./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 14:48:10,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 14:48:10,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 14:48:10,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 14:48:10,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 14:48:10,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 14:48:10,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 14:48:10,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 14:48:10,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 14:48:10,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 14:48:10,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 14:48:10,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 14:48:10,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 14:48:10,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 14:48:10,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 14:48:10,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 14:48:10,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 14:48:10,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 14:48:10,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 14:48:10,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 14:48:10,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 14:48:10,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 14:48:10,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 14:48:10,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 14:48:10,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 14:48:10,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 14:48:10,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 14:48:10,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 14:48:10,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 14:48:10,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 14:48:10,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 14:48:10,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 14:48:10,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 14:48:10,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 14:48:10,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 14:48:10,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 14:48:10,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 14:48:10,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 14:48:10,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 14:48:10,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 14:48:10,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 14:48:10,247 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 14:48:10,279 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 14:48:10,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 14:48:10,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 14:48:10,285 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 14:48:10,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 14:48:10,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 14:48:10,287 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 14:48:10,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 14:48:10,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 14:48:10,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 14:48:10,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 14:48:10,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 14:48:10,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 14:48:10,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 14:48:10,288 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 14:48:10,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 14:48:10,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 14:48:10,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 14:48:10,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 14:48:10,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 14:48:10,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 14:48:10,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 14:48:10,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 14:48:10,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 14:48:10,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 14:48:10,290 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 14:48:10,290 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 14:48:10,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 14:48:10,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 14:48:10,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 [2021-11-05 14:48:10,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 14:48:10,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 14:48:10,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 14:48:10,530 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 14:48:10,531 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 14:48:10,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2021-11-05 14:48:10,574 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f110ea2cb/476b0370c0f34a44a58340f6bf07b6e5/FLAG179117df3 [2021-11-05 14:48:11,136 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 14:48:11,136 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2021-11-05 14:48:11,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f110ea2cb/476b0370c0f34a44a58340f6bf07b6e5/FLAG179117df3 [2021-11-05 14:48:11,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f110ea2cb/476b0370c0f34a44a58340f6bf07b6e5 [2021-11-05 14:48:11,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 14:48:11,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 14:48:11,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 14:48:11,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 14:48:11,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 14:48:11,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:48:11" (1/1) ... [2021-11-05 14:48:11,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ec3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:48:11, skipping insertion in model container [2021-11-05 14:48:11,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:48:11" (1/1) ... [2021-11-05 14:48:11,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 14:48:11,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 14:48:12,288 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2021-11-05 14:48:12,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 14:48:12,324 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 14:48:12,504 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2021-11-05 14:48:12,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 14:48:12,589 INFO L208 MainTranslator]: Completed translation [2021-11-05 14:48:12,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:48:12 WrapperNode [2021-11-05 14:48:12,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 14:48:12,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 14:48:12,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 14:48:12,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 14:48:12,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:48:12" (1/1) ... [2021-11-05 14:48:12,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:48:12" (1/1) ... [2021-11-05 14:48:13,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 14:48:13,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 14:48:13,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 