java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/C-BPP-RCFG.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/loop-acceleration/underapprox_true-unreach-call1_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-66639aa [2018-11-20 01:20:27,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-20 01:20:27,074 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-20 01:20:27,084 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-20 01:20:27,085 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-20 01:20:27,086 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-20 01:20:27,087 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-20 01:20:27,089 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-20 01:20:27,090 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-20 01:20:27,091 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-20 01:20:27,092 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-20 01:20:27,092 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-20 01:20:27,093 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-20 01:20:27,094 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-20 01:20:27,096 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-20 01:20:27,096 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-20 01:20:27,097 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-20 01:20:27,099 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-20 01:20:27,101 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-20 01:20:27,103 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-20 01:20:27,104 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-20 01:20:27,105 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-20 01:20:27,108 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-20 01:20:27,115 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-20 01:20:27,115 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-20 01:20:27,116 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-20 01:20:27,117 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-20 01:20:27,118 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-20 01:20:27,135 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-20 01:20:27,135 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-20 01:20:27,136 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-20 01:20:27,136 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-20 01:20:27,137 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-20 01:20:27,138 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-20 01:20:27,139 INFO L133 SettingsManager]: * Use SBE=true [2018-11-20 01:20:27,139 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-20 01:20:27,139 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-20 01:20:27,139 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-20 01:20:27,139 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-20 01:20:27,140 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-20 01:20:27,140 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-20 01:20:27,140 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-20 01:20:27,141 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-20 01:20:27,141 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-20 01:20:27,141 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-20 01:20:27,141 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-20 01:20:27,141 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-20 01:20:27,142 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-20 01:20:27,142 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-20 01:20:27,142 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-20 01:20:27,142 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-20 01:20:27,142 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-20 01:20:27,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-20 01:20:27,143 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-20 01:20:27,143 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-20 01:20:27,144 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-20 01:20:27,144 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-20 01:20:27,144 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-20 01:20:27,144 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-20 01:20:27,144 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-20 01:20:27,145 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-20 01:20:27,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-20 01:20:27,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-20 01:20:27,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-20 01:20:27,222 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-20 01:20:27,223 INFO L276 PluginConnector]: CDTParser initialized [2018-11-20 01:20:27,223 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-11-20 01:20:27,272 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19654cd1c/78593f4371824d40a71e20b5eb70031e/FLAGeb60273d5 [2018-11-20 01:20:27,672 INFO L307 CDTParser]: Found 1 translation units. [2018-11-20 01:20:27,673 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-11-20 01:20:27,678 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19654cd1c/78593f4371824d40a71e20b5eb70031e/FLAGeb60273d5 [2018-11-20 01:20:28,040 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19654cd1c/78593f4371824d40a71e20b5eb70031e [2018-11-20 01:20:28,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-20 01:20:28,051 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-11-20 01:20:28,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-20 01:20:28,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-20 01:20:28,056 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-20 01:20:28,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:20:28" (1/1) ... [2018-11-20 01:20:28,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17278fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:20:28, skipping insertion in model container [2018-11-20 01:20:28,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:20:28" (1/1) ... [2018-11-20 01:20:28,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-20 01:20:28,099 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-20 01:20:28,284 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-20 01:20:28,290 INFO L191 MainTranslator]: Completed pre-run [2018-11-20 01:20:28,309 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-20 01:20:28,327 INFO L195 MainTranslator]: Completed translation [2018-11-20 01:20:28,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:20:28 WrapperNode [2018-11-20 01:20:28,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-20 01:20:28,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-20 01:20:28,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-20 01:20:28,329 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-20 01:20:28,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:20:28" (1/1) ... [2018-11-20 01:20:28,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:20:28" (1/1) ... [2018-11-20 01:20:28,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:20:28" (1/1) ... [2018-11-20 01:20:28,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:20:28" (1/1) ... [2018-11-20 01:20:28,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:20:28" (1/1) ... [2018-11-20 01:20:28,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:20:28" (1/1) ... [2018-11-20 01:20:28,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:20:28" (1/1) ... [2018-11-20 01:20:28,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-20 01:20:28,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-20 01:20:28,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-20 01:20:28,371 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-20 01:20:28,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:20:28" (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 [2018-11-20 01:20:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-20 01:20:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-20 01:20:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-20 01:20:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-20 01:20:28,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-20 01:20:28,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-20 01:20:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-20 01:20:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-20 01:20:28,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-20 01:20:29,127 INFO L271 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-20 01:20:29,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:20:29 BoogieIcfgContainer [2018-11-20 01:20:29,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-20 01:20:29,131 INFO L168 Benchmark]: Toolchain (without parser) took 1080.29 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -743.8 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2018-11-20 01:20:29,133 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-20 01:20:29,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-20 01:20:29,135 INFO L168 Benchmark]: Boogie Preprocessor took 41.69 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-20 01:20:29,135 INFO L168 Benchmark]: RCFGBuilder took 757.21 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -754.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2018-11-20 01:20:29,139 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 276.16 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.69 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 757.21 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.6 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -754.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...