./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 5b36d44f 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-5b36d44 [2021-11-07 11:20:05,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 11:20:05,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 11:20:05,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 11:20:05,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 11:20:05,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 11:20:05,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 11:20:05,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 11:20:05,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 11:20:05,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 11:20:05,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 11:20:05,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 11:20:05,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 11:20:05,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 11:20:05,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 11:20:05,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 11:20:05,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 11:20:05,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 11:20:05,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 11:20:05,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 11:20:05,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 11:20:05,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 11:20:05,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 11:20:05,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 11:20:05,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 11:20:05,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 11:20:05,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 11:20:05,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 11:20:05,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 11:20:05,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 11:20:05,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 11:20:05,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 11:20:05,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 11:20:05,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 11:20:05,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 11:20:05,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 11:20:05,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 11:20:05,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 11:20:05,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 11:20:05,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 11:20:05,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 11:20:05,999 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 11:20:06,024 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 11:20:06,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 11:20:06,025 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 11:20:06,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 11:20:06,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 11:20:06,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 11:20:06,026 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 11:20:06,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 11:20:06,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 11:20:06,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 11:20:06,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 11:20:06,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 11:20:06,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 11:20:06,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 11:20:06,028 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 11:20:06,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 11:20:06,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 11:20:06,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 11:20:06,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 11:20:06,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 11:20:06,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 11:20:06,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 11:20:06,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 11:20:06,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 11:20:06,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 11:20:06,030 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 11:20:06,030 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 11:20:06,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 11:20:06,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 11:20:06,030 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 [2021-11-07 11:20:06,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 11:20:06,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 11:20:06,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 11:20:06,225 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 11:20:06,226 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 11:20:06,227 INFO L432 ainManager$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 [2021-11-07 11:20:06,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ee250f7/a352897b56cf41d4be5b1d75709dc6ac/FLAG0cb2a4005 [2021-11-07 11:20:06,825 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 11:20:06,826 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 [2021-11-07 11:20:06,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ee250f7/a352897b56cf41d4be5b1d75709dc6ac/FLAG0cb2a4005 [2021-11-07 11:20:07,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ee250f7/a352897b56cf41d4be5b1d75709dc6ac [2021-11-07 11:20:07,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 11:20:07,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 11:20:07,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 11:20:07,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 11:20:07,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 11:20:07,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:20:07" (1/1) ... [2021-11-07 11:20:07,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44101b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:07, skipping insertion in model container [2021-11-07 11:20:07,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:20:07" (1/1) ... [2021-11-07 11:20:07,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 11:20:07,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 11:20:07,876 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] [2021-11-07 11:20:07,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 11:20:07,905 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 11:20:08,062 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] [2021-11-07 11:20:08,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 11:20:08,141 INFO L208 MainTranslator]: Completed translation [2021-11-07 