14:48:13,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 14:48:13,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:48:12" (1/1) ... [2021-11-05 14:48:13,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:48:12" (1/1) ... [2021-11-05 14:48:13,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:48:12" (1/1) ... [2021-11-05 14:48:13,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:48:12" (1/1) ... [2021-11-05 14:48:13,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:48:12" (1/1) ... [2021-11-05 14:48:13,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:48:12" (1/1) ... [2021-11-05 14:48:13,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:48:12" (1/1) ... [2021-11-05 14:48:13,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 14:48:13,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 14:48:13,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 14:48:13,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 14:48:13,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:48:12" (1/1) ... [2021-11-05 14:48:13,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 14:48:13,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 14:48:14,004 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) [2021-11-05 14:48:14,022 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 [2021-11-05 14:48:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 14:48:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 14:48:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 14:48:14,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 14:48:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 14:48:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 14:48:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 14:48:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 14:48:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 14:48:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 14:48:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 14:48:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 14:48:14,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 14:48:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-05 14:48:14,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 14:48:14,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 14:48:30,088 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 14:48:30,089 INFO L299 CfgBuilder]: Removed 3175 assume(true) statements. [2021-11-05 14:48:30,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:48:30 BoogieIcfgContainer [2021-11-05 14:48:30,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 14:48:30,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 14:48:30,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 14:48:30,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 14:48:30,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 02:48:11" (1/3) ... [2021-11-05 14:48:30,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ace1546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:48:30, skipping insertion in model container [2021-11-05 14:48:30,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:48:12" (2/3) ... [2021-11-05 14:48:30,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ace1546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:48:30, skipping insertion in model container [2021-11-05 14:48:30,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:48:30" (3/3) ... [2021-11-05 14:48:30,102 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2021-11-05 14:48:30,105 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 14:48:30,106 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-05 14:48:30,162 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 14:48:30,170 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-05 14:48:30,170 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-05 14:48:30,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 4627 states, 4618 states have (on average 1.5110437418796017) internal successors, (6978), 4626 states have internal predecessors, (6978), 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) [2021-11-05 14:48:30,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-05 14:48:30,251 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 14:48:30,252 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 14:48:30,252 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-05 14:48:30,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 14:48:30,255 INFO L85 PathProgramCache]: Analyzing trace with hash -191622153, now seen corresponding path program 1 times [2021-11-05 14:48:30,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 14:48:30,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741282663] [2021-11-05 14:48:30,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 14:48:30,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 14:48:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 14:48:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 14:48:30,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 14:48:30,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741282663] [2021-11-05 14:48:30,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741282663] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 14:48:30,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 14:48:30,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 14:48:30,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133282141] [2021-11-05 14:48:30,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 14:48:30,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 14:48:30,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 14:48:30,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 14:48:30,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 14:48:30,781 INFO L87 Difference]: Start difference. First operand has 4627 states, 4618 states have (on average 1.5110437418796017) internal successors, (6978), 4626 states have internal predecessors, (6978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-11-05 14:48:31,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 14:48:31,140 INFO L93 Difference]: Finished difference Result 13844 states and 20875 transitions. [2021-11-05 14:48:31,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 14:48:31,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-05 14:48:31,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 14:48:31,191 INFO L225 Difference]: With dead ends: 13844 [2021-11-05 14:48:31,191 INFO L226 Difference]: Without dead ends: 9176 [2021-11-05 14:48:31,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.76ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 14:48:31,211 INFO L933 BasicCegarLoop]: 6951 mSDtfsCounter, 6913 mSDsluCounter, 13876 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6913 SdHoareTripleChecker+Valid, 20827 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 39.30ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.15ms IncrementalHoareTripleChecker+Time [2021-11-05 14:48:31,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6913 Valid, 20827 Invalid, 55 Unknown, 0 Unchecked, 39.30ms Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 53.15ms Time] [2021-11-05 14:48:31,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9176 states. [2021-11-05 14:48:31,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9176 to 