./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 c36dfa3b 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-c36dfa3 [2021-11-04 04:54:14,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 04:54:14,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 04:54:14,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 04:54:14,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 04:54:14,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 04:54:14,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 04:54:14,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 04:54:14,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 04:54:14,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 04:54:14,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 04:54:14,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 04:54:14,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 04:54:14,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 04:54:14,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 04:54:14,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 04:54:14,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 04:54:14,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 04:54:14,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 04:54:14,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 04:54:14,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 04:54:14,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 04:54:14,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 04:54:14,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 04:54:14,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 04:54:14,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 04:54:14,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 04:54:14,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 04:54:14,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 04:54:14,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 04:54:14,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 04:54:14,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 04:54:14,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 04:54:14,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 04:54:14,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 04:54:14,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 04:54:14,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 04:54:14,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 04:54:14,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 04:54:14,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 04:54:14,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 04:54:14,532 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 04:54:14,553 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 04:54:14,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 04:54:14,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 04:54:14,560 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 04:54:14,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 04:54:14,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 04:54:14,561 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 04:54:14,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 04:54:14,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 04:54:14,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 04:54:14,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 04:54:14,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 04:54:14,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 04:54:14,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 04:54:14,563 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 04:54:14,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 04:54:14,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 04:54:14,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 04:54:14,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 04:54:14,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 04:54:14,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 04:54:14,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 04:54:14,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 04:54:14,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 04:54:14,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 04:54:14,565 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 04:54:14,565 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 04:54:14,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 04:54:14,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 04:54:14,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10fde7a37a019b1c929db0077997db096e3fd4889a12d96c2c2befe2c5cd6fdf [2021-11-04 04:54:14,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 04:54:14,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 04:54:14,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 04:54:14,768 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 04:54:14,777 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 04:54:14,779 INFO L432 ainManager$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 [2021-11-04 04:54:14,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e2169bf5/2b164af859c043c1a624f87f91f92730/FLAG387a90f43 [2021-11-04 04:54:15,462 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 04:54:15,463 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 [2021-11-04 04:54:15,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e2169bf5/2b164af859c043c1a624f87f91f92730/FLAG387a90f43 [2021-11-04 04:54:15,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e2169bf5/2b164af859c043c1a624f87f91f92730 [2021-11-04 04:54:15,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 04:54:15,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 04:54:15,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 04:54:15,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 04:54:15,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 04:54:15,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 04:54:15" (1/1) ... [2021-11-04 04:54:15,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55954f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:54:15, skipping insertion in model container [2021-11-04 04:54:15,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 04:54:15" (1/1) ... [2021-11-04 04:54:15,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 04:54:15,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 04:54:16,088 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5272] [2021-11-04 04:54:16,100 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] [2021-11-04 04:54:16,250 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] [2021-11-04 04:54:16,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 04:54:16,898 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 04:54:16,969 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5272] [2021-11-04 04:54:16,970 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] [2021-11-04 04:54:16,983 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] [2021-11-04 04:54:17,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 04:54:17,264 INFO L208 MainTranslator]: Completed translation [2021-11-04 04:54:17,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:54:17 WrapperNode [2021-11-04 