11:20:08,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:08 WrapperNode [2021-11-07 11:20:08,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 11:20:08,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 11:20:08,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 11:20:08,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 11:20:08,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:08" (1/1) ... [2021-11-07 11:20:08,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:08" (1/1) ... [2021-11-07 11:20:08,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 11:20:08,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 11:20:08,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 11:20:08,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 11:20:08,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:08" (1/1) ... [2021-11-07 11:20:08,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:08" (1/1) ... [2021-11-07 11:20:09,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:08" (1/1) ... [2021-11-07 11:20:09,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:08" (1/1) ... [2021-11-07 11:20:09,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:08" (1/1) ... [2021-11-07 11:20:09,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:08" (1/1) ... [2021-11-07 11:20:09,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:08" (1/1) ... [2021-11-07 11:20:09,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 11:20:09,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 11:20:09,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 11:20:09,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 11:20:09,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:08" (1/1) ... [2021-11-07 11:20:09,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 11:20:09,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 11:20:09,600 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) [2021-11-07 11:20:09,614 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 [2021-11-07 11:20:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 11:20:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 11:20:09,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 11:20:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 11:20:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 11:20:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 11:20:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 11:20:09,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 11:20:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 11:20:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 11:20:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 11:20:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 11:20:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 11:20:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-07 11:20:09,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 11:20:09,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 11:20:25,635 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 11:20:25,636 INFO L299 CfgBuilder]: Removed 3175 assume(true) statements. [2021-11-07 11:20:25,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:20:25 BoogieIcfgContainer [2021-11-07 11:20:25,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 11:20:25,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 11:20:25,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 11:20:25,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 11:20:25,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:20:07" (1/3) ... [2021-11-07 11:20:25,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3a734e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:20:25, skipping insertion in model container [2021-11-07 11:20:25,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:20:08" (2/3) ... [2021-11-07 11:20:25,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3a734e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:20:25, skipping insertion in model container [2021-11-07 11:20:25,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:20:25" (3/3) ... [2021-11-07 11:20:25,647 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2021-11-07 11:20:25,653 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 11:20:25,654 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-07 11:20:25,707 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 11:20:25,713 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 [2021-11-07 11:20:25,713 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-07 11:20:25,766 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) [2021-11-07 11:20:25,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 11:20:25,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:20:25,778 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] [2021-11-07 11:20:25,778 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)] === [2021-11-07 11:20:25,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:20:25,782 INFO L85 PathProgramCache]: Analyzing trace with hash -191622153, now seen corresponding path program 1 times [2021-11-07 11:20:25,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:20:25,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530935619] [2021-11-07 11:20:25,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:20:25,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:20:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:20:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:20:26,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:20:26,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530935619] [2021-11-07 11:20:26,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530935619] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:20:26,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:20:26,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 11:20:26,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143450678] [2021-11-07 11:20:26,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:20:26,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 11:20:26,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:20:26,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 11:20:26,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 11:20:26,226 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) [2021-11-07 11:20:26,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:20:26,555 INFO L93 Difference]: Finished difference Result 13844 states and 20875 transitions. [2021-11-07 11:20:26,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 11:20:26,558 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 [2021-11-07 11:20:26,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:20:26,606 INFO L225 Difference]: With dead ends: 13844 [2021-11-07 11:20:26,606 