4608. [2021-11-05 14:48:31,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4608 states, 4600 states have (on average 1.5047826086956522) internal successors, (6922), 4607 states have internal predecessors, (6922), 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) [2021-11-05 14:48:31,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4608 states to 4608 states and 6922 transitions. [2021-11-05 14:48:31,370 INFO L78 Accepts]: Start accepts. Automaton has 4608 states and 6922 transitions. Word has length 44 [2021-11-05 14:48:31,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 14:48:31,370 INFO L470 AbstractCegarLoop]: Abstraction has 4608 states and 6922 transitions. [2021-11-05 14:48:31,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2021-11-05 14:48:31,371 INFO L276 IsEmpty]: Start isEmpty. Operand 4608 states and 6922 transitions. [2021-11-05 14:48:31,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-05 14:48:31,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 14:48:31,374 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 14:48:31,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 14:48:31,374 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-05 14:48:31,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 14:48:31,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1828591561, now seen corresponding path program 1 times [2021-11-05 14:48:31,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 14:48:31,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506011196] [2021-11-05 14:48:31,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 14:48:31,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 14:48:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 14:48:31,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 14:48:31,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 14:48:31,482 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506011196] [2021-11-05 14:48:31,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506011196] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 14:48:31,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 14:48:31,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 14:48:31,483 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509892732] [2021-11-05 14:48:31,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 14:48:31,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 14:48:31,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 14:48:31,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 14:48:31,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 14:48:31,484 INFO L87 Difference]: Start difference. First operand 4608 states and 6922 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2021-11-05 14:48:31,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 14:48:31,705 INFO L93 Difference]: Finished difference Result 13765 states and 20697 transitions. [2021-11-05 14:48:31,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 14:48:31,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-05 14:48:31,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 14:48:31,734 INFO L225 Difference]: With dead ends: 13765 [2021-11-05 14:48:31,734 INFO L226 Difference]: Without dead ends: 9174 [2021-11-05 14:48:31,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.93ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 14:48:31,745 INFO L933 BasicCegarLoop]: 6914 mSDtfsCounter, 6867 mSDsluCounter, 13800 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6867 SdHoareTripleChecker+Valid, 20714 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.18ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.13ms IncrementalHoareTripleChecker+Time [2021-11-05 14:48:31,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6867 Valid, 20714 Invalid, 51 Unknown, 0 Unchecked, 21.18ms Time], IncrementalHoareTripleChecker [7 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 47.13ms Time] [2021-11-05 14:48:31,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9174 states. [2021-11-05 14:48:31,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9174 to 4608. [2021-11-05 14:48:31,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4608 states, 4600 states have (on average 1.5045652173913044) internal successors, (6921), 4607 states have internal predecessors, (6921), 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) [2021-11-05 14:48:31,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4608 states to 4608 states and 6921 transitions. [2021-11-05 14:48:31,854 INFO L78 Accepts]: Start accepts. Automaton has 4608 states and 6921 transitions. Word has length 47 [2021-11-05 14:48:31,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 14:48:31,854 INFO L470 AbstractCegarLoop]: Abstraction has 4608 states and 6921 transitions. [2021-11-05 14:48:31,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2021-11-05 14:48:31,855 INFO L276 IsEmpty]: Start isEmpty. Operand 4608 states and 6921 transitions. [2021-11-05 14:48:31,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-05 14:48:31,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 14:48:31,856 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 14:48:31,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 14:48:31,857 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-05 14:48:31,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 14:48:31,857 INFO L85 PathProgramCache]: Analyzing trace with hash -243861356, now seen corresponding path program 1 times [2021-11-05 14:48:31,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 14:48:31,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246461127] [2021-11-05 14:48:31,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 14:48:31,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 14:48:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 14:48:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 14:48:32,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 14:48:32,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246461127] [2021-11-05 14:48:32,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246461127] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 14:48:32,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 14:48:32,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 14:48:32,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914316376] [2021-11-05 14:48:32,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 14:48:32,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 14:48:32,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 14:48:32,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 14:48:32,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-05 14:48:32,025 INFO L87 Difference]: Start difference. First operand 4608 states and 6921 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2021-11-05 14:48:34,046 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:48:38,508 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:48:42,486 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:48:50,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 14:48:50,245 INFO L93 Difference]: Finished difference Result 10040 states and 14998 transitions. [2021-11-05 14:48:50,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-05 14:48:50,245 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-11-05 14:48:50,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 14:48:50,262 INFO L225 Difference]: With dead ends: 10040 [2021-11-05 14:48:50,263 INFO L226 Difference]: Without dead ends: 5471 [2021-11-05 14:48:50,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 13.87ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-05 14:48:50,271 INFO L933 BasicCegarLoop]: 7703 mSDtfsCounter, 2170 mSDsluCounter, 12411 mSDsCounter, 0 mSdLazyCounter, 2736 mSolverCounterSat, 126 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16555.