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 IntervalDomain -i ../../../trunk/examples/svcomp/loop-new/gauss_sum.i.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:08:00,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:08:00,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:08:00,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:08:00,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:08:00,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:08:00,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:08:00,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:08:00,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:08:00,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:08:00,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:08:00,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:08:00,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:08:00,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:08:00,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:08:00,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:08:00,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:08:00,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:08:00,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:08:00,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:08:00,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:08:00,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:08:00,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:08:00,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:08:00,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 09:08:00,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:08:00,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:08:00,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:08:00,771 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 [2019-09-06 09:08:00,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:08:00,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:08:00,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:08:00,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:08:00,802 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:08:00,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:08:00,802 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:08:00,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:08:00,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:08:00,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:08:00,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:08:00,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:08:00,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:08:00,803 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:08:00,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:08:00,804 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:08:00,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:08:00,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:08:00,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:08:00,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:08:00,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:08:00,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:08:00,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:08:00,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:08:00,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:08:00,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:08:00,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:08:00,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:08:00,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 09:08:00,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:08:00,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:08:00,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:08:00,874 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:08:00,874 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:08:00,875 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i.p+lhb-reducer.c [2019-09-06 09:08:00,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20a36eed0/81f132811a1042babc16e94e9482336e/FLAGf241fb244 [2019-09-06 09:08:01,425 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:08:01,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.p+lhb-reducer.c [2019-09-06 09:08:01,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20a36eed0/81f132811a1042babc16e94e9482336e/FLAGf241fb244 [2019-09-06 09:08:01,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20a36eed0/81f132811a1042babc16e94e9482336e [2019-09-06 09:08:01,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:08:01,806 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:08:01,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:08:01,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:08:01,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:08:01,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:08:01" (1/1) ... [2019-09-06 09:08:01,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7416e802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:01, skipping insertion in model container [2019-09-06 09:08:01,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:08:01" (1/1) ... [2019-09-06 09:08:01,821 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:08:01,844 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:08:02,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:08:02,041 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:08:02,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:08:02,076 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:08:02,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:02 WrapperNode [2019-09-06 09:08:02,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:08:02,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:08:02,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:08:02,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:08:02,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:02" (1/1) ... [2019-09-06 09:08:02,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:02" (1/1) ... [2019-09-06 09:08:02,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:02" (1/1) ... [2019-09-06 09:08:02,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:02" (1/1) ... [2019-09-06 09:08:02,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:02" (1/1) ... [2019-09-06 09:08:02,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:02" (1/1) ... [2019-09-06 09:08:02,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:02" (1/1) ... [2019-09-06 09:08:02,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:08:02,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:08:02,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:08:02,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:08:02,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:08:02" (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 [2019-09-06 09:08:02,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:08:02,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:08:02,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:08:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:08:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 09:08:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 09:08:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 09:08:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:08:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:08:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:08:02,478 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:08:02,478 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 09:08:02,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:08:02 BoogieIcfgContainer [2019-09-06 09:08:02,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:08:02,481 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:08:02,482 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:08:02,482 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:08:02,484 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:08:02" (1/1) ... [2019-09-06 09:08:02,485 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 09:08:02,527 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 09:08:02,527 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:08:02,534 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:08:02,548 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:08:02,550 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:08:02,640 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 10 for LOIs [2019-09-06 09:08:02,715 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:08:02,715 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:08:02,717 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 25#(and (<= 0 |old(~__return_96~0)|) (<= |old(~__return_96~0)| 0) (<= 15 main_~main__sum~0) (<= ~__return_96~0 0) (<= 6 main_~main__i~0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_main~0) (<= 0 ~__return_96~0) (<= ~__return_main~0 0) (<= main_~main__n~0 1000) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= 5 main_~main__n~0)) [2019-09-06 09:08:02,730 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:08:02,731 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:08:02,733 INFO L168 Benchmark]: Toolchain (without parser) took 926.42 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 91.3 MB in the beginning and 153.7 MB in the end (delta: -62.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-06 09:08:02,734 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-06 09:08:02,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.14 ms. Allocated memory is still 134.7 MB. Free memory was 91.1 MB in the beginning and 81.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-06 09:08:02,736 INFO L168 Benchmark]: Boogie Preprocessor took 114.61 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 81.3 MB in the beginning and 176.9 MB in the end (delta: -95.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-09-06 09:08:02,737 INFO L168 Benchmark]: RCFGBuilder took 288.58 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 163.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-09-06 09:08:02,738 INFO L168 Benchmark]: Sifa took 249.27 ms. Allocated memory is still 200.3 MB. Free memory was 163.7 MB in the beginning and 153.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-06 09:08:02,741 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 270.14 ms. Allocated memory is still 134.7 MB. Free memory was 91.1 MB in the beginning and 81.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.61 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 81.3 MB in the beginning and 176.9 MB in the end (delta: -95.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 288.58 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 163.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Sifa took 249.27 ms. Allocated memory is still 200.3 MB. Free memory was 163.7 MB in the beginning and 153.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 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]: 191, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 18, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 15, TOOLS_POST_TIME[ms]: 31, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 17, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_TIME[ms]: 35, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 20, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 26, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 36, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 35, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 22, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 12, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 94, DAG_COMPRESSION_RETAINED_NODES: 36 - UnprovableResult [Line: 64]: 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 25#(and (<= 0 |old(~__return_96~0)|) (<= |old(~__return_96~0)| 0) (<= 15 main_~main__sum~0) (<= ~__return_96~0 0) (<= 6 main_~main__i~0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_main~0) (<= 0 ~__return_96~0) (<= ~__return_main~0 0) (<= main_~main__n~0 1000) (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= 5 main_~main__n~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...