/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/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf -i ../../../trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 20:09:06,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 20:09:06,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 20:09:06,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 20:09:06,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 20:09:06,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 20:09:06,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 20:09:06,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 20:09:06,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 20:09:06,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 20:09:06,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 20:09:06,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 20:09:06,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 20:09:06,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 20:09:06,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 20:09:06,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 20:09:06,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 20:09:06,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 20:09:06,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 20:09:06,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 20:09:06,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 20:09:06,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 20:09:06,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 20:09:06,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 20:09:06,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 20:09:06,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 20:09:06,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 20:09:06,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 20:09:06,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 20:09:06,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 20:09:06,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 20:09:06,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 20:09:06,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 20:09:06,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 20:09:06,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 20:09:06,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 20:09:06,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf [2022-01-10 20:09:06,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 20:09:06,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 20:09:06,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 20:09:06,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 20:09:06,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 20:09:06,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 20:09:06,236 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 20:09:06,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 20:09:06,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 20:09:06,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 20:09:06,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 20:09:06,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 20:09:06,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 20:09:06,238 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 20:09:06,238 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 20:09:06,238 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 20:09:06,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 20:09:06,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 20:09:06,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 20:09:06,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 20:09:06,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 20:09:06,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 20:09:06,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 20:09:06,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 20:09:06,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 20:09:06,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 20:09:06,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 20:09:06,241 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 20:09:06,241 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 20:09:06,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 20:09:06,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 20:09:06,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 20:09:06,243 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 20:09:06,243 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_NONE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 20:09:06,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 20:09:06,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 20:09:06,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 20:09:06,517 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 20:09:06,517 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 20:09:06,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-2.c [2022-01-10 20:09:06,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b909d1317/75d9fe6fb9c54d42bf73a9d73d9fa954/FLAGeb7773121 [2022-01-10 20:09:06,984 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 20:09:06,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-2.c [2022-01-10 20:09:06,989 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b909d1317/75d9fe6fb9c54d42bf73a9d73d9fa954/FLAGeb7773121 [2022-01-10 20:09:06,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b909d1317/75d9fe6fb9c54d42bf73a9d73d9fa954 [2022-01-10 20:09:07,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 20:09:07,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 20:09:07,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 20:09:07,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 20:09:07,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 20:09:07,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 08:09:07" (1/1) ... [2022-01-10 20:09:07,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8f23b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:09:07, skipping insertion in model container [2022-01-10 20:09:07,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 08:09:07" (1/1) ... [2022-01-10 20:09:07,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 20:09:07,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 20:09:07,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-2.c[417,430] [2022-01-10 20:09:07,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 20:09:07,163 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 20:09:07,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitunsignedconversion-2.c[417,430] [2022-01-10 20:09:07,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 20:09:07,208 INFO L208 MainTranslator]: Completed translation [2022-01-10 20:09:07,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:09:07 WrapperNode [2022-01-10 20:09:07,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 20:09:07,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 20:09:07,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 20:09:07,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 20:09:07,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:09:07" (1/1) ... [2022-01-10 20:09:07,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:09:07" (1/1) ... [2022-01-10 20:09:07,240 INFO L137 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-01-10 20:09:07,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 20:09:07,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 20:09:07,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 20:09:07,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 20:09:07,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:09:07" (1/1) ... [2022-01-10 20:09:07,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:09:07" (1/1) ... [2022-01-10 20:09:07,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:09:07" (1/1) ... [2022-01-10 20:09:07,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:09:07" (1/1) ... [2022-01-10 20:09:07,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:09:07" (1/1) ... [2022-01-10 20:09:07,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:09:07" (1/1) ... [2022-01-10 20:09:07,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:09:07" (1/1) ... [2022-01-10 20:09:07,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 20:09:07,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 20:09:07,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 20:09:07,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 20:09:07,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:09:07" (1/1) ... [2022-01-10 20:09:07,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 20:09:07,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 20:09:07,297 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) [2022-01-10 20:09:07,299 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 [2022-01-10 20:09:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 20:09:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 20:09:07,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 20:09:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 20:09:07,384 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 20:09:07,386 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 20:09:07,467 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 20:09:07,473 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 20:09:07,473 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 20:09:07,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:09:07 BoogieIcfgContainer [2022-01-10 