04:54:17,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 04:54:17,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 04:54:17,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 04:54:17,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 04:54:17,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:54:17" (1/1) ... [2021-11-04 04:54:17,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:54:17" (1/1) ... [2021-11-04 04:54:17,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 04:54:17,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 04:54:17,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 04:54:17,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 04:54:18,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:54:17" (1/1) ... [2021-11-04 04:54:18,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:54:17" (1/1) ... [2021-11-04 04:54:18,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:54:17" (1/1) ... [2021-11-04 04:54:18,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:54:17" (1/1) ... [2021-11-04 04:54:18,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:54:17" (1/1) ... [2021-11-04 04:54:18,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:54:17" (1/1) ... [2021-11-04 04:54:18,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:54:17" (1/1) ... [2021-11-04 04:54:19,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 04:54:19,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 04:54:19,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 04:54:19,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 04:54:19,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:54:17" (1/1) ... [2021-11-04 04:54:19,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 04:54:19,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 04:54:19,078 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) [2021-11-04 04:54:19,122 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 [2021-11-04 04:54:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 04:54:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 04:54:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-04 04:54:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 04:54:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 04:54:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 04:54:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 04:54:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 04:54:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 04:54:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 04:54:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 04:54:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 04:54:22,534 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 04:54:22,535 INFO L299 CfgBuilder]: Removed 7639 assume(true) statements. [2021-11-04 04:54:22,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 04:54:22 BoogieIcfgContainer [2021-11-04 04:54:22,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 04:54:22,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 04:54:22,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 04:54:22,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 04:54:22,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 04:54:15" (1/3) ... [2021-11-04 04:54:22,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f08ba2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 04:54:22, skipping insertion in model container [2021-11-04 04:54:22,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:54:17" (2/3) ... [2021-11-04 04:54:22,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f08ba2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 04:54:22, skipping insertion in model container [2021-11-04 04:54:22,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 04:54:22" (3/3) ... [2021-11-04 04:54:22,548 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 [2021-11-04 04:54:22,551 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 04:54:22,552 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2021-11-04 04:54:22,600 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 04:54:22,605 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 [2021-11-04 04:54:22,606 INFO L340 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2021-11-04 04:54:22,672 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) [2021-11-04 04:54:22,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-04 04:54:22,690 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:54:22,691 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] [2021-11-04 04:54:22,692 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)] === [2021-11-04 04:54:22,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:54:22,695 INFO L85 PathProgramCache]: Analyzing trace with hash 108145079, now seen corresponding path program 1 times [2021-11-04 04:54:22,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:54:22,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752432211] [2021-11-04 04:54:22,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:54:22,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:54:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:54:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 04:54:23,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:54:23,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752432211] [2021-11-04 04:54:23,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752432211] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:54:23,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:54:23,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 04:54:23,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359343667] [2021-11-04 04:54:23,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:54:23,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 04:54:23,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:54:23,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 04:54:23,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:54:23,153 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 3 states, 3 states have (on average 13.666666666666666) 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) [2021-11-04 04:54:32,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:54:32,398 INFO L93 Difference]: Finished difference Result 11904 states and 15173 transitions. [2021-11-04 04:54:32,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 04:54:32,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) 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 [2021-11-04 04:54:32,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:54:32,429 INFO L225 Difference]: With dead ends: 11904 [2021-11-04 04:54:32,429 INFO L226 Difference]: Without dead ends: 5898 [2021-11-04 04:54:32,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.92ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:54:32,444 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 7510 mSDsCounter, 0 mSdLazyCounter, 14921 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7224.