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2170 SdHoareTripleChecker+Valid, 20114 SdHoareTripleChecker+Invalid, 2864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.94ms SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 2736 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17863.15ms IncrementalHoareTripleChecker+Time [2021-11-05 14:48:50,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2170 Valid, 20114 Invalid, 2864 Unknown, 0 Unchecked, 31.94ms Time], IncrementalHoareTripleChecker [126 Valid, 2736 Invalid, 2 Unknown, 0 Unchecked, 17863.15ms Time] [2021-11-05 14:48:50,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5471 states. [2021-11-05 14:48:50,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5471 to 4612. [2021-11-05 14:48:50,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4612 states, 4604 states have (on average 1.5043440486533448) internal successors, (6926), 4611 states have internal predecessors, (6926), 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) [2021-11-05 14:48:50,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4612 states to 4612 states and 6926 transitions. [2021-11-05 14:48:50,367 INFO L78 Accepts]: Start accepts. Automaton has 4612 states and 6926 transitions. Word has length 50 [2021-11-05 14:48:50,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 14:48:50,367 INFO L470 AbstractCegarLoop]: Abstraction has 4612 states and 6926 transitions. [2021-11-05 14:48:50,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2021-11-05 14:48:50,368 INFO L276 IsEmpty]: Start isEmpty. Operand 4612 states and 6926 transitions. [2021-11-05 14:48:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-05 14:48:50,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 14:48:50,369 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 14:48:50,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 14:48:50,370 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-05 14:48:50,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 14:48:50,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1472015336, now seen corresponding path program 1 times [2021-11-05 14:48:50,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 14:48:50,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180891430] [2021-11-05 14:48:50,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 14:48:50,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 14:48:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 14:48:50,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 14:48:50,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 14:48:50,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180891430] [2021-11-05 14:48:50,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180891430] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 14:48:50,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 14:48:50,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-05 14:48:50,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502163414] [2021-11-05 14:48:50,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 14:48:50,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 14:48:50,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 14:48:50,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 14:48:50,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-05 14:48:50,585 INFO L87 Difference]: Start difference. First operand 4612 states and 6926 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2021-11-05 14:48:51,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:48:53,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:49:00,392 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:49:02,477 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:49:22,941 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:49:39,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 14:49:39,636 INFO L93 Difference]: Finished difference Result 15098 states and 22566 transitions. [2021-11-05 14:49:39,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-05 14:49:39,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-05 14:49:39,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 14:49:39,663 INFO L225 Difference]: With dead ends: 15098 [2021-11-05 14:49:39,663 INFO L226 Difference]: Without dead ends: 10525 [2021-11-05 14:49:39,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 29.70ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-05 14:49:39,671 INFO L933 BasicCegarLoop]: 14892 mSDtfsCounter, 7691 mSDsluCounter, 42407 mSDsCounter, 0 mSdLazyCounter, 8275 mSolverCounterSat, 101 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44741.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7691 SdHoareTripleChecker+Valid, 57299 SdHoareTripleChecker+Invalid, 8378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 72.23ms SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 8275 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48518.47ms IncrementalHoareTripleChecker+Time [2021-11-05 14:49:39,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7691 Valid, 57299 Invalid, 8378 Unknown, 0 Unchecked, 72.23ms Time], IncrementalHoareTripleChecker [101 Valid, 8275 Invalid, 2 Unknown, 0 Unchecked, 48518.47ms Time] [2021-11-05 14:49:39,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10525 states. [2021-11-05 14:49:39,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10525 to 4613. [2021-11-05 14:49:39,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4613 states, 4605 states have (on average 1.5042345276872964) internal successors, (6927), 4612 states have internal predecessors, (6927), 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) [2021-11-05 14:49:39,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4613 states to 4613 states and 6927 transitions. [2021-11-05 14:49:39,775 INFO L78 Accepts]: Start accepts. Automaton has 4613 states and 6927 transitions. Word has length 51 [2021-11-05 14:49:39,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 14:49:39,776 INFO L470 AbstractCegarLoop]: Abstraction has 4613 states and 6927 transitions. [2021-11-05 14:49:39,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2021-11-05 14:49:39,776 INFO L276 IsEmpty]: Start isEmpty. Operand 4613 states and 6927 transitions. [2021-11-05 14:49:39,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-05 14:49:39,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 14:49:39,778 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 14:49:39,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 14:49:39,778 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-05 14:49:39,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 14:49:39,778 INFO L85 PathProgramCache]: Analyzing trace with hash -371082973, now seen corresponding path program 1 times [2021-11-05 14:49:39,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 14:49:39,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272975162] [2021-11-05 