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 --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/array-programs/copysome1-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:23:41,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:23:41,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:23:41,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:23:41,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:23:41,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:23:41,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:23:41,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:23:41,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:23:41,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:23:41,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:23:41,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:23:41,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:23:41,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:23:41,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:23:41,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:23:41,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:23:41,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:23:41,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:23:41,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:23:41,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:23:41,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:23:41,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:23:41,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:23:41,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:23:41,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:23:41,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:23:41,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:23:41,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:23:41,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:23:41,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:23:41,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:23:41,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:23:41,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:23:41,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:23:41,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:23:41,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:23:41,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:23:41,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:23:41,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:23:41,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:23:41,622 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 17:23:41,636 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:23:41,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:23:41,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:23:41,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:23:41,638 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:23:41,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:23:41,639 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:23:41,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:23:41,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:23:41,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:23:41,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:23:41,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:23:41,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:23:41,640 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:23:41,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:23:41,640 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:23:41,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:23:41,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:23:41,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:23:41,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:23:41,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:23:41,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:23:41,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:23:41,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:23:41,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:23:41,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:23:41,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:23:41,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:23:41,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:23:41,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:23:41,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:23:41,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:23:41,690 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:23:41,690 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:23:41,691 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-programs/copysome1-1.i [2019-09-20 17:23:41,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e9a2bc1c/24d1bce1b75b41e98ddefcc8fefa8330/FLAG8b6b8f452 [2019-09-20 17:23:42,181 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:23:42,184 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-programs/copysome1-1.i [2019-09-20 17:23:42,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e9a2bc1c/24d1bce1b75b41e98ddefcc8fefa8330/FLAG8b6b8f452 [2019-09-20 17:23:42,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e9a2bc1c/24d1bce1b75b41e98ddefcc8fefa8330 [2019-09-20 17:23:42,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:23:42,590 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:23:42,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:23:42,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:23:42,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:23:42,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:23:42" (1/1) ... [2019-09-20 17:23:42,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab3a346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:42, skipping insertion in model container [2019-09-20 17:23:42,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:23:42" (1/1) ... [2019-09-20 17:23:42,606 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:23:42,623 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:23:42,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:23:42,826 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:23:42,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:23:42,867 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:23:42,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:42 WrapperNode [2019-09-20 17:23:42,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:23:42,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:23:42,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:23:42,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:23:42,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:42" (1/1) ... [2019-09-20 17:23:42,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:42" (1/1) ... [2019-09-20 17:23:42,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:42" (1/1) ... [2019-09-20 17:23:42,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:42" (1/1) ... [2019-09-20 17:23:42,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:42" (1/1) ... [2019-09-20 17:23:43,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:42" (1/1) ... [2019-09-20 17:23:43,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:42" (1/1) ... [2019-09-20 17:23:43,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:23:43,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:23:43,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:23:43,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:23:43,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:42" (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 [2019-09-20 17:23:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:23:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:23:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 17:23:43,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:23:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:23:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:23:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:23:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:23:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:23:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:23:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:23:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:23:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:23:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:23:43,444 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:23:43,445 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 17:23:43,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:23:43 BoogieIcfgContainer [2019-09-20 17:23:43,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:23:43,447 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:23:43,447 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:23:43,447 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:23:43,448 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:23:43" (1/1) ... [2019-09-20 