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/ldv-regression/test06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:27:00,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:27:00,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:27:00,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:27:00,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:27:00,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:27:00,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:27:00,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:27:00,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:27:00,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:27:00,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:27:00,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:27:00,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:27:00,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:27:00,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:27:00,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:27:00,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:27:00,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:27:00,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:27:00,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:27:00,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:27:00,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:27:00,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:27:00,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:27:00,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 03:27:00,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:27:00,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:27:00,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:27:00,205 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 03:27:00,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:27:00,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:27:00,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:27:00,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:27:00,222 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:27:00,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:27:00,223 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:27:00,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:27:00,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:27:00,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:27:00,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:27:00,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:27:00,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:27:00,224 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:27:00,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:27:00,225 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:27:00,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:27:00,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:27:00,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:27:00,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:27:00,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:27:00,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:27:00,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:27:00,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:27:00,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:27:00,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:27:00,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:27:00,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:27:00,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:27:00,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:27:00,278 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:27:00,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:27:00,283 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:27:00,284 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:27:00,285 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test06.c [2019-08-31 03:27:00,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c68265998/4fe3ecc99ef546ff95dce4db8af19d12/FLAG5142f6a29 [2019-08-31 03:27:00,849 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:27:00,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test06.c [2019-08-31 03:27:00,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c68265998/4fe3ecc99ef546ff95dce4db8af19d12/FLAG5142f6a29 [2019-08-31 03:27:01,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c68265998/4fe3ecc99ef546ff95dce4db8af19d12 [2019-08-31 03:27:01,199 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:27:01,201 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:27:01,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:27:01,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:27:01,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:27:01,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:27:01" (1/1) ... [2019-08-31 03:27:01,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40db37d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:01, skipping insertion in model container [2019-08-31 03:27:01,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:27:01" (1/1) ... [2019-08-31 03:27:01,217 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:27:01,233 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:27:01,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:27:01,469 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:27:01,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:27:01,510 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:27:01,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:01 WrapperNode [2019-08-31 03:27:01,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:27:01,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:27:01,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:27:01,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:27:01,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:01" (1/1) ... [2019-08-31 03:27:01,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:01" (1/1) ... [2019-08-31 03:27:01,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:01" (1/1) ... [2019-08-31 03:27:01,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:01" (1/1) ... [2019-08-31 03:27:01,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:01" (1/1) ... [2019-08-31 03:27:01,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:01" (1/1) ... [2019-08-31 03:27:01,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:01" (1/1) ... [2019-08-31 03:27:01,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:27:01,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:27:01,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:27:01,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:27:01,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:27:01" (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 03:27:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:27:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:27:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-08-31 03:27:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-31 03:27:01,747 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:27:01,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:27:01,747 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-08-31 03:27:01,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:27:01,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:27:01,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:27:01,748 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-31 03:27:01,749 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:27:01,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:27:01,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:27:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:27:01,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:27:01,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:27:02,105 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:27:02,105 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 03:27:02,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:27:02 BoogieIcfgContainer [2019-08-31 03:27:02,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:27:02,107 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:27:02,107 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:27:02,107 