INFO L226 Difference]: Without dead ends: 9176 [2021-11-07 11:20:26,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 40.03ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 11:20:26,628 INFO L933 BasicCegarLoop]: 6951 mSDtfsCounter, 6913 mSDsluCounter, 13876 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6913 SdHoareTripleChecker+Valid, 20827 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.75ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.92ms IncrementalHoareTripleChecker+Time [2021-11-07 11:20:26,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6913 Valid, 20827 Invalid, 55 Unknown, 0 Unchecked, 34.75ms Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 51.92ms Time] [2021-11-07 11:20:26,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9176 states. [2021-11-07 11:20:26,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9176 to 4608. [2021-11-07 11:20:26,808 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) [2021-11-07 11:20:26,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4608 states to 4608 states and 6922 transitions. [2021-11-07 11:20:26,817 INFO L78 Accepts]: Start accepts. Automaton has 4608 states and 6922 transitions. Word has length 44 [2021-11-07 11:20:26,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:20:26,818 INFO L470 AbstractCegarLoop]: Abstraction has 4608 states and 6922 transitions. [2021-11-07 11:20:26,818 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) [2021-11-07 11:20:26,818 INFO L276 IsEmpty]: Start isEmpty. Operand 4608 states and 6922 transitions. [2021-11-07 11:20:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 11:20:26,823 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:20:26,823 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] [2021-11-07 11:20:26,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 11:20:26,824 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)] === [2021-11-07 11:20:26,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:20:26,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1828591561, now seen corresponding path program 1 times [2021-11-07 11:20:26,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:20:26,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935235340] [2021-11-07 11:20:26,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:20:26,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:20:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:20:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:20:26,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:20:26,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935235340] [2021-11-07 11:20:26,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935235340] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:20:26,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:20:26,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 11:20:26,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170685011] [2021-11-07 11:20:26,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:20:26,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 11:20:26,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:20:26,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 11:20:26,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 11:20:26,972 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) [2021-11-07 11:20:27,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:20:27,188 INFO L93 Difference]: Finished difference Result 13765 states and 20697 transitions. [2021-11-07 11:20:27,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 11:20:27,188 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 [2021-11-07 11:20:27,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:20:27,214 INFO L225 Difference]: With dead ends: 13765 [2021-11-07 11:20:27,214 INFO L226 Difference]: Without dead ends: 9174 [2021-11-07 11:20:27,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.64ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 11:20:27,223 INFO L933 BasicCegarLoop]: 6914 mSDtfsCounter, 6867 mSDsluCounter, 13800 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6867 SdHoareTripleChecker+Valid, 20714 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.11ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.87ms IncrementalHoareTripleChecker+Time [2021-11-07 11:20:27,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6867 Valid, 20714 Invalid, 51 Unknown, 0 Unchecked, 24.11ms Time], IncrementalHoareTripleChecker [7 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 49.87ms Time] [2021-11-07 11:20:27,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9174 states. [2021-11-07 11:20:27,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9174 to 4608. [2021-11-07 11:20:27,494 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) [2021-11-07 11:20:27,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4608 states to 4608 states and 6921 transitions. [2021-11-07 11:20:27,502 INFO L78 Accepts]: Start accepts. Automaton has 4608 states and 6921 transitions. Word has length 47 [2021-11-07 11:20:27,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:20:27,503 INFO L470 AbstractCegarLoop]: Abstraction has 4608 states and 6921 transitions. [2021-11-07 11:20:27,503 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) [2021-11-07 11:20:27,503 INFO L276 IsEmpty]: Start isEmpty. Operand 4608 states and 6921 transitions. [2021-11-07 11:20:27,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-07 11:20:27,505 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:20:27,505 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] [2021-11-07 11:20:27,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 11:20:27,505 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)] === [2021-11-07 11:20:27,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:20:27,506 INFO L85 PathProgramCache]: Analyzing trace with hash -243861356, now seen corresponding path program 1 times [2021-11-07 11:20:27,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:20:27,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714872781] [2021-11-07 11:20:27,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:20:27,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:20:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:20:27,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:20:27,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:20:27,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714872781] [2021-11-07 11:20:27,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714872781] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:20:27,678 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:20:27,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 11:20:27,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486614627] [2021-11-07 