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/test27-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:28:36,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:28:36,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:28:36,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:28:36,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:28:36,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:28:36,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:28:36,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:28:36,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:28:36,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:28:36,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:28:36,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:28:36,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:28:36,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:28:36,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:28:36,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:28:36,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:28:36,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:28:36,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:28:36,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:28:36,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:28:36,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:28:36,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:28:36,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:28:36,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 03:28:36,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:28:36,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:28:36,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:28:36,440 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 03:28:36,455 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:28:36,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:28:36,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:28:36,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:28:36,456 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:28:36,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:28:36,457 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:28:36,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:28:36,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:28:36,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:28:36,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:28:36,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:28:36,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:28:36,458 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:28:36,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:28:36,459 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:28:36,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:28:36,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:28:36,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:28:36,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:28:36,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:28:36,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:28:36,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:28:36,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:28:36,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:28:36,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:28:36,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:28:36,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:28:36,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:28:36,489 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:28:36,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:28:36,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:28:36,508 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:28:36,508 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:28:36,510 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test27-1.c [2019-08-31 03:28:36,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7781227d/5815d3c5ad4940eba85dcae0757d6a6a/FLAG042994fd7 [2019-08-31 03:28:37,026 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:28:37,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test27-1.c [2019-08-31 03:28:37,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7781227d/5815d3c5ad4940eba85dcae0757d6a6a/FLAG042994fd7 [2019-08-31 03:28:37,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7781227d/5815d3c5ad4940eba85dcae0757d6a6a [2019-08-31 03:28:37,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:28:37,439 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:28:37,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:28:37,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:28:37,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:28:37,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:28:37" (1/1) ... [2019-08-31 03:28:37,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79829c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:37, skipping insertion in model container [2019-08-31 03:28:37,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:28:37" (1/1) ... [2019-08-31 03:28:37,454 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:28:37,471 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:28:37,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:28:37,669 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:28:37,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:28:37,792 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:28:37,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:37 WrapperNode [2019-08-31 03:28:37,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:28:37,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:28:37,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:28:37,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:28:37,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:37" (1/1) ... [2019-08-31 03:28:37,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:37" (1/1) ... [2019-08-31 03:28:37,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:37" (1/1) ... [2019-08-31 03:28:37,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:37" (1/1) ... [2019-08-31 03:28:37,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:37" (1/1) ... [2019-08-31 03:28:37,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:37" (1/1) ... [2019-08-31 03:28:37,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:37" (1/1) ... [2019-08-31 03:28:37,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:28:37,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:28:37,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:28:37,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:28:37,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:28:37" (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 03:28:37,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:28:37,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:28:37,889 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-31 03:28:37,889 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:28:37,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:28:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:28:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-31 03:28:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-31 03:28:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:28:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:28:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:28:37,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:28:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:28:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:28:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:28:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:28:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:28:38,266 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:28:38,266 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-31 03:28:38,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:28:38 BoogieIcfgContainer [2019-08-31 03:28:38,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:28:38,270 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:28:38,270 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:28:38,271 