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 14921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 32.42ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8852.07ms IncrementalHoareTripleChecker+Time [2021-11-04 04:54:32,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 14921 Unknown, 0 Unchecked, 32.42ms Time], IncrementalHoareTripleChecker [0 Valid, 14921 Invalid, 0 Unknown, 0 Unchecked, 8852.07ms Time] [2021-11-04 04:54:32,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5898 states. [2021-11-04 04:54:32,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5898 to 5898. [2021-11-04 04:54:32,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5898 states, 5881 states have (on average 1.25896956299949) internal successors, (7404), 5897 states have internal predecessors, (7404), 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) [2021-11-04 04:54:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5898 states to 5898 states and 7404 transitions. [2021-11-04 04:54:32,636 INFO L78 Accepts]: Start accepts. Automaton has 5898 states and 7404 transitions. Word has length 41 [2021-11-04 04:54:32,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:54:32,636 INFO L470 AbstractCegarLoop]: Abstraction has 5898 states and 7404 transitions. [2021-11-04 04:54:32,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) 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) [2021-11-04 04:54:32,638 INFO L276 IsEmpty]: Start isEmpty. Operand 5898 states and 7404 transitions. [2021-11-04 04:54:32,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-04 04:54:32,641 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:54:32,641 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] [2021-11-04 04:54:32,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 04:54:32,642 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-04 04:54:32,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:54:32,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1763457511, now seen corresponding path program 1 times [2021-11-04 04:54:32,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:54:32,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174154280] [2021-11-04 04:54:32,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:54:32,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:54:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:54:32,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 04:54:32,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:54:32,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174154280] [2021-11-04 04:54:32,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174154280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:54:32,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:54:32,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 04:54:32,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032284039] [2021-11-04 04:54:32,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:54:32,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 04:54:32,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:54:32,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 04:54:32,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 04:54:32,910 INFO L87 Difference]: Start difference. First operand 5898 states and 7404 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) [2021-11-04 04:54:53,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:54:53,735 INFO L93 Difference]: Finished difference Result 27512 states and 34397 transitions. [2021-11-04 04:54:53,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 04:54:53,745 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 [2021-11-04 04:54:53,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:54:53,827 INFO L225 Difference]: With dead ends: 27512 [2021-11-04 04:54:53,828 INFO L226 Difference]: Without dead ends: 21650 [2021-11-04 04:54:53,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.65ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 04:54:53,848 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 13435 mSDsluCounter, 15099 mSDsCounter, 0 mSdLazyCounter, 35018 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16578.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13435 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 35029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 52.33ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 35018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19890.36ms IncrementalHoareTripleChecker+Time [2021-11-04 04:54:53,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13435 Valid, 0 Invalid, 35029 Unknown, 0 Unchecked, 52.33ms Time], IncrementalHoareTripleChecker [11 Valid, 35018 Invalid, 0 Unknown, 0 Unchecked, 19890.36ms Time] [2021-11-04 04:54:53,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21650 states. [2021-11-04 04:54:54,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21650 to 10920. [2021-11-04 04:54:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10920 states, 10903 states have (on average 1.2525910299917453) internal successors, (13657), 10919 states have internal predecessors, (13657), 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) [2021-11-04 04:54:54,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10920 states to 10920 states and 13657 transitions. [2021-11-04 04:54:54,141 INFO L78 Accepts]: Start accepts. Automaton has 10920 states and 13657 transitions. Word has length 42 [2021-11-04 04:54:54,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:54:54,142 INFO L470 AbstractCegarLoop]: Abstraction has 10920 states and 13657 transitions. [2021-11-04 04:54:54,144 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) [2021-11-04 04:54:54,144 INFO L276 IsEmpty]: Start isEmpty. Operand 10920 states and 13657 transitions. [2021-11-04 04:54:54,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-04 04:54:54,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:54:54,156 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] [2021-11-04 04:54:54,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 04:54:54,157 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-04 04:54:54,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:54:54,157 INFO L85 PathProgramCache]: Analyzing trace with hash -31136546, now seen corresponding path program 1 times [2021-11-04 04:54:54,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:54:54,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787898297] [2021-11-04 04:54:54,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:54:54,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:54:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:54:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 04:54:54,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:54:54,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787898297] [2021-11-04 04:54:54,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787898297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:54:54,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:54:54,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 04:54:54,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476537616] [2021-11-04 04:54:54,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:54:54,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 04:54:54,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:54:54,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 04:54:54,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 04:54:54,326 INFO L87 Difference]: Start difference. First operand 10920 states and 13657 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) [2021-11-04 04:55:10,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:55:10,562 INFO L93 Difference]: Finished difference Result 52622 states and 65664 transitions. [2021-11-04 04:55:10,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 04:55:10,568 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 [2021-11-04 04:55:10,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:55:10,643 INFO L225 Difference]: With dead ends: 52622 [2021-11-04 04:55:10,643 INFO L226 Difference]: Without dead ends: 41738 [2021-11-04 04:55:10,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.21ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 04:55:10,666 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 19651 mSDsluCounter, 14725 mSDsCounter, 0 mSdLazyCounter, 28425 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12915.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19651 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 28438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 47.73ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 28425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15298.71ms IncrementalHoareTripleChecker+Time [2021-11-04 04:55:10,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19651 Valid, 0 Invalid, 28438 Unknown, 0 Unchecked, 47.73ms Time], IncrementalHoareTripleChecker [13 Valid, 28425 Invalid, 0 Unknown, 0 Unchecked, 15298.71ms Time] [2021-11-04 04:55:10,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41738 states. [2021-11-04 04:55:11,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41738 to 21570. [2021-11-04 04:55:11,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21570 states, 21553 states have (on average 1.2517514963114185) internal successors, (26979), 21569 states have internal predecessors, (26979), 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) [2021-11-04 04:55:11,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21570 states to 21570 states and 26979 transitions. [2021-11-04 04:55:11,255 INFO L78 Accepts]: Start accepts. Automaton has 21570 states and 26979 transitions. Word has length 43 [2021-11-04 04:55:11,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:55:11,256 INFO L470 AbstractCegarLoop]: Abstraction has 21570 states and 26979 transitions. [2021-11-04 04:55:11,257 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) [2021-11-04 04:55:11,257 INFO L276 IsEmpty]: Start isEmpty. Operand 21570 states and 26979 transitions. [2021-11-04 04:55:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-04 04:55:11,260 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:55:11,260 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] [2021-11-04 04:55:11,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-04 04:55:11,260 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-04 04:55:11,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:55:11,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2131206515, now seen corresponding path program 1 times [2021-11-04 04:55:11,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:55:11,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602147505] [2021-11-04 04:55:11,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:55:11,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:55:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:55:11,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 04:55:11,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:55:11,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602147505] [2021-11-04 04:55:11,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602147505] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:55:11,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:55:11,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 04:55:11,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823530896] [2021-11-04 04:55:11,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:55:11,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 04:55:11,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:55:11,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 04:55:11,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 04:55:11,392 INFO L87 Difference]: Start difference. First operand 21570 states and 26979 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) [2021-11-04 04:55:31,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:55:31,007 INFO L93 Difference]: Finished difference Result 104472 states and 130387 transitions. [2021-11-04 04:55:31,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 04:55:31,008 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 [2021-11-04 04:55:31,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:55:31,173 INFO L225 Difference]: With dead ends: 104472 [2021-11-04 04:55:31,173 INFO L226 Difference]: Without dead ends: 82938 [2021-11-04 04:55:31,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.00ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 04:55:31,231 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 19657 mSDsluCounter, 14725 mSDsCounter, 0 mSdLazyCounter, 28424 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14768.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19657 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 28437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 46.69ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 28424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17763.35ms IncrementalHoareTripleChecker+Time [2021-11-04 04:55:31,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19657 Valid, 0 Invalid, 28437 Unknown, 0 Unchecked, 46.69ms Time], IncrementalHoareTripleChecker [13 Valid, 28424 Invalid, 0 Unknown, 0 Unchecked, 17763.35ms Time] [2021-11-04 04:55:31,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82938 states. [2021-11-04 04:55:32,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82938 to 42673. [2021-11-04 04:55:32,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42673 states, 42656 states have (on average 1.2508205176294074) internal successors, (53355), 42672 states have internal predecessors, (53355), 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) [2021-11-04 04:55:32,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42673 states to 42673 states and 53355 transitions. [2021-11-04 04:55:32,636 INFO L78 Accepts]: Start accepts. Automaton has 42673 states and 53355 transitions. Word has length 44 [2021-11-04 04:55:32,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:55:32,636 INFO L470 AbstractCegarLoop]: Abstraction has 42673 states and 53355 transitions. [2021-11-04 04:55:32,637 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) [2021-11-04 04:55:32,637 INFO L276 IsEmpty]: Start isEmpty. Operand 42673 states and 53355 transitions. [2021-11-04 04:55:32,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-04 04:55:32,640 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:55:32,640 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] [2021-11-04 04:55:32,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-04 04:55:32,640 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-04 04:55:32,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:55:32,641 