./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.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 10fde7a37a019b1c929db0077997db096e3fd4889a12d96c2c2befe2c5cd6fdf --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 17:03:30,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 17:03:30,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 17:03:30,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 17:03:30,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 17:03:30,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 17:03:30,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 17:03:30,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 17:03:30,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 17:03:30,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 17:03:30,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 17:03:30,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 17:03:30,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 17:03:30,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 17:03:30,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 17:03:30,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 17:03:30,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 17:03:30,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 17:03:30,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 17:03:30,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 17:03:30,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 17:03:30,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 17:03:30,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 17:03:30,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 17:03:30,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 17:03:30,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 17:03:30,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 17:03:30,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 17:03:30,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 17:03:30,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 17:03:30,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 17:03:30,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 17:03:30,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 17:03:30,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 17:03:30,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 17:03:30,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 17:03:30,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 17:03:30,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 17:03:30,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 17:03:30,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 17:03:30,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 17:03:30,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 17:03:30,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 17:03:30,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 17:03:30,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 17:03:30,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 17:03:30,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 17:03:30,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 17:03:30,250 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 17:03:30,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 17:03:30,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 17:03:30,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 17:03:30,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 17:03:30,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 17:03:30,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 17:03:30,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 17:03:30,252 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 17:03:30,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 17:03:30,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 17:03:30,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 17:03:30,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 17:03:30,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 17:03:30,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 17:03:30,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 17:03:30,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 17:03:30,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 17:03:30,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 17:03:30,263 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 17:03:30,264 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 17:03:30,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 17:03:30,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 17:03:30,264 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10fde7a37a019b1c929db0077997db096e3fd4889a12d96c2c2befe2c5cd6fdf [2021-11-05 17:03:30,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 17:03:30,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 17:03:30,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 17:03:30,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 17:03:30,567 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 17:03:30,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2021-11-05 17:03:30,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4189d87d5/1794db3bf4e7436a996a5f2efc1e4c66/FLAGac98618ae [2021-11-05 17:03:31,252 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 17:03:31,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2021-11-05 17:03:31,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4189d87d5/1794db3bf4e7436a996a5f2efc1e4c66/FLAGac98618ae [2021-11-05 17:03:31,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4189d87d5/1794db3bf4e7436a996a5f2efc1e4c66 [2021-11-05 17:03:31,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 17:03:31,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 17:03:31,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 17:03:31,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 17:03:31,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 17:03:31,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:03:31" (1/1) ... [2021-11-05 17:03:31,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4a38b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:03:31, skipping insertion in model container [2021-11-05 17:03:31,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:03:31" (1/1) ... [2021-11-05 17:03:31,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 17:03:31,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 17:03:32,257 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5272] [2021-11-05 17:03:32,258 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5273-5274] [2021-11-05 17:03:32,634 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i[161168,161181] [2021-11-05 17:03:33,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 17:03:33,722 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 17:03:33,819 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5272] [2021-11-05 17:03:33,819 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5273-5274] [2021-11-05 17:03:33,832 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i[161168,161181] [2021-11-05 17:03:34,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 17:03:34,231 INFO L208 MainTranslator]: Completed translation [2021-11-05 17:03:34,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:03:34 WrapperNode [2021-11-05 17:03:34,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 17:03:34,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 17:03:34,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 17:03:34,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 17:03:34,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:03:34" (1/1) ... [2021-11-05 17:03:34,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:03:34" (1/1) ... [2021-11-05 17:03:35,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 