/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/loops-crafted-1/vnew1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 09:03:26,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 09:03:26,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 09:03:26,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 09:03:26,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 09:03:26,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 09:03:26,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 09:03:26,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 09:03:26,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 09:03:26,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 09:03:26,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 09:03:26,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 09:03:26,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 09:03:26,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 09:03:26,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 09:03:26,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 09:03:26,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 09:03:26,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 09:03:26,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 09:03:26,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 09:03:26,369 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 09:03:26,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 09:03:26,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 09:03:26,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 09:03:26,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 09:03:26,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-20 09:03:26,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-20 09:03:26,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-20 09:03:26,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-20 09:03:26,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-20 09:03:26,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-20 09:03:26,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-20 09:03:26,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-20 09:03:26,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-20 09:03:26,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-20 09:03:26,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-20 09:03:26,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-20 09:03:26,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-20 09:03:26,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-20 09:03:26,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 09:03:26,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 09:03:26,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 09:03:26,389 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 09:03:26,409 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 09:03:26,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 09:03:26,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-20 09:03:26,411 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-20 09:03:26,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-20 09:03:26,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-20 09:03:26,412 INFO L138 SettingsManager]: * Use SBE=true [2022-03-20 09:03:26,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 09:03:26,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 09:03:26,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 09:03:26,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 09:03:26,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 09:03:26,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 09:03:26,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 09:03:26,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 09:03:26,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 09:03:26,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 09:03:26,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 09:03:26,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 09:03:26,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 09:03:26,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 09:03:26,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-20 09:03:26,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-20 09:03:26,414 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 09:03:26,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-20 09:03:26,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 09:03:26,414 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-20 09:03:26,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-20 09:03:26,415 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 09:03:26,415 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 09:03:26,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 09:03:26,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 09:03:26,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 09:03:26,614 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 09:03:26,615 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 09:03:26,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/vnew1.c [2022-03-20 09:03:26,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c53e335/f049ff28634d4ab59b957537bd9279c5/FLAGec255554e [2022-03-20 09:03:27,014 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 09:03:27,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/vnew1.c [2022-03-20 09:03:27,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c53e335/f049ff28634d4ab59b957537bd9279c5/FLAGec255554e [2022-03-20 09:03:27,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90c53e335/f049ff28634d4ab59b957537bd9279c5 [2022-03-20 09:03:27,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 09:03:27,028 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 09:03:27,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 09:03:27,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 09:03:27,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 09:03:27,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 09:03:27" (1/1) ... [2022-03-20 09:03:27,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af86527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:03:27, skipping insertion in model container [2022-03-20 09:03:27,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 09:03:27" (1/1) ... [2022-03-20 09:03:27,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 09:03:27,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 09:03:27,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/vnew1.c[403,416] [2022-03-20 09:03:27,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 09:03:27,189 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 09:03:27,198 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/vnew1.c[403,416] [2022-03-20 09:03:27,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 09:03:27,215 INFO L208 MainTranslator]: Completed translation [2022-03-20 09:03:27,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:03:27 WrapperNode [2022-03-20 09:03:27,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 09:03:27,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 09:03:27,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 09:03:27,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 09:03:27,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:03:27" (1/1) ... [2022-03-20 09:03:27,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:03:27" (1/1) ... [2022-03-20 09:03:27,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:03:27" (1/1) ... [2022-03-20 09:03:27,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:03:27" (1/1) ... [2022-03-20 09:03:27,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:03:27" (1/1) ... [2022-03-20 09:03:27,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:03:27" (1/1) ... [2022-03-20 09:03:27,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:03:27" (1/1) ... [2022-03-20 09:03:27,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 09:03:27,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 09:03:27,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 09:03:27,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 09:03:27,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:03:27" (1/1) ... [2022-03-20 09:03:27,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 09:03:27,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 09:03:27,273 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 09:03:27,280 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 09:03:27,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 09:03:27,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 09:03:27,307 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 09:03:27,307 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-20 09:03:27,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-20 09:03:27,307 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 09:03:27,307 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 09:03:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 09:03:27,308 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 09:03:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 09:03:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-20 09:03:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-20 09:03:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2022-03-20 09:03:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 09:03:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 09:03:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 09:03:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 09:03:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 09:03:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 09:03:27,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 09:03:27,356 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 09:03:27,358 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 09:03:27,450 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 09:03:27,454 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 09:03:27,454 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-03-20 09:03:27,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 09:03:27 BoogieIcfgContainer [2022-03-20 09:03:27,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 09:03:27,456 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 09:03:27,456 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 09:03:27,458 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 09:03:27,460 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 09:03:27" (1/1) ... [2022-03-20 09:03:27,461 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-03-20 09:03:29,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 09:03:29 BasicIcfg [2022-03-20 09:03:29,485 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 09:03:29,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 09:03:29,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 09:03:29,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 09:03:29,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 09:03:27" (1/4) ... [2022-03-20 09:03:29,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@804a53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 09:03:29, skipping insertion in model container [2022-03-20 09:03:29,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:03:27" (2/4) ... [2022-03-20 09:03:29,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@804a53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 09:03:29, skipping insertion in model container [2022-03-20 09:03:29,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 09:03:27" (3/4) ... [2022-03-20 09:03:29,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@804a53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 09:03:29, skipping insertion in model container [2022-03-20 09:03:29,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 09:03:29" (4/4) ... [2022-03-20 09:03:29,490 INFO L111 eAbstractionObserver]: Analyzing ICFG vnew1.cqvasr [2022-03-20 09:03:29,493 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-20 09:03:29,493 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 09:03:29,530 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 09:03:29,534 INFO L340 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=FINITE_AUTOMATA, 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 [2022-03-20 09:03:29,535 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 09:03:29,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-03-20 09:03:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-20 09:03:29,547 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 09:03:29,547 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 09:03:29,547 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 09:03:29,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 09:03:29,551 INFO L85 PathProgramCache]: Analyzing trace with hash 565582179, now seen corresponding path program 1 times [2022-03-20 09:03:29,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 09:03:29,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534678263] [2022-03-20 09:03:29,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 09:03:29,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 09:03:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 09:03:29,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 09:03:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 09:03:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 09:03:29,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 09:03:29,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534678263] [2022-03-20 09:03:29,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534678263] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 09:03:29,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 09:03:29,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-20 09:03:29,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552212350] [2022-03-20 09:03:29,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 09:03:29,679 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-20 09:03:29,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 09:03:29,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-20 09:03:29,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-20 09:03:29,701 INFO L87 Difference]: Start difference. First operand has 23 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 09:03:29,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 09:03:29,730 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2022-03-20 09:03:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-20 09:03:29,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-03-20 09:03:29,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 09:03:29,738 INFO L225 Difference]: With dead ends: 39 [2022-03-20 09:03:29,738 INFO L226 Difference]: Without dead ends: 18 [2022-03-20 09:03:29,740 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-20 09:03:29,742 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 15 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-20 09:03:29,743 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 24 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-20 09:03:29,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-03-20 09:03:29,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-03-20 09:03:29,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-03-20 09:03:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-03-20 09:03:29,763 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 14 [2022-03-20 09:03:29,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 09:03:29,763 INFO L478 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-03-20 09:03:29,763 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 09:03:29,764 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-03-20 09:03:29,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-20 09:03:29,764 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 09:03:29,764 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 09:03:29,764 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 09:03:29,765 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 09:03:29,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 09:03:29,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1453085860, now seen corresponding path program 1 times [2022-03-20 09:03:29,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 09:03:29,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822868877] [2022-03-20 09:03:29,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 09:03:29,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 09:03:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 09:03:29,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 09:03:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 09:03:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 09:03:29,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 09:03:29,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822868877] [2022-03-20 09:03:29,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822868877] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 