/usr/bin/java -ea -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/net_reset.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 22:19:29,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 22:19:29,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 22:19:29,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-27 22:19:29,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-27 22:19:29,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-27 22:19:29,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-27 22:19:29,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-27 22:19:29,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-27 22:19:29,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-27 22:19:29,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-27 22:19:29,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-27 22:19:29,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 22:19:29,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 22:19:29,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 22:19:29,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 22:19:29,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 22:19:29,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 22:19:29,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 22:19:29,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 22:19:29,616 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 22:19:29,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 22:19:29,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 22:19:29,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 22:19:29,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 22:19:29,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-27 22:19:29,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 22:19:29,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 22:19:29,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 22:19:29,635 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-27 22:19:29,655 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 22:19:29,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 22:19:29,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-27 22:19:29,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-27 22:19:29,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-27 22:19:29,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-27 22:19:29,657 INFO L138 SettingsManager]: * Use SBE=true [2022-04-27 22:19:29,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 22:19:29,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 22:19:29,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 22:19:29,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 22:19:29,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 22:19:29,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 22:19:29,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 22:19:29,658 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 22:19:29,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 22:19:29,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 22:19:29,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 22:19:29,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 22:19:29,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 22:19:29,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 22:19:29,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-27 22:19:29,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-27 22:19:29,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 22:19:29,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-27 22:19:29,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-27 22:19:29,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-27 22:19:29,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-27 22:19:29,661 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-27 22:19:29,661 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 22:19:29,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 22:19:29,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 22:19:29,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 22:19:29,879 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 22:19:29,880 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 22:19:29,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/net_reset.c [2022-04-27 22:19:29,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca3d686ed/26f235a318b14426963c5562f1dd399a/FLAG954086e96 [2022-04-27 22:19:30,270 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 22:19:30,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/net_reset.c [2022-04-27 22:19:30,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca3d686ed/26f235a318b14426963c5562f1dd399a/FLAG954086e96 [2022-04-27 22:19:30,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca3d686ed/26f235a318b14426963c5562f1dd399a [2022-04-27 22:19:30,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 22:19:30,285 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-27 22:19:30,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 22:19:30,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 22:19:30,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 22:19:30,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 10:19:30" (1/1) ... [2022-04-27 22:19:30,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15499e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:19:30, skipping insertion in model container [2022-04-27 22:19:30,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 10:19:30" (1/1) ... [2022-04-27 22:19:30,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 22:19:30,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 22:19:30,444 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/net_reset.c[4546,4559] [2022-04-27 