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-acceleration/phases_2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 11:14:46,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 11:14:46,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 11:14:46,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 11:14:46,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 11:14:46,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 11:14:46,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 11:14:46,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 11:14:46,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 11:14:46,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 11:14:46,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 11:14:46,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 11:14:46,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 11:14:46,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 11:14:46,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 11:14:46,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 11:14:46,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 11:14:46,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 11:14:46,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 11:14:46,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 11:14:46,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 11:14:46,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 11:14:46,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 11:14:46,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 11:14:46,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 11:14:46,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 11:14:46,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 11:14:46,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 11:14:46,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 11:14:46,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 11:14:46,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 11:14:46,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 11:14:46,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 11:14:46,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 11:14:46,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 11:14:46,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 11:14:46,551 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 [2019-09-05 11:14:46,566 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 11:14:46,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 11:14:46,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 11:14:46,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 11:14:46,568 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 11:14:46,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 11:14:46,569 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 11:14:46,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 11:14:46,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 11:14:46,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 11:14:46,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 11:14:46,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 11:14:46,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 11:14:46,570 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 11:14:46,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 11:14:46,571 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 11:14:46,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 11:14:46,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 11:14:46,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 11:14:46,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 11:14:46,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 11:14:46,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 11:14:46,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 11:14:46,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 11:14:46,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 11:14:46,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 11:14:46,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 11:14:46,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 11:14:46,574 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 [2019-09-05 11:14:46,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 11:14:46,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 11:14:46,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 11:14:46,637 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 11:14:46,638 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 11:14:46,639 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/phases_2-1.c [2019-09-05 11:14:46,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/878420459/4d2b696c902646239cf27c1ee8f282dd/FLAG96daf5c18 [2019-09-05 11:14:47,178 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 11:14:47,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/phases_2-1.c [2019-09-05 11:14:47,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/878420459/4d2b696c902646239cf27c1ee8f282dd/FLAG96daf5c18 [2019-09-05 11:14:47,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/878420459/4d2b696c902646239cf27c1ee8f282dd [2019-09-05 11:14:47,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 11:14:47,594 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 11:14:47,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 11:14:47,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 11:14:47,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 11:14:47,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:14:47" (1/1) ... [2019-09-05 11:14:47,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350286e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:47, skipping insertion in model container [2019-09-05 11:14:47,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:14:47" (1/1) ... [2019-09-05 11:14:47,611 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 11:14:47,629 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 11:14:47,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:14:47,801 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 11:14:47,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:14:47,829 INFO L192 MainTranslator]: Completed translation [2019-09-05 11:14:47,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:47 WrapperNode [2019-09-05 11:14:47,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 11:14:47,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 11:14:47,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 11:14:47,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 11:14:47,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:47" (1/1) ... [2019-09-05 11:14:47,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:47" (1/1) ... [2019-09-05 11:14:47,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:47" (1/1) ... [2019-09-05 11:14:47,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:47" (1/1) ... [2019-09-05 11:14:47,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:47" (1/1) ... [2019-09-05 11:14:47,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:47" (1/1) ... [2019-09-05 11:14:47,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:47" (1/1) ... [2019-09-05 11:14:47,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 11:14:47,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 11:14:47,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 11:14:47,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 11:14:47,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:14:47" (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 [2019-09-05 11:14:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 11:14:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 11:14:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 11:14:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 11:14:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 11:14:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 11:14:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-05 11:14:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 11:14:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 11:14:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 11:14:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 11:14:48,218 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 11:14:48,218 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 11:14:48,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:14:48 BoogieIcfgContainer [2019-09-05 11:14:48,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 11:14:48,220 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 11:14:48,221 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 11:14:48,221 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 11:14:48,222 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:14:48" (1/1) ... [2019-09-05 11:14:48,223 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 [2019-09-05 11:14:48,266 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 11:14:48,279 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 11:14:48,292 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 11:14:48,314 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 11:14:48,315 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 11:14:48,382 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-05 11:14:48,652 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-05 11:14:48,658 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 11:14:48,660 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 11:14:48,663 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 42#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)) [2019-09-05 11:14:48,682 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 11:14:48,683 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 11:14:48,687 INFO L168 Benchmark]: Toolchain (without parser) took 1090.15 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 86.6 MB in the beginning and 145.3 MB in the end (delta: -58.7 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:48,688 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 11:14:48,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.13 ms. Allocated memory is still 138.9 MB. Free memory was 86.4 MB in the beginning and 77.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:48,692 INFO L168 Benchmark]: Boogie Preprocessor took 124.51 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 77.2 MB in the beginning and 176.9 MB in the end (delta: -99.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:48,692 INFO L168 Benchmark]: RCFGBuilder took 265.09 ms. Allocated memory is still 199.8 MB. Free memory was 176.9 MB in the beginning and 165.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:48,694 INFO L168 Benchmark]: Sifa took 462.33 ms. Allocated memory is still 199.8 MB. Free memory was 165.4 MB in the beginning and 145.3 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-09-05 11:14:48,710 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 138.9 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 234.13 ms. Allocated memory is still 138.9 MB. Free memory was 86.4 MB in the beginning and 77.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.51 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 77.2 MB in the beginning and 176.9 MB in the end (delta: -99.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 265.09 ms. Allocated memory is still 199.8 MB. Free memory was 176.9 MB in the beginning and 165.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Sifa took 462.33 ms. Allocated memory is still 199.8 MB. Free memory was 165.4 MB in the beginning and 145.3 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 398 OVERALL_TIME[ms], 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 30 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 22 TOOLS_POST_APPLICATIONS, 134 TOOLS_POST_TIME[ms], 3 TOOLS_POST_CALL_APPLICATIONS, 14 TOOLS_POST_CALL_TIME[ms], 1 TOOLS_POST_RETURN_APPLICATIONS, 0 TOOLS_POST_RETURN_TIME[ms], 132 TOOLS_QUANTIFIERELIM_TIME[ms], 4 FLUID_QUERY_TIME[ms], 33 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 12 DOMAIN_JOIN_APPLICATIONS, 87 DOMAIN_JOIN_TIME[ms], 0 DOMAIN_ALPHA_APPLICATIONS, 0 DOMAIN_ALPHA_TIME[ms], 2 DOMAIN_WIDEN_APPLICATIONS, 1 DOMAIN_WIDEN_TIME[ms], 3 DOMAIN_ISSUBSETEQ_APPLICATIONS, 5 DOMAIN_ISSUBSETEQ_TIME[ms], 6 DOMAIN_ISBOTTOM_APPLICATIONS, 22 DOMAIN_ISBOTTOM_TIME[ms], 1 LOOP_SUMMARIZER_APPLICATIONS, 1 LOOP_SUMMARIZER_CACHE_MISSES, 173 LOOP_SUMMARIZER_OVERALL_TIME[ms], 173 LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 3 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 1 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 12 CALL_SUMMARIZER_OVERALL_TIME[ms], 0 CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 5 PROCEDURE_GRAPH_BUILDER_TIME[ms], 6 PATH_EXPR_TIME[ms], 4 REGEX_TO_DAG_TIME[ms], 25 DAG_COMPRESSION_TIME[ms], 72 DAG_COMPRESSION_PROCESSED_NODES, 43 DAG_COMPRESSION_RETAINED_NODES - 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 42#(and (<= __VERIFIER_assert_~cond 0) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...