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/ldv-regression/test16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:14:38,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:14:38,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:14:38,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:14:38,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:14:38,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:14:38,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:14:38,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:14:38,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:14:38,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:14:38,380 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:14:38,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:14:38,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:14:38,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:14:38,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:14:38,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:14:38,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:14:38,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:14:38,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:14:38,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:14:38,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:14:38,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:14:38,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:14:38,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:14:38,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:14:38,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:14:38,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:14:38,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:14:38,425 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 [2019-08-14 20:14:38,453 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:14:38,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:14:38,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:14:38,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:14:38,455 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:14:38,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:14:38,455 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:14:38,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:14:38,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:14:38,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:14:38,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:14:38,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:14:38,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:14:38,457 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:14:38,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:14:38,457 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:14:38,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:14:38,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:14:38,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:14:38,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:14:38,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:14:38,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:14:38,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:14:38,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:14:38,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:14:38,462 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:14:38,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:14:38,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:14:38,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:14:38,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:14:38,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:14:38,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:14:38,534 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:14:38,534 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:14:38,535 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test16.c [2019-08-14 20:14:38,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58eadfce0/a95bd97a48f54d6caf2b917b0a429f81/FLAG2db367aeb [2019-08-14 20:14:38,965 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:14:38,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test16.c [2019-08-14 20:14:38,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58eadfce0/a95bd97a48f54d6caf2b917b0a429f81/FLAG2db367aeb [2019-08-14 20:14:39,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58eadfce0/a95bd97a48f54d6caf2b917b0a429f81 [2019-08-14 20:14:39,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:14:39,353 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:14:39,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:39,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:14:39,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:14:39,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:39" (1/1) ... [2019-08-14 20:14:39,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f004285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:39, skipping insertion in model container [2019-08-14 20:14:39,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:39" (1/1) ... [2019-08-14 20:14:39,369 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:14:39,388 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:14:39,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:39,625 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:14:39,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:39,654 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:14:39,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:39 WrapperNode [2019-08-14 20:14:39,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:39,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:14:39,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:14:39,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:14:39,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:39" (1/1) ... [2019-08-14 20:14:39,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:39" (1/1) ... [2019-08-14 20:14:39,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:39" (1/1) ... [2019-08-14 20:14:39,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:39" (1/1) ... [2019-08-14 20:14:39,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:39" (1/1) ... [2019-08-14 20:14:39,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:39" (1/1) ... [2019-08-14 20:14:39,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:39" (1/1) ... [2019-08-14 20:14:39,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:14:39,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:14:39,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:14:39,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:14:39,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:39" (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 [2019-08-14 20:14:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:14:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:14:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure equal [2019-08-14 20:14:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:14:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:14:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure equal [2019-08-14 20:14:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:14:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:14:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:14:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:14:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:14:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-14 20:14:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:14:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:14:40,039 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:14:40,040 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 20:14:40,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:40 BoogieIcfgContainer [2019-08-14 20:14:40,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:14:40,042 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:14:40,042 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:14:40,042 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:14:40,043 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:40" (1/1) ... [2019-08-14 20:14:40,353 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-08-14 20:14:40,567 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-08-14 20:14:40,754 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:14:40,756 INFO L168 Benchmark]: Toolchain (without parser) took 1402.77 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 85.2 MB in the beginning and 113.3 MB in the end (delta: -28.2 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:40,757 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:14:40,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.54 ms. Allocated memory is still 137.4 MB. Free memory was 84.7 MB in the beginning and 75.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:40,759 INFO L168 Benchmark]: Boogie Preprocessor took 38.05 ms. Allocated memory is still 137.4 MB. Free memory was 75.5 MB in the beginning and 73.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:40,760 INFO L168 Benchmark]: RCFGBuilder took 347.32 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 73.7 MB in the beginning and 163.4 MB in the end (delta: -89.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:40,761 INFO L168 Benchmark]: Symbolic Interpretation took 712.17 ms. Allocated memory is still 198.2 MB. Free memory was 162.7 MB in the beginning and 113.3 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:40,765 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 10]: 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 137.4 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 301.54 ms. Allocated memory is still 137.4 MB. Free memory was 84.7 MB in the beginning and 75.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.05 ms. Allocated memory is still 137.4 MB. Free memory was 75.5 MB in the beginning and 73.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 347.32 ms. Allocated memory was 137.4 MB in the beginning and 198.2 MB in the end (delta: 60.8 MB). Free memory was 73.7 MB in the beginning and 163.4 MB in the end (delta: -89.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 712.17 ms. Allocated memory is still 198.2 MB. Free memory was 162.7 MB in the beginning and 113.3 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...