22:19:30,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 22:19:31,112 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 22:19:31,140 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/net_reset.c[4546,4559] [2022-04-27 22:19:31,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 22:19:31,164 INFO L208 MainTranslator]: Completed translation [2022-04-27 22:19:31,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:19:31 WrapperNode [2022-04-27 22:19:31,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 22:19:31,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 22:19:31,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 22:19:31,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 22:19:31,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:19:31" (1/1) ... [2022-04-27 22:19:31,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:19:31" (1/1) ... [2022-04-27 22:19:31,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:19:31" (1/1) ... [2022-04-27 22:19:31,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:19:31" (1/1) ... [2022-04-27 22:19:31,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:19:31" (1/1) ... [2022-04-27 22:19:31,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:19:31" (1/1) ... [2022-04-27 22:19:31,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:19:31" (1/1) ... [2022-04-27 22:19:31,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 22:19:31,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 22:19:31,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 22:19:31,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 22:19:31,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:19:31" (1/1) ... [2022-04-27 22:19:31,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 22:19:31,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 22:19:31,235 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) [2022-04-27 22:19:31,241 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 [2022-04-27 22:19:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 22:19:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 22:19:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 22:19:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-27 22:19:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reset [2022-04-27 22:19:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure net_send_batch [2022-04-27 22:19:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reopen [2022-04-27 22:19:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 22:19:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 22:19:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 22:19:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 22:19:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 22:19:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure net_reset [2022-04-27 22:19:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure net_reopen [2022-04-27 22:19:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure net_send_batch [2022-04-27 22:19:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure addrcmp [2022-04-27 22:19:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-27 22:19:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 22:19:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 22:19:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-27 22:19:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 22:19:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 22:19:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 22:19:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 22:19:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 22:19:31,380 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 22:19:31,381 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 22:19:31,545 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 22:19:31,550 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 22:19:31,550 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-27 22:19:31,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 10:19:31 BoogieIcfgContainer [2022-04-27 22:19:31,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 22:19:31,552 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-27 22:19:31,552 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-27 22:19:31,558 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-27 22:19:31,560 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 10:19:31" (1/1) ... [2022-04-27 22:19:31,563 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-27 22:19:31,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 10:19:31 BasicIcfg [2022-04-27 22:19:31,588 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-27 22:19:31,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 22:19:31,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 22:19:31,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 22:19:31,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 10:19:30" (1/4) ... [2022-04-27 22:19:31,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d03590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 10:19:31, skipping insertion in model container [2022-04-27 22:19:31,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 10:19:31" (2/4) ... [2022-04-27 22:19:31,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d03590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 10:19:31, skipping insertion in model container [2022-04-27 22:19:31,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 10:19:31" (3/4) ... [2022-04-27 22:19:31,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d03590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 10:19:31, skipping insertion in model container [2022-04-27 22:19:31,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 