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 TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:43:33,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:43:33,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:43:33,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:43:33,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:43:33,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:43:33,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:43:33,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:43:33,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:43:33,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:43:33,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:43:33,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:43:33,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:43:33,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:43:33,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:43:33,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:43:33,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:43:33,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:43:33,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:43:33,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:43:33,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:43:33,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:43:33,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:43:33,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:43:33,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:43:33,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:43:33,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:43:33,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:43:33,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:43:33,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:43:33,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:43:33,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:43:33,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:43:33,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:43:33,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:43:33,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:43:33,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:43:33,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:43:33,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:43:33,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:43:33,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:43:33,305 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 15:43:33,320 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:43:33,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:43:33,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:43:33,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:43:33,322 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:43:33,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:43:33,322 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:43:33,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:43:33,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:43:33,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:43:33,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:43:33,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:43:33,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:43:33,324 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:43:33,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:43:33,324 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:43:33,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:43:33,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:43:33,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:43:33,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:43:33,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:43:33,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:43:33,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:43:33,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:43:33,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:43:33,326 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:43:33,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:43:33,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:43:33,327 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 -> 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 [2019-09-20 15:43:33,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:43:33,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:43:33,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:43:33,390 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:43:33,391 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:43:33,391 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-09-20 15:43:33,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2e8cea43/043afdf0a5674bdf98d92b646708a121/FLAGfae992dff [2019-09-20 15:43:33,916 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:43:33,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-09-20 15:43:33,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2e8cea43/043afdf0a5674bdf98d92b646708a121/FLAGfae992dff [2019-09-20 15:43:34,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2e8cea43/043afdf0a5674bdf98d92b646708a121 [2019-09-20 15:43:34,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:43:34,284 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:43:34,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:43:34,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:43:34,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:43:34,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:43:34" (1/1) ... [2019-09-20 15:43:34,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716f36dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:34, skipping insertion in model container [2019-09-20 15:43:34,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:43:34" (1/1) ... [2019-09-20 15:43:34,300 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:43:34,326 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:43:34,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:43:34,513 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:43:34,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:43:34,646 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:43:34,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:34 WrapperNode [2019-09-20 15:43:34,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:43:34,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:43:34,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:43:34,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:43:34,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:34" (1/1) ... [2019-09-20 15:43:34,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:34" (1/1) ... [2019-09-20 15:43:34,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:34" (1/1) ... [2019-09-20 15:43:34,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:34" (1/1) ... [2019-09-20 15:43:34,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:34" (1/1) ... [2019-09-20 15:43:34,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:34" (1/1) ... [2019-09-20 15:43:34,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:34" (1/1) ... [2019-09-20 15:43:34,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:43:34,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:43:34,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:43:34,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:43:34,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:43:34" (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 15:43:34,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:43:34,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:43:34,742 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:43:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:43:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:43:34,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 15:43:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:43:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:43:34,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:43:35,035 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:43:35,035 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 15:43:35,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:43:35 BoogieIcfgContainer [2019-09-20 15:43:35,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:43:35,037 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:43:35,038 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:43:35,038 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:43:35,039 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:43:35" (1/1) ... [2019-09-20 15:43:35,040 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:43:35,074 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:43:35,075 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:43:35,085 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:43:35,097 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:43:35,098 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:43:35,243 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-09-20 15:43:35,481 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 15:43:38,431 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:43:38,432 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:43:38,448 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 423#(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) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (= 0 (mod main_~main__y~0 4294967296))) [2019-09-20 15:43:38,470 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:43:38,471 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:43:38,474 INFO L168 Benchmark]: Toolchain (without parser) took 4188.69 ms. Allocated memory was 130.5 MB in the beginning and 218.6 MB in the end (delta: 88.1 MB). Free memory was 86.3 MB in the beginning and 147.3 MB in the end (delta: -61.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:38,475 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory is still 104.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:43:38,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.18 ms. Allocated memory was 130.5 MB in the beginning and 199.2 MB in the end (delta: 68.7 MB). Free memory was 85.9 MB in the beginning and 176.2 MB in the end (delta: -90.3 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:38,479 INFO L168 Benchmark]: Boogie Preprocessor took 29.24 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 173.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:38,480 INFO L168 Benchmark]: RCFGBuilder took 360.38 ms. Allocated memory is still 199.2 MB. Free memory was 173.9 MB in the beginning and 157.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:38,481 INFO L168 Benchmark]: Sifa took 3433.49 ms. Allocated memory was 199.2 MB in the beginning and 218.6 MB in the end (delta: 19.4 MB). Free memory was 157.6 MB in the beginning and 147.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:43:38,499 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 130.5 MB. Free memory is still 104.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 362.18 ms. Allocated memory was 130.5 MB in the beginning and 199.2 MB in the end (delta: 68.7 MB). Free memory was 85.9 MB in the beginning and 176.2 MB in the end (delta: -90.3 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.24 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 173.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 360.38 ms. Allocated memory is still 199.2 MB. Free memory was 173.9 MB in the beginning and 157.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * Sifa took 3433.49 ms. Allocated memory was 199.2 MB in the beginning and 218.6 MB in the end (delta: 19.4 MB). Free memory was 157.6 MB in the beginning and 147.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 29.7 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]: 3374, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 96, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 85, TOOLS_POST_TIME[ms]: 248, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 43, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 88, TOOLS_QUANTIFIERELIM_TIME[ms]: 219, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 103, FLUID_YES_ANSWERS: 11, DOMAIN_JOIN_APPLICATIONS: 28, DOMAIN_JOIN_TIME[ms]: 651, DOMAIN_ALPHA_APPLICATIONS: 11, DOMAIN_ALPHA_TIME[ms]: 115, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 75, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 2066, DOMAIN_ISBOTTOM_APPLICATIONS: 14, DOMAIN_ISBOTTOM_TIME[ms]: 41, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3107, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3106, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 56, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 56, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 28, DAG_COMPRESSION_PROCESSED_NODES: 137, DAG_COMPRESSION_RETAINED_NODES: 71 - UnprovableResult [Line: 95]: 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 423#(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) (<= 0 (+ main_~main____CPAchecker_TMP_0~1 2147483648)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (<= main_~main____CPAchecker_TMP_0~1 2147483647) (= 0 (mod main_~main__y~0 4294967296))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...