14:49:39,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 14:49:39,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 14:49:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 14:49:39,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 14:49:39,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 14:49:39,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272975162] [2021-11-05 14:49:39,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272975162] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 14:49:39,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 14:49:39,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-05 14:49:39,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769129645] [2021-11-05 14:49:39,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 14:49:39,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 14:49:39,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 14:49:39,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 14:49:39,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-05 14:49:39,991 INFO L87 Difference]: Start difference. First operand 4613 states and 6927 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2021-11-05 14:49:41,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:49:44,078 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:49:50,165 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:49:52,240 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:49:59,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:50:04,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:50:11,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 14:50:11,933 INFO L93 Difference]: Finished difference Result 10693 states and 15881 transitions. [2021-11-05 14:50:11,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-05 14:50:11,935 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-05 14:50:11,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 14:50:11,951 INFO L225 Difference]: With dead ends: 10693 [2021-11-05 14:50:11,951 INFO L226 Difference]: Without dead ends: 6119 [2021-11-05 14:50:11,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 42.62ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-05 14:50:11,960 INFO L933 BasicCegarLoop]: 7695 mSDtfsCounter, 3737 mSDsluCounter, 18637 mSDsCounter, 0 mSdLazyCounter, 4826 mSolverCounterSat, 222 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29456.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3737 SdHoareTripleChecker+Valid, 26332 SdHoareTripleChecker+Invalid, 5051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.43ms SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 4826 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31691.63ms IncrementalHoareTripleChecker+Time [2021-11-05 14:50:11,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3737 Valid, 26332 Invalid, 5051 Unknown, 0 Unchecked, 28.43ms Time], IncrementalHoareTripleChecker [222 Valid, 4826 Invalid, 3 Unknown, 0 Unchecked, 31691.63ms Time] [2021-11-05 14:50:11,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6119 states. [2021-11-05 14:50:12,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6119 to 4617. [2021-11-05 14:50:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4617 states, 4609 states have (on average 1.504013885875461) internal successors, (6932), 4616 states have internal predecessors, (6932), 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) [2021-11-05 14:50:12,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4617 states to 4617 states and 6932 transitions. [2021-11-05 14:50:12,046 INFO L78 Accepts]: Start accepts. Automaton has 4617 states and 6932 transitions. Word has length 51 [2021-11-05 14:50:12,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 14:50:12,048 INFO L470 AbstractCegarLoop]: Abstraction has 4617 states and 6932 transitions. [2021-11-05 14:50:12,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2021-11-05 14:50:12,048 INFO L276 IsEmpty]: Start isEmpty. Operand 4617 states and 6932 transitions. [2021-11-05 14:50:12,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-05 14:50:12,050 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 14:50:12,050 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 14:50:12,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 14:50:12,051 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-05 14:50:12,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 14:50:12,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1082488087, now seen corresponding path program 1 times [2021-11-05 14:50:12,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 14:50:12,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679212091] [2021-11-05 14:50:12,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 14:50:12,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 14:50:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 14:50:12,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 14:50:12,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 14:50:12,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679212091] [2021-11-05 14:50:12,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679212091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 14:50:12,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 14:50:12,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 14:50:12,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884482774] [2021-11-05 14:50:12,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 14:50:12,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 14:50:12,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 14:50:12,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 14:50:12,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 14:50:12,164 INFO L87 Difference]: Start difference. First operand 4617 states and 6932 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-05 14:50:12,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 14:50:12,267 INFO L93 Difference]: Finished difference Result 8941 states and 13475 transitions. [2021-11-05 14:50:12,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 14:50:12,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-05 14:50:12,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 14:50:12,284 INFO L225 Difference]: With dead ends: 8941 [2021-11-05 14:50:12,285 INFO L226 Difference]: Without dead ends: 8929 [2021-11-05 14:50:12,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.48ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 14:50:12,289 INFO L933 BasicCegarLoop]: 13435 mSDtfsCounter, 6852 mSDsluCounter, 6573 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6852 SdHoareTripleChecker+Valid, 20008 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.58ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.84ms IncrementalHoareTripleChecker+Time [2021-11-05 14:50:12,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6852 Valid, 20008 Invalid, 24 Unknown, 0 Unchecked, 9.58ms Time], IncrementalHoareTripleChecker [12 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 19.84ms Time] [2021-11-05 14:50:12,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8929 states. [2021-11-05 14:50:12,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8929 to 4605. [2021-11-05 14:50:12,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4605 states, 4603 states