10:19:31" (4/4) ... [2022-04-27 22:19:31,592 INFO L111 eAbstractionObserver]: Analyzing ICFG net_reset.cqvasr [2022-04-27 22:19:31,601 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-27 22:19:31,601 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 22:19:31,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 22:19:31,634 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1445e263, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2f55d2e0 [2022-04-27 22:19:31,634 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 22:19:31,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-04-27 22:19:31,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-04-27 22:19:31,644 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 22:19:31,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 22:19:31,644 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 22:19:31,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 22:19:31,649 INFO L85 PathProgramCache]: Analyzing trace with hash -124797815, now seen corresponding path program 1 times [2022-04-27 22:19:31,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 22:19:31,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572755543] [2022-04-27 22:19:31,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 22:19:31,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 22:19:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 22:19:31,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 22:19:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 22:19:31,924 INFO L290 TraceCheckUtils]: 0: Hoare triple {53#(and (= |old(~batch_at~0)| ~batch_at~0) (= |~#unspec_addr~0.base| |old(~#unspec_addr~0.base)|) (= ~fstTTL~0 |old(~fstTTL~0)|) (= |~#host~0.offset| |old(~#host~0.offset)|) (= |#memory_int| |old(#memory_int)|) (= |~#host~0.base| |old(~#host~0.base)|) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~#unspec_addr~0.offset)| |~#unspec_addr~0.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [83] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_2| |v_~#unspec_addr~0.base_1|)) (.cse1 (select |v_#memory_int_3| 1))) (and (= (store |v_#memory_int_3| |v_~#host~0.base_1| ((as const (Array Int Int)) 0)) |v_#memory_int_2|) (= (select .cse0 (+ 7 |v_~#unspec_addr~0.offset_1|)) 0) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 14)) 0) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 2)) 0) (= (select |v_#valid_5| 1) 1) (= |v_~#host~0.offset_1| 0) (= 2 (select |v_#length_3| 1)) (= 259072 (select |v_#length_3| 5)) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 3)) 0) (< 0 |v_#StackHeapBarrier_2|) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 11)) 0) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 9)) 0) (= 5 |v_~#host~0.base_1|) (= 16 (select |v_#length_3| 6)) (= v_~fstTTL~0_2 1) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 6)) 0) (= (select .cse0 |v_~#unspec_addr~0.offset_1|) 0) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 8)) 0) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 10)) 0) (= |v_#NULL.base_1| 0) (= (select |v_#valid_5| 6) 1) (= (select |v_#valid_5| 5) 1) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 15)) 0) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 4)) 0) (= (select |v_#valid_5| 2) 1) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 12)) 0) (= |v_~#unspec_addr~0.offset_1| 0) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 13)) 0) (= 19 (select |v_#length_3| 4)) (= v_~__tmpTR__int_1~0_5 0) (= (select .cse1 0) 48) (= 1 (select |v_#valid_5| 3)) (= 12 (select |v_#length_3| 2)) (= v_~batch_at~0_6 0) (= |v_~#unspec_addr~0.base_1| 6) (= (select |v_#valid_5| 0) 0) (= (select .cse0 (+ 5 |v_~#unspec_addr~0.offset_1|)) 0) (= |v_#NULL.offset_1| 0) (= (select |v_#valid_5| 4) 1) (= 12 (select |v_#length_3| 3)) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 1)) 0) (= (select .cse1 1) 0))) InVars {#memory_int=|v_#memory_int_3|, #StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, #valid=|v_#valid_5|} OutVars{~__tmpTR__int_1~0=v_~__tmpTR__int_1~0_5, ~batch_at~0=v_~batch_at~0_6, ~#unspec_addr~0.base=|v_~#unspec_addr~0.base_1|, #NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|, #StackHeapBarrier=|v_#StackHeapBarrier_2|, ~fstTTL~0=v_~fstTTL~0_2, #valid=|v_#valid_5|, ~#host~0.offset=|v_~#host~0.offset_1|, #memory_int=|v_#memory_int_2|, ~#host~0.base=|v_~#host~0.base_1|, #length=|v_#length_3|, ~#unspec_addr~0.offset=|v_~#unspec_addr~0.offset_1|} AuxVars[] AssignedVars[~__tmpTR__int_1~0, ~batch_at~0, ~fstTTL~0, ~#unspec_addr~0.base, ~#host~0.offset, #memory_int, #NULL.offset, ~#host~0.base, ~#unspec_addr~0.offset, #NULL.base] {43#true} is VALID [2022-04-27 22:19:31,924 INFO L290 TraceCheckUtils]: 1: Hoare triple {43#true} [86] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-27 22:19:31,924 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {43#true} {43#true} [121] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-27 22:19:31,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-04-27 22:19:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 22:19:31,949 INFO L290 TraceCheckUtils]: 0: Hoare triple {54#(= |old(~batch_at~0)| ~batch_at~0)} [100] net_resetENTRY-->net_resetFINAL: Formula: (= v_~batch_at~0_5 (+ (- 1) v_~fstTTL~0_1)) InVars {~fstTTL~0=v_~fstTTL~0_1} OutVars{~batch_at~0=v_~batch_at~0_5, ~fstTTL~0=v_~fstTTL~0_1} AuxVars[] AssignedVars[~batch_at~0] {51#(<= (+ ~batch_at~0 1) ~fstTTL~0)} is VALID [2022-04-27 22:19:31,950 INFO L290 TraceCheckUtils]: 1: Hoare triple {51#(<= (+ ~batch_at~0 1) ~fstTTL~0)} [103] net_resetFINAL-->net_resetEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {51#(<= (+ ~batch_at~0 1) ~fstTTL~0)} is VALID [2022-04-27 22:19:31,951 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {51#(<= (+ ~batch_at~0 1) ~fstTTL~0)} {43#true} [123] net_resetEXIT-->L229-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {51#(<= (+ ~batch_at~0 1) ~fstTTL~0)} is VALID [2022-04-27 22:19:31,957 INFO L272 TraceCheckUtils]: 0: Hoare triple {43#true} [81] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {53#(and (= |old(~batch_at~0)| ~batch_at~0) (= |~#unspec_addr~0.base| |old(~#unspec_addr~0.base)|) (= ~fstTTL~0 |old(~fstTTL~0)|) (= |~#host~0.offset| |old(~#host~0.offset)|) (= |#memory_int| |old(#memory_int)|) (= |~#host~0.base| |old(~#host~0.base)|) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~#unspec_addr~0.offset)| |~#unspec_addr~0.