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-fab3c18 [2019-08-22 22:02:17,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 22:02:17,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 22:02:17,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 22:02:17,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 22:02:17,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 22:02:17,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 22:02:17,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 22:02:17,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 22:02:17,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 22:02:17,083 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 22:02:17,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 22:02:17,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 22:02:17,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 22:02:17,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 22:02:17,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 22:02:17,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 22:02:17,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 22:02:17,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 22:02:17,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 22:02:17,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 22:02:17,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 22:02:17,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 22:02:17,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 22:02:17,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 22:02:17,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 22:02:17,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 22:02:17,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 22:02:17,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 22:02:17,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 22:02:17,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 22:02:17,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 22:02:17,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 22:02:17,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 22:02:17,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 22:02:17,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 22:02:17,109 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 [2019-08-22 22:02:17,123 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 22:02:17,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 22:02:17,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 22:02:17,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 22:02:17,125 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 22:02:17,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 22:02:17,125 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 22:02:17,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 22:02:17,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 22:02:17,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 22:02:17,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 22:02:17,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 22:02:17,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 22:02:17,127 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 22:02:17,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 22:02:17,127 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 22:02:17,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 22:02:17,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 22:02:17,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 22:02:17,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 22:02:17,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 22:02:17,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 22:02:17,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 22:02:17,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 22:02:17,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 22:02:17,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 22:02:17,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 22:02:17,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 22:02:17,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 22:02:17,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 22:02:17,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 22:02:17,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 22:02:17,181 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 22:02:17,182 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 22:02:17,182 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/multivar_1-1.c [2019-08-22 22:02:17,243 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df0b04d5f/b0b053b5432040c6b11ee60039dcc387/FLAGe08194901 [2019-08-22 22:02:17,645 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 22:02:17,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/multivar_1-1.c [2019-08-22 22:02:17,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df0b04d5f/b0b053b5432040c6b11ee60039dcc387/FLAGe08194901 [2019-08-22 22:02:18,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df0b04d5f/b0b053b5432040c6b11ee60039dcc387 [2019-08-22 22:02:18,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 22:02:18,076 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 22:02:18,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 22:02:18,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 22:02:18,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 22:02:18,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:02:18" (1/1) ... [2019-08-22 22:02:18,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a891f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:18, skipping insertion in model container [2019-08-22 22:02:18,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:02:18" (1/1) ... [2019-08-22 22:02:18,095 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 22:02:18,113 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 22:02:18,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:02:18,355 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 22:02:18,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:02:18,390 INFO L192 MainTranslator]: Completed translation [2019-08-22 22:02:18,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:18 WrapperNode [2019-08-22 22:02:18,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 22:02:18,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 22:02:18,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 22:02:18,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 22:02:18,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:18" (1/1) ... [2019-08-22 22:02:18,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:18" (1/1) ... [2019-08-22 22:02:18,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:18" (1/1) ... [2019-08-22 22:02:18,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:18" (1/1) ... [2019-08-22 22:02:18,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:18" (1/1) ... [2019-08-22 22:02:18,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:18" (1/1) ... [2019-08-22 22:02:18,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:18" (1/1) ... [2019-08-22 22:02:18,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 22:02:18,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 22:02:18,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 22:02:18,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 22:02:18,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:18" (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 [2019-08-22 22:02:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 22:02:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 22:02:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 22:02:18,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 22:02:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 22:02:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-22 22:02:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 22:02:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 22:02:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 22:02:18,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 22:02:18,708 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 22:02:18,709 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 22:02:18,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:02:18 BoogieIcfgContainer [2019-08-22 22:02:18,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 22:02:18,711 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 22:02:18,711 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 22:02:18,711 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 22:02:18,712 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:02:18" (1/1) ... [2019-08-22 22:02:18,726 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 22:02:18,729 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 22:02:18,735 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 22:02:18,742 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 22:02:18,743 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 22:02:18,790 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 22:02:18,837 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 [2019-08-22 22:02:18,841 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 22:02:18,841 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 22:02:18,843 INFO L179 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 29#(and (= |__VERIFIER_assert_#in~cond| 1) (<= __VERIFIER_assert_~cond 0) (<= |__VERIFIER_assert_#in~cond| 0) (<= 1 __VERIFIER_assert_~cond) (<= 1 |__VERIFIER_assert_#in~cond|) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-22 22:02:18,850 INFO L87 terpretationObserver]: ✔ All locations of interest are guaranteed to be unreachable. [2019-08-22 22:02:18,851 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 22:02:18,854 INFO L168 Benchmark]: Toolchain (without parser) took 777.00 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 88.8 MB in the beginning and 161.4 MB in the end (delta: -72.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 22:02:18,855 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 22:02:18,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.60 ms. Allocated memory is still 141.6 MB. Free memory was 88.6 MB in the beginning and 79.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-22 22:02:18,858 INFO L168 Benchmark]: Boogie Preprocessor took 112.39 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 79.5 MB in the beginning and 178.9 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-22 22:02:18,859 INFO L168 Benchmark]: RCFGBuilder took 206.10 ms. Allocated memory is still 200.8 MB. Free memory was 178.9 MB in the beginning and 167.7 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-22 22:02:18,859 INFO L168 Benchmark]: Symbolic Interpretation took 140.56 ms. Allocated memory is still 200.8 MB. Free memory was 167.7 MB in the beginning and 161.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-08-22 22:02:18,864 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 141.6 MB. Free memory was 107.6 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 314.60 ms. Allocated memory is still 141.6 MB. Free memory was 88.6 MB in the beginning and 79.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.39 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 79.5 MB in the beginning and 178.9 MB in the end (delta: -99.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 206.10 ms. Allocated memory is still 200.8 MB. Free memory was 178.9 MB in the beginning and 167.7 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 140.56 ms. Allocated memory is still 200.8 MB. Free memory was 167.7 MB in the beginning and 161.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...