09:03:29,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 09:03:29,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 09:03:29,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828434587] [2022-03-20 09:03:29,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 09:03:29,873 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 09:03:29,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 09:03:29,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 09:03:29,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-20 09:03:29,874 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 09:03:29,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 09:03:29,910 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-03-20 09:03:29,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-20 09:03:29,910 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-03-20 09:03:29,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 09:03:29,911 INFO L225 Difference]: With dead ends: 19 [2022-03-20 09:03:29,911 INFO L226 Difference]: Without dead ends: 0 [2022-03-20 09:03:29,911 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-03-20 09:03:29,912 INFO L913 BasicCegarLoop]: 7 mSDtfsCounter, 7 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-20 09:03:29,913 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 19 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-20 09:03:29,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-20 09:03:29,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-20 09:03:29,913 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) [2022-03-20 09:03:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-20 09:03:29,914 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-03-20 09:03:29,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 09:03:29,914 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-20 09:03:29,914 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-03-20 09:03:29,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-20 09:03:29,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-20 09:03:29,916 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 09:03:29,916 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 09:03:29,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-20 09:03:29,955 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~SIZE~0)| ~SIZE~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-03-20 09:03:29,955 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-20 09:03:29,955 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-20 09:03:29,955 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-20 09:03:29,956 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-20 09:03:29,956 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-20 09:03:29,956 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-20 09:03:29,956 INFO L885 garLoopResultBuilder]: At program point mainENTRY(lines 16 33) the Hoare annotation is: true [2022-03-20 09:03:29,956 INFO L882 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-03-20 09:03:29,956 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 16 33) no Hoare annotation was computed. [2022-03-20 09:03:29,957 INFO L878 garLoopResultBuilder]: At program point L22-2(lines 22 25) the Hoare annotation is: (= main_~i~0 0) [2022-03-20 09:03:29,957 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 16 33) no Hoare annotation was computed. [2022-03-20 09:03:29,957 INFO L882 garLoopResultBuilder]: For program point L22-3(lines 22 25) no Hoare annotation was computed. [2022-03-20 09:03:29,958 INFO L878 garLoopResultBuilder]: At program point L27-2(lines 27 31) the Hoare annotation is: (and (<= (+ (* (div main_~j~0 4294967296) 12884901888) main_~n~0) (let ((.cse0 (div main_~n~0 4294967296))) (+ (* .cse0 4294967296) (* (div (div (+ main_~n~0 (* .cse0 (- 4294967296))) 3) 4294967296) 12884901888)))) (= main_~j~0 0) (= main_~i~0 0)) [2022-03-20 09:03:29,958 INFO L882 garLoopResultBuilder]: For program point L27-3(lines 27 31) no Hoare annotation was computed. [2022-03-20 09:03:29,958 INFO L878 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: false [2022-03-20 09:03:29,958 INFO L882 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2022-03-20 09:03:29,958 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 8 13) the Hoare annotation is: true [2022-03-20 09:03:29,958 INFO L882 garLoopResultBuilder]: For program point L9(lines 9 11) no Hoare annotation was computed. [2022-03-20 09:03:29,959 INFO L882 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-03-20 09:03:29,959 INFO L882 garLoopResultBuilder]: For program point L9-2(lines 8 13) no Hoare annotation was computed. [2022-03-20 09:03:29,959 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2022-03-20 09:03:29,959 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 8 13) no Hoare annotation was computed. [2022-03-20 09:03:29,962 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-20 09:03:29,962 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 09:03:29,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 09:03:29 BasicIcfg [2022-03-20 09:03:29,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 09:03:29,977 INFO L158 Benchmark]: Toolchain (without parser) took 2948.97ms. Allocated memory was 202.4MB in the beginning and 351.3MB in the end (delta: 148.9MB). Free memory was 146.8MB in the beginning and 263.3MB in the end (delta: -116.5MB). Peak memory consumption was 32.3MB. Max. memory is 8.0GB. [2022-03-20 09:03:29,978 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 202.4MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 09:03:29,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.87ms. Allocated memory was 202.4MB in the beginning and 351.3MB in the end (delta: 148.9MB). Free memory was 146.6MB in the beginning and 324.1MB in the end (delta: -177.5MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-03-20 09:03:29,983 INFO L158 Benchmark]: Boogie Preprocessor took 24.97ms. Allocated memory is still 351.3MB. Free memory was 324.1MB in the beginning and 322.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-20 09:03:29,983 INFO L158 Benchmark]: RCFGBuilder took 212.64ms. Allocated memory is still 351.3MB. Free memory was 322.8MB in the beginning and 312.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-20 09:03:29,984 INFO L158 Benchmark]: IcfgTransformer took 2029.28ms. Allocated memory is still 351.3MB. Free memory was 312.4MB in the beginning and 300.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-20 09:03:29,984 INFO L158 Benchmark]: TraceAbstraction took 490.49ms. Allocated memory is still 351.3MB. Free memory was 300.0MB in the beginning and 263.3MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2022-03-20 09:03:29,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 202.4MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 187.87ms. Allocated memory was 202.4MB in the beginning and 351.3MB in the end (delta: 148.9MB). Free memory was 146.6MB in the beginning and 324.1MB in the end (delta: -177.5MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.97ms. Allocated memory is still 351.3MB. Free memory was 324.1MB in the beginning and 322.8MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 212.64ms. Allocated memory is still 351.3MB. Free memory was 322.8MB in the beginning and 312.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * IcfgTransformer took 2029.28ms. Allocated memory is still 351.3MB. Free memory was 312.4MB in the beginning and 300.4MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 490.49ms. Allocated memory is still 351.3MB. Free memory was 300.0MB in the beginning and 263.3MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. 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: 10]: 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 4 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, 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, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 28 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 9 PreInvPairs, 11 NumberOfFragments, 52 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 82 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 27]: Loop Invariant Derived loop invariant: (j / 4294967296 * 12884901888 + n <= n / 4294967296 * 4294967296 + (n + n / 4294967296 * -4294967296) / 3 / 4294967296 * 12884901888 && j == 0) && i == 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: i == 0 RESULT: Ultimate proved your program to be correct! [2022-03-20 09:03:30,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...