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 -i ../../../trunk/examples/svcomp/loop-acceleration/multivar_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:20:49,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:20:49,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:20:49,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:20:49,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:20:49,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:20:49,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:20:49,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:20:49,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:20:49,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:20:49,571 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:20:49,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:20:49,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:20:49,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:20:49,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:20:49,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:20:49,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:20:49,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:20:49,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:20:49,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:20:49,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:20:49,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:20:49,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:20:49,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:20:49,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 07:20:49,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:20:49,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:20:49,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:20:49,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:20:49,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:20:49,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:20:49,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:20:49,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:20:49,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:20:49,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:20:49,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:20:49,632 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 [2019-08-18 07:20:49,657 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:20:49,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:20:49,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:20:49,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:20:49,659 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:20:49,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:20:49,660 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:20:49,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:20:49,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:20:49,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:20:49,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:20:49,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:20:49,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:20:49,662 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:20:49,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:20:49,663 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:20:49,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:20:49,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:20:49,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:20:49,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:20:49,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:20:49,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:20:49,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:20:49,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:20:49,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:20:49,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:20:49,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:20:49,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:20:49,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:20:49,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:20:49,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:20:49,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:20:49,730 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:20:49,731 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:20:49,732 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/multivar_1-1.c [2019-08-18 07:20:49,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21544790c/bcbc8a2d767e4c3494720285d42654ba/FLAGd74a28457 [2019-08-18 07:20:50,284 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:20:50,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/multivar_1-1.c [2019-08-18 07:20:50,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21544790c/bcbc8a2d767e4c3494720285d42654ba/FLAGd74a28457 [2019-08-18 07:20:50,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21544790c/bcbc8a2d767e4c3494720285d42654ba [2019-08-18 07:20:50,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:20:50,697 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:20:50,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:20:50,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:20:50,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:20:50,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:20:50" (1/1) ... [2019-08-18 07:20:50,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd37a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:50, skipping insertion in model container [2019-08-18 07:20:50,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:20:50" (1/1) ... [2019-08-18 07:20:50,714 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:20:50,729 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:20:50,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:20:50,925 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:20:50,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:20:50,952 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:20:50,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:50 WrapperNode [2019-08-18 07:20:50,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:20:50,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:20:50,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:20:50,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:20:51,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:50" (1/1) ... [2019-08-18 07:20:51,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:50" (1/1) ... [2019-08-18 07:20:51,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:50" (1/1) ... [2019-08-18 07:20:51,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:50" (1/1) ... [2019-08-18 07:20:51,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:50" (1/1) ... [2019-08-18 07:20:51,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:50" (1/1) ... [2019-08-18 07:20:51,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:50" (1/1) ... [2019-08-18 07:20:51,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:20:51,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:20:51,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:20:51,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:20:51,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:20:50" (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 [2019-08-18 07:20:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:20:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:20:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 07:20:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:20:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:20:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-18 07:20:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 07:20:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:20:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:20:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:20:51,282 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:20:51,283 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 07:20:51,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:20:51 BoogieIcfgContainer [2019-08-18 07:20:51,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:20:51,284 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:20:51,285 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:20:51,285 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:20:51,286 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:20:51" (1/1) ... [2019-08-18 07:20:51,297 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:20:51,300 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:20:51,305 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:20:51,313 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:20:51,315 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:20:51,353 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-18 07:20:51,391 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 [2019-08-18 07:20:51,395 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:20:51,395 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:20:51,397 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 21#(and (= |__VERIFIER_assert_#in~cond| 1) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-18 07:20:51,402 INFO L88 terpretationObserver]: ✔ All locations of interest are guaranteed to be unreachable. [2019-08-18 07:20:51,403 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:20:51,405 INFO L168 Benchmark]: Toolchain (without parser) took 706.98 ms. Allocated memory was 130.0 MB in the beginning and 197.1 MB in the end (delta: 67.1 MB). Free memory was 85.4 MB in the beginning and 156.7 MB in the end (delta: -71.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 07:20:51,406 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 130.0 MB. Free memory is still 103.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 07:20:51,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.63 ms. Allocated memory is still 130.0 MB. Free memory was 85.4 MB in the beginning and 76.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:20:51,408 INFO L168 Benchmark]: Boogie Preprocessor took 115.54 ms. Allocated memory was 130.0 MB in the beginning and 197.1 MB in the end (delta: 67.1 MB). Free memory was 76.2 MB in the beginning and 172.9 MB in the end (delta: -96.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-18 07:20:51,409 INFO L168 Benchmark]: RCFGBuilder took 215.25 ms. Allocated memory is still 197.1 MB. Free memory was 172.9 MB in the beginning and 162.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-18 07:20:51,410 INFO L168 Benchmark]: Symbolic Interpretation took 118.24 ms. Allocated memory is still 197.1 MB. Free memory was 162.3 MB in the beginning and 156.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-18 07:20:51,415 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 130.0 MB. Free memory is still 103.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 254.63 ms. Allocated memory is still 130.0 MB. Free memory was 85.4 MB in the beginning and 76.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.54 ms. Allocated memory was 130.0 MB in the beginning and 197.1 MB in the end (delta: 67.1 MB). Free memory was 76.2 MB in the beginning and 172.9 MB in the end (delta: -96.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 215.25 ms. Allocated memory is still 197.1 MB. Free memory was 172.9 MB in the beginning and 162.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 118.24 ms. Allocated memory is still 197.1 MB. Free memory was 162.3 MB in the beginning and 156.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...