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/array-industry-pattern/array_of_struct_ptr_cond_init.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-29 23:38:44,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-29 23:38:44,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-29 23:38:44,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-29 23:38:44,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-29 23:38:44,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-29 23:38:44,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-29 23:38:44,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-29 23:38:44,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-29 23:38:44,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-29 23:38:44,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-29 23:38:44,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-29 23:38:44,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-29 23:38:44,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-29 23:38:44,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-29 23:38:44,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-29 23:38:44,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-29 23:38:44,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-29 23:38:44,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-29 23:38:44,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-29 23:38:44,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-29 23:38:44,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-29 23:38:44,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-29 23:38:44,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-29 23:38:44,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-29 23:38:44,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-29 23:38:44,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-29 23:38:44,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-29 23:38:44,622 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 [2019-08-29 23:38:44,650 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-29 23:38:44,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-29 23:38:44,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-29 23:38:44,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-29 23:38:44,654 INFO L138 SettingsManager]: * Use SBE=true [2019-08-29 23:38:44,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-29 23:38:44,654 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-29 23:38:44,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-29 23:38:44,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-29 23:38:44,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-29 23:38:44,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-29 23:38:44,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-29 23:38:44,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-29 23:38:44,657 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-29 23:38:44,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-29 23:38:44,658 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-29 23:38:44,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-29 23:38:44,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-29 23:38:44,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-29 23:38:44,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-29 23:38:44,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-29 23:38:44,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-29 23:38:44,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-29 23:38:44,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-29 23:38:44,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-29 23:38:44,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-29 23:38:44,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-29 23:38:44,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-29 23:38:44,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-29 23:38:44,718 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-29 23:38:44,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-29 23:38:44,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-29 23:38:44,743 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-29 23:38:44,743 INFO L275 PluginConnector]: CDTParser initialized [2019-08-29 23:38:44,744 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_cond_init.i [2019-08-29 23:38:44,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db604e935/70c333a247d64120a6e9401753f3ba21/FLAG790e8e115 [2019-08-29 23:38:45,261 INFO L306 CDTParser]: Found 1 translation units. [2019-08-29 23:38:45,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-industry-pattern/array_of_struct_ptr_cond_init.i [2019-08-29 23:38:45,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db604e935/70c333a247d64120a6e9401753f3ba21/FLAG790e8e115 [2019-08-29 23:38:45,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db604e935/70c333a247d64120a6e9401753f3ba21 [2019-08-29 23:38:45,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-29 23:38:45,619 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-29 23:38:45,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-29 23:38:45,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-29 23:38:45,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-29 23:38:45,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 11:38:45" (1/1) ... [2019-08-29 23:38:45,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3212ce81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:38:45, skipping insertion in model container [2019-08-29 23:38:45,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 11:38:45" (1/1) ... [2019-08-29 23:38:45,635 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-29 23:38:45,651 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-29 23:38:45,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-29 23:38:45,863 INFO L188 MainTranslator]: Completed pre-run [2019-08-29 23:38:45,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-29 23:38:45,987 INFO L192 MainTranslator]: Completed translation [2019-08-29 23:38:45,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:38:45 WrapperNode [2019-08-29 23:38:45,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-29 23:38:45,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-29 23:38:45,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-29 23:38:45,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-29 23:38:45,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:38:45" (1/1) ... [2019-08-29 23:38:45,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:38:45" (1/1) ... [2019-08-29 23:38:46,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:38:45" (1/1) ... [2019-08-29 