INFO L85 PathProgramCache]: Analyzing trace with hash 444365368, now seen corresponding path program 1 times [2021-11-04 04:55:32,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:55:32,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604363077] [2021-11-04 04:55:32,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:55:32,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:55:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:55:32,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 04:55:32,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:55:32,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604363077] [2021-11-04 04:55:32,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604363077] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:55:32,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:55:32,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 04:55:32,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113640806] [2021-11-04 04:55:32,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:55:32,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 04:55:32,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:55:32,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 04:55:32,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 04:55:32,770 INFO L87 Difference]: Start difference. First operand 42673 states and 53355 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-11-04 04:55:54,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:55:54,165 INFO L93 Difference]: Finished difference Result 207577 states and 259021 transitions. [2021-11-04 04:55:54,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 04:55:54,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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 45 [2021-11-04 04:55:54,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:55:54,557 INFO L225 Difference]: With dead ends: 207577 [2021-11-04 04:55:54,557 INFO L226 Difference]: Without dead ends: 164940 [2021-11-04 04:55:54,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.03ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 04:55:54,717 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 19663 mSDsluCounter, 14725 mSDsCounter, 0 mSdLazyCounter, 28423 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14690.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19663 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 28436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 43.85ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 28423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17620.58ms IncrementalHoareTripleChecker+Time [2021-11-04 04:55:54,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19663 Valid, 0 Invalid, 28436 Unknown, 0 Unchecked, 43.85ms Time], IncrementalHoareTripleChecker [13 Valid, 28423 Invalid, 0 Unknown, 0 Unchecked, 17620.58ms Time] [2021-11-04 04:55:54,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164940 states. [2021-11-04 04:55:57,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164940 to 84484. [2021-11-04 04:55:57,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84484 states, 84467 states have (on average 1.2498253755904674) internal successors, (105569), 84483 states have internal predecessors, (105569), 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) [2021-11-04 04:55:57,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84484 states to 84484 states and 105569 transitions. [2021-11-04 04:55:57,819 INFO L78 Accepts]: Start accepts. Automaton has 84484 states and 105569 transitions. Word has length 45 [2021-11-04 04:55:57,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:55:57,819 INFO L470 AbstractCegarLoop]: Abstraction has 84484 states and 105569 transitions. [2021-11-04 04:55:57,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-11-04 04:55:57,819 INFO L276 IsEmpty]: Start isEmpty. Operand 84484 states and 105569 transitions. [2021-11-04 04:55:57,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-04 04:55:57,824 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:55:57,824 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, 1] [2021-11-04 04:55:57,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-04 04:55:57,825 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-04 04:55:57,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:55:57,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1972261956, now seen corresponding path program 1 times [2021-11-04 04:55:57,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:55:57,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688149339] [2021-11-04 04:55:57,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:55:57,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:55:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:55:57,929 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-04 04:55:57,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:55:57,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688149339] [2021-11-04 04:55:57,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688149339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:55:57,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:55:57,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 04:55:57,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185210151] [2021-11-04 04:55:57,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:55:57,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-04 04:55:57,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:55:57,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-04 04:55:57,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-04 04:55:57,931 INFO L87 Difference]: Start difference. First operand 84484 states and 105569 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2021-11-04 04:56:27,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:56:27,917 INFO L93 Difference]: Finished difference Result 292052 states and 364577 transitions. [2021-11-04 04:56:27,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-04 04:56:27,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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 [2021-11-04 04:56:27,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:56:28,572 INFO L225 Difference]: With dead ends: 292052 [2021-11-04 04:56:28,572 INFO L226 Difference]: Without dead ends: 207604 [2021-11-04 04:56:28,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 18.39ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-04 04:56:28,728 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 32162 mSDsluCounter, 29983 mSDsCounter, 0 mSdLazyCounter, 44561 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20133.