11:20:27,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:20:27,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 11:20:27,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:20:27,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 11:20:27,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-07 11:20:27,680 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) [2021-11-07 11:20:29,702 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:20:34,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:20:43,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:20:43,680 INFO L93 Difference]: Finished difference Result 10040 states and 14998 transitions. [2021-11-07 11:20:43,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 11:20:43,680 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 [2021-11-07 11:20:43,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:20:43,697 INFO L225 Difference]: With dead ends: 10040 [2021-11-07 11:20:43,698 INFO L226 Difference]: Without dead ends: 5471 [2021-11-07 11:20:43,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 12.23ms TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-07 11:20:43,706 INFO L933 BasicCegarLoop]: 7703 mSDtfsCounter, 2170 mSDsluCounter, 12411 mSDsCounter, 0 mSdLazyCounter, 2736 mSolverCounterSat, 126 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14559.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2170 SdHoareTripleChecker+Valid, 20114 SdHoareTripleChecker+Invalid, 2864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.33ms SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 2736 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15759.74ms IncrementalHoareTripleChecker+Time [2021-11-07 11:20:43,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2170 Valid, 20114 Invalid, 2864 Unknown, 0 Unchecked, 30.33ms Time], IncrementalHoareTripleChecker [126 Valid, 2736 Invalid, 2 Unknown, 0 Unchecked, 15759.74ms Time] [2021-11-07 11:20:43,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5471 states. [2021-11-07 11:20:43,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5471 to 4612. [2021-11-07 11:20:43,790 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) [2021-11-07 11:20:43,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4612 states to 4612 states and 6926 transitions. [2021-11-07 11:20:43,800 INFO L78 Accepts]: Start accepts. Automaton has 4612 states and 6926 transitions. Word has length 50 [2021-11-07 11:20:43,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:20:43,800 INFO L470 AbstractCegarLoop]: Abstraction has 4612 states and 6926 transitions. [2021-11-07 11:20:43,801 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) [2021-11-07 11:20:43,801 INFO L276 IsEmpty]: Start isEmpty. Operand 4612 states and 6926 transitions. [2021-11-07 11:20:43,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 11:20:43,802 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:20:43,803 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] [2021-11-07 11:20:43,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 11:20:43,803 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)] === [2021-11-07 11:20:43,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:20:43,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1472015336, now seen corresponding path program 1 times [2021-11-07 11:20:43,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:20:43,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426594794] [2021-11-07 11:20:43,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:20:43,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:20:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:20:44,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:20:44,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:20:44,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426594794] [2021-11-07 11:20:44,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426594794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:20:44,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:20:44,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 11:20:44,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150540742] [2021-11-07 11:20:44,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:20:44,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 11:20:44,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:20:44,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 11:20:44,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 11:20:44,037 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) [2021-11-07 11:20:45,536 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:20:47,092 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:20:53,435 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:20:55,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:21:05,569 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:21:13,626 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:21:15,503 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:21:36,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:21:36,050 INFO L93 Difference]: Finished difference Result 15098 states and 22566 transitions. [2021-11-07 11:21:36,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 11:21:36,051 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 [2021-11-07 11:21:36,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:21:36,079 INFO L225 Difference]: With dead ends: 15098 [2021-11-07 11:21:36,079 INFO L226 Difference]: Without dead ends: 10525 [2021-11-07 11:21:36,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 31.05ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-07 11:21:36,089 INFO L933 BasicCegarLoop]: 14892 mSDtfsCounter, 7691 mSDsluCounter, 42407 mSDsCounter, 0 mSdLazyCounter, 8274 mSolverCounterSat, 101 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47430.