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_QUICK -i ../../../trunk/examples/svcomp/loop-acceleration/array_1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:48:23,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:48:23,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:48:23,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:48:23,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:48:23,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:48:23,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:48:23,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:48:23,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:48:23,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:48:23,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:48:23,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:48:23,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:48:23,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:48:23,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:48:23,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:48:23,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:48:23,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:48:23,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:48:23,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:48:23,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:48:23,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:48:23,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:48:23,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:48:23,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-21 09:48:23,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:48:23,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:48:23,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:48:23,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:48:23,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:48:23,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:48:23,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:48:23,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:48:23,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:48:23,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:48:23,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:48:23,763 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 09:48:23,800 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:48:23,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:48:23,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:48:23,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:48:23,802 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:48:23,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:48:23,802 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:48:23,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:48:23,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:48:23,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:48:23,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:48:23,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:48:23,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:48:23,804 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:48:23,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:48:23,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:48:23,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:48:23,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:48:23,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:48:23,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:48:23,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:48:23,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:48:23,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:48:23,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:48:23,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:48:23,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:48:23,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:48:23,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:48:23,809 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_QUICK [2019-09-21 09:48:23,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:48:23,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:48:23,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:48:23,865 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:48:23,866 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:48:23,866 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/array_1-2.c [2019-09-21 09:48:23,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9d65386e/d4dad0d191754a59ad8be497102b9c34/FLAGa0de1fd31 [2019-09-21 09:48:24,340 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:48:24,341 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/array_1-2.c [2019-09-21 09:48:24,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9d65386e/d4dad0d191754a59ad8be497102b9c34/FLAGa0de1fd31 [2019-09-21 09:48:24,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9d65386e/d4dad0d191754a59ad8be497102b9c34 [2019-09-21 09:48:24,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:48:24,790 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:48:24,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:48:24,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:48:24,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:48:24,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:48:24" (1/1) ... [2019-09-21 09:48:24,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6758265e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:24, skipping insertion in model container [2019-09-21 09:48:24,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:48:24" (1/1) ... [2019-09-21 09:48:24,804 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:48:24,818 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:48:25,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:48:25,028 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:48:25,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:48:25,080 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:48:25,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:25 WrapperNode [2019-09-21 09:48:25,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:48:25,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:48:25,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:48:25,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:48:25,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:25" (1/1) ... [2019-09-21 09:48:25,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:25" (1/1) ... [2019-09-21 09:48:25,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:25" (1/1) ... [2019-09-21 09:48:25,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:25" (1/1) ... [2019-09-21 09:48:25,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:25" (1/1) ... [2019-09-21 09:48:25,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:25" (1/1) ... [2019-09-21 09:48:25,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:25" (1/1) ... [2019-09-21 09:48:25,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:48:25,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:48:25,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:48:25,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:48:25,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:48:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:48:25,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:48:25,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:48:25,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:48:25,273 