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_QUICK -i ../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:49:53,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:49:53,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:49:53,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:49:53,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:49:53,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:49:53,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:49:53,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:49:53,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:49:53,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:49:53,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:49:53,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:49:53,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:49:53,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:49:53,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:49:53,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:49:53,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:49:53,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:49:53,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:49:53,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:49:53,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:49:53,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:49:53,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:49:53,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:49:53,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:49:53,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:49:53,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:49:53,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:49:53,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:49:53,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:49:53,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:49:53,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:49:53,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:49:53,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:49:53,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:49:53,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:49:53,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:49:53,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:49:53,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:49:53,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:49:53,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:49:53,514 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 [2019-09-21 09:49:53,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:49:53,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:49:53,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:49:53,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:49:53,530 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:49:53,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:49:53,531 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:49:53,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:49:53,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:49:53,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:49:53,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:49:53,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:49:53,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:49:53,532 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:49:53,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:49:53,533 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:49:53,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:49:53,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:49:53,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:49:53,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:49:53,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:49:53,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:49:53,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:49:53,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:49:53,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:49:53,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:49:53,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:49:53,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:49:53,535 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_QUICK [2019-09-21 09:49:53,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:49:53,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:49:53,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:49:53,599 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:49:53,600 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:49:53,600 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-09-21 09:49:53,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a4d3fae/5812223e28354e33b849d773ab5f3b73/FLAGc450d7b28 [2019-09-21 09:49:54,108 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:49:54,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-09-21 09:49:54,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a4d3fae/5812223e28354e33b849d773ab5f3b73/FLAGc450d7b28 [2019-09-21 09:49:54,526 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a4d3fae/5812223e28354e33b849d773ab5f3b73 [2019-09-21 09:49:54,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:49:54,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:49:54,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:49:54,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:49:54,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:49:54,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:49:54" (1/1) ... [2019-09-21 09:49:54,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4261ac45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:54, skipping insertion in model container [2019-09-21 09:49:54,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:49:54" (1/1) ... [2019-09-21 09:49:54,553 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:49:54,570 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:49:54,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:49:54,801 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:49:54,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:49:54,842 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:49:54,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:54 WrapperNode [2019-09-21 09:49:54,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:49:54,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:49:54,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:49:54,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:49:54,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:54" (1/1) ... [2019-09-21 09:49:54,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:54" (1/1) ... [2019-09-21 09:49:54,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:54" (1/1) ... [2019-09-21 09:49:54,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:54" (1/1) ... [2019-09-21 09:49:54,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:54" (1/1) ... [2019-09-21 09:49:54,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:54" (1/1) ... [2019-09-21 09:49:54,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:54" (1/1) ... [2019-09-21 09:49:54,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:49:54,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:49:54,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:49:54,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:49:54,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:49:54" (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 [2019-09-21 09:49:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:49:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:49:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:49:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:49:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:49:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:49:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:49:55,040 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:49:55,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:49:55,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:49:55,224 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:49:55,225 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-21 09:49:55,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:49:55 BoogieIcfgContainer [2019-09-21 09:49:55,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:49:55,227 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:49:55,227 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:49:55,227 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:49:55,228 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:49:55" (1/1) ... [2019-09-21 09:49:55,229 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:49:55,254 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:49:55,254 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:49:55,261 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:49:55,275 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:49:55,280 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:49:55,453 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 12 for LOIs [2019-09-21 09:49:56,541 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 293 [2019-09-21 09:49:56,955 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-09-21 09:49:57,083 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2019-09-21 09:49:57,252 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 404 [2019-09-21 09:49:57,758 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-21 09:49:57,916 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2019-09-21 09:49:58,183 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 532 [2019-09-21 09:49:58,440 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2019-09-21 09:49:58,638 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 437 [2019-09-21 09:49:58,908 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 669 [2019-09-21 09:49:59,119 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 669 [2019-09-21 09:49:59,470 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 670 DAG size of output: 670 [2019-09-21 09:49:59,636 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 545 [2019-09-21 09:49:59,762 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 545 [2019-09-21 09:50:00,065 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 553 DAG size of output: 553 [2019-09-21 09:50:00,597 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 844 [2019-09-21 09:50:00,991 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 844 [2019-09-21 09:50:01,516 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 845 DAG size of output: 843 [2019-09-21 09:50:01,716 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 675 DAG size of output: 675 [2019-09-21 09:50:01,894 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-09-21 09:50:02,288 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 665 [2019-09-21 09:50:02,849 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-09-21 09:50:03,308 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-09-21 09:50:04,182 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 1039 DAG size of output: 1038 [2019-09-21 09:50:04,529 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 809 DAG size of output: 809 [2019-09-21 09:50:04,767 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 809 [2019-09-21 09:50:05,349 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 817 [2019-09-21 09:50:06,457 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1575 [2019-09-21 09:50:07,548 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1575 [2019-09-21 09:50:09,360 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1576 DAG size of output: 1576 [2019-09-21 09:50:10,022 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 1054 DAG size of output: 1054 [2019-09-21 09:50:10,610 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 1054 [2019-09-21 09:50:12,033 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 1062 DAG size of output: 1032 [2019-09-21 09:50:14,106 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 1965 [2019-09-21 09:50:16,135 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 1965 [2019-09-21 09:50:20,597 WARN L191 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 1966 DAG size of output: 1915 [2019-09-21 09:50:21,487 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 1127 DAG size of output: 1127 [2019-09-21 09:50:22,252 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1127 [2019-09-21 09:50:25,378 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 1135 DAG size of output: 1135 [2019-09-21 09:50:32,135 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 2024 DAG size of output: 2013 [2019-09-21 09:50:34,335 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:50:34,336 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:50:34,337 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3241#(and (<= 0 main_~main__x~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (<= ~__return_main~0 0) (<= 0 (+ main_~main__y~0 1000)) (<= 0 |old(~__return_65~0)|) (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (<= ~__return_65~0 0) (<= |old(~__return_65~0)| 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (not (< main_~main__x~0 0)) (<= 0 ~__return_65~0)) [2019-09-21 09:50:34,360 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:50:34,361 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:50:34,362 INFO L168 Benchmark]: Toolchain (without parser) took 39822.99 ms. Allocated memory was 131.6 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 84.0 MB in the beginning and 858.9 MB in the end (delta: -774.9 MB). Peak memory consumption was 353.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:50:34,363 INFO L168 Benchmark]: CDTParser took 1.08 ms. Allocated memory is still 131.6 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:50:34,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.60 ms. Allocated memory is still 131.6 MB. Free memory was 83.8 MB in the beginning and 74.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:50:34,365 INFO L168 Benchmark]: Boogie Preprocessor took 136.71 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 74.2 MB in the beginning and 175.5 MB in the end (delta: -101.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:50:34,366 INFO L168 Benchmark]: RCFGBuilder took 246.16 ms. Allocated memory is still 197.7 MB. Free memory was 174.9 MB in the beginning and 163.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:50:34,367 INFO L168 Benchmark]: Sifa took 39134.17 ms. Allocated memory was 197.7 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 162.4 MB in the beginning and 858.9 MB in the end (delta: -696.5 MB). Peak memory consumption was 366.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:50:34,371 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 ms. Allocated memory is still 131.6 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 302.60 ms. Allocated memory is still 131.6 MB. Free memory was 83.8 MB in the beginning and 74.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.71 ms. Allocated memory was 131.6 MB in the beginning and 197.7 MB in the end (delta: 66.1 MB). Free memory was 74.2 MB in the beginning and 175.5 MB in the end (delta: -101.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 246.16 ms. Allocated memory is still 197.7 MB. Free memory was 174.9 MB in the beginning and 163.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Sifa took 39134.17 ms. Allocated memory was 197.7 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 162.4 MB in the beginning and 858.9 MB in the end (delta: -696.5 MB). Peak memory consumption was 366.2 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]: 39084, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 23, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 20, TOOLS_POST_TIME[ms]: 483, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 31, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 23, TOOLS_QUANTIFIERELIM_TIME[ms]: 447, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 85, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 36, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 15, DOMAIN_JOIN_TIME[ms]: 11116, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 4628, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 22438, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 275, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 38860, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 38859, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 80, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 80, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 25 - UnprovableResult [Line: 43]: 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 3241#(and (<= 0 main_~main__x~0) (<= 0 ~__return_main~0) (<= main_~__VERIFIER_assert__cond~0 0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (<= ~__return_main~0 0) (<= 0 (+ main_~main__y~0 1000)) (<= 0 |old(~__return_65~0)|) (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (<= ~__return_65~0 0) (<= |old(~__return_65~0)| 0) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (not (< main_~main__x~0 0)) (<= 0 ~__return_65~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...