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 22:19:31,958 INFO L290 TraceCheckUtils]: 1: Hoare triple {53#(and (= |old(~batch_at~0)| ~batch_at~0) (= |~#unspec_addr~0.base| |old(~#unspec_addr~0.base)|) (= ~fstTTL~0 |old(~fstTTL~0)|) (= |~#host~0.offset| |old(~#host~0.offset)|) (= |#memory_int| |old(#memory_int)|) (= |~#host~0.base| |old(~#host~0.base)|) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~#unspec_addr~0.offset)| |~#unspec_addr~0.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [83] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_int_2| |v_~#unspec_addr~0.base_1|)) (.cse1 (select |v_#memory_int_3| 1))) (and (= (store |v_#memory_int_3| |v_~#host~0.base_1| ((as const (Array Int Int)) 0)) |v_#memory_int_2|) (= (select .cse0 (+ 7 |v_~#unspec_addr~0.offset_1|)) 0) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 14)) 0) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 2)) 0) (= (select |v_#valid_5| 1) 1) (= |v_~#host~0.offset_1| 0) (= 2 (select |v_#length_3| 1)) (= 259072 (select |v_#length_3| 5)) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 3)) 0) (< 0 |v_#StackHeapBarrier_2|) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 11)) 0) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 9)) 0) (= 5 |v_~#host~0.base_1|) (= 16 (select |v_#length_3| 6)) (= v_~fstTTL~0_2 1) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 6)) 0) (= (select .cse0 |v_~#unspec_addr~0.offset_1|) 0) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 8)) 0) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 10)) 0) (= |v_#NULL.base_1| 0) (= (select |v_#valid_5| 6) 1) (= (select |v_#valid_5| 5) 1) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 15)) 0) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 4)) 0) (= (select |v_#valid_5| 2) 1) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 12)) 0) (= |v_~#unspec_addr~0.offset_1| 0) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 13)) 0) (= 19 (select |v_#length_3| 4)) (= v_~__tmpTR__int_1~0_5 0) (= (select .cse1 0) 48) (= 1 (select |v_#valid_5| 3)) (= 12 (select |v_#length_3| 2)) (= v_~batch_at~0_6 0) (= |v_~#unspec_addr~0.base_1| 6) (= (select |v_#valid_5| 0) 0) (= (select .cse0 (+ 5 |v_~#unspec_addr~0.offset_1|)) 0) (= |v_#NULL.offset_1| 0) (= (select |v_#valid_5| 4) 1) (= 12 (select |v_#length_3| 3)) (= (select .cse0 (+ |v_~#unspec_addr~0.offset_1| 1)) 0) (= (select .cse1 1) 0))) InVars {#memory_int=|v_#memory_int_3|, #StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, #valid=|v_#valid_5|} OutVars{~__tmpTR__int_1~0=v_~__tmpTR__int_1~0_5, ~batch_at~0=v_~batch_at~0_6, ~#unspec_addr~0.base=|v_~#unspec_addr~0.base_1|, #NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|, #StackHeapBarrier=|v_#StackHeapBarrier_2|, ~fstTTL~0=v_~fstTTL~0_2, #valid=|v_#valid_5|, ~#host~0.offset=|v_~#host~0.offset_1|, #memory_int=|v_#memory_int_2|, ~#host~0.base=|v_~#host~0.base_1|, #length=|v_#length_3|, ~#unspec_addr~0.offset=|v_~#unspec_addr~0.offset_1|} AuxVars[] AssignedVars[~__tmpTR__int_1~0, ~batch_at~0, ~fstTTL~0, ~#unspec_addr~0.base, ~#host~0.offset, #memory_int, #NULL.offset, ~#host~0.base, ~#unspec_addr~0.offset, #NULL.base] {43#true} is VALID [2022-04-27 22:19:31,958 INFO L290 TraceCheckUtils]: 2: Hoare triple {43#true} [86] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-27 22:19:31,958 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43#true} {43#true} [121] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-27 22:19:31,958 INFO L272 TraceCheckUtils]: 4: Hoare triple {43#true} [82] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-27 22:19:31,958 INFO L290 TraceCheckUtils]: 5: Hoare triple {43#true} [85] mainENTRY-->L235: Formula: (and (not (= |v_main_~#h~0.base_1| 0)) (= |v_main_~#h~0.offset_1| 0) (= |v_#length_1| (store |v_#length_2| |v_main_~#h~0.base_1| 32)) (< |v_#StackHeapBarrier_1| |v_main_~#h~0.base_1|) (= (select |v_#valid_2| |v_main_~#h~0.base_1|) 0) (= (store |v_#valid_2| |v_main_~#h~0.base_1| 1) |v_#valid_1|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, main_~#h~0.offset=|v_main_~#h~0.offset_1|, main_~#h~0.base=|v_main_~#h~0.base_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[main_~#h~0.base, #valid, #length, main_~#h~0.offset] {43#true} is VALID [2022-04-27 22:19:31,959 INFO L272 TraceCheckUtils]: 6: Hoare triple {43#true} [87] L235-->net_reopenENTRY: Formula: (and (= |v_main_~#h~0.base_5| |v_net_reopen_#in~addr.baseInParam_1|) (= |v_net_reopen_#in~addr.offsetInParam_1| |v_main_~#h~0.offset_5|)) InVars {main_~#h~0.base=|v_main_~#h~0.base_5|, main_~#h~0.offset=|v_main_~#h~0.offset_5|} OutVars{net_reopen_#in~addr.offset=|v_net_reopen_#in~addr.offsetInParam_1|, net_reopen_#in~addr.base=|v_net_reopen_#in~addr.baseInParam_1|} AuxVars[] AssignedVars[net_reopen_#in~addr.offset, main_~#h~0.base, net_reopen_#in~addr.base, main_~#h~0.offset] {43#true} is VALID [2022-04-27 22:19:31,959 INFO L290 TraceCheckUtils]: 7: Hoare triple {43#true} [89] net_reopenENTRY-->L220: Formula: (and (= |v_net_reopen_#in~addr.base_1| v_net_reopen_~addr.base_1) (= (select (select |v_#memory_int_1| v_net_reopen_~addr.base_1) (+ 16 