)) (not (= |v_inv_~#A_u~0.base_4| |v_inv_~#xi_u~0.base_4|)) (= |#NULL.offset| 0)))) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-31 01:01:14,687 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 01:01:14,687 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 01:01:14,689 INFO L168 Benchmark]: Toolchain (without parser) took 2089.69 ms. Allocated memory was 132.6 MB in the beginning and 223.3 MB in the end (delta: 90.7 MB). Free memory was 88.8 MB in the beginning and 157.4 MB in the end (delta: -68.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-08-31 01:01:14,690 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 01:01:14,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.61 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 88.6 MB in the beginning and 176.5 MB in the end (delta: -87.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-08-31 01:01:14,692 INFO L168 Benchmark]: Boogie Preprocessor took 39.89 ms. Allocated memory is still 199.8 MB. Free memory was 176.5 MB in the beginning and 174.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-31 01:01:14,692 INFO L168 Benchmark]: RCFGBuilder took 379.53 ms. Allocated memory is still 199.8 MB. Free memory was 174.2 MB in the beginning and 158.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-31 01:01:14,693 INFO L168 Benchmark]: Sifa took 1350.37 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 158.4 MB in the beginning and 157.4 MB in the end (delta: 978.1 kB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-08-31 01:01:14,697 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 316.61 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 88.6 MB in the beginning and 176.5 MB in the end (delta: -87.9 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.89 ms. Allocated memory is still 199.8 MB. Free memory was 176.5 MB in the beginning and 174.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 379.53 ms. Allocated memory is still 199.8 MB. Free memory was 174.2 MB in the beginning and 158.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * Sifa took 1350.37 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 158.4 MB in the beginning and 157.4 MB in the end (delta: 978.1 kB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 1.3s OVERALL_TIME, 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 19 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 14 TOOLS_POST_APPLICATIONS, 1.2s 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, 1.2s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 21 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 6 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 1 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 2 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 1 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 1 LOOP_SUMMARIZER_APPLICATIONS, 1 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 2 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 2 CALL_SUMMARIZER_APPLICATIONS, 2 CALL_SUMMARIZER_CACHE_MISSES, 1.2s CALL_SUMMARIZER_OVERALL_TIME, 1.2s 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, 55 DAG_COMPRESSION_PROCESSED_NODES, 37 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 18]: 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 50#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (exists ((|v_inv_~#A_u~0.base_4| Int) (|v_inv_~#xi_u~0.base_4| Int)) (or (and (= 8 (select |#length| |v_inv_~#A_u~0.base_4|)) (= (select |#length| |v_inv_~#xi_u~0.base_4|) 8) (= |__VERIFIER_assert_#in~cond| 0) (not (= |v_inv_~#A_u~0.base_4| 0)) (not (= 0 |v_inv_~#xi_u~0.base_4|)) (< |v_inv_~#xi_u~0.base_4| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (< |v_inv_~#A_u~0.base_4| |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= (select |#valid| |v_inv_~#A_u~0.base_4|) 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| |v_inv_~#xi_u~0.base_4|)) (not (= |v_inv_~#A_u~0.base_4| |v_inv_~#xi_u~0.base_4|)) (= |#NULL.offset| 0)) (and (= 8 (select |#length| |v_inv_~#A_u~0.base_4|)) (= (select |#length| |v_inv_~#xi_u~0.base_4|) 8) (= |__VERIFIER_assert_#in~cond| 1) (not (= |v_inv_~#A_u~0.base_4| 0)) (not (= 0 |v_inv_~#xi_u~0.base_4|)) (< |v_inv_~#xi_u~0.base_4| |#StackHeapBarrier|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (< |v_inv_~#A_u~0.base_4| |#StackHeapBarrier|) (<= 0 |#NULL.base|) (= (select |#valid| |v_inv_~#A_u~0.base_4|) 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |#valid| |v_inv_~#xi_u~0.base_4|)) (not (= |v_inv_~#A_u~0.base_4| |v_inv_~#xi_u~0.base_4|)) (= |#NULL.offset| 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...