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:28:38,272 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:28:38" (1/1) ... [2019-08-31 03:28:38,308 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:28:38,308 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:28:38,316 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:28:38,324 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:28:38,326 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:28:38,420 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 03:28:38,421 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:28:38,443 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:28:38,444 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:28:38,444 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:28:38,460 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-08-31 03:28:38,538 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:28:39,102 WARN L188 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2019-08-31 03:28:39,103 INFO L567 ElimStorePlain]: treesize reduction 12, result has 95.7 percent of original size [2019-08-31 03:28:39,113 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 03:28:39,352 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-31 03:28:39,353 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:28:39,356 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2019-08-31 03:28:39,357 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:277, output treesize:267 [2019-08-31 03:28:39,402 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.base_4|, |v_#memory_$Pointer$.offset_4|], 4=[|v_#memory_int_17|]} [2019-08-31 03:28:39,414 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:28:40,792 WARN L188 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 147 DAG size of output: 145 [2019-08-31 03:28:40,793 INFO L567 ElimStorePlain]: treesize reduction 3, result has 99.5 percent of original size [2019-08-31 03:28:40,808 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 03:28:41,430 WARN L188 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-08-31 03:28:41,430 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:28:41,444 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 03:28:41,952 WARN L188 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-08-31 03:28:41,953 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:28:41,955 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 3 dim-2 vars, End of recursive call: 11 dim-0 vars, and 1 xjuncts. [2019-08-31 03:28:41,956 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 11 variables, input treesize:485, output treesize:745 [2019-08-31 03:28:42,041 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.base_4|, |v_#memory_$Pointer$.offset_4|], 4=[|v_#memory_int_18|]} [2019-08-31 03:28:42,070 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:28:42,090 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 03:29:16,710 WARN L188 SmtUtils]: Spent 34.62 s on a formula simplification. DAG size of input: 218 DAG size of output: 216 [2019-08-31 03:29:16,711 INFO L567 ElimStorePlain]: treesize reduction 6, result has 99.7 percent of original size [2019-08-31 03:29:16,741 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 03:29:16,754 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:29:31,005 WARN L188 SmtUtils]: Spent 14.25 s on a formula simplification that was a NOOP. DAG size: 217 [2019-08-31 03:29:31,006 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:29:31,029 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 03:29:31,043 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 03:29:58,132 WARN L188 SmtUtils]: Spent 27.09 s on a formula simplification that was a NOOP. DAG size: 221 [2019-08-31 03:29:58,133 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:29:58,137 INFO L496 ElimStorePlain]: Start of recursive call 1: 19 dim-0 vars, 3 dim-2 vars, End of recursive call: 28 dim-0 vars, and 2 xjuncts. [2019-08-31 03:29:58,137 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 22 variables, input treesize:1759, output treesize:3371 [2019-08-31 03:29:58,319 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_19|, |v_#memory_$Pointer$.offset_18|, |v_#memory_$Pointer$.base_18|], 2=[|v_#memory_$Pointer$.base_4|, |v_#memory_$Pointer$.offset_4|]} [2019-08-31 03:29:58,354 INFO L341 Elim1Store]: treesize reduction 37, result has 42.2 percent of original size [2019-08-31 03:29:58,355 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 1 case distinctions, treesize of input 47 treesize of output 27 [2019-08-31 03:29:58,356 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-08-31 03:29:58,401 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:29:58,408 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 23 treesize of output 1 [2019-08-31 03:29:58,408 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:29:58,464 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:29:58,470 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 23 treesize of output 1 [2019-08-31 03:29:58,471 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:29:58,496 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:29:58,502 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 11 [2019-08-31 03:29:58,502 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:29:58,525 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:29:58,530 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 11 [2019-08-31 03:29:58,530 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:29:58,550 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:29:58,551 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:29:58,555 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 5 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:29:58,556 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 8 variables, input treesize:135, output treesize:45 [2019-08-31 03:29:58,569 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_19|, |v_#memory_$Pointer$.base_19|, |v_#memory_int_20|], 2=[|v_#memory_int_9|, |v_#memory_int_10|], 6=[|v_#memory_$Pointer$.offset_10|, |v_#memory_$Pointer$.base_10|]} [2019-08-31 03:29:58,594 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 23 treesize of output 1 [2019-08-31 03:29:58,594 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:29:58,747 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-08-31 03:29:58,747 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:29:58,760 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 23 treesize of output 1 [2019-08-31 03:29:58,761 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:29:58,923 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-08-31 03:29:58,924 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:29:58,985 INFO L341 Elim1Store]: treesize reduction 29, result has 44.2 percent of original size [2019-08-31 03:29:58,986 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 1 case distinctions, treesize of input 39 treesize of output 23 [2019-08-31 03:29:58,986 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-08-31 03:29:59,124 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-08-31 03:29:59,125 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:29:59,132 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:29:59,240 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-08-31 03:29:59,241 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:29:59,358 INFO L341 Elim1Store]: treesize reduction 98, result has 39.9 percent of original size [2019-08-31 03:29:59,359 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 65 treesize of output 80 [2019-08-31 03:29:59,360 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:29:59,361 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:29:59,507 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-08-31 03:29:59,508 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:29:59,686 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-08-31 03:29:59,687 INFO L341 Elim1Store]: treesize reduction 28, result has 78.8 percent of original size [2019-08-31 03:29:59,687 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 2 case distinctions, treesize of input 91 treesize of output 113 [2019-08-31 03:29:59,688 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:29:59,991 