/usr/bin/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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loop-new/count_by_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:10:39,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:10:39,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:10:39,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:10:39,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:10:39,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:10:39,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:10:39,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:10:39,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:10:39,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:10:39,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:10:39,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:10:39,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:10:39,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:10:39,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:10:39,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:10:39,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:10:39,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:10:39,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:10:39,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:10:39,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:10:39,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:10:39,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:10:39,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:10:39,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:10:39,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:10:39,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:10:39,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:10:39,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:10:39,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:10:39,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:10:39,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:10:39,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:10:39,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:10:39,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:10:39,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:10:39,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:10:39,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:10:39,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:10:39,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:10:39,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:10:39,556 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 [2019-11-07 10:10:39,590 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:10:39,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:10:39,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:10:39,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:10:39,596 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:10:39,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:10:39,596 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:10:39,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:10:39,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:10:39,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:10:39,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:10:39,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:10:39,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:10:39,599 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:10:39,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:10:39,600 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:10:39,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:10:39,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:10:39,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:10:39,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:10:39,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:10:39,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:10:39,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:10:39,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:10:39,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:10:39,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:10:39,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:10:39,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:10:39,604 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: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:10:39,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:10:39,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:10:39,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:10:39,894 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:10:39,894 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:10:39,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/count_by_1.i [2019-11-07 10:10:39,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3784ff085/6ee4a728445745a6aa1dc962fbe021b9/FLAGb7cd1278c [2019-11-07 10:10:40,385 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:10:40,386 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/count_by_1.i [2019-11-07 10:10:40,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3784ff085/6ee4a728445745a6aa1dc962fbe021b9/FLAGb7cd1278c [2019-11-07 10:10:40,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3784ff085/6ee4a728445745a6aa1dc962fbe021b9 [2019-11-07 10:10:40,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:10:40,822 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:10:40,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:10:40,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:10:40,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:10:40,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:10:40" (1/1) ... [2019-11-07 10:10:40,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cac5ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:40, skipping insertion in model container [2019-11-07 10:10:40,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:10:40" (1/1) ... [2019-11-07 10:10:40,841 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:10:40,857 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:10:41,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:10:41,016 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:10:41,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:10:41,039 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:10:41,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:41 WrapperNode [2019-11-07 10:10:41,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:10:41,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:10:41,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:10:41,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:10:41,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:41" (1/1) ... [2019-11-07 10:10:41,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:41" (1/1) ... [2019-11-07 10:10:41,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:41" (1/1) ... [2019-11-07 10:10:41,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:41" (1/1) ... [2019-11-07 10:10:41,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:41" (1/1) ... [2019-11-07 10:10:41,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:41" (1/1) ... [2019-11-07 10:10:41,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:41" (1/1) ... [2019-11-07 10:10:41,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:10:41,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:10:41,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:10:41,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:10:41,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:10:41" (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 [2019-11-07 10:10:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:10:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:10:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 10:10:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:10:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:10:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 10:10:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 10:10:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:10:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:10:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:10:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:10:41,398 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:10:41,399 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 10:10:41,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:10:41 BoogieIcfgContainer [2019-11-07 10:10:41,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:10:41,401 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:10:41,401 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:10:41,401 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:10:41,408 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:10:41" (1/1) ... [2019-11-07 10:10:41,409 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:10:41,457 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:10:41,457 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:10:41,467 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:10:41,493 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:10:41,495 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:10:41,544 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-11-07 10:10:41,665 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-11-07 10:10:41,669 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:10:41,683 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:10:41,684 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:10:41,686 INFO L168 Benchmark]: Toolchain (without parser) took 863.91 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 104.7 MB in the beginning and 162.6 MB in the end (delta: -57.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 10:10:41,687 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 10:10:41,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.45 ms. Allocated memory is still 147.8 MB. Free memory was 104.5 MB in the beginning and 95.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:41,689 INFO L168 Benchmark]: Boogie Preprocessor took 110.07 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 95.0 MB in the beginning and 184.4 MB in the end (delta: -89.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:41,690 INFO L168 Benchmark]: RCFGBuilder took 249.73 ms. Allocated memory is still 205.0 MB. Free memory was 184.4 MB in the beginning and 172.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:41,691 INFO L168 Benchmark]: Sifa took 282.81 ms. Allocated memory is still 205.0 MB. Free memory was 172.8 MB in the beginning and 162.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:10:41,695 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.8 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 217.45 ms. Allocated memory is still 147.8 MB. Free memory was 104.5 MB in the beginning and 95.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.07 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 95.0 MB in the beginning and 184.4 MB in the end (delta: -89.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 249.73 ms. Allocated memory is still 205.0 MB. Free memory was 184.4 MB in the beginning and 172.8 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Sifa took 282.81 ms. Allocated memory is still 205.0 MB. Free memory was 172.8 MB in the beginning and 162.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 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]: 213, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 0, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 9, TOOLS_POST_TIME[ms]: 19, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 15, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 13, TOOLS_QUANTIFIERELIM_TIME[ms]: 26, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 9, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 21, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 79, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 106, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 105, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 45, DAG_COMPRESSION_RETAINED_NODES: 29 - UnprovableResult [Line: 5]: 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 27#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 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...