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:48:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:48:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:48:25,273 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:48:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:48:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:48:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:48:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:48:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:48:25,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:48:25,524 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:48:25,525 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:48:25,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:48:25 BoogieIcfgContainer [2019-09-21 09:48:25,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:48:25,527 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:48:25,527 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:48:25,528 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:48:25,529 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:48:25" (1/1) ... [2019-09-21 09:48:25,530 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:48:25,584 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:48:25,584 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:48:25,598 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:48:25,606 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:48:25,607 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:48:25,780 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 21 for LOIs [2019-09-21 09:48:27,645 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2019-09-21 09:48:29,277 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2019-09-21 09:48:29,383 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2019-09-21 09:48:29,531 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 332 [2019-09-21 09:48:30,303 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 27 for LOIs [2019-09-21 09:48:30,310 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:48:30,311 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:48:30,313 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 174#(and (<= __VERIFIER_assert_~cond 0) (exists ((|v_main_~#A~0.base_BEFORE_CALL_1| Int) (|v_main_~#A~0.offset_BEFORE_CALL_1| Int)) (or (and (<= 0 |v_main_~#A~0.offset_BEFORE_CALL_1|) (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) (+ |v_main_~#A~0.offset_BEFORE_CALL_1| 4092)) 1023)) (<= |#NULL.base| 0) (<= |v_main_~#A~0.offset_BEFORE_CALL_1| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 0 |v_main_~#A~0.offset_BEFORE_CALL_1|) (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) (+ |v_main_~#A~0.offset_BEFORE_CALL_1| 4092)) 1023) (<= |#NULL.base| 0) (<= |v_main_~#A~0.offset_BEFORE_CALL_1| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-21 09:48:30,327 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:48:30,328 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:48:30,330 INFO L168 Benchmark]: Toolchain (without parser) took 5539.93 ms. Allocated memory was 131.6 MB in the beginning and 375.4 MB in the end (delta: 243.8 MB). Free memory was 87.6 MB in the beginning and 171.8 MB in the end (delta: -84.2 MB). Peak memory consumption was 159.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:30,331 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:48:30,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.52 ms. Allocated memory is still 131.6 MB. Free memory was 87.4 MB in the beginning and 77.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:30,333 INFO L168 Benchmark]: Boogie Preprocessor took 131.27 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 77.6 MB in the beginning and 174.3 MB in the end (delta: -96.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:30,334 INFO L168 Benchmark]: RCFGBuilder took 312.72 ms. Allocated memory is still 198.2 MB. Free memory was 174.3 MB in the beginning and 159.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:30,335 INFO L168 Benchmark]: Sifa took 4800.74 ms. Allocated memory was 198.2 MB in the beginning and 375.4 MB in the end (delta: 177.2 MB). Free memory was 158.9 MB in the beginning and 171.8 MB in the end (delta: -12.9 MB). Peak memory consumption was 164.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:48:30,338 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 291.52 ms. Allocated memory is still 131.6 MB. Free memory was 87.4 MB in the beginning and 77.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.27 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 77.6 MB in the beginning and 174.3 MB in the end (delta: -96.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 312.72 ms. Allocated memory is still 198.2 MB. Free memory was 174.3 MB in the beginning and 159.6 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * Sifa took 4800.74 ms. Allocated memory was 198.2 MB in the beginning and 375.4 MB in the end (delta: 177.2 MB). Free memory was 158.9 MB in the beginning and 171.8 MB in the end (delta: -12.9 MB). Peak memory consumption was 164.4 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]: 4729, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 20, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 16, TOOLS_POST_TIME[ms]: 374, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 23, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 20, TOOLS_QUANTIFIERELIM_TIME[ms]: 371, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 82, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 30, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 1342, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 40, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 1778, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 1093, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4510, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4510, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 123, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 122, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, DAG_COMPRESSION_PROCESSED_NODES: 44, DAG_COMPRESSION_RETAINED_NODES: 28 - 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 174#(and (<= __VERIFIER_assert_~cond 0) (exists ((|v_main_~#A~0.base_BEFORE_CALL_1| Int) (|v_main_~#A~0.offset_BEFORE_CALL_1| Int)) (or (and (<= 0 |v_main_~#A~0.offset_BEFORE_CALL_1|) (= |__VERIFIER_assert_#in~cond| 0) (not (= (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) (+ |v_main_~#A~0.offset_BEFORE_CALL_1| 4092)) 1023)) (<= |#NULL.base| 0) (<= |v_main_~#A~0.offset_BEFORE_CALL_1| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= 0 |v_main_~#A~0.offset_BEFORE_CALL_1|) (= |__VERIFIER_assert_#in~cond| 1) (= (select (select |#memory_int| |v_main_~#A~0.base_BEFORE_CALL_1|) (+ |v_main_~#A~0.offset_BEFORE_CALL_1| 4092)) 1023) (<= |#NULL.base| 0) (<= |v_main_~#A~0.offset_BEFORE_CALL_1| 0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)))) (<= 0 |__VERIFIER_assert_#in~cond|) (<= |__VERIFIER_assert_#in~cond| 0) (<= 0 __VERIFIER_assert_~cond) (= 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...