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-acceleration/simple_3-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:26:07,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:26:07,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:26:07,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:26:07,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:26:07,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:26:07,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:26:07,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:26:07,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:26:07,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:26:07,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:26:07,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:26:07,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:26:07,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:26:07,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:26:07,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:26:07,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:26:07,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:26:07,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:26:07,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:26:07,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:26:07,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:26:07,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:26:07,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:26:07,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:26:07,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:26:07,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:26:07,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:26:07,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:26:07,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:26:07,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:26:07,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:26:07,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:26:07,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:26:07,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:26:07,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:26:07,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:26:07,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:26:07,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:26:07,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:26:07,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:26:07,574 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 08:26:07,589 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:26:07,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:26:07,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:26:07,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:26:07,593 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:26:07,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:26:07,593 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:26:07,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:26:07,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:26:07,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:26:07,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:26:07,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:26:07,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:26:07,596 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:26:07,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:26:07,596 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:26:07,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:26:07,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:26:07,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:26:07,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:26:07,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:26:07,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:26:07,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:26:07,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:26:07,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:26:07,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:26:07,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:26:07,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:26:07,600 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 [2019-09-21 08:26:07,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:26:07,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:26:07,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:26:07,675 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:26:07,675 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:26:07,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-2.c [2019-09-21 08:26:07,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ec5f6b0/f57ed90b2af5409d951c2d35ffa601ba/FLAG71811da71 [2019-09-21 08:26:08,265 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:26:08,265 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-2.c [2019-09-21 08:26:08,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ec5f6b0/f57ed90b2af5409d951c2d35ffa601ba/FLAG71811da71 [2019-09-21 08:26:08,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ec5f6b0/f57ed90b2af5409d951c2d35ffa601ba [2019-09-21 08:26:08,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:26:08,625 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:26:08,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:26:08,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:26:08,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:26:08,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9039417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08, skipping insertion in model container [2019-09-21 08:26:08,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,640 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:26:08,654 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:26:08,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:26:08,819 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:26:08,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:26:08,852 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:26:08,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08 WrapperNode [2019-09-21 08:26:08,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:26:08,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:26:08,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:26:08,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:26:08,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (1/1) ... [2019-09-21 08:26:08,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:26:08,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:26:08,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:26:08,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:26:08,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:26:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:26:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:26:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:26:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 08:26:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:26:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:26:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-21 08:26:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 08:26:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:26:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:26:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:26:09,188 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:26:09,188 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 08:26:09,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:26:09 BoogieIcfgContainer [2019-09-21 08:26:09,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:26:09,190 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:26:09,190 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:26:09,191 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:26:09,192 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:26:09" (1/1) ... [2019-09-21 08:26:09,193 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 [2019-09-21 08:26:09,211 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:26:09,211 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:26:09,218 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:26:09,227 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:26:09,229 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:26:09,311 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 08:26:13,556 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 22 for LOIs [2019-09-21 08:26:13,565 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:26:13,566 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:26:13,568 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 32#(and (exists ((v_main_~x~0_BEFORE_CALL_1 Int) (v_main_~N~0_BEFORE_CALL_1 Int)) (or (= |__VERIFIER_assert_#in~cond| 1) (and (= |__VERIFIER_assert_#in~cond| 0) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0)) (not (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) (mod v_main_~N~0_BEFORE_CALL_1 65536)))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-21 08:26:15,615 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:26:15,615 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:26:15,618 INFO L168 Benchmark]: Toolchain (without parser) took 6991.73 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 84.8 MB in the beginning and 150.1 MB in the end (delta: -65.3 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:15,619 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 129.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-21 08:26:15,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.22 ms. Allocated memory is still 129.5 MB. Free memory was 84.6 MB in the beginning and 75.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:15,622 INFO L168 Benchmark]: Boogie Preprocessor took 109.72 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 75.4 MB in the beginning and 174.4 MB in the end (delta: -99.0 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:15,623 INFO L168 Benchmark]: RCFGBuilder took 226.03 ms. Allocated memory is still 197.7 MB. Free memory was 174.4 MB in the beginning and 162.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:15,623 INFO L168 Benchmark]: Sifa took 6425.24 ms. Allocated memory is still 197.7 MB. Free memory was 162.8 MB in the beginning and 150.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:26:15,627 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 129.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 227.22 ms. Allocated memory is still 129.5 MB. Free memory was 84.6 MB in the beginning and 75.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.72 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 75.4 MB in the beginning and 174.4 MB in the end (delta: -99.0 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 226.03 ms. Allocated memory is still 197.7 MB. Free memory was 174.4 MB in the beginning and 162.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Sifa took 6425.24 ms. Allocated memory is still 197.7 MB. Free memory was 162.8 MB in the beginning and 150.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 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]: 4357, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 13, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 26, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 4125, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 4139, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 4116, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 16, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME[ms]: 77, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 34, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 28, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 109, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 108, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 43, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 43, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 42, DAG_COMPRESSION_RETAINED_NODES: 28 - UnprovableResult [Line: 6]: 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 32#(and (exists ((v_main_~x~0_BEFORE_CALL_1 Int) (v_main_~N~0_BEFORE_CALL_1 Int)) (or (= |__VERIFIER_assert_#in~cond| 1) (and (= |__VERIFIER_assert_#in~cond| 0) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) 0)) (not (= (mod v_main_~x~0_BEFORE_CALL_1 2) 0)) (not (< (mod v_main_~x~0_BEFORE_CALL_1 4294967296) (mod v_main_~N~0_BEFORE_CALL_1 65536)))))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) Final emptiness check over-approximated again to 33#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...