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 NONE -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 02:06:05,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:06:05,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:06:05,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:06:05,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:06:05,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:06:05,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:06:05,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:06:05,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:06:05,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:06:05,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:06:05,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:06:05,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:06:05,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:06:05,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:06:05,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:06:05,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:06:05,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:06:05,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:06:05,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:06:05,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:06:05,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:06:05,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:06:05,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:06:05,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-17 02:06:05,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:06:05,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:06:05,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:06:05,840 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 [2019-09-17 02:06:05,866 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:06:05,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:06:05,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:06:05,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:06:05,869 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:06:05,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:06:05,870 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:06:05,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:06:05,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:06:05,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:06:05,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:06:05,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:06:05,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:06:05,872 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:06:05,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:06:05,873 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:06:05,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:06:05,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:06:05,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:06:05,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:06:05,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:06:05,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:06:05,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:06:05,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:06:05,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:06:05,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:06:05,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:06:05,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:06:05,876 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 -> NONE [2019-09-17 02:06:05,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:06:05,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:06:05,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:06:05,948 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:06:05,949 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:06:05,949 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-09-17 02:06:06,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0abf92651/ed14c77623914cf2bf4f758a5b88dffb/FLAG606473f86 [2019-09-17 02:06:06,495 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:06:06,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-09-17 02:06:06,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0abf92651/ed14c77623914cf2bf4f758a5b88dffb/FLAG606473f86 [2019-09-17 02:06:06,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0abf92651/ed14c77623914cf2bf4f758a5b88dffb [2019-09-17 02:06:06,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:06:06,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:06:06,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:06:06,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:06:06,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:06:06,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:06:06" (1/1) ... [2019-09-17 02:06:06,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@370a3c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:06, skipping insertion in model container [2019-09-17 02:06:06,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:06:06" (1/1) ... [2019-09-17 02:06:06,875 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:06:06,899 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:06:07,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:06:07,115 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:06:07,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:06:07,246 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:06:07,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07 WrapperNode [2019-09-17 02:06:07,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:06:07,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:06:07,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:06:07,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:06:07,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:06:07,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:06:07,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:06:07,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:06:07,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:07" (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 [2019-09-17 02:06:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:06:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:06:07,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:06:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:06:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 02:06:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 02:06:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:06:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:06:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:06:07,633 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:06:07,633 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 02:06:07,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:06:07 BoogieIcfgContainer [2019-09-17 02:06:07,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:06:07,636 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:06:07,636 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:06:07,636 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:06:07,641 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:06:07" (1/1) ... [2019-09-17 02:06:07,641 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-17 02:06:07,672 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:06:07,673 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:06:07,680 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:06:07,688 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:06:07,689 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:06:07,769 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-09-17 02:06:10,319 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 02:06:10,319 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 02:06:10,322 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 425#(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))) [2019-09-17 02:06:10,342 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 02:06:10,343 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 02:06:10,346 INFO L168 Benchmark]: Toolchain (without parser) took 3486.59 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.8 MB in the beginning and 121.1 MB in the end (delta: -34.3 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:10,348 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 104.9 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. [2019-09-17 02:06:10,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.77 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.6 MB in the beginning and 176.9 MB in the end (delta: -90.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:10,351 INFO L168 Benchmark]: Boogie Preprocessor took 28.07 ms. Allocated memory is still 199.8 MB. Free memory was 176.9 MB in the beginning and 175.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:10,353 INFO L168 Benchmark]: RCFGBuilder took 358.72 ms. Allocated memory is still 199.8 MB. Free memory was 175.1 MB in the beginning and 159.2 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:10,354 INFO L168 Benchmark]: Sifa took 2707.17 ms. Allocated memory is still 199.8 MB. Free memory was 159.2 MB in the beginning and 121.1 MB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:10,371 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 104.9 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 388.77 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 86.6 MB in the beginning and 176.9 MB in the end (delta: -90.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.07 ms. Allocated memory is still 199.8 MB. Free memory was 176.9 MB in the beginning and 175.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 358.72 ms. Allocated memory is still 199.8 MB. Free memory was 175.1 MB in the beginning and 159.2 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * Sifa took 2707.17 ms. Allocated memory is still 199.8 MB. Free memory was 159.2 MB in the beginning and 121.1 MB in the end (delta: 38.1 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]: 2651, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 96, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 85, TOOLS_POST_TIME[ms]: 241, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 29, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 88, TOOLS_QUANTIFIERELIM_TIME[ms]: 200, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 103, FLUID_YES_ANSWERS: 11, DOMAIN_JOIN_APPLICATIONS: 28, DOMAIN_JOIN_TIME[ms]: 9, DOMAIN_ALPHA_APPLICATIONS: 11, DOMAIN_ALPHA_TIME[ms]: 80, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 2117, DOMAIN_ISBOTTOM_APPLICATIONS: 14, DOMAIN_ISBOTTOM_TIME[ms]: 65, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2504, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2503, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 7, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 23, 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 425#(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...