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:27:02,109 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:27:02" (1/1) ... [2019-08-31 03:27:02,173 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:27:02,174 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:27:02,185 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:27:02,194 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:27:02,195 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:27:02,319 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 03:27:02,320 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:02,350 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:02,351 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:27:02,351 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:27:02,368 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-08-31 03:27:02,413 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_19|, |v_#memory_$Pointer$.offset_18|, |v_#memory_$Pointer$.base_19|, |v_#memory_$Pointer$.base_18|, |v_#memory_int_20|], 4=[|v_#memory_int_19|]} [2019-08-31 03:27:02,437 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:03,698 WARN L188 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 136 DAG size of output: 133 [2019-08-31 03:27:03,699 INFO L567 ElimStorePlain]: treesize reduction 9, result has 97.5 percent of original size [2019-08-31 03:27:03,712 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:27:04,337 WARN L188 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-08-31 03:27:04,338 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:04,351 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:27:04,915 WARN L188 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-08-31 03:27:04,916 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:04,926 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:05,366 WARN L188 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-08-31 03:27:05,367 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:05,380 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:27:05,816 WARN L188 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-08-31 03:27:05,817 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:05,832 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 03:27:06,320 WARN L188 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-08-31 03:27:06,321 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:06,323 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-08-31 03:27:06,324 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:382, output treesize:507 [2019-08-31 03:27:06,362 INFO L392 ElimStorePlain]: Different costs {0=[|v_old(#length)_BEFORE_CALL_1|], 36=[|v_old(#valid)_BEFORE_CALL_1|]} [2019-08-31 03:27:06,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:06,435 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:06,448 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:06,460 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:06,470 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:06,480 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:06,488 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2019-08-31 03:27:06,489 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:07,034 WARN L188 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-31 03:27:07,034 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:07,322 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2019-08-31 03:27:07,322 INFO L341 Elim1Store]: treesize reduction 93, result has 40.8 percent of original size [2019-08-31 03:27:07,325 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 65 treesize of output 113 [2019-08-31 03:27:07,328 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:08,146 WARN L188 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 117 [2019-08-31 03:27:08,147 INFO L567 ElimStorePlain]: treesize reduction 16, result has 96.8 percent of original size [2019-08-31 03:27:08,211 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 22 [2019-08-31 03:27:08,212 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:08,709 WARN L188 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2019-08-31 03:27:08,709 INFO L567 ElimStorePlain]: treesize reduction 4, result has 99.0 percent of original size [2019-08-31 03:27:08,748 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:08,774 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 29 [2019-08-31 03:27:08,774 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:09,105 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2019-08-31 03:27:09,106 INFO L567 ElimStorePlain]: treesize reduction 4, result has 98.6 percent of original size [2019-08-31 03:27:09,122 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:09,131 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:09,148 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 22 [2019-08-31 03:27:09,148 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:09,269 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-08-31 03:27:09,270 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:09,273 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:27:09,274 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 11 variables, input treesize:510, output treesize:185 [2019-08-31 03:27:09,293 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_22|], 2=[|v_#memory_int_6|], 4=[|v_#memory_$Pointer$.offset_21|, |v_#memory_$Pointer$.base_21|]} [2019-08-31 03:27:09,303 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 15 treesize of output 1 [2019-08-31 03:27:09,303 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:09,347 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:09,370 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 11 treesize of output 7 [2019-08-31 03:27:09,371 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:09,404 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:09,471 INFO L341 Elim1Store]: treesize reduction 70, result has 30.7 percent of original size [2019-08-31 03:27:09,472 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 2 case distinctions, treesize of input 47 treesize of output 34 [2019-08-31 03:27:09,474 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:09,516 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:09,577 INFO L341 Elim1Store]: treesize reduction 70, result has 30.7 percent of original size [2019-08-31 03:27:09,578 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 2 case distinctions, treesize of input 47 treesize of output 34 [2019-08-31 03:27:09,580 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:09,620 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:09,621 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:27:09,621 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:131, output treesize:80 [2019-08-31 03:27:09,631 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:27:09,632 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:27:09,633 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:27:09,689 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:09,701 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:09,722 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:09,744 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:09,766 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:09,774 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:09,787 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:09,795 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:11,089 WARN L188 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 119 DAG size of output: 109 [2019-08-31 03:27:11,089 INFO L567 ElimStorePlain]: treesize reduction 1484, result has 36.5 percent of original size [2019-08-31 03:27:11,103 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:11,110 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:11,123 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:11,545 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-08-31 03:27:11,545 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:11,546 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-08-31 03:27:11,547 INFO L221 ElimStorePlain]: Needed 12 recursive calls to eliminate 4 variables, input treesize:3352, output treesize:471 [2019-08-31 03:27:11,549 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:27:11,563 