/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.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 08:31:52,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 08:31:52,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 08:31:52,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-20 08:31:52,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 08:31:52,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 08:31:52,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 08:31:52,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 08:31:52,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 08:31:52,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 08:31:52,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 08:31:52,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 08:31:52,135 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 08:31:52,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 08:31:52,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 08:31:52,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 08:31:52,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 08:31:52,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 08:31:52,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 08:31:52,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 08:31:52,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 08:31:52,161 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-20 08:31:52,180 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 08:31:52,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 08:31:52,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-20 08:31:52,181 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-20 08:31:52,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-20 08:31:52,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-20 08:31:52,181 INFO L138 SettingsManager]: * Use SBE=true [2022-03-20 08:31:52,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 08:31:52,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 08:31:52,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 08:31:52,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 08:31:52,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 08:31:52,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 08:31:52,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 08:31:52,182 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 08:31:52,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 08:31:52,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 08:31:52,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 08:31:52,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 08:31:52,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 08:31:52,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 08:31:52,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-20 08:31:52,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-20 08:31:52,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 08:31:52,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-20 08:31:52,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 08:31:52,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-20 08:31:52,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-20 08:31:52,184 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 08:31:52,184 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 08:31:52,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 08:31:52,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 08:31:52,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 08:31:52,386 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 08:31:52,386 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 08:31:52,387 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-new/gauss_sum.i.p+cfa-reducer.c [2022-03-20 08:31:52,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daae66b9e/dcb945eb3b0f4e72b9206d11d3bbfc50/FLAGb9366a4af [2022-03-20 08:31:52,792 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 08:31:52,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-new/gauss_sum.i.p+cfa-reducer.c [2022-03-20 08:31:52,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daae66b9e/dcb945eb3b0f4e72b9206d11d3bbfc50/FLAGb9366a4af [2022-03-20 08:31:52,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/daae66b9e/dcb945eb3b0f4e72b9206d11d3bbfc50 [2022-03-20 08:31:52,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 08:31:52,811 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 08:31:52,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 08:31:52,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 08:31:52,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 08:31:52,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 08:31:52" (1/1) ... [2022-03-20 08:31:52,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4719fa98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:31:52, skipping insertion in model container [2022-03-20 08:31:52,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 08:31:52" (1/1) ... [2022-03-20 08:31:52,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 08:31:52,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 08:31:52,981 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.p+cfa-reducer.c[1014,1027] [2022-03-20 08:31:52,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 08:31:52,990 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 08:31:53,000 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.p+cfa-reducer.c[1014,1027] [2022-03-20 08:31:53,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 08:31:53,009 INFO L208 MainTranslator]: Completed translation [2022-03-20 08:31:53,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:31:53 WrapperNode [2022-03-20 08:31:53,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 08:31:53,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 08:31:53,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 08:31:53,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 08:31:53,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:31:53" (1/1) ... [2022-03-20 08:31:53,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:31:53" (1/1) ... [2022-03-20 08:31:53,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:31:53" (1/1) ... [2022-03-20 08:31:53,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:31:53" (1/1) ... [2022-03-20 08:31:53,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:31:53" (1/1) ... [2022-03-20 08:31:53,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:31:53" (1/1) ... [2022-03-20 08:31:53,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:31:53" (1/1) ... [2022-03-20 08:31:53,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 08:31:53,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 08:31:53,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 08:31:53,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 08:31:53,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:31:53" (1/1) ... [2022-03-20 08:31:53,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 08:31:53,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 08:31:53,068 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) [2022-03-20 08:31:53,112 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 [2022-03-20 08:31:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 08:31:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 08:31:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 08:31:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-20 08:31:53,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 08:31:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 08:31:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 08:31:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 08:31:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 08:31:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-20 08:31:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-20 08:31:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 08:31:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 08:31:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 08:31:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 08:31:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 08:31:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 08:31:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 08:31:53,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 08:31:53,187 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 08:31:53,189 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 08:31:53,315 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 08:31:53,319 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 08:31:53,319 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-20 08:31:53,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 08:31:53 BoogieIcfgContainer [2022-03-20 08:31:53,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 08:31:53,321 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 08:31:53,321 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 08:31:53,322 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 08:31:53,324 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 08:31:53" (1/1) ... [2022-03-20 08:31:53,341 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR