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/test25-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:53:56,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:53:56,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:53:56,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:53:56,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:53:56,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:53:56,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:53:56,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:53:56,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:53:56,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:53:56,188 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:53:56,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:53:56,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:53:56,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:53:56,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:53:56,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:53:56,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:53:56,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:53:56,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:53:56,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:53:56,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:53:56,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:53:56,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:53:56,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:53:56,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:53:56,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:53:56,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:53:56,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:53:56,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:53:56,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:53:56,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:53:56,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:53:56,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:53:56,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:53:56,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:53:56,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:53:56,216 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 [2019-08-18 06:53:56,230 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:53:56,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:53:56,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:53:56,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:53:56,231 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:53:56,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:53:56,232 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:53:56,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:53:56,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:53:56,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:53:56,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:53:56,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:53:56,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:53:56,233 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:53:56,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:53:56,234 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:53:56,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:53:56,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:53:56,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:53:56,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:53:56,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:53:56,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:53:56,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:53:56,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:53:56,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:53:56,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:53:56,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:53:56,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:53:56,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:53:56,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:53:56,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:53:56,281 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:53:56,282 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:53:56,284 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:53:56,284 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test25-1.c [2019-08-18 06:53:56,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6b326b2/71d2db6e5fb14bbbafe66e146d6a64dc/FLAG7ed522e72 [2019-08-18 06:53:56,814 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:53:56,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test25-1.c [2019-08-18 06:53:56,820 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6b326b2/71d2db6e5fb14bbbafe66e146d6a64dc/FLAG7ed522e72 [2019-08-18 06:53:57,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f6b326b2/71d2db6e5fb14bbbafe66e146d6a64dc [2019-08-18 06:53:57,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:53:57,186 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:53:57,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:53:57,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:53:57,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:53:57,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:53:57" (1/1) ... [2019-08-18 06:53:57,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f1e449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:57, skipping insertion in model container [2019-08-18 06:53:57,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:53:57" (1/1) ... [2019-08-18 06:53:57,204 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:53:57,222 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:53:57,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:53:57,435 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:53:57,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:53:57,473 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:53:57,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:57 WrapperNode [2019-08-18 06:53:57,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:53:57,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:53:57,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:53:57,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:53:57,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:57" (1/1) ... [2019-08-18 06:53:57,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:57" (1/1) ... [2019-08-18 06:53:57,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:57" (1/1) ... [2019-08-18 06:53:57,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:57" (1/1) ... [2019-08-18 06:53:57,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:57" (1/1) ... [2019-08-18 06:53:57,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:57" (1/1) ... [2019-08-18 06:53:57,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:57" (1/1) ... [2019-08-18 06:53:57,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:53:57,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:53:57,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:53:57,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:53:57,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:53:57" (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 [2019-08-18 06:53:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:53:57,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:53:57,658 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-18 06:53:57,658 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:53:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:53:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 06:53:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-18 06:53:57,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 06:53:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:53:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:53:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 06:53:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:53:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 06:53:57,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:53:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:53:57,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:53:57,975 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:53:57,975 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-18 06:53:57,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:53:57 