23:38:46,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:38:45" (1/1) ... [2019-08-29 23:38:46,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:38:45" (1/1) ... [2019-08-29 23:38:46,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:38:45" (1/1) ... [2019-08-29 23:38:46,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:38:45" (1/1) ... [2019-08-29 23:38:46,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-29 23:38:46,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-29 23:38:46,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-29 23:38:46,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-29 23:38:46,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 11:38:45" (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 [2019-08-29 23:38:46,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-29 23:38:46,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-29 23:38:46,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-29 23:38:46,091 INFO L138 BoogieDeclarations]: Found implementation of procedure user_read [2019-08-29 23:38:46,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-29 23:38:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-29 23:38:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-29 23:38:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-29 23:38:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-29 23:38:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure user_read [2019-08-29 23:38:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-29 23:38:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-29 23:38:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-29 23:38:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-29 23:38:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-29 23:38:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-29 23:38:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-29 23:38:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-29 23:38:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-29 23:38:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-29 23:38:46,424 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-29 23:38:46,425 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-29 23:38:46,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 11:38:46 BoogieIcfgContainer [2019-08-29 23:38:46,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-29 23:38:46,426 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-29 23:38:46,426 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-29 23:38:46,427 INFO L275 PluginConnector]: Sifa initialized [2019-08-29 23:38:46,428 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 11:38:46" (1/1) ... [2019-08-29 23:38:46,468 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-29 23:38:46,469 INFO L169 IcfgInterpreter]: Building call graph [2019-08-29 23:38:46,481 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-29 23:38:46,492 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-29 23:38:46,493 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-29 23:38:46,584 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_11|], 3=[|v_#valid_12|]} [2019-08-29 23:38:46,614 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2019-08-29 23:38:46,614 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-29 23:38:46,681 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-29 23:38:46,697 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:46,709 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 14 [2019-08-29 23:38:46,710 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-29 23:38:46,782 INFO L567 ElimStorePlain]: treesize reduction 4, result has 91.3 percent of original size [2019-08-29 23:38:46,790 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 treesize of output 6 [2019-08-29 23:38:46,791 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-29 23:38:46,816 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-29 23:38:46,823 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 treesize of output 6 [2019-08-29 23:38:46,823 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-29 23:38:46,850 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-29 23:38:46,851 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-29 23:38:46,852 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:54, output treesize:40 [2019-08-29 23:38:46,887 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 45 for LOIs [2019-08-29 23:38:46,954 INFO L392 ElimStorePlain]: Different costs {1=[|v_old(#length)_BEFORE_CALL_1|], 6=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-29 23:38:46,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:46,979 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-08-29 23:38:46,981 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-29 23:38:47,100 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-08-29 23:38:47,100 INFO L567 ElimStorePlain]: treesize reduction 15, result has 81.5 percent of original size [2019-08-29 23:38:47,114 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:47,122 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-29 23:38:47,123 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 33 [2019-08-29 23:38:47,124 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-29 23:38:47,195 INFO L567 ElimStorePlain]: treesize reduction 14, result has 80.0 percent of original size [2019-08-29 23:38:47,197 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-29 23:38:47,198 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:82, output treesize:56 [2019-08-29 23:38:47,276 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-29 23:38:47,605 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 89 [2019-08-29 23:38:47,606 INFO L567 ElimStorePlain]: treesize reduction 18, result has 90.4 percent of original size [2019-08-29 23:38:47,612 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-29 23:38:47,731 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-08-29 23:38:47,731 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-29 23:38:47,733 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-29 23:38:47,733 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:201, output treesize:155 [2019-08-29 23:38:47,747 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-29 23:38:48,034 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-08-29 23:38:48,034 INFO L567 ElimStorePlain]: treesize reduction 18, result has 89.7 percent of original size [2019-08-29 23:38:48,040 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-29 23:38:48,147 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-08-29 23:38:48,147 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-29 23:38:48,149 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-08-29 23:38:48,149 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:189, output treesize:143 [2019-08-29 23:38:48,153 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-29 23:38:48,181 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-29 23:38:48,203 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-29 23:38:49,176 WARN L188 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-08-29 23:38:49,177 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-29 23:38:49,181 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2019-08-29 23:38:49,181 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:445, output treesize:457 [2019-08-29 23:38:49,245 INFO L392 ElimStorePlain]: Different costs {2=[v_prenex_2], 3=[|v_old(#length)_BEFORE_CALL_2|], 15=[v_prenex_7], 28=[|v_old(#valid)_BEFORE_CALL_2|]} [2019-08-29 23:38:49,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:49,299 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:49,306 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:49,364 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 207 [2019-08-29 23:38:49,365 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-29 23:38:50,401 WARN L188 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 162 [2019-08-29 23:38:50,402 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-29 23:38:50,453 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:50,467 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:50,481 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:50,492 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:50,501 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:50,509 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:50,629 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 215 treesize of output 221 [2019-08-29 23:38:50,632 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-29 23:38:51,548 WARN L188 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-08-29 23:38:51,548 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-29 23:38:51,611 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:51,636 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:51,733 INFO L341 Elim1Store]: treesize reduction 14, result has 61.1 percent of original size [2019-08-29 23:38:51,734 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 205 treesize of output 224 [2019-08-29 23:38:51,736 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-29 23:38:53,534 WARN L188 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 163 DAG size of output: 155 [2019-08-29 23:38:53,535 INFO L567 ElimStorePlain]: treesize reduction 20, result has 95.3 percent of original size [2019-08-29 23:38:53,550 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:53,574 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:53,595 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:53,603 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:53,627 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:53,632 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:53,648 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-29 23:38:53,755 INFO L341 Elim1Store]: treesize reduction 14, result has 61.1 percent of original size [2019-08-29 23:38:53,756 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 213 treesize of output 232 [2019-08-29 23:38:53,764 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-29 23:38:55,385 WARN L188 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 150 DAG size of output: 142 [2019-08-29 23:38:55,386 INFO L567 ElimStorePlain]: treesize reduction 16, result has 95.9 percent of original size [2019-08-29 23:38:55,388 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:146) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.downgradeDimensionsIfNecessary(ArrayOccurrenceAnalysis.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:132) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.constructQuantifiedFormula(SymbolicTools.java:273) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:262) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostconditionCall(PredicateTransformer.java:157) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.postCall(SymbolicTools.java:127) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:80) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-08-29 23:38:55,393 INFO L168 Benchmark]: Toolchain (without parser) took 9773.81 ms. Allocated memory was 141.6 MB in the beginning and 258.5 MB in the end (delta: 116.9 MB). Free memory was 88.1 MB in the beginning and 181.0 MB in the end (delta: -92.8 MB). Peak memory consumption was 114.9 MB. Max. memory is 7.1 GB. [2019-08-29 23:38:55,394 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-29 23:38:55,395 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.09 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 87.9 MB in the beginning and 178.3 MB in the end (delta: -90.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-08-29 23:38:55,396 INFO L168 Benchmark]: Boogie Preprocessor took 38.36 ms. Allocated memory is still 200.8 MB. Free memory was 178.3 MB in the beginning and 176.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-29 23:38:55,396 INFO L168 Benchmark]: RCFGBuilder took 398.83 ms. Allocated memory is still 200.8 MB. Free memory was 176.6 MB in the beginning and 158.7 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2019-08-29 23:38:55,397 INFO L168 Benchmark]: Sifa took 8964.99 ms. Allocated memory was 200.8 MB in the beginning and 258.5 MB in the end (delta: 57.7 MB). Free memory was 158.7 MB in the beginning and 181.0 MB in the end (delta: -22.3 MB). Peak memory consumption was 126.3 MB. Max. memory is 7.1 GB. [2019-08-29 23:38:55,401 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 368.09 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 87.9 MB in the beginning and 178.3 MB in the end (delta: -90.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.36 ms. Allocated memory is still 200.8 MB. Free memory was 178.3 MB in the beginning and 176.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 398.83 ms. Allocated memory is still 200.8 MB. Free memory was 176.6 MB in the beginning and 158.7 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. * Sifa took 8964.99 ms. Allocated memory was 200.8 MB in the beginning and 258.5 MB in the end (delta: 57.7 MB). Free memory was 158.7 MB in the beginning and 181.0 MB in the end (delta: -22.3 MB). Peak memory consumption was 126.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.sifa: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...