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/simple_2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 22:02:58,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 22:02:58,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 22:02:58,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 22:02:58,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 22:02:58,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 22:02:58,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 22:02:58,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 22:02:58,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 22:02:58,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 22:02:58,118 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 22:02:58,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 22:02:58,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 22:02:58,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 22:02:58,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 22:02:58,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 22:02:58,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 22:02:58,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 22:02:58,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 22:02:58,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 22:02:58,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 22:02:58,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 22:02:58,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 22:02:58,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 22:02:58,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 22:02:58,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 22:02:58,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 22:02:58,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 22:02:58,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 22:02:58,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 22:02:58,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 22:02:58,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 22:02:58,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 22:02:58,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 22:02:58,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 22:02:58,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 22:02:58,146 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 22:02:58,170 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 22:02:58,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 22:02:58,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 22:02:58,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 22:02:58,172 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 22:02:58,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 22:02:58,173 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 22:02:58,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 22:02:58,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 22:02:58,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 22:02:58,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 22:02:58,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 22:02:58,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 22:02:58,174 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 22:02:58,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 22:02:58,175 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 22:02:58,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 22:02:58,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 22:02:58,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 22:02:58,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 22:02:58,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 22:02:58,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 22:02:58,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 22:02:58,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 22:02:58,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 22:02:58,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 22:02:58,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 22:02:58,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 22:02:58,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 22:02:58,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 22:02:58,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 22:02:58,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 22:02:58,243 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 22:02:58,243 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 22:02:58,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_2-1.c [2019-08-22 22:02:58,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af8dd686/13f4df18be1449d3823ec6de0e0798f5/FLAG0f7984a32 [2019-08-22 22:02:58,758 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 22:02:58,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_2-1.c [2019-08-22 22:02:58,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af8dd686/13f4df18be1449d3823ec6de0e0798f5/FLAG0f7984a32 [2019-08-22 22:02:59,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af8dd686/13f4df18be1449d3823ec6de0e0798f5 [2019-08-22 22:02:59,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 22:02:59,110 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 22:02:59,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 22:02:59,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 22:02:59,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 22:02:59,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:02:59" (1/1) ... [2019-08-22 22:02:59,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4cff23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:59, skipping insertion in model container [2019-08-22 22:02:59,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:02:59" (1/1) ... [2019-08-22 22:02:59,127 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 22:02:59,143 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 22:02:59,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:02:59,290 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 22:02:59,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:02:59,317 INFO L192 MainTranslator]: Completed translation [2019-08-22 22:02:59,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:59 WrapperNode [2019-08-22 22:02:59,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 22:02:59,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 22:02:59,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 22:02:59,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 22:02:59,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:59" (1/1) ... [2019-08-22 22:02:59,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:59" (1/1) ... [2019-08-22 22:02:59,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:59" (1/1) ... [2019-08-22 22:02:59,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:59" (1/1) ... [2019-08-22 22:02:59,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:59" (1/1) ... [2019-08-22 22:02:59,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:59" (1/1) ... [2019-08-22 22:02:59,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:59" (1/1) ... [2019-08-22 22:02:59,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 22:02:59,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 22:02:59,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 22:02:59,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 22:02:59,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:59" (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 22:02:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 22:02:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 22:02:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 22:02:59,487 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 22:02:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 22:02:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-22 22:02:59,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 22:02:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 22:02:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 22:02:59,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 22:02:59,637 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 22:02:59,637 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 22:02:59,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:02:59 BoogieIcfgContainer [2019-08-22 22:02:59,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 22:02:59,639 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 22:02:59,639 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 22:02:59,640 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 22:02:59,641 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:02:59" (1/1) ... [2019-08-22 22:02:59,654 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 22:02:59,656 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 22:02:59,662 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 22:02:59,671 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 22:02:59,672 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 22:02:59,718 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 22:02:59,738 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 22:02:59,749 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 3 [2019-08-22 22:02:59,759 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 22:02:59,759 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 22:02:59,761 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 22:02:59,772 INFO L87 terpretationObserver]: ✔ All locations of interest are guaranteed to be unreachable. [2019-08-22 22:02:59,772 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 22:02:59,775 INFO L168 Benchmark]: Toolchain (without parser) took 663.64 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.4 MB in the beginning and 160.1 MB in the end (delta: -74.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 22:02:59,776 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 22:02:59,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.42 ms. Allocated memory is still 138.9 MB. Free memory was 85.0 MB in the beginning and 76.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-22 22:02:59,779 INFO L168 Benchmark]: Boogie Preprocessor took 117.39 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 76.0 MB in the beginning and 177.2 MB in the end (delta: -101.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-22 22:02:59,780 INFO L168 Benchmark]: RCFGBuilder took 201.97 ms. Allocated memory is still 199.2 MB. Free memory was 177.2 MB in the beginning and 166.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-22 22:02:59,781 INFO L168 Benchmark]: Symbolic Interpretation took 133.26 ms. Allocated memory is still 199.2 MB. Free memory was 166.6 MB in the beginning and 160.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2019-08-22 22:02:59,789 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 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 207.42 ms. Allocated memory is still 138.9 MB. Free memory was 85.0 MB in the beginning and 76.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.39 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 76.0 MB in the beginning and 177.2 MB in the end (delta: -101.2 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 201.97 ms. Allocated memory is still 199.2 MB. Free memory was 177.2 MB in the beginning and 166.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 133.26 ms. Allocated memory is still 199.2 MB. Free memory was 166.6 MB in the beginning and 160.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...