BoogieIcfgContainer [2019-08-18 06:53:57,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:53:57,977 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:53:57,977 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:53:57,977 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:53:57,978 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:53:57" (1/1) ... [2019-08-18 06:53:57,989 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:53:57,992 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:53:57,997 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:53:58,005 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:53:58,007 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:53:58,082 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 [2019-08-18 06:53:58,083 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:53:58,103 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:58,104 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:53:58,105 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:53:58,129 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 06:53:58,184 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:53:58,522 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2019-08-18 06:53:58,523 INFO L567 ElimStorePlain]: treesize reduction 3, result has 98.5 percent of original size [2019-08-18 06:53:58,534 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:53:58,646 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-08-18 06:53:58,647 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:53:58,649 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-08-18 06:53:58,650 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:212, output treesize:177 [2019-08-18 06:53:58,669 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:53:58,708 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:53:58,723 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:54:01,386 WARN L188 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 138 DAG size of output: 136 [2019-08-18 06:54:01,386 INFO L567 ElimStorePlain]: treesize reduction 6, result has 98.8 percent of original size [2019-08-18 06:54:01,426 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:54:01,446 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:54:02,449 WARN L188 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 134 [2019-08-18 06:54:02,449 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:02,462 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:54:03,219 WARN L188 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-08-18 06:54:03,220 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:03,248 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:54:03,714 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-08-18 06:54:03,715 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:03,720 INFO L496 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-2 vars, End of recursive call: 14 dim-0 vars, and 2 xjuncts. [2019-08-18 06:54:03,721 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 10 variables, input treesize:525, output treesize:421 [2019-08-18 06:54:03,766 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_12|, |v_#memory_int_13|, |v_#memory_$Pointer$.offset_12|], 2=[|v_#memory_$Pointer$.base_6|, |v_#memory_$Pointer$.offset_6|]} [2019-08-18 06:54:03,781 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 [2019-08-18 06:54:03,782 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:54:03,816 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:03,832 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 06:54:03,836 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2019-08-18 06:54:03,836 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:54:03,864 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:03,871 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 [2019-08-18 06:54:03,872 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:54:03,899 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:03,905 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 25 treesize of output 1 [2019-08-18 06:54:03,905 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 06:54:03,921 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:03,928 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 25 treesize of output 1 [2019-08-18 06:54:03,928 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 06:54:03,941 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:03,943 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 5 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:54:03,943 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:139, output treesize:54 [2019-08-18 06:54:03,956 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 [2019-08-18 06:54:03,956 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:54:03,981 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:03,987 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 [2019-08-18 06:54:03,987 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 06:54:04,019 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:04,026 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 [2019-08-18 06:54:04,027 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 06:54:04,050 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:54:04,050 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:54:04,051 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:91, output treesize:68 [2019-08-18 06:54:04,089 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:54:04,090 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:54:04,092 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 68#(and (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) main_~i~0) (not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|) 12))))) [2019-08-18 06:54:04,108 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:54:04,109 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:54:04,111 INFO L168 Benchmark]: Toolchain (without parser) took 6924.13 ms. Allocated memory was 134.2 MB in the beginning and 257.4 MB in the end (delta: 123.2 MB). Free memory was 90.6 MB in the beginning and 147.4 MB in the end (delta: -56.7 MB). Peak memory consumption was 107.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:54:04,111 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:54:04,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.24 ms. Allocated memory is still 134.2 MB. Free memory was 90.2 MB in the beginning and 80.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-18 06:54:04,113 INFO L168 Benchmark]: Boogie Preprocessor took 129.50 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 79.8 MB in the beginning and 177.1 MB in the end (delta: -97.3 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-18 06:54:04,116 INFO L168 Benchmark]: RCFGBuilder took 372.75 ms. Allocated memory is still 201.3 MB. Free memory was 177.1 MB in the beginning and 160.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:54:04,117 INFO L168 Benchmark]: Symbolic Interpretation took 6131.95 ms. Allocated memory was 201.3 MB in the beginning and 257.4 MB in the end (delta: 56.1 MB). Free memory was 160.7 MB in the beginning and 147.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 110.0 MB. Max. memory is 7.1 GB. [2019-08-18 06:54:04,124 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 45]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 68#(and (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) main_~i~0) (not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|) 12))))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 134.2 MB. Free memory was 108.5 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 285.24 ms. Allocated memory is still 134.2 MB. Free memory was 90.2 MB in the beginning and 80.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.50 ms. Allocated memory was 134.2 MB in the beginning and 201.3 MB in the end (delta: 67.1 MB). Free memory was 79.8 MB in the beginning and 177.1 MB in the end (delta: -97.3 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 372.75 ms. Allocated memory is still 201.3 MB. Free memory was 177.1 MB in the beginning and 160.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6131.95 ms. Allocated memory was 201.3 MB in the beginning and 257.4 MB in the end (delta: 56.1 MB). Free memory was 160.7 MB in the beginning and 147.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 110.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...