17:23:43,449 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:23:43,472 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:23:43,472 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:23:43,480 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:23:43,487 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:23:43,489 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:23:43,674 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 19 for LOIs [2019-09-20 17:23:43,837 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:23:46,229 WARN L191 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 17:23:47,468 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-09-20 17:23:47,666 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2019-09-20 17:23:49,356 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2019-09-20 17:23:52,125 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-20 17:23:52,305 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-09-20 17:23:52,518 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2019-09-20 17:23:52,715 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-20 17:23:52,983 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-20 17:23:53,144 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 17:23:53,393 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-20 17:23:53,616 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-20 17:23:53,726 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 17:23:53,958 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 67 [2019-09-20 17:23:54,270 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2019-09-20 17:23:54,383 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 17:23:54,673 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2019-09-20 17:23:54,938 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-09-20 17:23:55,065 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:23:55,365 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2019-09-20 17:23:55,642 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-09-20 17:23:55,769 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:23:56,042 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2019-09-20 17:23:56,370 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-20 17:23:56,537 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 17:23:56,866 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-20 17:23:57,359 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2019-09-20 17:23:57,530 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:23:57,933 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2019-09-20 17:23:58,360 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2019-09-20 17:23:58,518 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:23:58,896 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2019-09-20 17:23:59,246 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2019-09-20 17:23:59,415 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:23:59,756 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2019-09-20 17:24:00,223 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 102 [2019-09-20 17:24:00,630 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 28 for LOIs [2019-09-20 17:24:00,683 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:24:00,684 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:24:00,686 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 409#(and (exists ((|v_main_~#a1~0.offset_BEFORE_CALL_7| Int) (|v_main_~#a2~0.base_BEFORE_CALL_7| Int) (|v_main_~#a2~0.offset_BEFORE_CALL_7| Int) (|v_main_~#a1~0.base_BEFORE_CALL_7| Int) (v_main_~x~0_BEFORE_CALL_7 Int)) (or (and (= (select (select |#memory_int| |v_main_~#a1~0.base_BEFORE_CALL_7|) (+ |v_main_~#a1~0.offset_BEFORE_CALL_7| (* 4 v_main_~x~0_BEFORE_CALL_7))) (select (select |#memory_int| |v_main_~#a2~0.base_BEFORE_CALL_7|) (+ |v_main_~#a2~0.offset_BEFORE_CALL_7| (* 4 v_main_~x~0_BEFORE_CALL_7)))) (< v_main_~x~0_BEFORE_CALL_7 200000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~x~0_BEFORE_CALL_7)) (and (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~x~0_BEFORE_CALL_7 200000) (not (= (select (select |#memory_int| |v_main_~#a1~0.base_BEFORE_CALL_7|) (+ |v_main_~#a1~0.offset_BEFORE_CALL_7| (* 4 v_main_~x~0_BEFORE_CALL_7))) (select (select |#memory_int| |v_main_~#a2~0.base_BEFORE_CALL_7|) (+ |v_main_~#a2~0.offset_BEFORE_CALL_7| (* 4 v_main_~x~0_BEFORE_CALL_7))))) (<= 0 v_main_~x~0_BEFORE_CALL_7)))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 17:24:00,698 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:24:00,698 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:24:00,700 INFO L168 Benchmark]: Toolchain (without parser) took 18109.81 ms. Allocated memory was 132.1 MB in the beginning and 383.8 MB in the end (delta: 251.7 MB). Free memory was 86.8 MB in the beginning and 300.2 MB in the end (delta: -213.4 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:24:00,700 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:24:00,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.28 ms. Allocated memory is still 132.1 MB. Free memory was 86.6 MB in the beginning and 76.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-20 17:24:00,701 INFO L168 Benchmark]: Boogie Preprocessor took 135.41 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 76.3 MB in the beginning and 175.4 MB in the end (delta: -99.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:24:00,706 INFO L168 Benchmark]: RCFGBuilder took 441.92 ms. Allocated memory is still 199.8 MB. Free memory was 175.4 MB in the beginning and 154.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-09-20 17:24:00,708 INFO L168 Benchmark]: Sifa took 17251.69 ms. Allocated memory was 199.8 MB in the beginning and 383.8 MB in the end (delta: 184.0 MB). Free memory was 154.3 MB in the beginning and 300.2 MB in the end (delta: -145.9 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2019-09-20 17:24:00,713 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 277.28 ms. Allocated memory is still 132.1 MB. Free memory was 86.6 MB in the beginning and 76.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.41 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 76.3 MB in the beginning and 175.4 MB in the end (delta: -99.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 441.92 ms. Allocated memory is still 199.8 MB. Free memory was 175.4 MB in the beginning and 154.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Sifa took 17251.69 ms. Allocated memory was 199.8 MB in the beginning and 383.8 MB in the end (delta: 184.0 MB). Free memory was 154.3 MB in the beginning and 300.2 MB in the end (delta: -145.9 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 17215, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 82, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 65, TOOLS_POST_TIME[ms]: 2836, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 324, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 9, TOOLS_QUANTIFIERELIM_APPLICATIONS: 81, TOOLS_QUANTIFIERELIM_TIME[ms]: 3132, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 353, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 108, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 42, DOMAIN_JOIN_TIME[ms]: 8499, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 23, DOMAIN_WIDEN_TIME[ms]: 5379, DOMAIN_ISSUBSETEQ_APPLICATIONS: 26, DOMAIN_ISSUBSETEQ_TIME[ms]: 50, DOMAIN_ISBOTTOM_APPLICATIONS: 8, DOMAIN_ISBOTTOM_TIME[ms]: 30, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 16728, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 16728, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 26, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 162, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 162, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 15, DAG_COMPRESSION_PROCESSED_NODES: 92, DAG_COMPRESSION_RETAINED_NODES: 48 - UnprovableResult [Line: 4]: 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 409#(and (exists ((|v_main_~#a1~0.offset_BEFORE_CALL_7| Int) (|v_main_~#a2~0.base_BEFORE_CALL_7| Int) (|v_main_~#a2~0.offset_BEFORE_CALL_7| Int) (|v_main_~#a1~0.base_BEFORE_CALL_7| Int) (v_main_~x~0_BEFORE_CALL_7 Int)) (or (and (= (select (select |#memory_int| |v_main_~#a1~0.base_BEFORE_CALL_7|) (+ |v_main_~#a1~0.offset_BEFORE_CALL_7| (* 4 v_main_~x~0_BEFORE_CALL_7))) (select (select |#memory_int| |v_main_~#a2~0.base_BEFORE_CALL_7|) (+ |v_main_~#a2~0.offset_BEFORE_CALL_7| (* 4 v_main_~x~0_BEFORE_CALL_7)))) (< v_main_~x~0_BEFORE_CALL_7 200000) (= |__VERIFIER_assert_#in~cond| 1) (<= 0 v_main_~x~0_BEFORE_CALL_7)) (and (= |__VERIFIER_assert_#in~cond| 0) (< v_main_~x~0_BEFORE_CALL_7 200000) (not (= (select (select |#memory_int| |v_main_~#a1~0.base_BEFORE_CALL_7|) (+ |v_main_~#a1~0.offset_BEFORE_CALL_7| (* 4 v_main_~x~0_BEFORE_CALL_7))) (select (select |#memory_int| |v_main_~#a2~0.base_BEFORE_CALL_7|) (+ |v_main_~#a2~0.offset_BEFORE_CALL_7| (* 4 v_main_~x~0_BEFORE_CALL_7))))) (<= 0 v_main_~x~0_BEFORE_CALL_7)))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...