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7691 SdHoareTripleChecker+Valid, 57299 SdHoareTripleChecker+Invalid, 8378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 59.49ms SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 8274 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51374.21ms IncrementalHoareTripleChecker+Time [2021-11-07 11:21:36,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7691 Valid, 57299 Invalid, 8378 Unknown, 0 Unchecked, 59.49ms Time], IncrementalHoareTripleChecker [101 Valid, 8274 Invalid, 3 Unknown, 0 Unchecked, 51374.21ms Time] [2021-11-07 11:21:36,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10525 states. [2021-11-07 11:21:36,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10525 to 4613. [2021-11-07 11:21:36,193 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) [2021-11-07 11:21:36,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4613 states to 4613 states and 6927 transitions. [2021-11-07 11:21:36,200 INFO L78 Accepts]: Start accepts. Automaton has 4613 states and 6927 transitions. Word has length 51 [2021-11-07 11:21:36,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:21:36,201 INFO L470 AbstractCegarLoop]: Abstraction has 4613 states and 6927 transitions. [2021-11-07 11:21:36,202 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) [2021-11-07 11:21:36,202 INFO L276 IsEmpty]: Start isEmpty. Operand 4613 states and 6927 transitions. [2021-11-07 11:21:36,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 11:21:36,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:21:36,203 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] [2021-11-07 11:21:36,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 11:21:36,204 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)] === [2021-11-07 11:21:36,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:21:36,204 INFO L85 PathProgramCache]: Analyzing trace with hash -371082973, now seen corresponding path program 1 times [2021-11-07 11:21:36,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:21:36,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970455161] [2021-11-07 11:21:36,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:21:36,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:21:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:21:36,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:21:36,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:21:36,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970455161] [2021-11-07 11:21:36,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970455161] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:21:36,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:21:36,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 11:21:36,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587132471] [2021-11-07 11:21:36,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:21:36,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 11:21:36,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:21:36,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 11:21:36,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-07 11:21:36,374 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) [2021-11-07 11:21:37,550 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 [] [2021-11-07 11:21:39,650 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:21:45,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:21:47,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:21:58,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:22:06,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:22:06,921 INFO L93 Difference]: Finished difference Result 10693 states and 15881 transitions. [2021-11-07 11:22:06,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 11:22:06,923 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 [2021-11-07 11:22:06,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:22:06,933 INFO L225 Difference]: With dead ends: 10693 [2021-11-07 11:22:06,933 INFO L226 Difference]: Without dead ends: 6119 [2021-11-07 11:22:06,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 44.32ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-07 11:22:06,944 INFO L933 BasicCegarLoop]: 7695 mSDtfsCounter, 3737 mSDsluCounter, 18637 mSDsCounter, 0 mSdLazyCounter, 4826 mSolverCounterSat, 222 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28027.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3737 SdHoareTripleChecker+Valid, 26332 SdHoareTripleChecker+Invalid, 5051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.43ms SdHoareTripleChecker+Time, 222 IncrementalHoareTripleChecker+Valid, 4826 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30291.13ms IncrementalHoareTripleChecker+Time [2021-11-07 11:22:06,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3737 Valid, 26332 Invalid, 5051 Unknown, 0 Unchecked, 27.43ms Time], IncrementalHoareTripleChecker [222 Valid, 4826 Invalid, 3 Unknown, 0 Unchecked, 30291.13ms Time] [2021-11-07 11:22:06,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6119 states. [2021-11-07 11:22:07,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6119 to 4617. [2021-11-07 11:22:07,011 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) [2021-11-07 11:22:07,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4617 states to 4617 states and 6932 transitions. [2021-11-07 11:22:07,017 INFO L78 Accepts]: Start accepts. Automaton has 4617 states and 6932 transitions. Word has length 51 [2021-11-07 11:22:07,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:22:07,018 INFO L470 AbstractCegarLoop]: Abstraction has 4617 states and 6932 transitions. [2021-11-07 11:22:07,018 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) [2021-11-07 11:22:07,018 INFO L276 IsEmpty]: Start isEmpty. Operand 4617 states and 6932 transitions. [2021-11-07 11:22:07,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-07 11:22:07,019 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:22:07,019 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] [2021-11-07 11:22:07,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 11:22:07,020 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)] === [2021-11-07 11:22:07,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:22:07,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1082488087, now seen corresponding path program 1 times [2021-11-07 11:22:07,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:22:07,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396105782] [2021-11-07 11:22:07,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:22:07,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:22:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:22:07,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:22:07,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:22:07,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396105782] [2021-11-07 11:22:07,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396105782] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:22:07,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:22:07,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 11:22:07,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132149895] [2021-11-07 11:22:07,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:22:07,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 11:22:07,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:22:07,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 11:22:07,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:22:07,144 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) [2021-11-07 11:22:07,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:22:07,251 INFO