/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7968f31 [2022-03-17 19:49:06,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-17 19:49:06,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-17 19:49:06,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-17 19:49:06,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-17 19:49:06,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-17 19:49:06,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-17 19:49:06,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-17 19:49:06,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-17 19:49:06,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-17 19:49:06,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-17 19:49:06,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-17 19:49:06,996 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-17 19:49:07,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-17 19:49:07,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-17 19:49:07,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-17 19:49:07,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-17 19:49:07,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-17 19:49:07,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-17 19:49:07,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-17 19:49:07,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-17 19:49:07,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-17 19:49:07,047 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-17 19:49:07,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-17 19:49:07,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-17 19:49:07,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-17 19:49:07,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-17 19:49:07,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-17 19:49:07,049 INFO L138 SettingsManager]: * Use SBE=true [2022-03-17 19:49:07,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-17 19:49:07,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-17 19:49:07,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-17 19:49:07,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-17 19:49:07,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-17 19:49:07,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-17 19:49:07,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-17 19:49:07,050 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-17 19:49:07,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-17 19:49:07,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-17 19:49:07,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-17 19:49:07,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-17 19:49:07,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 19:49:07,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-17 19:49:07,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-17 19:49:07,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-17 19:49:07,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-17 19:49:07,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-17 19:49:07,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-17 19:49:07,052 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-17 19:49:07,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-17 19:49:07,052 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-17 19:49:07,053 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-17 19:49:07,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-17 19:49:07,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-17 19:49:07,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-17 19:49:07,242 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-17 19:49:07,242 INFO L275 PluginConnector]: CDTParser initialized [2022-03-17 19:49:07,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c [2022-03-17 19:49:07,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207379b74/c053ccab9d62468ea2ad686fb713a6d2/FLAG0a8f4f4bb [2022-03-17 19:49:07,584 INFO L306 CDTParser]: Found 1 translation units. [2022-03-17 19:49:07,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c [2022-03-17 19:49:07,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207379b74/c053ccab9d62468ea2ad686fb713a6d2/FLAG0a8f4f4bb [2022-03-17 19:49:08,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/207379b74/c053ccab9d62468ea2ad686fb713a6d2 [2022-03-17 19:49:08,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-17 19:49:08,028 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-17 19:49:08,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-17 19:49:08,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-17 19:49:08,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-17 19:49:08,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:49:08" (1/1) ... [2022-03-17 19:49:08,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16775c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:49:08, skipping insertion in model container [2022-03-17 19:49:08,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:49:08" (1/1) ... [2022-03-17 19:49:08,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-17 19:49:08,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-17 19:49:08,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c[1014,1027] [2022-03-17 19:49:08,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 19:49:08,202 INFO L203 MainTranslator]: Completed pre-run [2022-03-17 19:49:08,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.v+cfa-reducer.c[1014,1027] [2022-03-17 19:49:08,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 19:49:08,231 INFO L208 MainTranslator]: Completed translation [2022-03-17 19:49:08,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:49:08 WrapperNode [2022-03-17 19:49:08,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-17 19:49:08,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-17 19:49:08,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-17 19:49:08,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-17 19:49:08,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:49:08" (1/1) ... [2022-03-17 19:49:08,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:49:08" (1/1) ... [2022-03-17 19:49:08,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:49:08" (1/1) ... [2022-03-17 19:49:08,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:49:08" (1/1) ... [2022-03-17 19:49:08,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:49:08" (1/1) ... [2022-03-17 19:49:08,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:49:08" (1/1) ... [2022-03-17 19:49:08,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:49:08" (1/1) ... [2022-03-17 19:49:08,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-17 19:49:08,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-17 19:49:08,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-17 19:49:08,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-17 19:49:08,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:49:08" (1/1) ... [2022-03-17 19:49:08,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 19:49:08,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 19:49:08,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-17 19:49:08,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-17 19:49:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-17 19:49:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-17 19:49:08,323 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-17 19:49:08,324 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-17 19:49:08,324 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-17 19:49:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-17 19:49:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-17 19:49:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-17 19:49:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-17 19:49:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-17 19:49:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-17 19:49:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-17 19:49:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-17 19:49:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-17 19:49:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-17 19:49:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-17 19:49:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-17 19:49:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-17 19:49:08,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-17 19:49:08,370 INFO L234 CfgBuilder]: Building ICFG [2022-03-17 19:49:08,371 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-17 19:49:08,433 INFO L275 CfgBuilder]: Performing block encoding [2022-03-17 19:49:08,437 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-17 19:49:08,437 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-17 19:49:08,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 07:49:08 BoogieIcfgContainer [2022-03-17 19:49:08,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-17 19:49:08,439 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-17 19:49:08,439 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-17 19:49:08,440 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-17 19:49:08,442 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 07:49:08" (1/1) ...