17:03:35,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 17:03:35,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 17:03:35,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 17:03:35,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:03:34" (1/1) ... [2021-11-05 17:03:35,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:03:34" (1/1) ... [2021-11-05 17:03:35,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:03:34" (1/1) ... [2021-11-05 17:03:35,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:03:34" (1/1) ... [2021-11-05 17:03:35,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:03:34" (1/1) ... [2021-11-05 17:03:35,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:03:34" (1/1) ... [2021-11-05 17:03:35,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:03:34" (1/1) ... [2021-11-05 17:03:36,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 17:03:36,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 17:03:36,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 17:03:36,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 17:03:36,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:03:34" (1/1) ... [2021-11-05 17:03:36,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 17:03:36,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 17:03:36,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-05 17:03:36,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-05 17:03:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 17:03:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 17:03:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-05 17:03:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 17:03:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 17:03:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 17:03:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 17:03:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 17:03:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 17:03:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 17:03:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 17:03:36,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 17:03:46,560 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 17:03:46,561 INFO L299 CfgBuilder]: Removed 7639 assume(true) statements. [2021-11-05 17:03:46,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:03:46 BoogieIcfgContainer [2021-11-05 17:03:46,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 17:03:46,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 17:03:46,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 17:03:46,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 17:03:46,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 05:03:31" (1/3) ... [2021-11-05 17:03:46,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48203eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:03:46, skipping insertion in model container [2021-11-05 17:03:46,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:03:34" (2/3) ... [2021-11-05 17:03:46,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48203eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:03:46, skipping insertion in model container [2021-11-05 17:03:46,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:03:46" (3/3) ... [2021-11-05 17:03:46,572 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--sis--sis900.ko-entry_point.cil.out.i [2021-11-05 17:03:46,575 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 17:03:46,575 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2021-11-05 17:03:46,621 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 17:03:46,627 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-05 17:03:46,627 INFO L340 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2021-11-05 17:03:46,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 5954 states, 5936 states have (on average 1.2784703504043127) internal successors, (7589), 5953 states have internal predecessors, (7589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:03:46,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-05 17:03:46,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:03:46,722 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] [2021-11-05 17:03:46,723 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-05 17:03:46,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:03:46,728 INFO L85 PathProgramCache]: Analyzing trace with hash 108145079, now seen corresponding path program 1 times [2021-11-05 17:03:46,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:03:46,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063889894] [2021-11-05 17:03:46,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:03:46,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:03:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:03:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:03:47,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:03:47,178 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063889894] [2021-11-05 17:03:47,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063889894] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:03:47,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:03:47,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:03:47,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365998247] [2021-11-05 17:03:47,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:03:47,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 17:03:47,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:03:47,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 17:03:47,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 17:03:47,219 INFO L87 Difference]: Start difference. First operand has 5954 states, 5936 states have (on average 1.2784703504043127) internal successors, (7589), 5953 states have internal predecessors, (7589), 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 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:03:48,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:03:48,165 INFO L93 Difference]: Finished difference Result 27781 states and 35199 transitions. [2021-11-05 17:03:48,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 17:03:48,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2021-11-05 17:03:48,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:03:48,259 INFO L225 Difference]: With dead ends: 27781 [2021-11-05 17:03:48,259 INFO L226 Difference]: Without dead ends: 21649 [2021-11-05 17:03:48,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.08ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 17:03:48,285 INFO L933 BasicCegarLoop]: 20108 mSDtfsCounter, 13610 mSDsluCounter, 15321 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13610 SdHoareTripleChecker+Valid, 35429 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 61.98ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 120.26ms IncrementalHoareTripleChecker+Time [2021-11-05 17:03:48,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13610 Valid, 35429 Invalid, 68 Unknown, 0 Unchecked, 61.98ms Time], IncrementalHoareTripleChecker [11 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 120.26ms Time] [2021-11-05 17:03:48,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21649 states. [2021-11-05 17:03:48,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21649 to 10919. [2021-11-05 17:03:48,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10919 states, 10902 states have (on average 1.2526141992294992) internal successors, (13656), 10918 states have internal predecessors, (13656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:03:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10919 states to 10919 states and 13656 transitions. [2021-11-05 17:03:48,698 INFO L78 Accepts]: Start accepts. Automaton has 10919 states and 13656 transitions. Word has length 41 [2021-11-05 