INFO L392 ElimStorePlain]: Different costs {2=[v_prenex_1, |v_#memory_int_23|, v_prenex_2, v_prenex_3, v_prenex_4, v_prenex_5, v_prenex_6], 6=[|v_#memory_$Pointer$.offset_22|, |v_#memory_$Pointer$.base_22|]} [2019-08-31 03:27:11,586 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:11,603 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 209 [2019-08-31 03:27:11,605 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:12,433 WARN L188 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-08-31 03:27:12,434 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:12,493 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:12,494 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 222 treesize of output 269 [2019-08-31 03:27:12,496 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:14,027 WARN L188 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 157 DAG size of output: 153 [2019-08-31 03:27:14,028 INFO L567 ElimStorePlain]: treesize reduction 32, result has 95.3 percent of original size [2019-08-31 03:27:14,054 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:14,061 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 194 [2019-08-31 03:27:14,062 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:14,721 WARN L188 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-08-31 03:27:14,722 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:14,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:14,749 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 175 [2019-08-31 03:27:14,751 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:15,335 WARN L188 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-08-31 03:27:15,336 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:15,359 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:15,367 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 206 treesize of output 205 [2019-08-31 03:27:15,369 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:15,895 WARN L188 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-31 03:27:15,896 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:15,935 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:15,941 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 202 treesize of output 190 [2019-08-31 03:27:15,943 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:16,435 WARN L188 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-08-31 03:27:16,436 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:16,455 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:16,460 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 175 [2019-08-31 03:27:16,461 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:16,913 WARN L188 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-08-31 03:27:16,913 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:16,925 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:16,927 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:16,929 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:16,936 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 217 [2019-08-31 03:27:16,938 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:17,349 WARN L188 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-31 03:27:17,350 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:17,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:17,364 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:17,366 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:27:17,372 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 219 treesize of output 202 [2019-08-31 03:27:17,374 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-31 03:27:17,841 WARN L188 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-08-31 03:27:17,841 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:27:17,843 INFO L496 ElimStorePlain]: Start of recursive call 1: 9 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-08-31 03:27:17,843 INFO L221 ElimStorePlain]: Needed 10 recursive calls to eliminate 9 variables, input treesize:639, output treesize:549 [2019-08-31 03:27:17,868 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:27:17,868 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:27:17,873 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 45#(and (<= |main_~#p2~0.offset| 0) (<= |main_~#b~0.offset| 0) (<= 0 |main_~#p2~0.offset|) (<= |#NULL.base| 0) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |main_~#p1~0.offset| 0) (<= 0 |main_~#b~0.offset|) (<= 0 |main_~#p1~0.offset|) (= |main_~#p2~0.offset| 0) (= |main_~#b~0.offset| 0) (<= |main_~#p1~0.offset| 0) (= |#NULL.offset| 0) (= |main_~#a~0.offset| 0)) [2019-08-31 03:27:17,886 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 03:27:17,886 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:27:17,888 INFO L168 Benchmark]: Toolchain (without parser) took 16686.82 ms. Allocated memory was 133.2 MB in the beginning and 320.3 MB in the end (delta: 187.2 MB). Free memory was 89.1 MB in the beginning and 106.4 MB in the end (delta: -17.3 MB). Peak memory consumption was 169.9 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:17,889 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:27:17,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.89 ms. Allocated memory is still 133.2 MB. Free memory was 88.9 MB in the beginning and 79.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:17,890 INFO L168 Benchmark]: Boogie Preprocessor took 156.11 ms. Allocated memory was 133.2 MB in the beginning and 202.4 MB in the end (delta: 69.2 MB). Free memory was 79.1 MB in the beginning and 178.3 MB in the end (delta: -99.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:17,891 INFO L168 Benchmark]: RCFGBuilder took 438.84 ms. Allocated memory is still 202.4 MB. Free memory was 178.3 MB in the beginning and 160.1 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:17,892 INFO L168 Benchmark]: Sifa took 15779.18 ms. Allocated memory was 202.4 MB in the beginning and 320.3 MB in the end (delta: 118.0 MB). Free memory was 160.1 MB in the beginning and 106.4 MB in the end (delta: 53.7 MB). Peak memory consumption was 171.7 MB. Max. memory is 7.1 GB. [2019-08-31 03:27:17,895 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 308.89 ms. Allocated memory is still 133.2 MB. Free memory was 88.9 MB in the beginning and 79.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 156.11 ms. Allocated memory was 133.2 MB in the beginning and 202.4 MB in the end (delta: 69.2 MB). Free memory was 79.1 MB in the beginning and 178.3 MB in the end (delta: -99.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 438.84 ms. Allocated memory is still 202.4 MB. Free memory was 178.3 MB in the beginning and 160.1 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. * Sifa took 15779.18 ms. Allocated memory was 202.4 MB in the beginning and 320.3 MB in the end (delta: 118.0 MB). Free memory was 160.1 MB in the beginning and 106.4 MB in the end (delta: 53.7 MB). Peak memory consumption was 171.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 15.7s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 17 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 13 TOOLS_POST_APPLICATIONS, 10.7s TOOLS_POST_TIME, 4 TOOLS_POST_CALL_APPLICATIONS, 3.0s TOOLS_POST_CALL_TIME, 3 TOOLS_POST_RETURN_APPLICATIONS, 1.9s TOOLS_POST_RETURN_TIME, 15.5s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 17 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 5 DOMAIN_JOIN_APPLICATIONS, 0.1s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 1 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 3 CALL_SUMMARIZER_APPLICATIONS, 3 CALL_SUMMARIZER_CACHE_MISSES, 0.5s CALL_SUMMARIZER_OVERALL_TIME, 0.5s 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, 49 DAG_COMPRESSION_PROCESSED_NODES, 31 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 40]: 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 45#(and (<= |main_~#p2~0.offset| 0) (<= |main_~#b~0.offset| 0) (<= 0 |main_~#p2~0.offset|) (<= |#NULL.base| 0) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |main_~#p1~0.offset| 0) (<= 0 |main_~#b~0.offset|) (<= 0 |main_~#p1~0.offset|) (= |main_~#p2~0.offset| 0) (= |main_~#b~0.offset| 0) (<= |main_~#p1~0.offset| 0) (= |#NULL.offset| 0) (= |main_~#a~0.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...