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-invgen/down.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 11:14:59,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 11:14:59,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 11:14:59,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 11:14:59,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 11:14:59,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 11:14:59,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 11:14:59,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 11:14:59,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 11:14:59,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 11:14:59,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 11:14:59,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 11:14:59,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 11:14:59,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 11:14:59,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 11:14:59,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 11:14:59,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 11:14:59,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 11:14:59,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 11:14:59,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 11:14:59,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 11:14:59,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 11:14:59,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 11:14:59,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 11:14:59,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 11:14:59,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 11:14:59,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 11:14:59,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 11:14:59,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 11:14:59,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 11:14:59,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 11:14:59,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 11:14:59,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 11:14:59,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 11:14:59,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 11:14:59,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 11:14:59,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 11:14:59,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 11:14:59,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 11:14:59,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 11:14:59,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 11:14:59,851 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 11:14:59,865 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 11:14:59,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 11:14:59,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 11:14:59,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 11:14:59,867 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 11:14:59,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 11:14:59,868 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 11:14:59,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 11:14:59,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 11:14:59,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 11:14:59,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 11:14:59,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 11:14:59,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 11:14:59,869 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 11:14:59,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 11:14:59,869 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 11:14:59,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 11:14:59,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 11:14:59,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 11:14:59,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 11:14:59,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 11:14:59,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 11:14:59,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 11:14:59,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 11:14:59,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 11:14:59,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 11:14:59,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 11:14:59,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 11:14:59,872 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 11:14:59,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 11:14:59,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 11:14:59,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 11:14:59,925 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 11:14:59,925 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 11:14:59,926 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/down.i [2019-09-05 11:14:59,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69fcc9a22/e0a2e6ae60e8416b85fe5564e0733344/FLAGaef6803e6 [2019-09-05 11:15:00,464 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 11:15:00,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/down.i [2019-09-05 11:15:00,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69fcc9a22/e0a2e6ae60e8416b85fe5564e0733344/FLAGaef6803e6 [2019-09-05 11:15:00,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69fcc9a22/e0a2e6ae60e8416b85fe5564e0733344 [2019-09-05 11:15:00,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 11:15:00,883 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 11:15:00,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 11:15:00,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 11:15:00,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 11:15:00,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:15:00" (1/1) ... [2019-09-05 11:15:00,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f61ecf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:00, skipping insertion in model container [2019-09-05 11:15:00,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 11:15:00" (1/1) ... [2019-09-05 11:15:00,901 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 11:15:00,915 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 11:15:01,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:15:01,103 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 11:15:01,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 11:15:01,132 INFO L192 MainTranslator]: Completed translation [2019-09-05 11:15:01,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:01 WrapperNode [2019-09-05 11:15:01,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 11:15:01,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 11:15:01,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 11:15:01,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 11:15:01,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:01" (1/1) ... [2019-09-05 11:15:01,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:01" (1/1) ... [2019-09-05 11:15:01,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:01" (1/1) ... [2019-09-05 11:15:01,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:01" (1/1) ... [2019-09-05 11:15:01,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:01" (1/1) ... [2019-09-05 11:15:01,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:01" (1/1) ... [2019-09-05 11:15:01,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:01" (1/1) ... [2019-09-05 11:15:01,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 11:15:01,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 11:15:01,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 11:15:01,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 11:15:01,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 11:15:01" (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 11:15:01,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 11:15:01,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 11:15:01,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 11:15:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 11:15:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 11:15:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 11:15:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 11:15:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 11:15:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 11:15:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 11:15:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 11:15:01,540 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 11:15:01,541 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-05 11:15:01,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:15:01 BoogieIcfgContainer [2019-09-05 11:15:01,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 11:15:01,543 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 11:15:01,543 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 11:15:01,543 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 11:15:01,544 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 11:15:01" (1/1) ... [2019-09-05 11:15:01,545 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 11:15:01,571 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 11:15:01,572 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 11:15:01,583 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 11:15:01,596 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 11:15:01,599 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 11:15:01,690 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-05 11:15:01,809 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-05 11:15:01,812 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 11:15:01,812 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 11:15:01,814 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 11:15:01,827 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 11:15:01,828 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 11:15:01,830 INFO L168 Benchmark]: Toolchain (without parser) took 946.41 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.5 MB in the beginning and 152.9 MB in the end (delta: -68.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 11:15:01,831 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 11:15:01,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.31 ms. Allocated memory is still 137.9 MB. Free memory was 84.3 MB in the beginning and 75.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:01,833 INFO L168 Benchmark]: Boogie Preprocessor took 118.83 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 75.0 MB in the beginning and 174.8 MB in the end (delta: -99.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:01,834 INFO L168 Benchmark]: RCFGBuilder took 289.98 ms. Allocated memory is still 198.2 MB. Free memory was 174.8 MB in the beginning and 163.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:01,835 INFO L168 Benchmark]: Sifa took 285.16 ms. Allocated memory is still 198.2 MB. Free memory was 163.4 MB in the beginning and 152.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-05 11:15:01,839 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 248.31 ms. Allocated memory is still 137.9 MB. Free memory was 84.3 MB in the beginning and 75.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.83 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 75.0 MB in the beginning and 174.8 MB in the end (delta: -99.8 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 289.98 ms. Allocated memory is still 198.2 MB. Free memory was 174.8 MB in the beginning and 163.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Sifa took 285.16 ms. Allocated memory is still 198.2 MB. Free memory was 163.4 MB in the beginning and 152.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 243 OVERALL_TIME[ms], 3 ICFG_INTERPRETER_ENTERED_PROCEDURES, 27 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 20 TOOLS_POST_APPLICATIONS, 25 TOOLS_POST_TIME[ms], 5 TOOLS_POST_CALL_APPLICATIONS, 31 TOOLS_POST_CALL_TIME[ms], 3 TOOLS_POST_RETURN_APPLICATIONS, 9 TOOLS_POST_RETURN_TIME[ms], 44 TOOLS_QUANTIFIERELIM_TIME[ms], 9 FLUID_QUERY_TIME[ms], 31 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 9 DOMAIN_JOIN_APPLICATIONS, 36 DOMAIN_JOIN_TIME[ms], 0 DOMAIN_ALPHA_APPLICATIONS, 0 DOMAIN_ALPHA_TIME[ms], 2 DOMAIN_WIDEN_APPLICATIONS, 5 DOMAIN_WIDEN_TIME[ms], 5 DOMAIN_ISSUBSETEQ_APPLICATIONS, 13 DOMAIN_ISSUBSETEQ_TIME[ms], 2 DOMAIN_ISBOTTOM_APPLICATIONS, 5 DOMAIN_ISBOTTOM_TIME[ms], 2 LOOP_SUMMARIZER_APPLICATIONS, 2 LOOP_SUMMARIZER_CACHE_MISSES, 85 LOOP_SUMMARIZER_OVERALL_TIME[ms], 84 LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 4 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 3 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 39 CALL_SUMMARIZER_OVERALL_TIME[ms], 0 CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms], 6 PROCEDURE_GRAPH_BUILDER_TIME[ms], 5 PATH_EXPR_TIME[ms], 5 REGEX_TO_DAG_TIME[ms], 34 DAG_COMPRESSION_TIME[ms], 75 DAG_COMPRESSION_PROCESSED_NODES, 43 DAG_COMPRESSION_RETAINED_NODES - 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 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...