./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ntdrivers/parport.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ntdrivers/parport.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y --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 32bit --witnessprinter.graph.data.programhash a1ead5ef4094d0253ba0f6c617a11ece235a4b1bb5eae8c695548dfbceeb05a3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:17:10,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:17:10,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:17:10,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:17:10,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:17:10,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:17:10,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:17:10,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:17:10,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:17:10,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:17:10,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:17:10,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:17:10,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:17:10,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:17:10,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:17:10,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:17:10,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:17:10,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:17:10,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:17:10,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:17:10,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:17:10,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:17:10,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:17:10,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:17:10,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:17:10,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:17:10,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:17:10,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:17:10,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:17:10,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:17:10,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:17:10,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:17:10,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:17:10,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:17:10,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:17:10,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:17:10,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:17:10,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:17:10,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:17:10,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:17:10,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:17:10,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 18:17:10,535 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:17:10,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:17:10,539 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:17:10,539 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:17:10,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:17:10,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:17:10,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:17:10,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:17:10,550 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:17:10,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:17:10,551 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:17:10,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:17:10,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:17:10,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:17:10,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:17:10,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:17:10,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:17:10,553 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:17:10,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:17:10,554 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:17:10,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:17:10,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:17:10,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:17:10,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:17:10,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:17:10,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:17:10,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:17:10,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:17:10,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:17:10,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:17:10,557 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:17:10,557 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:17:10,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:17:10,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:17:10,558 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1ead5ef4094d0253ba0f6c617a11ece235a4b1bb5eae8c695548dfbceeb05a3 [2021-11-13 18:17:10,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:17:10,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:17:10,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:17:10,973 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:17:10,975 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:17:10,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ntdrivers/parport.i.cil-1.c [2021-11-13 18:17:11,072 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/data/682d5087f/2b22837147994d8ba7a9bce4d2294d8a/FLAGb2ad7a3a7 [2021-11-13 18:17:12,166 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:17:12,168 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/sv-benchmarks/c/ntdrivers/parport.i.cil-1.c [2021-11-13 18:17:12,238 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/data/682d5087f/2b22837147994d8ba7a9bce4d2294d8a/FLAGb2ad7a3a7 [2021-11-13 18:17:12,489 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/data/682d5087f/2b22837147994d8ba7a9bce4d2294d8a [2021-11-13 18:17:12,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:17:12,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:17:12,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:17:12,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:17:12,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:17:12,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:17:12" (1/1) ... [2021-11-13 18:17:12,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc60b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:12, skipping insertion in model container [2021-11-13 18:17:12,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:17:12" (1/1) ... [2021-11-13 18:17:12,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:17:12,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:17:13,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/sv-benchmarks/c/ntdrivers/parport.i.cil-1.c[86303,86316] [2021-11-13 18:17:14,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:17:14,851 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:17:14,939 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/sv-benchmarks/c/ntdrivers/parport.i.cil-1.c[86303,86316] [2021-11-13 18:17:15,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:17:15,585 