17:03:48,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:03:48,699 INFO L470 AbstractCegarLoop]: Abstraction has 10919 states and 13656 transitions. [2021-11-05 17:03:48,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:03:48,700 INFO L276 IsEmpty]: Start isEmpty. Operand 10919 states and 13656 transitions. [2021-11-05 17:03:48,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-05 17:03:48,703 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:03:48,703 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] [2021-11-05 17:03:48,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 17:03:48,704 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-05 17:03:48,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:03:48,705 INFO L85 PathProgramCache]: Analyzing trace with hash -2140998400, now seen corresponding path program 1 times [2021-11-05 17:03:48,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:03:48,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091333140] [2021-11-05 17:03:48,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:03:48,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:03:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:03:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:03:48,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:03:48,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091333140] [2021-11-05 17:03:48,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091333140] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:03:48,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:03:48,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:03:48,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148145226] [2021-11-05 17:03:48,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:03:48,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 17:03:48,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:03:48,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 17:03:48,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 17:03:48,826 INFO L87 Difference]: Start difference. First operand 10919 states and 13656 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:03:49,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:03:49,931 INFO L93 Difference]: Finished difference Result 52621 states and 65663 transitions. [2021-11-05 17:03:49,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 17:03:49,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 42 [2021-11-05 17:03:49,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:03:50,049 INFO L225 Difference]: With dead ends: 52621 [2021-11-05 17:03:50,049 INFO L226 Difference]: Without dead ends: 41737 [2021-11-05 17:03:50,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.03ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 17:03:50,086 INFO L933 BasicCegarLoop]: 13653 mSDtfsCounter, 19652 mSDsluCounter, 14725 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19652 SdHoareTripleChecker+Valid, 28378 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 49.41ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.89ms IncrementalHoareTripleChecker+Time [2021-11-05 17:03:50,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19652 Valid, 28378 Invalid, 60 Unknown, 0 Unchecked, 49.41ms Time], IncrementalHoareTripleChecker [13 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 54.89ms Time] [2021-11-05 17:03:50,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41737 states. [2021-11-05 17:03:50,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41737 to 21569. [2021-11-05 17:03:50,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21569 states, 21552 states have (on average 1.251763177431329) internal successors, (26978), 21568 states have internal predecessors, (26978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:03:50,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21569 states to 21569 states and 26978 transitions. [2021-11-05 17:03:50,906 INFO L78 Accepts]: Start accepts. Automaton has 21569 states and 26978 transitions. Word has length 42 [2021-11-05 17:03:50,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:03:50,907 INFO L470 AbstractCegarLoop]: Abstraction has 21569 states and 26978 transitions. [2021-11-05 17:03:50,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:03:50,909 INFO L276 IsEmpty]: Start isEmpty. Operand 21569 states and 26978 transitions. [2021-11-05 17:03:50,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-05 17:03:50,915 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:03:50,915 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] [2021-11-05 17:03:50,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 17:03:50,916 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-05 17:03:50,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:03:50,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1149998481, now seen corresponding path program 1 times [2021-11-05 17:03:50,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:03:50,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324947519] [2021-11-05 17:03:50,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:03:50,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:03:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:03:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:03:51,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:03:51,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324947519] [2021-11-05 17:03:51,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324947519] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:03:51,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:03:51,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:03:51,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101664157] [2021-11-05 17:03:51,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:03:51,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 17:03:51,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:03:51,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 17:03:51,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 17:03:51,066 INFO L87 Difference]: Start difference. First operand 21569 states and 26978 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:03:53,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:03:53,055 INFO L93 Difference]: Finished difference Result 104471 states and 130386 transitions. [2021-11-05 17:03:53,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 17:03:53,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 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 43 [2021-11-05 17:03:53,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:03:53,280 INFO L225 Difference]: With dead ends: 104471 [2021-11-05 17:03:53,280 INFO L226 Difference]: Without dead ends: 82937 [2021-11-05 17:03:53,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.88ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 17:03:53,351 INFO L933 BasicCegarLoop]: 13652 mSDtfsCounter, 19658 mSDsluCounter, 14725 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19658 SdHoareTripleChecker+Valid, 28377 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 50.00ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.01ms IncrementalHoareTripleChecker+Time [2021-11-05 17:03:53,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19658 Valid, 28377 Invalid, 60 Unknown, 0 Unchecked, 50.00ms Time], IncrementalHoareTripleChecker [13 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 56.01ms Time] [2021-11-05 17:03:53,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82937 states. [2021-11-05 17:03:54,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82937 to 42672. [2021-11-05 17:03:54,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42672 states, 42655 states have (on average 1.2508263978431602) internal successors, (53354), 42671 states have internal predecessors, (53354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:03:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42672 states to 42672 states and 53354 transitions. [2021-11-05 17:03:55,080 INFO L78 Accepts]: Start accepts. Automaton has 42672 states and 53354 transitions. Word has length 43 [2021-11-05 17:03:55,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:03:55,080 INFO L470 AbstractCegarLoop]: Abstraction has 42672 states and 53354 transitions. [2021-11-05 17:03:55,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:03:55,080 INFO L276 IsEmpty]: Start isEmpty. Operand 42672 states and 53354 transitions. [2021-11-05 17:03:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-05 17:03:55,083 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:03:55,083 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:03:55,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 17:03:55,084 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-05 17:03:55,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:03:55,085 INFO L85 PathProgramCache]: Analyzing trace with hash 91687386, now seen corresponding path program 1 times [2021-11-05 17:03:55,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:03:55,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453227461] [2021-11-05 17:03:55,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:03:55,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:03:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:03:55,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:03:55,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:03:55,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453227461] [2021-11-05 17:03:55,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453227461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:03:55,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:03:55,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:03:55,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116910548] [2021-11-05 17:03:55,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:03:55,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 17:03:55,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:03:55,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 17:03:55,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 17:03:55,231 INFO L87 Difference]: Start difference. First operand 42672 states and 53354 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:03:59,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:03:59,360 INFO L93 Difference]: Finished difference Result 207576 states and 259020 transitions. [2021-11-05 17:03:59,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 17:03:59,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-05 17:03:59,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:03:59,930 INFO L225 Difference]: With dead ends: 207576 [2021-11-05 17:03:59,930 INFO L226 Difference]: Without dead ends: 164939 [2021-11-05 17:04:00,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.97ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 17:04:00,061 INFO L933 BasicCegarLoop]: 13651 mSDtfsCounter, 19664 mSDsluCounter, 14725 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19664 SdHoareTripleChecker+Valid, 28376 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 32.19ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.66ms IncrementalHoareTripleChecker+Time [2021-11-05 17:04:00,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19664 Valid, 28376 Invalid, 60 Unknown, 0 Unchecked, 32.19ms Time], IncrementalHoareTripleChecker [13 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 70.66ms Time] [2021-11-05 17:04:00,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164939 states. [2021-11-05 17:04:03,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164939 to 84483. [2021-11-05 17:04:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84483 states, 84466 states have (on average 1.2498283332938698) internal successors, (105568), 84482 states have internal predecessors, (105568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:04:03,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84483 states to 84483 states and 105568 transitions. [2021-11-05 17:04:03,658 INFO L78 Accepts]: Start accepts. Automaton has 84483 states and 105568 transitions. Word has length 44 [2021-11-05 17:04:03,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:04:03,659 INFO L470 AbstractCegarLoop]: Abstraction has 84483 states and 105568 transitions. [2021-11-05 17:04:03,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:04:03,659 INFO L276 IsEmpty]: Start isEmpty. Operand 84483 states and 105568 transitions. [2021-11-05 17:04:03,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-05 17:04:03,664 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:04:03,665 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:04:03,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 17:04:03,665 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-05 17:04:03,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:04:03,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1883650530, now seen corresponding path program 1 times [2021-11-05 17:04:03,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:04:03,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447771175] [2021-11-05 17:04:03,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:04:03,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:04:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:04:03,776 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 17:04:03,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:04:03,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447771175] [2021-11-05 17:04:03,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447771175] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:04:03,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:04:03,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 17:04:03,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784756001] [2021-11-05 17:04:03,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:04:03,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 17:04:03,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:04:03,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 17:04:03,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 17:04:03,779 INFO L87 Difference]: Start difference. First operand 84483 states and 105568 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:04:09,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:04:09,990 INFO L93 Difference]: Finished difference Result 292051 states and 364576 transitions. [2021-11-05 17:04:09,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 17:04:09,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) 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 49 [2021-11-05 17:04:09,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:04:10,554 INFO L225 Difference]: With dead ends: 292051 [2021-11-05 17:04:10,554 INFO L226 Difference]: Without dead ends: 207603 [2021-11-05 17:04:10,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.47ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-05 17:04:10,728 INFO L933 BasicCegarLoop]: 14467 mSDtfsCounter, 32163 mSDsluCounter, 29983 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32163 SdHoareTripleChecker+Valid, 44450 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 47.91ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 123.43ms IncrementalHoareTripleChecker+Time [2021-11-05 17:04:10,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32163 Valid, 44450 Invalid, 143 Unknown, 0 Unchecked, 47.91ms Time], IncrementalHoareTripleChecker [32 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 123.43ms Time] [2021-11-05 17:04:10,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207603 states.