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 32162 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 44593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 77.96ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 44561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24208.53ms IncrementalHoareTripleChecker+Time [2021-11-04 04:56:28,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32162 Valid, 0 Invalid, 44593 Unknown, 0 Unchecked, 77.96ms Time], IncrementalHoareTripleChecker [32 Valid, 44561 Invalid, 0 Unknown, 0 Unchecked, 24208.53ms Time] [2021-11-04 04:56:28,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207604 states. [2021-11-04 04:56:32,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207604 to 84524. [2021-11-04 04:56:32,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84524 states, 84507 states have (on average 1.2497071248535625) internal successors, (105609), 84523 states have internal predecessors, (105609), 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) [2021-11-04 04:56:32,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84524 states to 84524 states and 105609 transitions. [2021-11-04 04:56:32,871 INFO L78 Accepts]: Start accepts. Automaton has 84524 states and 105609 transitions. Word has length 50 [2021-11-04 04:56:32,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:56:32,871 INFO L470 AbstractCegarLoop]: Abstraction has 84524 states and 105609 transitions. [2021-11-04 04:56:32,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2021-11-04 04:56:32,872 INFO L276 IsEmpty]: Start isEmpty. Operand 84524 states and 105609 transitions. [2021-11-04 04:56:32,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-04 04:56:32,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:56:32,875 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] [2021-11-04 04:56:32,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-04 04:56:32,875 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-04 04:56:32,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:56:32,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1655743216, now seen corresponding path program 1 times [2021-11-04 04:56:32,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:56:32,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779280992] [2021-11-04 04:56:32,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:56:32,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:56:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:56:32,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 04:56:32,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:56:32,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779280992] [2021-11-04 04:56:32,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779280992] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:56:32,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:56:32,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 04:56:32,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927530818] [2021-11-04 04:56:32,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:56:32,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 04:56:32,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:56:32,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 04:56:32,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:56:32,952 INFO L87 Difference]: Start difference. First operand 84524 states and 105609 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) [2021-11-04 04:56:45,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:56:45,880 INFO L93 Difference]: Finished difference Result 213552 states and 266273 transitions. [2021-11-04 04:56:45,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 04:56:45,881 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 [2021-11-04 04:56:45,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:56:46,237 INFO L225 Difference]: With dead ends: 213552 [2021-11-04 04:56:46,237 INFO L226 Difference]: Without dead ends: 129064 [2021-11-04 04:56:46,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.55ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:56:46,340 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4332 mSDsluCounter, 7158 mSDsCounter, 0 mSdLazyCounter, 15727 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7135.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4332 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 15737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.35ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 15727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8623.10ms IncrementalHoareTripleChecker+Time [2021-11-04 04:56:46,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4332 Valid, 0 Invalid, 15737 Unknown, 0 Unchecked, 13.35ms Time], IncrementalHoareTripleChecker [10 Valid, 15727 Invalid, 0 Unknown, 0 Unchecked, 8623.10ms Time] [2021-11-04 04:56:46,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129064 states. [2021-11-04 04:56:50,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129064 to 114164. [2021-11-04 04:56:50,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114164 states, 114147 states have (on average 1.248714377075175) internal successors, (142537), 114163 states have internal predecessors, (142537), 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) [2021-11-04 04:56:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114164 states to 114164 states and 142537 transitions. [2021-11-04 04:56:50,878 INFO L78 Accepts]: Start accepts. Automaton has 114164 states and 142537 transitions. Word has length 51 [2021-11-04 04:56:50,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:56:50,879 INFO L470 AbstractCegarLoop]: Abstraction has 114164 states and 142537 transitions. [2021-11-04 04:56:50,879 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) [2021-11-04 04:56:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 114164 states and 142537 transitions. [2021-11-04 04:56:50,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-04 04:56:50,880 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:56:50,880 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] [2021-11-04 04:56:50,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-04 04:56:50,881 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2021-11-04 04:56:50,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:56:50,881 INFO L85 PathProgramCache]: Analyzing trace with hash -688759008, now seen corresponding path program 1 times [2021-11-04 04:56:50,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:56:50,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159817521] [2021-11-04 04:56:50,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:56:50,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:56:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:56:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 04:56:50,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:56:50,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159817521] [2021-11-04 04:56:50,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159817521] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:56:50,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:56:50,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 04:56:50,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601282663] [2021-11-04 04:56:50,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:56:50,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 04:56:50,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:56:50,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 04:56:50,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:56:50,958 INFO L87 Difference]: Start difference. First operand 114164 states and 142537 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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)