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-08-31 03:29:59,991 INFO L567 ElimStorePlain]: treesize reduction 46, result has 87.2 percent of original size [2019-08-31 03:30:00,124 INFO L341 Elim1Store]: treesize reduction 28, result has 77.2 percent of original size [2019-08-31 03:30:00,125 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 2 case distinctions, treesize of input 69 treesize of output 102 [2019-08-31 03:30:00,126 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 03:30:00,388 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-08-31 03:30:00,389 INFO L567 ElimStorePlain]: treesize reduction 42, result has 87.8 percent of original size [2019-08-31 03:30:00,391 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:30:00,391 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:387, output treesize:277 [2019-08-31 03:30:00,462 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:30:00,480 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_20|, |v_#memory_$Pointer$.offset_20|, |v_#memory_int_21|], 2=[|v_#memory_int_9|, |v_#memory_int_10|], 6=[|v_#memory_$Pointer$.offset_10|, |v_#memory_$Pointer$.base_10|]} [2019-08-31 03:30:00,504 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 23 treesize of output 1 [2019-08-31 03:30:00,505 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:30:00,715 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-08-31 03:30:00,715 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:30:00,736 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 23 treesize of output 1 [2019-08-31 03:30:00,736 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:30:00,899 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-08-31 03:30:00,899 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:30:00,975 INFO L341 Elim1Store]: treesize reduction 29, result has 44.2 percent of original size [2019-08-31 03:30:00,976 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 1 case distinctions, treesize of input 39 treesize of output 23 [2019-08-31 03:30:00,976 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-08-31 03:30:01,136 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-08-31 03:30:01,136 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:30:01,142 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:30:01,248 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-08-31 03:30:01,248 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:30:01,369 INFO L341 Elim1Store]: treesize reduction 98, result has 39.9 percent of original size [2019-08-31 03:30:01,370 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 65 treesize of output 80 [2019-08-31 03:30:01,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:30:01,372 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:30:01,511 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-08-31 03:30:01,511 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:30:01,683 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-08-31 03:30:01,684 INFO L341 Elim1Store]: treesize reduction 28, result has 78.8 percent of original size [2019-08-31 03:30:01,685 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 2 case distinctions, treesize of input 91 treesize of output 113 [2019-08-31 03:30:01,686 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:30:01,974 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-08-31 03:30:01,975 INFO L567 ElimStorePlain]: treesize reduction 46, result has 87.2 percent of original size [2019-08-31 03:30:02,132 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-08-31 03:30:02,133 INFO L341 Elim1Store]: treesize reduction 28, result has 77.2 percent of original size [2019-08-31 03:30:02,133 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 2 case distinctions, treesize of input 69 treesize of output 102 [2019-08-31 03:30:02,134 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 03:30:02,425 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-08-31 03:30:02,426 INFO L567 ElimStorePlain]: treesize reduction 42, result has 87.8 percent of original size [2019-08-31 03:30:02,427 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:30:02,428 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:387, output treesize:277 [2019-08-31 03:30:02,466 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:30:02,466 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:30:02,468 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 161#(not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|))))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) 4)))) [2019-08-31 03:30:02,483 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 03:30:02,484 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:30:02,486 INFO L168 Benchmark]: Toolchain (without parser) took 85047.75 ms. Allocated memory was 134.2 MB in the beginning and 295.2 MB in the end (delta: 161.0 MB). Free memory was 90.3 MB in the beginning and 174.0 MB in the end (delta: -83.7 MB). Peak memory consumption was 77.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:30:02,486 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:30:02,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.58 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.9 MB in the beginning and 178.1 MB in the end (delta: -88.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-08-31 03:30:02,488 INFO L168 Benchmark]: Boogie Preprocessor took 44.84 ms. Allocated memory is still 201.3 MB. Free memory was 178.1 MB in the beginning and 175.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:30:02,489 INFO L168 Benchmark]: RCFGBuilder took 430.92 ms. Allocated memory is still 201.3 MB. Free memory was 175.9 MB in the beginning and 156.5 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2019-08-31 03:30:02,490 INFO L168 Benchmark]: Sifa took 84214.08 ms. Allocated memory was 201.3 MB in the beginning and 295.2 MB in the end (delta: 93.8 MB). Free memory was 155.9 MB in the beginning and 174.0 MB in the end (delta: -18.1 MB). Peak memory consumption was 75.8 MB. Max. memory is 7.1 GB. [2019-08-31 03:30:02,493 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 352.58 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 89.9 MB in the beginning and 178.1 MB in the end (delta: -88.2 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.84 ms. Allocated memory is still 201.3 MB. Free memory was 178.1 MB in the beginning and 175.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 430.92 ms. Allocated memory is still 201.3 MB. Free memory was 175.9 MB in the beginning and 156.5 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. * Sifa took 84214.08 ms. Allocated memory was 201.3 MB in the beginning and 295.2 MB in the end (delta: 93.8 MB). Free memory was 155.9 MB in the beginning and 174.0 MB in the end (delta: -18.1 MB). Peak memory consumption was 75.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 84.2s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 39 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 3 DAG_INTERPRETER_EARLY_EXITS, 34 TOOLS_POST_APPLICATIONS, 83.7s TOOLS_POST_TIME, 3 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 2 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 83.7s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 45 FLUID_QUERIES, 2 FLUID_YES_ANSWERS, 11 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 2 DOMAIN_ALPHA_APPLICATIONS, 0.1s DOMAIN_ALPHA_TIME, 4 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 6 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.2s DOMAIN_ISSUBSETEQ_TIME, 7 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 2 LOOP_SUMMARIZER_APPLICATIONS, 2 LOOP_SUMMARIZER_CACHE_MISSES, 79.2s LOOP_SUMMARIZER_OVERALL_TIME, 79.2s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 6 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 2 CALL_SUMMARIZER_APPLICATIONS, 2 CALL_SUMMARIZER_CACHE_MISSES, 0.1s CALL_SUMMARIZER_OVERALL_TIME, 0.1s 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, 202 DAG_COMPRESSION_PROCESSED_NODES, 71 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 51]: 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 161#(not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|))))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) 4)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...