have (on average 1.5033673691071041) internal successors, (6920), 4604 states have internal predecessors, (6920), 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) [2021-11-05 14:50:12,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4605 states to 4605 states and 6920 transitions. [2021-11-05 14:50:12,371 INFO L78 Accepts]: Start accepts. Automaton has 4605 states and 6920 transitions. Word has length 51 [2021-11-05 14:50:12,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 14:50:12,371 INFO L470 AbstractCegarLoop]: Abstraction has 4605 states and 6920 transitions. [2021-11-05 14:50:12,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2021-11-05 14:50:12,372 INFO L276 IsEmpty]: Start isEmpty. Operand 4605 states and 6920 transitions. [2021-11-05 14:50:12,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-05 14:50:12,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 14:50:12,373 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 14:50:12,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 14:50:12,373 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-05 14:50:12,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 14:50:12,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1823112505, now seen corresponding path program 1 times [2021-11-05 14:50:12,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 14:50:12,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264019510] [2021-11-05 14:50:12,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 14:50:12,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 14:50:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 14:50:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 14:50:12,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 14:50:12,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264019510] [2021-11-05 14:50:12,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264019510] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 14:50:12,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 14:50:12,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-05 14:50:12,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10029738] [2021-11-05 14:50:12,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 14:50:12,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-05 14:50:12,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 14:50:12,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-05 14:50:12,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-05 14:50:12,542 INFO L87 Difference]: Start difference. First operand 4605 states and 6920 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2021-11-05 14:50:13,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:50:14,963 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:50:21,610 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:50:40,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:50:41,788 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:50:43,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:50:46,562 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:50:48,033 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 14:51:05,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 14:51:05,621 INFO L93 Difference]: Finished difference Result 16158 states and 24028 transitions. [2021-11-05 14:51:05,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-05 14:51:05,622 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-05 14:51:05,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 14:51:05,639 INFO L225 Difference]: With dead ends: 16158 [2021-11-05 14:51:05,639 INFO L226 Difference]: Without dead ends: 11592 [2021-11-05 14:51:05,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 75.49ms TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-11-05 14:51:05,648 INFO L933 BasicCegarLoop]: 14881 mSDtfsCounter, 10652 mSDsluCounter, 43372 mSDsCounter, 0 mSdLazyCounter, 9637 mSolverCounterSat, 258 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48428.88ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10652 SdHoareTripleChecker+Valid, 58253 SdHoareTripleChecker+Invalid, 9897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 64.74ms SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 9637 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52564.78ms IncrementalHoareTripleChecker+Time [2021-11-05 14:51:05,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10652 Valid, 58253 Invalid, 9897 Unknown, 0 Unchecked, 64.74ms Time], IncrementalHoareTripleChecker [258 Valid, 9637 Invalid, 2 Unknown, 0 Unchecked, 52564.78ms Time] [2021-11-05 14:51:05,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11592 states. [2021-11-05 14:51:05,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11592 to 4609. [2021-11-05 14:51:05,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4609 states, 4607 states have (on average 1.50336444540916) internal successors, (6926), 4608 states have internal predecessors, (6926), 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) [2021-11-05 14:51:05,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4609 states to 4609 states and 6926 transitions. [2021-11-05 14:51:05,733 INFO L78 Accepts]: Start accepts. Automaton has 4609 states and 6926 transitions. Word has length 52 [2021-11-05 14:51:05,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 14:51:05,734 INFO L470 AbstractCegarLoop]: Abstraction has 4609 states and 6926 transitions. [2021-11-05 14:51:05,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2021-11-05 14:51:05,734 INFO L276 IsEmpty]: Start isEmpty. Operand 4609 states and 6926 transitions. [2021-11-05 14:51:05,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-05 14:51:05,735 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 14:51:05,736 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 14:51:05,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 14:51:05,736 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-05 14:51:05,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 14:51:05,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1705180294, now seen corresponding path program 1 times [2021-11-05 14:51:05,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 14:51:05,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607823203] [2021-11-05 14:51:05,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 14:51:05,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 14:51:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-05 14:51:06,260 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-05 14:51:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-05 14:51:06,763 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-05 14:51:06,763 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-05 14:51:06,765 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2021-11-05 14:51:06,766 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2021-11-05 14:51:06,766 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2021-11-05 14:51:06,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2021-11-05 14:51:06,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2021-11-05 14:51:06,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2021-11-05 14:51:06,767 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2021-11-05 14:51:06,768 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2021-11-05 