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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/nla-digbench/ps3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:23:08,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:23:08,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:23:08,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:23:08,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:23:08,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:23:08,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:23:08,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:23:08,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:23:08,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:23:08,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:23:08,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:23:08,644 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:23:08,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:23:08,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:23:08,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:23:08,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:23:08,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:23:08,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:23:08,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:23:08,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:23:08,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:23:08,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:23:08,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:23:08,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:23:08,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:23:08,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:23:08,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:23:08,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:23:08,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:23:08,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:23:08,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:23:08,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:23:08,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:23:08,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:23:08,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:23:08,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:23:08,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:23:08,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:23:08,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:23:08,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:23:08,671 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 17:23:08,686 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:23:08,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:23:08,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:23:08,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:23:08,688 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:23:08,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:23:08,689 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:23:08,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:23:08,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:23:08,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:23:08,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:23:08,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:23:08,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:23:08,690 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:23:08,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:23:08,690 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:23:08,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:23:08,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:23:08,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:23:08,691 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:23:08,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:23:08,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:23:08,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:23:08,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:23:08,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:23:08,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:23:08,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:23:08,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:23:08,693 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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_DDA [2019-09-20 17:23:08,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:23:08,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:23:08,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:23:08,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:23:08,742 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:23:08,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/ps3.c [2019-09-20 17:23:08,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5af69d6bb/877724c4b33243c791e1fc45576ed406/FLAGe4ba1c304 [2019-09-20 17:23:09,226 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:23:09,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/ps3.c [2019-09-20 17:23:09,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5af69d6bb/877724c4b33243c791e1fc45576ed406/FLAGe4ba1c304 [2019-09-20 17:23:09,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5af69d6bb/877724c4b33243c791e1fc45576ed406 [2019-09-20 17:23:09,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:23:09,661 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:23:09,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:23:09,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:23:09,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:23:09,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:23:09" (1/1) ... [2019-09-20 17:23:09,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666f99b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:09, skipping insertion in model container [2019-09-20 17:23:09,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:23:09" (1/1) ... [2019-09-20 17:23:09,677 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:23:09,693 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:23:09,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:23:09,862 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:23:09,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:23:09,898 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:23:09,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:09 WrapperNode [2019-09-20 17:23:09,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:23:09,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:23:09,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:23:09,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:23:10,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:09" (1/1) ... [2019-09-20 17:23:10,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:09" (1/1) ... [2019-09-20 17:23:10,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:09" (1/1) ... [2019-09-20 17:23:10,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:09" (1/1) ... [2019-09-20 17:23:10,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:09" (1/1) ... [2019-09-20 17:23:10,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:09" (1/1) ... [2019-09-20 17:23:10,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:09" (1/1) ... [2019-09-20 17:23:10,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:23:10,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:23:10,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:23:10,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:23:10,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:23:09" (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 17:23:10,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:23:10,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:23:10,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 17:23:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:23:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:23:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:23:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 17:23:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 17:23:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:23:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:23:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:23:10,321 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:23:10,321 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 17:23:10,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:23:10 BoogieIcfgContainer [2019-09-20 17:23:10,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:23:10,323 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:23:10,323 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:23:10,324 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:23:10,325 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:23:10" (1/1) ... [2019-09-20 17:23:10,326 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:23:10,387 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:23:10,387 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:23:10,402 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:23:10,425 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:23:10,431 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:23:10,524 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-20 17:23:11,350 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-20 17:23:11,668 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 42 [2019-09-20 17:23:11,944 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-20 17:23:12,137 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-20 17:23:12,335 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 72 [2019-09-20 17:23:12,641 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-20 17:23:12,828 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-20 17:23:13,054 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-20 17:23:13,081 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:23:13,081 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:23:13,083 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 111#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-20 17:23:13,093 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:23:13,093 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:23:13,095 INFO L168 Benchmark]: Toolchain (without parser) took 3433.87 ms. Allocated memory was 143.1 MB in the beginning and 252.2 MB in the end (delta: 109.1 MB). Free memory was 90.3 MB in the beginning and 176.5 MB in the end (delta: -86.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:13,095 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 17:23:13,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.46 ms. Allocated memory is still 143.1 MB. Free memory was 89.9 MB in the beginning and 80.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:13,097 INFO L168 Benchmark]: Boogie Preprocessor took 180.94 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 80.5 MB in the beginning and 177.9 MB in the end (delta: -97.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:13,098 INFO L168 Benchmark]: RCFGBuilder took 241.92 ms. Allocated memory is still 200.8 MB. Free memory was 177.9 MB in the beginning and 166.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:13,099 INFO L168 Benchmark]: Sifa took 2770.03 ms. Allocated memory was 200.8 MB in the beginning and 252.2 MB in the end (delta: 51.4 MB). Free memory was 166.5 MB in the beginning and 176.5 MB in the end (delta: -10.0 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. [2019-09-20 17:23:13,103 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 237.46 ms. Allocated memory is still 143.1 MB. Free memory was 89.9 MB in the beginning and 80.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 180.94 ms. Allocated memory was 143.1 MB in the beginning and 200.8 MB in the end (delta: 57.7 MB). Free memory was 80.5 MB in the beginning and 177.9 MB in the end (delta: -97.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 241.92 ms. Allocated memory is still 200.8 MB. Free memory was 177.9 MB in the beginning and 166.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Sifa took 2770.03 ms. Allocated memory was 200.8 MB in the beginning and 252.2 MB in the end (delta: 51.4 MB). Free memory was 166.5 MB in the beginning and 176.5 MB in the end (delta: -10.0 MB). Peak memory consumption was 41.4 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]: 2699, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 36, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 25, TOOLS_POST_TIME[ms]: 65, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME[ms]: 87, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 20, TOOLS_QUANTIFIERELIM_APPLICATIONS: 42, TOOLS_QUANTIFIERELIM_TIME[ms]: 137, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 41, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 1409, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 972, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2357, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2356, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 106, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 106, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 11, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 69, DAG_COMPRESSION_RETAINED_NODES: 36 - UnprovableResult [Line: 7]: 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 111#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...