v_net_reopen_~addr.offset_1)) |v_net_reopen_#t~mem6_1|) (= |v_net_reopen_#in~addr.offset_1| v_net_reopen_~addr.offset_1) (let ((.cse0 (= 2 |v_net_reopen_#t~mem6_1|))) (or (and .cse0 |v_net_reopen_#t~switch7_5|) (and (not |v_net_reopen_#t~switch7_5|) (not .cse0))))) InVars {#memory_int=|v_#memory_int_1|, net_reopen_#in~addr.offset=|v_net_reopen_#in~addr.offset_1|, net_reopen_#in~addr.base=|v_net_reopen_#in~addr.base_1|} OutVars{net_reopen_#in~addr.offset=|v_net_reopen_#in~addr.offset_1|, net_reopen_~addr.offset=v_net_reopen_~addr.offset_1, net_reopen_#in~addr.base=|v_net_reopen_#in~addr.base_1|, #memory_int=|v_#memory_int_1|, net_reopen_~addr.base=v_net_reopen_~addr.base_1, net_reopen_#t~mem6=|v_net_reopen_#t~mem6_1|, net_reopen_#t~switch7=|v_net_reopen_#t~switch7_5|} AuxVars[] AssignedVars[net_reopen_~addr.offset, net_reopen_~addr.base, net_reopen_#t~mem6, net_reopen_#t~switch7] {43#true} is VALID [2022-04-27 22:19:31,959 INFO L290 TraceCheckUtils]: 8: Hoare triple {43#true} [91] L220-->L218: Formula: |v_net_reopen_#t~switch7_7| InVars {net_reopen_#t~switch7=|v_net_reopen_#t~switch7_7|} OutVars{net_reopen_#t~switch7=|v_net_reopen_#t~switch7_7|} AuxVars[] AssignedVars[] {43#true} is VALID [2022-04-27 22:19:31,959 INFO L290 TraceCheckUtils]: 9: Hoare triple {43#true} [93] L218-->L229: Formula: true InVars {} OutVars{net_reopen_#t~mem6=|v_net_reopen_#t~mem6_2|, net_reopen_#t~switch7=|v_net_reopen_#t~switch7_6|} AuxVars[] AssignedVars[net_reopen_#t~mem6, net_reopen_#t~switch7] {43#true} is VALID [2022-04-27 22:19:31,960 INFO L272 TraceCheckUtils]: 10: Hoare triple {43#true} [96] L229-->net_resetENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {54#(= |old(~batch_at~0)| ~batch_at~0)} is VALID [2022-04-27 22:19:31,960 INFO L290 TraceCheckUtils]: 11: Hoare triple {54#(= |old(~batch_at~0)| ~batch_at~0)} [100] net_resetENTRY-->net_resetFINAL: Formula: (= v_~batch_at~0_5 (+ (- 1) v_~fstTTL~0_1)) InVars {~fstTTL~0=v_~fstTTL~0_1} OutVars{~batch_at~0=v_~batch_at~0_5, ~fstTTL~0=v_~fstTTL~0_1} AuxVars[] AssignedVars[~batch_at~0] {51#(<= (+ ~batch_at~0 1) ~fstTTL~0)} is VALID [2022-04-27 22:19:31,961 INFO L290 TraceCheckUtils]: 12: Hoare triple {51#(<= (+ ~batch_at~0 1) ~fstTTL~0)} [103] net_resetFINAL-->net_resetEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {51#(<= (+ ~batch_at~0 1) ~fstTTL~0)} is VALID [2022-04-27 22:19:31,961 INFO L284 TraceCheckUtils]: 13: Hoare quadruple {51#(<= (+ ~batch_at~0 1) ~fstTTL~0)} {43#true} [123] net_resetEXIT-->L229-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {51#(<= (+ ~batch_at~0 1) ~fstTTL~0)} is VALID [2022-04-27 22:19:31,962 INFO L272 TraceCheckUtils]: 14: Hoare triple {51#(<= (+ ~batch_at~0 1) ~fstTTL~0)} [99] L229-1-->net_send_batchENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {51#(<= (+ ~batch_at~0 1) ~fstTTL~0)} is VALID [2022-04-27 22:19:31,962 INFO L290 TraceCheckUtils]: 15: Hoare triple {51#(<= (+ ~batch_at~0 1) ~fstTTL~0)} [102] net_send_batchENTRY-->L208-3: Formula: (= v_net_send_batch_~i~0_5 (+ (- 1) v_~fstTTL~0_5)) InVars {~fstTTL~0=v_~fstTTL~0_5} OutVars{net_send_batch_~i~0=v_net_send_batch_~i~0_5, ~fstTTL~0=v_~fstTTL~0_5} AuxVars[] AssignedVars[net_send_batch_~i~0] {52#(<= ~batch_at~0 net_send_batch_~i~0)} is VALID [2022-04-27 22:19:31,963 INFO L290 TraceCheckUtils]: 16: Hoare triple {52#(<= ~batch_at~0 net_send_batch_~i~0)} [107] L208-3-->L210: Formula: (< v_net_send_batch_~i~0_2 v_~batch_at~0_12) InVars {~batch_at~0=v_~batch_at~0_12, net_send_batch_~i~0=v_net_send_batch_~i~0_2} OutVars{~batch_at~0=v_~batch_at~0_12, net_send_batch_~i~0=v_net_send_batch_~i~0_2} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 22:19:31,963 INFO L272 TraceCheckUtils]: 17: Hoare triple {44#false} [109] L210-->__VERIFIER_assertENTRY: Formula: (= (ite (and (< v_net_send_batch_~i~0_10 256) (<= 0 v_net_send_batch_~i~0_10)) 1 0) |v___VERIFIER_assert_#in~condInParam_1|) InVars {net_send_batch_~i~0=v_net_send_batch_~i~0_10} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~condInParam_1|} AuxVars[] AssignedVars[__VERIFIER_assert_#in~cond, net_send_batch_~i~0] {44#false} is VALID [2022-04-27 22:19:31,963 INFO L290 TraceCheckUtils]: 18: Hoare triple {44#false} [112] __VERIFIER_assertENTRY-->L194: Formula: (= v___VERIFIER_assert_~cond_1 |v___VERIFIER_assert_#in~cond_1|) InVars {__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|} OutVars{__VERIFIER_assert_#in~cond=|v___VERIFIER_assert_#in~cond_1|, __VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_1} AuxVars[] AssignedVars[__VERIFIER_assert_~cond] {44#false} is VALID [2022-04-27 22:19:31,963 INFO L290 TraceCheckUtils]: 19: Hoare triple {44#false} [115] L194-->L195: Formula: (= v___VERIFIER_assert_~cond_2 0) InVars {__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} OutVars{__VERIFIER_assert_~cond=v___VERIFIER_assert_~cond_2} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 22:19:31,963 INFO L290 TraceCheckUtils]: 20: Hoare triple {44#false} [118] L195-->__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {44#false} is VALID [2022-04-27 22:19:31,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 22:19:31,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 22:19:31,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572755543] [2022-04-27 22:19:31,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572755543] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 22:19:31,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 22:19:31,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-27 22:19:31,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340113863] [2022-04-27 22:19:31,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 22:19:31,970 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-04-27 22:19:31,971 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 22:19:31,972 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 22:19:31,995 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 22:19:32,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-27 22:19:32,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 22:19:32,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-27 22:19:32,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-04-27 22:19:32,057 INFO L87 Difference]: Start difference. First operand has 40 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 27 states have internal predecessors, (34), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 22:19:32,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 22:19:32,400 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2022-04-27 22:19:32,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-27 22:19:32,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-04-27 22:19:32,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 22:19:32,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 22:19:32,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 59 transitions. [2022-04-27 22:19:32,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 22:19:32,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 59 transitions. [2022-04-27 22:19:32,421 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 59 transitions. [2022-04-27 22:19:32,478 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 22:19:32,481 INFO L225 Difference]: With dead ends: 52 [2022-04-27 22:19:32,481 INFO L226 Difference]: Without dead ends: 0 [2022-04-27 22:19:32,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-04-27 22:19:32,485 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 39 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-27 22:19:32,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 42 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-27 22:19:32,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-27 22:19:32,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-27 22:19:32,498 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-27 22:19:32,499 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second 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) [2022-04-27 22:19:32,499 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second 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) [2022-04-27 22:19:32,499 INFO L87 Difference]: Start difference. First operand 0 states. Second 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) [2022-04-27 22:19:32,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 22:19:32,499 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-27 22:19:32,500 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 22:19:32,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 22:19:32,500 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 22:19:32,500 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 0 states. [2022-04-27 22:19:32,500 INFO L87 Difference]: Start difference. First 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) Second operand 0 states. [2022-04-27 22:19:32,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 22:19:32,500 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-04-27 22:19:32,500 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 22:19:32,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 22:19:32,500 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-27 22:19:32,500 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-27 22:19:32,500 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-27 22:19:32,501 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) [2022-04-27 22:19:32,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-27 22:19:32,501 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-04-27 22:19:32,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-27 22:19:32,502 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-27 22:19:32,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 4 states have internal predecessors, (13), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-04-27 22:19:32,502 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-27 22:19:32,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-27 22:19:32,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-27 22:19:32,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 22:19:32,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-27 22:19:32,663 INFO L895 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~batch_at~0)| ~batch_at~0) (= |~#unspec_addr~0.base| |old(~#unspec_addr~0.base)|) (= ~fstTTL~0 |old(~fstTTL~0)|) (= |~#host~0.offset| |old(~#host~0.offset)|) (= |#memory_int| |old(#memory_int)|) (= |~#host~0.base| |old(~#host~0.base)|) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~#unspec_addr~0.offset)| |~#unspec_addr~0.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-27 22:19:32,663 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-04-27 22:19:32,663 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-04-27 22:19:32,663 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-27 22:19:32,663 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2022-04-27 22:19:32,663 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-04-27 22:19:32,663 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-04-27 22:19:32,663 INFO L895 garLoopResultBuilder]: At program point mainENTRY(lines 233 237) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~batch_at~0)| ~batch_at~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2022-04-27 22:19:32,664 INFO L895 garLoopResultBuilder]: At program point L235(line 235) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~batch_at~0)| ~batch_at~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2022-04-27 22:19:32,664 INFO L899 garLoopResultBuilder]: For program point L235-1(line 235) no Hoare annotation was computed. [2022-04-27 22:19:32,664 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 233 237) no Hoare annotation was computed. [2022-04-27 22:19:32,664 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 233 237) no Hoare annotation was computed. [2022-04-27 22:19:32,664 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 193 198) the Hoare annotation is: true [2022-04-27 22:19:32,664 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 196) no Hoare annotation was computed. [2022-04-27 22:19:32,664 INFO L899 garLoopResultBuilder]: For program point L195(line 195) no Hoare annotation was computed. [2022-04-27 22:19:32,664 INFO L899 garLoopResultBuilder]: For program point L194-2(lines 193 198) no Hoare annotation was computed. [2022-04-27 22:19:32,664 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 195) no Hoare annotation was computed. [2022-04-27 22:19:32,664 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 193 198) no Hoare annotation was computed. [2022-04-27 22:19:32,664 INFO L895 garLoopResultBuilder]: At program point net_send_batchENTRY(lines 205 215) the Hoare annotation is: (or (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (not (<= (+ ~batch_at~0 1) ~fstTTL~0))) [2022-04-27 22:19:32,665 INFO L895 garLoopResultBuilder]: At program point L208-3(lines 208 213) the Hoare annotation is: (or (and (<= ~batch_at~0 net_send_batch_~i~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0)) (not (<= (+ ~batch_at~0 1) ~fstTTL~0))) [2022-04-27 22:19:32,665 INFO L899 garLoopResultBuilder]: For program point L208-4(lines 208 213) no Hoare annotation was computed. [2022-04-27 22:19:32,665 INFO L895 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2022-04-27 22:19:32,665 INFO L899 garLoopResultBuilder]: For program point net_send_batchFINAL(lines 205 215) no Hoare annotation was computed. [2022-04-27 22:19:32,665 INFO L899 garLoopResultBuilder]: For program point L210-1(line 210) no Hoare annotation was computed. [2022-04-27 22:19:32,665 INFO L899 garLoopResultBuilder]: For program point net_send_batchEXIT(lines 205 215) no Hoare annotation was computed. [2022-04-27 22:19:32,665 INFO L899 garLoopResultBuilder]: For program point L210-2(lines 210 211) no Hoare annotation was computed. [2022-04-27 22:19:32,665 INFO L899 garLoopResultBuilder]: For program point L208-2(lines 208 213) no Hoare annotation was computed. [2022-04-27 22:19:32,665 INFO L895 garLoopResultBuilder]: At program point net_reopenENTRY(lines 216 231) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~batch_at~0)| ~batch_at~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2022-04-27 22:19:32,665 INFO L899 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2022-04-27 22:19:32,665 INFO L895 garLoopResultBuilder]: At program point L218(lines 218 228) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~batch_at~0)| ~batch_at~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2022-04-27 22:19:32,665 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-04-27 22:19:32,666 INFO L895 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~batch_at~0)| ~batch_at~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2022-04-27 22:19:32,666 INFO L899 garLoopResultBuilder]: For program point L226(line 226) no Hoare annotation was computed. [2022-04-27 22:19:32,666 INFO L895 garLoopResultBuilder]: At program point L229-1(line 229) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2022-04-27 22:19:32,666 INFO L899 garLoopResultBuilder]: For program point L230(line 230) no Hoare annotation was computed. [2022-04-27 22:19:32,666 INFO L899 garLoopResultBuilder]: For program point net_reopenFINAL(lines 216 231) no Hoare annotation was computed. [2022-04-27 22:19:32,666 INFO L899 garLoopResultBuilder]: For program point net_reopenEXIT(lines 216 231) no Hoare annotation was computed. [2022-04-27 22:19:32,666 INFO L895 garLoopResultBuilder]: At program point net_resetENTRY(lines 200 204) the Hoare annotation is: (or (= |old(~batch_at~0)| ~batch_at~0) (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0))) [2022-04-27 22:19:32,666 INFO L899 garLoopResultBuilder]: For program point net_resetFINAL(lines 200 204) no Hoare annotation was computed. [2022-04-27 22:19:32,666 INFO L899 garLoopResultBuilder]: For program point net_resetEXIT(lines 200 204) no Hoare annotation was computed. [2022-04-27 22:19:32,668 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-04-27 22:19:32,670 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-04-27 22:19:32,673 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-27 22:19:32,674 WARN L170 areAnnotationChecker]: L220 has no Hoare annotation [2022-04-27 22:19:32,674 WARN L170 areAnnotationChecker]: net_resetFINAL has no Hoare annotation [2022-04-27 22:19:32,675 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2022-04-27 22:19:32,675 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2022-04-27 22:19:32,676 WARN L170 areAnnotationChecker]: L220 has no Hoare annotation [2022-04-27 22:19:32,676 WARN L170 areAnnotationChecker]: L220 has no Hoare annotation [2022-04-27 22:19:32,676 WARN L170 areAnnotationChecker]: net_resetFINAL has no Hoare annotation [2022-04-27 22:19:32,676 WARN L170 areAnnotationChecker]: L208-4 has no Hoare annotation [2022-04-27 22:19:32,676 WARN L170 areAnnotationChecker]: L208-4 has no Hoare annotation [2022-04-27 22:19:32,677 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2022-04-27 22:19:32,677 WARN L170 areAnnotationChecker]: L194 has no Hoare annotation [2022-04-27 22:19:32,677 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2022-04-27 22:19:32,678 WARN L170 areAnnotationChecker]: L223 has no Hoare annotation [2022-04-27 22:19:32,678 WARN L170 areAnnotationChecker]: L223 has no Hoare annotation [2022-04-27 22:19:32,678 WARN L170 areAnnotationChecker]: net_resetEXIT has no Hoare annotation [2022-04-27 22:19:32,678 WARN L170 areAnnotationChecker]: L208-4 has no Hoare annotation [2022-04-27 22:19:32,678 WARN L170 areAnnotationChecker]: L195 has no Hoare annotation [2022-04-27 22:19:32,678 WARN L170 areAnnotationChecker]: L195 has no Hoare annotation [2022-04-27 22:19:32,678 WARN L170 areAnnotationChecker]: L194-2 has no Hoare annotation [2022-04-27 22:19:32,679 WARN L170 areAnnotationChecker]: L226 has no Hoare annotation [2022-04-27 22:19:32,679 WARN L170 areAnnotationChecker]: L226 has no Hoare annotation [2022-04-27 22:19:32,680 WARN L170 areAnnotationChecker]: net_send_batchFINAL has no Hoare annotation [2022-04-27 22:19:32,680 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2022-04-27 22:19:32,680 WARN L170 areAnnotationChecker]: net_send_batchEXIT has no Hoare annotation [2022-04-27 22:19:32,680 WARN L170 areAnnotationChecker]: L210-1 has no Hoare annotation [2022-04-27 22:19:32,680 WARN L170 areAnnotationChecker]: L230 has no Hoare annotation [2022-04-27 22:19:32,680 WARN L170 areAnnotationChecker]: L210-2 has no Hoare annotation [2022-04-27 22:19:32,680 WARN L170 areAnnotationChecker]: L210-2 has no Hoare annotation [2022-04-27 22:19:32,680 WARN L170 areAnnotationChecker]: net_reopenFINAL has no Hoare annotation [2022-04-27 22:19:32,680 WARN L170 areAnnotationChecker]: L208-2 has no Hoare annotation [2022-04-27 22:19:32,680 WARN L170 areAnnotationChecker]: net_reopenEXIT has no Hoare annotation [2022-04-27 22:19:32,680 WARN L170 areAnnotationChecker]: L235-1 has no Hoare annotation [2022-04-27 22:19:32,680 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2022-04-27 22:19:32,680 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2022-04-27 22:19:32,680 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-04-27 22:19:32,681 INFO L163 areAnnotationChecker]: CFG has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-04-27 22:19:32,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 10:19:32 BasicIcfg [2022-04-27 22:19:32,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-27 22:19:32,690 INFO L158 Benchmark]: Toolchain (without parser) took 2404.42ms. Allocated memory was 178.3MB in the beginning and 245.4MB in the end (delta: 67.1MB). Free memory was 127.0MB in the beginning and 91.9MB in the end (delta: 35.0MB). Peak memory consumption was 102.5MB. Max. memory is 8.0GB. [2022-04-27 22:19:32,690 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 178.3MB. Free memory was 143.7MB in the beginning and 143.6MB in the end (delta: 68.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 22:19:32,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 878.44ms. Allocated memory was 178.3MB in the beginning and 245.4MB in the end (delta: 67.1MB). Free memory was 126.8MB in the beginning and 130.7MB in the end (delta: -4.0MB). Peak memory consumption was 118.8MB. Max. memory is 8.0GB. [2022-04-27 22:19:32,691 INFO L158 Benchmark]: Boogie Preprocessor took 41.21ms. Allocated memory is still 245.4MB. Free memory was 130.7MB in the beginning and 129.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-27 22:19:32,691 INFO L158 Benchmark]: RCFGBuilder took 344.06ms. Allocated memory is still 245.4MB. Free memory was 128.6MB in the beginning and 114.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-04-27 22:19:32,691 INFO L158 Benchmark]: IcfgTransformer took 35.81ms. Allocated memory is still 245.4MB. Free memory was 114.4MB in the beginning and 112.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-04-27 22:19:32,691 INFO L158 Benchmark]: TraceAbstraction took 1100.18ms. Allocated memory is still 245.4MB. Free memory was 112.4MB in the beginning and 91.9MB in the end (delta: 20.5MB). Peak memory consumption was 20.4MB. Max. memory is 8.0GB. [2022-04-27 22:19:32,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 178.3MB. Free memory was 143.7MB in the beginning and 143.6MB in the end (delta: 68.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 878.44ms. Allocated memory was 178.3MB in the beginning and 245.4MB in the end (delta: 67.1MB). Free memory was 126.8MB in the beginning and 130.7MB in the end (delta: -4.0MB). Peak memory consumption was 118.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.21ms. Allocated memory is still 245.4MB. Free memory was 130.7MB in the beginning and 129.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 344.06ms. Allocated memory is still 245.4MB. Free memory was 128.6MB in the beginning and 114.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * IcfgTransformer took 35.81ms. Allocated memory is still 245.4MB. Free memory was 114.4MB in the beginning and 112.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * TraceAbstraction took 1100.18ms. Allocated memory is still 245.4MB. Free memory was 112.4MB in the beginning and 91.9MB in the end (delta: 20.5MB). Peak memory consumption was 20.4MB. 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: 195]: 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 7 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 24 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 14 LocationsWithAnnotation, 14 PreInvPairs, 15 NumberOfFragments, 160 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 42 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 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: 208]: Loop Invariant Derived loop invariant: (batch_at <= i && \old(__tmpTR__int_1) == __tmpTR__int_1) || !(batch_at + 1 <= fstTTL) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: !(\old(batch_at) + 1 <= fstTTL) || (\old(batch_at) == batch_at && \old(__tmpTR__int_1) == __tmpTR__int_1) RESULT: Ultimate proved your program to be correct! [2022-04-27 22:19:32,719 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...