L93 Difference]: Finished difference Result 8941 states and 13475 transitions. [2021-11-07 11:22:07,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 11:22:07,252 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 [2021-11-07 11:22:07,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:22:07,267 INFO L225 Difference]: With dead ends: 8941 [2021-11-07 11:22:07,267 INFO L226 Difference]: Without dead ends: 8929 [2021-11-07 11:22:07,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.64ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 11:22:07,270 INFO L933 BasicCegarLoop]: 13435 mSDtfsCounter, 6852 mSDsluCounter, 6573 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6852 SdHoareTripleChecker+Valid, 20008 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.14ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.17ms IncrementalHoareTripleChecker+Time [2021-11-07 11:22:07,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6852 Valid, 20008 Invalid, 24 Unknown, 0 Unchecked, 9.14ms Time], IncrementalHoareTripleChecker [12 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 21.17ms Time] [2021-11-07 11:22:07,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8929 states. [2021-11-07 11:22:07,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8929 to 4605. [2021-11-07 11:22:07,347 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) [2021-11-07 11:22:07,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4605 states to 4605 states and 6920 transitions. [2021-11-07 11:22:07,351 INFO L78 Accepts]: Start accepts. Automaton has 4605 states and 6920 transitions. Word has length 51 [2021-11-07 11:22:07,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:22:07,352 INFO L470 AbstractCegarLoop]: Abstraction has 4605 states and 6920 transitions. [2021-11-07 11:22:07,352 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) [2021-11-07 11:22:07,352 INFO L276 IsEmpty]: Start isEmpty. Operand 4605 states and 6920 transitions. [2021-11-07 11:22:07,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-07 11:22:07,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:22:07,353 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] [2021-11-07 11:22:07,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 11:22:07,354 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)] === [2021-11-07 11:22:07,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:22:07,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1823112505, now seen corresponding path program 1 times [2021-11-07 11:22:07,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:22:07,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489612897] [2021-11-07 11:22:07,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:22:07,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:22:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 11:22:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 11:22:07,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 11:22:07,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489612897] [2021-11-07 11:22:07,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489612897] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 11:22:07,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 11:22:07,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 11:22:07,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801033622] [2021-11-07 11:22:07,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 11:22:07,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 11:22:07,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 11:22:07,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 11:22:07,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-07 11:22:07,530 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) [2021-11-07 11:22:09,362 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:22:10,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:22:17,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:22:39,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:22:41,834 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 11:23:03,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 11:23:03,903 INFO L93 Difference]: Finished difference Result 16158 states and 24028 transitions. [2021-11-07 11:23:03,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 11:23:03,903 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 [2021-11-07 11:23:03,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 11:23:03,920 INFO L225 Difference]: With dead ends: 16158 [2021-11-07 11:23:03,920 INFO L226 Difference]: Without dead ends: 11592 [2021-11-07 11:23:03,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 76.16ms TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-11-07 11:23:03,927 INFO L933 BasicCegarLoop]: 14881 mSDtfsCounter, 10652 mSDsluCounter, 43372 mSDsCounter, 0 mSdLazyCounter, 9637 mSolverCounterSat, 258 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51171.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10652 SdHoareTripleChecker+Valid, 58253 SdHoareTripleChecker+Invalid, 9897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 63.65ms SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 9637 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55820.83ms IncrementalHoareTripleChecker+Time [2021-11-07 11:23:03,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10652 Valid, 58253 Invalid, 9897 Unknown, 0 Unchecked, 63.65ms Time], IncrementalHoareTripleChecker [258 Valid, 9637 Invalid, 2 Unknown, 0 Unchecked, 55820.83ms Time] [2021-11-07 11:23:03,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11592 states. [2021-11-07 11:23:03,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11592 to 4609. [2021-11-07 11:23:03,999 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) [2021-11-07 11:23:04,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4609 states to 4609 states and 6926 transitions. [2021-11-07 11:23:04,004 INFO L78 Accepts]: Start accepts. Automaton has 4609 states and 6926 transitions. Word has length 52 [2021-11-07 11:23:04,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 11:23:04,005 INFO L470 AbstractCegarLoop]: Abstraction has 4609 states and 6926 transitions. [2021-11-07 11:23:04,005 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) [2021-11-07 11:23:04,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4609 states and 6926 transitions. [2021-11-07 11:23:04,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 11:23:04,006 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 11:23:04,006 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] [2021-11-07 11:23:04,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 11:23:04,007 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)] === [2021-11-07 11:23:04,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 