14:51:06,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-05 14:51:06,771 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 14:51:06,773 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-05 14:51:06,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.11 02:51:06 BoogieIcfgContainer [2021-11-05 14:51:06,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-05 14:51:06,921 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-05 14:51:06,922 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-05 14:51:06,922 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-05 14:51:06,922 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:48:30" (3/4) ... [2021-11-05 14:51:06,923 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-05 14:51:07,020 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-05 14:51:07,021 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-05 14:51:07,021 INFO L158 Benchmark]: Toolchain (without parser) took 175414.72ms. Allocated memory was 71.3MB in the beginning and 2.6GB in the end (delta: 2.6GB). Free memory was 44.5MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 798.0MB. Max. memory is 16.1GB. [2021-11-05 14:51:07,021 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-05 14:51:07,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 983.94ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 44.3MB in the beginning and 45.5MB in the end (delta: -1.2MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2021-11-05 14:51:07,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 613.16ms. Allocated memory was 102.8MB in the beginning and 161.5MB in the end (delta: 58.7MB). Free memory was 45.5MB in the beginning and 50.2MB in the end (delta: -4.7MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. [2021-11-05 14:51:07,022 INFO L158 Benchmark]: Boogie Preprocessor took 764.90ms. Allocated memory was 161.5MB in the beginning and 310.4MB in the end (delta: 148.9MB). Free memory was 50.2MB in the beginning and 144.2MB in the end (delta: -94.0MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. [2021-11-05 14:51:07,023 INFO L158 Benchmark]: RCFGBuilder took 16124.04ms. Allocated memory was 310.4MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 144.2MB in the beginning and 1.0GB in the end (delta: -904.7MB). Peak memory consumption was 963.6MB. Max. memory is 16.1GB. [2021-11-05 14:51:07,023 INFO L158 Benchmark]: TraceAbstraction took 156824.16ms. Allocated memory was 1.5GB in the beginning and 2.6GB in the end (delta: 1.1GB). Free memory was 1.0GB in the beginning and 1.9GB in the end (delta: -808.0MB). Peak memory consumption was 313.9MB. Max. memory is 16.1GB. [2021-11-05 14:51:07,023 INFO L158 Benchmark]: Witness Printer took 99.47ms. Allocated memory is still 2.6GB. Free memory was 1.9GB in the beginning and 1.8GB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-11-05 14:51:07,026 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 983.94ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 44.3MB in the beginning and 45.5MB in the end (delta: -1.2MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 613.16ms. Allocated memory was 102.8MB in the beginning and 161.5MB in the end (delta: 58.7MB). Free memory was 45.5MB in the beginning and 50.2MB in the end (delta: -4.7MB). Peak memory consumption was 82.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 764.90ms. Allocated memory was 161.5MB in the beginning and 310.4MB in the end (delta: 148.9MB). Free memory was 50.2MB in the beginning and 144.2MB in the end (delta: -94.0MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. * RCFGBuilder took 16124.04ms. Allocated memory was 310.4MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 144.2MB in the beginning and 1.0GB in the end (delta: -904.7MB). Peak memory consumption was 963.6MB. Max. memory is 16.1GB. * TraceAbstraction took 156824.16ms. Allocated memory was 1.5GB in the beginning and 2.6GB in the end (delta: 1.1GB). Free memory was 1.0GB in the beginning and 1.9GB in the end (delta: -808.0MB). Peak memory consumption was 313.9MB. Max. memory is 16.1GB. * Witness Printer took 99.47ms. Allocated memory is still 2.6GB. Free memory was 1.9GB in the beginning and 1.8GB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 6190]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L4032] static int debug ; [L4033] static char const *si4713_supply_names[2U] = { "vio", "vdd"}; [L4034-L4044] static long limiter_times[40U] = { 2000L, 250L, 1000L, 500L, 510L, 1000L, 255L, 2000L, 170L, 3000L, 127L, 4020L, 102L, 5010L, 85L, 6020L, 73L, 7010L, 64L, 7990L, 57L, 8970L, 51L, 10030L, 25L, 20470L, 17L, 30110L, 13L, 39380L, 10L, 51190L, 8L, 63690L, 7L, 73140L, 6L, 85330L, 5L, 102390L}; [L4045-L4048] static unsigned long acomp_rtimes[10U] = { 0UL, 100000UL, 1UL, 200000UL, 2UL, 350000UL, 3UL, 525000UL, 4UL, 1000000UL}; [L4049-L4050] static unsigned long preemphasis_values[6U] = { 2UL, 0UL, 1UL, 1UL, 0UL, 2UL}; [L5667-L5669] static struct v4l2_subdev_core_ops const si4713_subdev_core_ops = {0, 0, 0, 0, 0, 0, 0, & si4713_queryctrl, & si4713_g_ctrl, & si4713_s_ctrl, & si4713_g_ext_ctrls, & si4713_s_ext_ctrls, 0, 0, 0, & si4713_ioctl, 0, 0, 0, 0, 0, 0}; [L5837-L5839] static struct v4l2_subdev_tuner_ops const si4713_subdev_tuner_ops = {0, 0, & si4713_s_frequency, & si4713_g_frequency, 0, 0, & si4713_g_modulator, & si4713_s_modulator, 0, 0}; [L5840-L5841] static struct v4l2_subdev_ops const si4713_subdev_ops = {& si4713_subdev_core_ops, & si4713_subdev_tuner_ops, 0, 0, 0, 0, 0, 0}; [L5971] static struct i2c_device_id const si4713_id[2U] = { {{'s', 'i', '4', '7', '1', '3', '\000'}, 0UL}}; [L5972] struct i2c_device_id const __mod_i2c_device_table ; [L5973-L5977] static struct i2c_driver si4713_i2c_driver = {0U, 0, 0, & si4713_probe, & si4713_remove, 0, 0, 0, 0, 0, {"si4713", 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct i2c_device_id const *)(& si4713_id), 0, 0, {0, 0}}; [L5999] int LDV_IN_INTERRUPT ; VAL [__mod_i2c_device_table=0, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L6002] struct v4l2_subdev *var_group1 ; [L6003] struct v4l2_queryctrl *var_group2 ; [L6004] struct v4l2_ext_controls *var_group3 ; [L6005] struct v4l2_control *var_group4 ; [L6006] unsigned int var_si4713_ioctl_33_p1 ; [L6007] void *var_si4713_ioctl_33_p2 ; [L6008] struct v4l2_frequency *var_group5 ; [L6009] struct v4l2_modulator *var_group6 ; [L6010] struct i2c_client *var_group7 ; [L6011] struct i2c_device_id const *var_si4713_probe_38_p1 ; [L6012] int res_si4713_probe_38 ; [L6013] int res_si4713_remove_39 ; [L6014] int var_si4713_handler_0_p0 ; [L6015] void *var_si4713_handler_0_p1 ; [L6016] int ldv_s_si4713_i2c_driver_i2c_driver ; [L6017] int tmp ; [L6018] int tmp___0 ; [L6019] int tmp___1 ; [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [__mod_i2c_device_table=0, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L6021] var_group1 = ldv_malloc(sizeof(struct si4713_device)) [L3972] COND TRUE __VERIFIER_nondet_int() [L3973] void *res = malloc(size); [L3968] return ((unsigned long)ptr > ((unsigned long)-4095)); VAL [__mod_i2c_device_table=0, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L3963] COND FALSE !(!cond) VAL [__mod_i2c_device_table=0, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L3975] return res; VAL [__mod_i2c_device_table=0, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L6022] var_group2 = ldv_malloc(sizeof(struct v4l2_queryctrl)) [L6023] COND FALSE !