20:09:07,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 20:09:07,477 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 20:09:07,477 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 20:09:07,478 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 20:09:07,480 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:09:07" (1/1) ... [2022-01-10 20:09:07,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 08:09:07 BasicIcfg [2022-01-10 20:09:07,554 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 20:09:07,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 20:09:07,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 20:09:07,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 20:09:07,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 08:09:07" (1/4) ... [2022-01-10 20:09:07,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691f2af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 08:09:07, skipping insertion in model container [2022-01-10 20:09:07,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:09:07" (2/4) ... [2022-01-10 20:09:07,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691f2af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 08:09:07, skipping insertion in model container [2022-01-10 20:09:07,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:09:07" (3/4) ... [2022-01-10 20:09:07,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@691f2af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 08:09:07, skipping insertion in model container [2022-01-10 20:09:07,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 08:09:07" (4/4) ... [2022-01-10 20:09:07,563 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitunsignedconversion-2.cTransformedIcfg [2022-01-10 20:09:07,573 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 20:09:07,574 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 20:09:07,626 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 20:09:07,643 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 20:09:07,644 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 20:09:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 20:09:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-01-10 20:09:07,666 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 20:09:07,666 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-01-10 20:09:07,667 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 20:09:07,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 20:09:07,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1355524, now seen corresponding path program 1 times [2022-01-10 20:09:07,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 20:09:07,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742137036] [2022-01-10 20:09:07,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 20:09:07,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 20:09:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 20:09:07,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 20:09:07,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 20:09:07,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742137036] [2022-01-10 20:09:07,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742137036] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 20:09:07,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 20:09:07,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 20:09:07,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548771259] [2022-01-10 20:09:07,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 20:09:07,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 20:09:07,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 20:09:07,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 20:09:07,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 20:09:07,933 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 20:09:07,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 20:09:07,945 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2022-01-10 20:09:07,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 20:09:07,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-01-10 20:09:07,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 20:09:07,952 INFO L225 Difference]: With dead ends: 11 [2022-01-10 20:09:07,952 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 20:09:07,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 20:09:07,958 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 20:09:07,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 5 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 20:09:07,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 20:09:07,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 20:09:07,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 20:09:07,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 20:09:07,980 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-01-10 20:09:07,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 20:09:07,980 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 20:09:07,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 20:09:07,981 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 20:09:07,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 20:09:07,983 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 20:09:07,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 20:09:07,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 20:09:07,997 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 20:09:07,997 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 20:09:07,997 INFO L858 garLoopResultBuilder]: For program point L9(lines 9 11) no Hoare annotation was computed. [2022-01-10 20:09:07,997 INFO L854 garLoopResultBuilder]: At program point L10(lines 5 16) the Hoare annotation is: false [2022-01-10 20:09:07,998 INFO L854 garLoopResultBuilder]: At program point L15(lines 5 16) the Hoare annotation is: (and (<= 4294967295 |ULTIMATE.start_ULTIMATE.start_main_~minus_one~0#1Int|) (= (+ (- 1) |ULTIMATE.start_ULTIMATE.start_main_~plus_one~0#1Int|) 0)) [2022-01-10 20:09:07,998 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2022-01-10 20:09:07,998 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 20:09:07,998 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 20:09:08,002 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-10 20:09:08,003 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 20:09:08,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 08:09:08 BasicIcfg [2022-01-10 20:09:08,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 20:09:08,029 INFO L158 Benchmark]: Toolchain (without parser) took 1024.68ms. Allocated memory was 179.3MB in the beginning and 229.6MB in the end (delta: 50.3MB). Free memory was 121.3MB in the beginning and 166.6MB in the end (delta: -45.3MB). Peak memory consumption was 5.6MB. Max. memory is 8.0GB. [2022-01-10 20:09:08,030 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 20:09:08,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.97ms. Allocated memory was 179.3MB in the beginning and 229.6MB in the end (delta: 50.3MB). Free memory was 121.1MB in the beginning and 202.8MB in the end (delta: -81.7MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. [2022-01-10 20:09:08,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.74ms. Allocated memory is still 229.6MB. Free memory was 202.8MB in the beginning and 201.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 20:09:08,036 INFO L158 Benchmark]: Boogie Preprocessor took 15.34ms. Allocated memory is still 229.6MB. Free memory was 201.2MB in the beginning and 200.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 20:09:08,037 INFO L158 Benchmark]: RCFGBuilder took 218.78ms. Allocated memory is still 229.6MB. Free memory was 200.1MB in the beginning and 191.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-10 20:09:08,038 INFO L158 Benchmark]: IcfgTransformer took 77.28ms. Allocated memory is still 229.6MB. Free memory was 191.3MB in the beginning and 188.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 20:09:08,038 INFO L158 Benchmark]: TraceAbstraction took 472.05ms. Allocated memory is still 229.6MB. Free memory was 188.1MB in the beginning and 166.6MB in the end (delta: 21.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2022-01-10 20:09:08,045 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory is still 137.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 202.97ms. Allocated memory was 179.3MB in the beginning and 229.6MB in the end (delta: 50.3MB). Free memory was 121.1MB in the beginning and 202.8MB in the end (delta: -81.7MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.74ms. Allocated memory is still 229.6MB. Free memory was 202.8MB in the beginning and 201.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.34ms. Allocated memory is still 229.6MB. Free memory was 201.2MB in the beginning and 200.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 218.78ms. Allocated memory is still 229.6MB. Free memory was 200.1MB in the beginning and 191.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * IcfgTransformer took 77.28ms. Allocated memory is still 229.6MB. Free memory was 191.3MB in the beginning and 188.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 472.05ms. Allocated memory is still 229.6MB. Free memory was 188.1MB in the beginning and 166.6MB in the end (delta: 21.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0bv33 == ~bvadd32(8589934591bv33, ~zero_extendFrom32To33(plus_one)) && ~bvule32(4294967295bv32, minus_one) RESULT: Ultimate proved your program to be correct! [2022-01-10 20:09:08,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...