11:23:04,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1705180294, now seen corresponding path program 1 times [2021-11-07 11:23:04,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 11:23:04,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341744176] [2021-11-07 11:23:04,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 11:23:04,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 11:23:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 11:23:04,434 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 11:23:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 11:23:04,949 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 11:23:04,950 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-07 11:23:04,950 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2021-11-07 11:23:04,953 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2021-11-07 11:23:04,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2021-11-07 11:23:04,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2021-11-07 11:23:04,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2021-11-07 11:23:04,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2021-11-07 11:23:04,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2021-11-07 11:23:04,954 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2021-11-07 11:23:04,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 11:23:04,957 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 11:23:04,959 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 11:23:05,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 11:23:05 BoogieIcfgContainer [2021-11-07 11:23:05,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 11:23:05,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 11:23:05,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 11:23:05,101 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 11:23:05,102 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:20:25" (3/4) ... [2021-11-07 11:23:05,103 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-07 11:23:05,188 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-07 11:23:05,188 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 11:23:05,189 INFO L158 Benchmark]: Toolchain (without parser) took 178139.40ms. Allocated memory was 88.1MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 49.9MB in the beginning and 922.9MB in the end (delta: -873.0MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2021-11-07 11:23:05,189 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 35.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-07 11:23:05,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1090.46ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.6MB in the beginning and 44.5MB in the end (delta: 5.2MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2021-11-07 11:23:05,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 779.12ms. Allocated memory was 107.0MB in the beginning and 318.8MB in the end (delta: 211.8MB). Free memory was 44.5MB in the beginning and 197.9MB in the end (delta: -153.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2021-11-07 11:23:05,190 INFO L158 Benchmark]: Boogie Preprocessor took 641.00ms. Allocated memory is still 318.8MB. Free memory was 197.9MB in the beginning and 155.5MB in the end (delta: 42.4MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. [2021-11-07 11:23:05,190 INFO L158 Benchmark]: RCFGBuilder took 16076.14ms. Allocated memory was 318.8MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 155.5MB in the beginning and 847.6MB in the end (delta: -692.0MB). Peak memory consumption was 848.3MB. Max. memory is 16.1GB. [2021-11-07 11:23:05,191 INFO L158 Benchmark]: TraceAbstraction took 159458.71ms. Allocated memory was 1.4GB in the beginning and 2.2GB in the end (delta: 790.6MB). Free memory was 846.5MB in the beginning and 972.2MB in the end (delta: -125.7MB). Peak memory consumption was 666.0MB. Max. memory is 16.1GB. [2021-11-07 11:23:05,191 INFO L158 Benchmark]: Witness Printer took 87.09ms. Allocated memory is still 2.2GB. Free memory was 972.2MB in the beginning and 922.9MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-11-07 11:23:05,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 35.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1090.46ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 49.6MB in the beginning and 44.5MB in the end (delta: 5.2MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 779.12ms. Allocated memory was 107.0MB in the beginning and 318.8MB in the end (delta: 211.8MB). Free memory was 44.5MB in the beginning and 197.9MB in the end (delta: -153.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 641.00ms. Allocated memory is still 318.8MB. Free memory was 197.9MB in the beginning and 155.5MB in the end (delta: 42.4MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. * RCFGBuilder took 16076.14ms. Allocated memory was 318.8MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 155.5MB in the beginning and 847.6MB in the end (delta: -692.0MB). Peak memory consumption was 848.3MB. Max. memory is 16.1GB. * TraceAbstraction took 159458.71ms. Allocated memory was 1.4GB in the beginning and 2.2GB in the end (delta: 790.6MB). Free memory was 846.5MB in the beginning and 972.2MB in the end (delta: -125.7MB). Peak memory consumption was 666.0MB. Max. memory is 16.1GB. * Witness Printer took 87.09ms. Allocated memory is still 2.2GB. Free memory was 972.2MB in the beginning and 922.9MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. 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: 159251.39ms, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 37.88ms, AutomataDifference: 155883.91ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 38.77ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 44882 SdHoareTripleChecker+Valid, 153368.87ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44882 mSDsluCounter, 223547 SdHoareTripleChecker+Invalid, 141287.27ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 151076 mSDsCounter, 735 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25575 IncrementalHoareTripleChecker+Invalid, 26320 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 735 mSolverCounterUnsat, 72471 mSDtfsCounter, 25575 mSolverCounterSat, 248.90ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 217.06ms 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: 884.03ms AutomataMinimizationTime, 7 MinimizatonAttempts, 28714 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 58.32ms SsaConstructionTime, 834.02ms SatisfiabilityAnalysisTime, 739.78ms 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! [2021-11-07 11:23:05,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- 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