(!var_group2) [L6025] var_group2->id = __VERIFIER_nondet_int() [L3972] COND TRUE __VERIFIER_nondet_int() [L3973] void *res = malloc(size); [L3968] return ((unsigned long)ptr > ((unsigned long)-4095)); VAL [__mod_i2c_device_table=0, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L3963] COND FALSE !(!cond) VAL [__mod_i2c_device_table=0, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L3975] return res; VAL [__mod_i2c_device_table=0, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L6026] var_group3 = ldv_malloc(sizeof(struct v4l2_ext_controls)) [L6027] COND FALSE !(!var_group3) [L6029] var_group3->ctrl_class = __VERIFIER_nondet_int() [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [__mod_i2c_device_table=0, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L6030] var_group3->controls = ldv_malloc(sizeof(struct v4l2_ext_control)) [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [__mod_i2c_device_table=0, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L6031] var_group6 = ldv_malloc(sizeof(struct v4l2_modulator)) [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [__mod_i2c_device_table=0, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L6032] var_group7 = ldv_malloc(sizeof(struct i2c_client)) [L6033] ldv_s_si4713_i2c_driver_i2c_driver = 0 [L6034] LDV_IN_INTERRUPT = 1 VAL [__mod_i2c_device_table=0, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L5980] int tmp ; [L3953] int tmp ; [L6311] return __VERIFIER_nondet_int(); [L3955] tmp = i2c_register_driver(& __this_module, driver) [L3956] return (tmp); VAL [__mod_i2c_device_table=0, __this_module={18446744073709547669:18446744073709547670}, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L5982] tmp = i2c_add_driver(& si4713_i2c_driver) [L5983] return (tmp); VAL [__mod_i2c_device_table=0, __this_module={18446744073709547669:18446744073709547670}, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L6037] tmp = si4713_module_init() [L6038] COND FALSE !(tmp != 0) VAL [__mod_i2c_device_table=0, __this_module={18446744073709547669:18446744073709547670}, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L6123] tmp___1 = __VERIFIER_nondet_int() [L6124] COND TRUE tmp___1 != 0 || ldv_s_si4713_i2c_driver_i2c_driver != 0 VAL [__mod_i2c_device_table=0, __this_module={18446744073709547669:18446744073709547670}, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L6044] tmp___0 = __VERIFIER_nondet_int() [L6046] case 0: [L6050] case 1: [L6054] case 2: VAL [__mod_i2c_device_table=0, __this_module={18446744073709547669:18446744073709547670}, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L5390] struct si4713_device *sdev ; [L5391] struct v4l2_subdev const *__mptr ; [L5392] int i ; [L5393] int err ; [L5395] __mptr = (struct v4l2_subdev const *)sd [L5396] sdev = (struct si4713_device *)__mptr [L5397] EXPR ctrls->ctrl_class VAL [__mod_i2c_device_table=0, __this_module={18446744073709547669:18446744073709547670}, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L5397] COND FALSE !(ctrls->ctrl_class != 10158080U) [L5401] i = 0 VAL [__mod_i2c_device_table=0, __this_module={18446744073709547669:18446744073709547670}, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L5424] EXPR ctrls->count VAL [__mod_i2c_device_table=0, __this_module={18446744073709547669:18446744073709547670}, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L5424] COND TRUE (__u32 )i < ctrls->count [L5404] EXPR ctrls->controls [L5404] (ctrls->controls + (unsigned long )i)->id [L5405] case 10160389U: VAL [__mod_i2c_device_table=0, __this_module={18446744073709547669:18446744073709547670}, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L5406] case 10160390U: [L5407] ctrls->controls [L4812] struct v4l2_queryctrl vqc ; [L4813] int len ; [L4814] s32 rval ; [L4815] char ps_name[97U] ; [L4816] unsigned long tmp ; [L4817] size_t tmp___0 ; [L4818] char radio_text[385U] ; [L4819] unsigned long tmp___1 ; [L4820] size_t tmp___2 ; [L4822] rval = 0 [L4823] EXPR control->id [L4823] vqc.id = control->id [L5476] int rval ; [L5478] rval = 0 [L5479] qc->id [L5480] case 9963785U: [L5483] case 10160386U: [L5486] case 10160387U: [L5489] case 10160385U: [L5492] case 10160389U: [L6373] return __VERIFIER_nondet_int(); [L5493] rval = v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) [L5545] return (rval); VAL [__mod_i2c_device_table=0, __this_module={18446744073709547669:18446744073709547670}, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L4824] rval = si4713_queryctrl(& sdev->sd, & vqc) [L4825] COND FALSE !(rval < 0) [L4829] control->id [L4830] case 10160389U: [L4831] EXPR control->size [L4831] len = (int )(control->size - 1U) [L4832] COND FALSE !(len > 96) [L4837] control->ldv_23581.string [L6179] unsigned long tmp ; [L6233] COND FALSE !(n >= 0L) VAL [__mod_i2c_device_table=0, __this_module={18446744073709547669:18446744073709547670}, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] [L6190] reach_error() VAL [__mod_i2c_device_table=0, __this_module={18446744073709547669:18446744073709547670}, acomp_rtimes={18446744073709547603:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={18446744073709547644:0}, preemphasis_values={18446744073709547656:0}, si4713_i2c_driver={18446744073709547630:0}, si4713_id={18446744073709547643:0}, si4713_subdev_core_ops={18446744073709547570:0}, si4713_subdev_ops={18446744073709547587:0}, si4713_subdev_tuner_ops={18446744073709547586:0}, si4713_supply_names={18446744073709547646:0}] - UnprovableResult [Line: 6190]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6190]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6190]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6190]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6190]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6190]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6190]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4627 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 156611.34ms, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 44.85ms, AutomataDifference: 153276.04ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 46.93ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 44882 SdHoareTripleChecker+Valid, 150758.15ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44882 mSDsluCounter, 223547 SdHoareTripleChecker+Invalid, 139282.92ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 151076 mSDsCounter, 735 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25576 IncrementalHoareTripleChecker+Invalid, 26320 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 735 mSolverCounterUnsat, 72471 mSDtfsCounter, 25576 mSolverCounterSat, 267.40ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 213.84ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=4627occurred in iteration=0, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 700.59ms AutomataMinimizationTime, 7 MinimizatonAttempts, 28714 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 66.59ms SsaConstructionTime, 1005.20ms SatisfiabilityAnalysisTime, 722.49ms InterpolantComputationTime, 400 NumberOfCodeBlocks, 400 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 547 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 RESULT: Ultimate proved your program to be incorrect! [2021-11-05 14:51:07,265 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-05 14:51:07,276 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE