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/loops/invert_string-3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:57:47,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:57:47,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:57:47,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:57:47,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:57:47,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:57:47,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:57:47,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:57:47,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:57:47,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:57:47,683 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:57:47,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:57:47,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:57:47,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:57:47,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:57:47,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:57:47,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:57:47,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:57:47,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:57:47,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:57:47,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:57:47,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:57:47,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:57:47,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:57:47,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:57:47,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:57:47,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:57:47,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:57:47,712 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 [2019-08-22 21:57:47,737 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:57:47,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:57:47,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:57:47,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:57:47,739 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:57:47,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:57:47,740 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:57:47,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:57:47,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:57:47,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:57:47,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:57:47,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:57:47,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:57:47,741 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:57:47,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:57:47,741 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:57:47,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:57:47,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:57:47,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:57:47,742 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:57:47,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:57:47,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:57:47,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:57:47,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:57:47,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:57:47,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:57:47,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:57:47,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:57:47,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:57:47,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:57:47,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:57:47,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:57:47,799 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:57:47,799 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:57:47,800 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/invert_string-3.c [2019-08-22 21:57:47,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11dcffce/be62f28ac7fd49ee8e829d5799b43216/FLAG4b1977c78 [2019-08-22 21:57:48,332 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:57:48,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/invert_string-3.c [2019-08-22 21:57:48,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11dcffce/be62f28ac7fd49ee8e829d5799b43216/FLAG4b1977c78 [2019-08-22 21:57:48,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11dcffce/be62f28ac7fd49ee8e829d5799b43216 [2019-08-22 21:57:48,715 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:57:48,717 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:57:48,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:57:48,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:57:48,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:57:48,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:57:48" (1/1) ... [2019-08-22 21:57:48,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642e5766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:48, skipping insertion in model container [2019-08-22 21:57:48,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:57:48" (1/1) ... [2019-08-22 21:57:48,733 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:57:48,753 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:57:48,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:57:48,943 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:57:48,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:57:49,001 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:57:49,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:49 WrapperNode [2019-08-22 21:57:49,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:57:49,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:57:49,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:57:49,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:57:49,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:49" (1/1) ... [2019-08-22 21:57:49,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:49" (1/1) ... [2019-08-22 21:57:49,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:49" (1/1) ... [2019-08-22 21:57:49,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:49" (1/1) ... [2019-08-22 21:57:49,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:49" (1/1) ... [2019-08-22 21:57:49,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:49" (1/1) ... [2019-08-22 21:57:49,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:49" (1/1) ... [2019-08-22 21:57:49,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:57:49,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:57:49,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:57:49,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:57:49,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:57:49" (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 [2019-08-22 21:57:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:57:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:57:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 21:57:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:57:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:57:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 21:57:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-22 21:57:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:57:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:57:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:57:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:57:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:57:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:57:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:57:49,432 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:57:49,432 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-08-22 21:57:49,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:57:49 BoogieIcfgContainer [2019-08-22 21:57:49,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:57:49,436 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:57:49,436 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:57:49,437 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:57:49,438 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:57:49" (1/1) ... [2019-08-22 21:57:49,455 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:57:49,457 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:57:49,463 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:57:49,470 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:57:49,472 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:57:49,557 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 [2019-08-22 21:57:49,558 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:49,590 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:57:49,591 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:57:49,592 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:57:49,631 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 21 [2019-08-22 21:57:49,834 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 13 treesize of output 9 [2019-08-22 21:57:49,835 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:49,865 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:57:49,867 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:57:49,868 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:28 [2019-08-22 21:57:49,898 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:49,960 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 43 treesize of output 39 [2019-08-22 21:57:49,961 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:49,988 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 47 treesize of output 43 [2019-08-22 21:57:49,989 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:50,212 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 34 [2019-08-22 21:57:50,212 INFO L567 ElimStorePlain]: treesize reduction 522, result has 13.7 percent of original size [2019-08-22 21:57:50,214 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-08-22 21:57:50,217 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:613, output treesize:83 [2019-08-22 21:57:50,250 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 21:57:50,256 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 21:57:50,281 INFO L341 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2019-08-22 21:57:50,282 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 53 [2019-08-22 21:57:50,283 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:50,292 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:57:50,293 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:50,351 INFO L567 ElimStorePlain]: treesize reduction 3, result has 94.7 percent of original size [2019-08-22 21:57:50,352 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:57:50,352 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:133, output treesize:54 [2019-08-22 21:57:50,361 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:50,380 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 21:57:50,380 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:50,390 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:50,391 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:57:50,526 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-08-22 21:57:50,526 INFO L341 Elim1Store]: treesize reduction 36, result has 72.3 percent of original size [2019-08-22 21:57:50,527 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 4 case distinctions, treesize of input 80 treesize of output 152 [2019-08-22 21:57:50,530 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:50,544 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-22 21:57:50,566 INFO L341 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2019-08-22 21:57:50,567 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 53 [2019-08-22 21:57:50,568 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:50,715 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 53 [2019-08-22 21:57:50,716 INFO L567 ElimStorePlain]: treesize reduction 80, result has 60.8 percent of original size [2019-08-22 21:57:50,717 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-08-22 21:57:50,719 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:213, output treesize:124 [2019-08-22 21:57:50,751 INFO L341 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2019-08-22 21:57:50,751 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2019-08-22 21:57:50,752 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:57:50,757 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:57:50,758 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:57:50,758 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2019-08-22 21:57:50,768 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:50,781 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:50,798 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:50,825 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:50,878 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:50,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:51,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:51,128 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:51,323 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:51,544 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:51,867 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:52,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:53,420 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:54,582 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:56,180 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:57:58,210 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:58:01,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:58:06,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:58:12,891 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:58:24,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:58:42,416 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:59:13,347 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms