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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 21:13:39,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:13:39,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:13:39,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:13:39,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:13:39,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:13:39,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:13:39,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:13:39,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:13:39,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:13:39,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:13:39,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:13:39,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:13:39,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:13:39,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:13:39,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:13:39,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:13:39,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:13:39,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:13:39,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:13:39,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:13:39,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:13:39,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:13:39,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:13:39,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 21:13:39,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 21:13:39,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 21:13:39,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 21:13:39,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 21:13:39,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 21:13:39,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 21:13:39,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 21:13:39,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 21:13:39,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 21:13:39,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 21:13:39,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 21:13:39,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 21:13:39,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 21:13:39,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:13:39,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:13:39,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:13:39,498 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 [2019-09-18 21:13:39,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:13:39,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:13:39,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:13:39,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:13:39,524 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:13:39,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:13:39,524 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:13:39,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:13:39,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:13:39,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:13:39,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:13:39,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:13:39,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:13:39,526 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:13:39,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:13:39,527 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:13:39,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:13:39,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:13:39,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:13:39,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:13:39,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:13:39,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:13:39,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:13:39,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:13:39,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:13:39,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:13:39,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:13:39,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:13:39,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> ReUseSupersetCallSummarizer 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 [2019-09-18 21:13:39,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:13:39,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:13:39,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:13:39,605 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:13:39,606 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:13:39,606 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-18 21:13:39,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ff3ef9a/876135d8075d492aa0ec67100a98452b/FLAG3bd66ca23 [2019-09-18 21:13:40,109 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:13:40,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-18 21:13:40,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ff3ef9a/876135d8075d492aa0ec67100a98452b/FLAG3bd66ca23 [2019-09-18 21:13:40,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5ff3ef9a/876135d8075d492aa0ec67100a98452b [2019-09-18 21:13:40,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:13:40,502 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:13:40,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:13:40,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:13:40,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:13:40,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:13:40" (1/1) ... [2019-09-18 21:13:40,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d542d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:13:40, skipping insertion in model container [2019-09-18 21:13:40,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:13:40" (1/1) ... [2019-09-18 21:13:40,519 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:13:40,543 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:13:40,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:13:40,824 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:13:40,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:13:40,949 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:13:40,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:13:40 WrapperNode [2019-09-18 21:13:40,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:13:40,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:13:40,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:13:40,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:13:40,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:13:40" (1/1) ... [2019-09-18 21:13:40,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:13:40" (1/1) ... [2019-09-18 21:13:40,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:13:40" (1/1) ... [2019-09-18 21:13:40,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:13:40" (1/1) ... [2019-09-18 21:13:41,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:13:40" (1/1) ... [2019-09-18 21:13:41,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:13:40" (1/1) ... [2019-09-18 21:13:41,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:13:40" (1/1) ... [2019-09-18 21:13:41,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:13:41,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:13:41,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:13:41,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:13:41,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:13:40" (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 [2019-09-18 21:13:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:13:41,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:13:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:13:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:13:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 21:13:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 21:13:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:13:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:13:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:13:41,350 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:13:41,350 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-18 21:13:41,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:13:41 BoogieIcfgContainer [2019-09-18 21:13:41,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:13:41,352 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:13:41,352 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:13:41,353 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:13:41,353 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:13:41" (1/1) ... [2019-09-18 21:13:41,354 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 21:13:41,375 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:13:41,375 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:13:41,382 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:13:41,395 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:13:41,398 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:13:41,563 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2019-09-18 21:13:41,639 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-18 21:13:42,225 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-18 21:13:42,326 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-18 21:13:42,477 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 37 [2019-09-18 21:13:45,327 WARN L191 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2019-09-18 21:13:52,376 WARN L191 SmtUtils]: Spent 6.82 s on a formula simplification. DAG size of input: 67 DAG size of output: 49 [2019-09-18 21:13:52,734 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-09-18 21:13:53,193 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 49 [2019-09-18 21:13:53,544 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-09-18 21:13:54,333 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 21:13:58,656 WARN L191 SmtUtils]: Spent 4.32 s on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 21:13:59,072 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-18 21:14:00,083 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 59 [2019-09-18 21:14:00,992 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 21:14:06,362 WARN L191 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 21:14:13,934 WARN L191 SmtUtils]: Spent 7.57 s on a formula simplification that was a NOOP. DAG size: 101 [2019-09-18 21:14:20,884 WARN L191 SmtUtils]: Spent 6.95 s on a formula simplification that was a NOOP. DAG size: 101 [2019-09-18 21:14:30,886 WARN L191 SmtUtils]: Spent 10.00 s on a formula simplification that was a NOOP. DAG size: 130 [2019-09-18 21:14:37,368 WARN L191 SmtUtils]: Spent 6.48 s on a formula simplification that was a NOOP. DAG size: 130 [2019-09-18 21:15:30,141 WARN L191 SmtUtils]: Spent 52.61 s on a formula simplification. DAG size of input: 160 DAG size of output: 143 [2019-09-18 21:16:12,938 WARN L191 SmtUtils]: Spent 42.80 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-18 21:16:13,134 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 37 [2019-09-18 21:16:13,359 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2019-09-18 21:16:16,274 WARN L191 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 137 DAG size of output: 37 [2019-09-18 21:16:18,657 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 67 DAG size of output: 49 [2019-09-18 21:16:21,651 WARN L191 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 67 DAG size of output: 49 [2019-09-18 21:16:21,892 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 21:16:28,249 WARN L191 SmtUtils]: Spent 6.36 s on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 21:16:30,779 WARN L191 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 62 DAG size of output: 59 [2019-09-18 21:16:31,491 WARN L191 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-18 21:16:45,167 WARN L191 SmtUtils]: Spent 13.67 s on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 21:16:45,837 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 21:16:47,194 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 101 [2019-09-18 21:16:50,455 WARN L191 SmtUtils]: Spent 3.26 s on a formula simplification that was a NOOP. DAG size: 101 [2019-09-18 21:17:38,420 WARN L191 SmtUtils]: Spent 47.84 s on a formula simplification. DAG size of input: 160 DAG size of output: 143 [2019-09-18 21:17:55,467 WARN L191 SmtUtils]: Spent 17.05 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-18 21:17:55,666 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 37 [2019-09-18 21:17:57,453 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2019-09-18 21:17:57,784 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 37 [2019-09-18 21:18:00,056 WARN L191 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 135 DAG size of output: 35 [2019-09-18 21:18:04,134 WARN L191 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 88 DAG size of output: 52 [2019-09-18 21:18:04,374 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-18 21:18:04,796 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-09-18 21:18:07,114 WARN L191 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 52 [2019-09-18 21:18:07,250 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 34 [2019-09-18 21:18:07,278 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 21:18:07,278 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 21:18:07,281 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 867#(and (and (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (= (mod (ite (and (not (= 0 (mod (mod main_~main__x~0 4294967296) 3))) (< (mod main_~main__x~0 4294967296) 0)) (+ (mod (mod main_~main__x~0 4294967296) 3) (- 3)) (mod (mod main_~main__x~0 4294967296) 3)) 4294967296) 0) 1 0) main_~__tmp_1~0) (= ~__tmp_93_0~0 ~__tmp_94_0~0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= ~__tmp_94_0~0 main_~main____CPAchecker_TMP_0~0) (= 0 (mod main_~main__y~0 4294967296))) (= main_~__VERIFIER_assert__cond~0 0)) [2019-09-18 21:18:07,294 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 21:18:07,294 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 21:18:07,296 INFO L168 Benchmark]: Toolchain (without parser) took 266793.72 ms. Allocated memory was 133.2 MB in the beginning and 310.9 MB in the end (delta: 177.7 MB). Free memory was 89.4 MB in the beginning and 285.1 MB in the end (delta: -195.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 21:18:07,297 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 133.2 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 21:18:07,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.76 ms. Allocated memory was 133.2 MB in the beginning and 198.7 MB in the end (delta: 65.5 MB). Free memory was 89.0 MB in the beginning and 175.6 MB in the end (delta: -86.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-18 21:18:07,299 INFO L168 Benchmark]: Boogie Preprocessor took 60.94 ms. Allocated memory is still 198.7 MB. Free memory was 175.6 MB in the beginning and 173.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-18 21:18:07,300 INFO L168 Benchmark]: RCFGBuilder took 340.15 ms. Allocated memory is still 198.7 MB. Free memory was 173.8 MB in the beginning and 157.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-09-18 21:18:07,300 INFO L168 Benchmark]: Sifa took 265942.23 ms. Allocated memory was 198.7 MB in the beginning and 310.9 MB in the end (delta: 112.2 MB). Free memory was 156.4 MB in the beginning and 285.1 MB in the end (delta: -128.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 21:18:07,304 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 133.2 MB. Free memory is still 107.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 446.76 ms. Allocated memory was 133.2 MB in the beginning and 198.7 MB in the end (delta: 65.5 MB). Free memory was 89.0 MB in the beginning and 175.6 MB in the end (delta: -86.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.94 ms. Allocated memory is still 198.7 MB. Free memory was 175.6 MB in the beginning and 173.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 340.15 ms. Allocated memory is still 198.7 MB. Free memory was 173.8 MB in the beginning and 157.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * Sifa took 265942.23 ms. Allocated memory was 198.7 MB in the beginning and 310.9 MB in the end (delta: 112.2 MB). Free memory was 156.4 MB in the beginning and 285.1 MB in the end (delta: -128.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 265906, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 183, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 168, TOOLS_POST_TIME[ms]: 257, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 28, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 4, TOOLS_QUANTIFIERELIM_APPLICATIONS: 171, TOOLS_QUANTIFIERELIM_TIME[ms]: 215, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 204, FLUID_YES_ANSWERS: 20, DOMAIN_JOIN_APPLICATIONS: 39, DOMAIN_JOIN_TIME[ms]: 244713, DOMAIN_ALPHA_APPLICATIONS: 20, DOMAIN_ALPHA_TIME[ms]: 267, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 20416, DOMAIN_ISSUBSETEQ_APPLICATIONS: 21, DOMAIN_ISSUBSETEQ_TIME[ms]: 35, DOMAIN_ISBOTTOM_APPLICATIONS: 16, DOMAIN_ISBOTTOM_TIME[ms]: 58, LOOP_SUMMARIZER_APPLICATIONS: 13, LOOP_SUMMARIZER_CACHE_MISSES: 13, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 191327, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 191326, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 21, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 95, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 269, DAG_COMPRESSION_RETAINED_NODES: 111 - UnprovableResult [Line: 97]: 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 867#(and (and (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (= (mod (ite (and (not (= 0 (mod (mod main_~main__x~0 4294967296) 3))) (< (mod main_~main__x~0 4294967296) 0)) (+ (mod (mod main_~main__x~0 4294967296) 3) (- 3)) (mod (mod main_~main__x~0 4294967296) 3)) 4294967296) 0) 1 0) main_~__tmp_1~0) (= ~__tmp_93_0~0 ~__tmp_94_0~0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= ~__tmp_94_0~0 main_~main____CPAchecker_TMP_0~0) (= 0 (mod main_~main__y~0 4294967296))) (= main_~__VERIFIER_assert__cond~0 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...