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:17:15,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:15 WrapperNode [2021-11-13 18:17:15,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:17:15,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:17:15,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:17:15,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:17:15,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:15" (1/1) ... [2021-11-13 18:17:15,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:15" (1/1) ... [2021-11-13 18:17:15,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:17:15,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:17:16,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:17:16,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:17:16,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:15" (1/1) ... [2021-11-13 18:17:16,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:15" (1/1) ... [2021-11-13 18:17:16,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:15" (1/1) ... [2021-11-13 18:17:16,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:15" (1/1) ... [2021-11-13 18:17:16,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:15" (1/1) ... [2021-11-13 18:17:16,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:15" (1/1) ... [2021-11-13 18:17:16,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:15" (1/1) ... [2021-11-13 18:17:16,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:17:16,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:17:16,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:17:16,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:17:16,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:15" (1/1) ... [2021-11-13 18:17:16,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:17:16,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:17:16,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:17:16,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:17:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure PptDebugDumpResourceRequirementsList [2021-11-13 18:17:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDebugDumpResourceRequirementsList [2021-11-13 18:17:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure PptAcquireRemoveLock [2021-11-13 18:17:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAcquireRemoveLock [2021-11-13 18:17:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure WRITE_PORT_UCHAR [2021-11-13 18:17:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure WRITE_PORT_UCHAR [2021-11-13 18:17:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipClockDiskModeByte [2021-11-13 18:17:16,681 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipClockDiskModeByte [2021-11-13 18:17:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~PVOID~0~TO~~BOOLEAN~0 [2021-11-13 18:17:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~PVOID~0~TO~~BOOLEAN~0 [2021-11-13 18:17:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:17:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:17:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure PptClearByteMode [2021-11-13 18:17:16,682 INFO L138 BoogieDeclarations]: Found implementation of procedure PptClearByteMode [2021-11-13 18:17:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure KeStallExecutionProcessor [2021-11-13 18:17:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure KeStallExecutionProcessor [2021-11-13 18:17:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure PptEcrSetMode [2021-11-13 18:17:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure PptEcrSetMode [2021-11-13 18:17:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:17:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:17:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedDecrement [2021-11-13 18:17:16,683 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedDecrement [2021-11-13 18:17:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 18:17:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 18:17:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2021-11-13 18:17:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2021-11-13 18:17:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpPassThroughPnpIrpAndReleaseRemoveLock [2021-11-13 18:17:16,684 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpPassThroughPnpIrpAndReleaseRemoveLock [2021-11-13 18:17:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure PptEcrClearMode [2021-11-13 18:17:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure PptEcrClearMode [2021-11-13 18:17:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:17:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure PptDumpRemovalRelationsList [2021-11-13 18:17:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDumpRemovalRelationsList [2021-11-13 18:17:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure PptLogError [2021-11-13 18:17:16,685 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLogError [2021-11-13 18:17:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:17:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpUnhandledIrp [2021-11-13 18:17:16,686 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpUnhandledIrp [2021-11-13 18:17:16,686 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterExistsNonIrqResourceList [2021-11-13 18:17:16,686 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterExistsNonIrqResourceList [2021-11-13 18:17:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure PptIsNecR98Machine [2021-11-13 18:17:16,687 INFO L138 BoogieDeclarations]: Found implementation of procedure PptIsNecR98Machine [2021-11-13 18:17:16,687 INFO L130 BoogieDeclarations]: Found specification of procedure CheckPort [2021-11-13 18:17:16,687 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckPort [2021-11-13 18:17:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:17:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:17:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipSetDiskMode [2021-11-13 18:17:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipSetDiskMode [2021-11-13 18:17:16,688 INFO L130 BoogieDeclarations]: Found specification of procedure PptTrySelectLegacyZip [2021-11-13 18:17:16,688 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTrySelectLegacyZip [2021-11-13 18:17:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure PptDeselectDevice [2021-11-13 18:17:16,689 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDeselectDevice [2021-11-13 18:17:16,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-13 18:17:16,690 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-13 18:17:16,690 INFO L130 BoogieDeclarations]: Found specification of procedure PptDisconnectInterrupt [2021-11-13 18:17:16,691 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDisconnectInterrupt [2021-11-13 18:17:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2021-11-13 18:17:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2021-11-13 18:17:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpBounceAndCatchPnpIrp [2021-11-13 18:17:16,692 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpBounceAndCatchPnpIrp [2021-11-13 18:17:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 18:17:16,692 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryTickCount [2021-11-13 18:17:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryTickCount [2021-11-13 18:17:16,693 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2021-11-13 18:17:16,693 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2021-11-13 18:17:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryTimeIncrement [2021-11-13 18:17:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryTimeIncrement [2021-11-13 18:17:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedIncrement [2021-11-13 18:17:16,694 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedIncrement [2021-11-13 18:17:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 18:17:16,694 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchCompletionRoutine [2021-11-13 18:17:16,695 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchCompletionRoutine [2021-11-13 18:17:16,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:17:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure IoReportResourceUsage [2021-11-13 18:17:16,696 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReportResourceUsage [2021-11-13 18:17:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure PptInitiate1284_3 [2021-11-13 18:17:16,696 INFO L138 BoogieDeclarations]: Found implementation of procedure PptInitiate1284_3 [2021-11-13 18:17:16,696 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterRemoveIrqResourceLists [2021-11-13 18:17:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterRemoveIrqResourceLists [2021-11-13 18:17:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchCleanup [2021-11-13 18:17:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchCleanup [2021-11-13 18:17:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2021-11-13 18:17:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2021-11-13 18:17:16,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:17:16,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:17:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareUnicodeString [2021-11-13 18:17:16,698 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareUnicodeString [2021-11-13 18:17:16,698 INFO L130 BoogieDeclarations]: Found specification of procedure READ_PORT_UCHAR [2021-11-13 18:17:16,698 INFO L138 BoogieDeclarations]: Found implementation of procedure READ_PORT_UCHAR [2021-11-13 18:17:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure PptFreePort [2021-11-13 18:17:16,699 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFreePort [2021-11-13 18:17:16,699 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEcpPort [2021-11-13 18:17:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEcpPort [2021-11-13 18:17:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2021-11-13 18:17:16,700 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2021-11-13 18:17:16,700 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2021-11-13 18:17:16,701 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2021-11-13 18:17:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:17:16,701 INFO L130 BoogieDeclarations]: Found specification of procedure PptDeselectLegacyZip [2021-11-13 18:17:16,701 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDeselectLegacyZip [2021-11-13 18:17:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetCancelRoutine [2021-11-13 18:17:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetCancelRoutine [2021-11-13 18:17:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure PptTrySelectDevice [2021-11-13 18:17:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTrySelectDevice [2021-11-13 18:17:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:17:16,702 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectBytePort [2021-11-13 18:17:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectBytePort [2021-11-13 18:17:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure PptReleaseRemoveLock [2021-11-13 18:17:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure PptReleaseRemoveLock [2021-11-13 18:17:16,703 INFO L130 BoogieDeclarations]: Found specification of procedure PptPowerComplete [2021-11-13 18:17:16,703 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPowerComplete [2021-11-13 18:17:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure PptFailRequest [2021-11-13 18:17:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFailRequest [2021-11-13 18:17:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure IoAcquireRemoveLockEx [2021-11-13 18:17:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAcquireRemoveLockEx [2021-11-13 18:17:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:17:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2021-11-13 18:17:16,709 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2021-11-13 18:17:16,709 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetByteMode [2021-11-13 18:17:16,710 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetByteMode [2021-11-13 18:17:16,710 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipClockPrtModeByte [2021-11-13 18:17:16,711 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipClockPrtModeByte [2021-11-13 18:17:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEppPort [2021-11-13 18:17:16,713 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEppPort [2021-11-13 18:17:16,713 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetermineFifoWidth [2021-11-13 18:17:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetermineFifoWidth [2021-11-13 18:17:16,718 INFO L130 BoogieDeclarations]: Found specification of procedure PptSend1284_3Command [2021-11-13 18:17:16,718 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSend1284_3Command [2021-11-13 18:17:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetermineFifoDepth [2021-11-13 18:17:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetermineFifoDepth [2021-11-13 18:17:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure PptCompleteRequest [2021-11-13 18:17:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCompleteRequest [2021-11-13 18:17:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2021-11-13 18:17:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2021-11-13 18:17:16,719 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2021-11-13 18:17:16,719 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2021-11-13 18:17:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure PoRequestPowerIrp [2021-11-13 18:17:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure PoRequestPowerIrp [2021-11-13 18:17:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure KeSynchronizeExecution [2021-11-13 18:17:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSynchronizeExecution [2021-11-13 18:17:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure PptAcquireRemoveLockOrFailIrp [2021-11-13 18:17:16,720 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAcquireRemoveLockOrFailIrp [2021-11-13 18:17:16,720 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~UCHAR~0~TO~~NTSTATUS~0 [2021-11-13 18:17:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~UCHAR~0~TO~~NTSTATUS~0 [2021-11-13 18:17:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:17:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure PoSetPowerState [2021-11-13 18:17:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure PoSetPowerState [2021-11-13 18:17:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure Ppt1284_3AssignAddress [2021-11-13 18:17:16,721 INFO L138 BoogieDeclarations]: Found implementation of procedure Ppt1284_3AssignAddress [2021-11-13 18:17:16,721 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2021-11-13 18:17:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2021-11-13 18:17:16,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:17:16,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:17:17,880 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:17,981 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2021-11-13 18:17:17,981 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2021-11-13 18:17:18,001 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:18,118 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2021-11-13 18:17:18,119 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2021-11-13 18:17:18,706 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:18,839 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-11-13 18:17:18,839 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-11-13 18:17:19,266 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:19,273 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-13 18:17:19,273 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-13 18:17:19,414 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:19,435 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2021-11-13 18:17:19,436 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2021-11-13 18:17:19,601 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:19,608 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-13 18:17:19,609 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-13 18:17:19,613 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:19,646 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2021-11-13 18:17:19,647 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2021-11-13 18:17:19,648 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:19,713 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2021-11-13 18:17:19,713 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2021-11-13 18:17:20,003 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:20,006 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:20,007 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:20,009 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:20,009 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:20,043 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:20,051 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:20,052 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:20,055 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:20,056 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:20,057 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:20,058 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:17:30,669 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##369: assume !false; [2021-11-13 18:17:30,669 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##368: assume false; [2021-11-13 18:17:30,669 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##407: assume !false; [2021-11-13 18:17:30,670 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##406: assume false; [2021-11-13 18:17:30,670 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##470: assume false; [2021-11-13 18:17:30,670 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##471: assume !false; [2021-11-13 18:17:30,670 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##525: assume !false; [2021-11-13 18:17:30,670 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##524: assume false; [2021-11-13 18:17:30,670 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##515: assume !false; [2021-11-13 18:17:30,670 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##514: assume false; [2021-11-13 18:17:30,670 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##94: assume !false; [2021-11-13 18:17:30,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume false; [2021-11-13 18:17:30,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2021-11-13 18:17:30,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2021-11-13 18:17:30,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2021-11-13 18:17:30,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2021-11-13 18:17:30,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2021-11-13 18:17:30,672 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2021-11-13 18:17:30,672 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume !false; [2021-11-13 18:17:30,672 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume false; [2021-11-13 18:17:30,672 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##569: assume false; [2021-11-13 18:17:30,672 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##570: assume !false; [2021-11-13 18:17:30,673 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume !false; [2021-11-13 18:17:30,673 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##124: assume false; [2021-11-13 18:17:30,772 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:17:30,772 INFO L299 CfgBuilder]: Removed 32 assume(true) statements. [2021-11-13 18:17:30,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:17:30 BoogieIcfgContainer [2021-11-13 18:17:30,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:17:30,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:17:30,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:17:30,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:17:30,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:17:12" (1/3) ... [2021-11-13 18:17:30,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36965afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:17:30, skipping insertion in model container [2021-11-13 18:17:30,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:15" (2/3) ... [2021-11-13 18:17:30,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36965afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:17:30, skipping insertion in model container [2021-11-13 18:17:30,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:17:30" (3/3) ... [2021-11-13 18:17:30,788 INFO L111 eAbstractionObserver]: Analyzing ICFG parport.i.cil-1.c [2021-11-13 18:17:30,794 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:17:30,794 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:17:30,868 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:17:30,876 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 [2021-11-13 18:17:30,876 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:17:30,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 1702 states, 1189 states have (on average 1.465937762825904) internal successors, (1743), 1238 states have internal predecessors, (1743), 442 states have call successors, (442), 69 states have call predecessors, (442), 69 states have return successors, (442), 429 states have call predecessors, (442), 442 states have call successors, (442) [2021-11-13 18:17:30,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 18:17:30,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:17:30,958 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:17:30,959 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:17:30,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:17:30,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1693018431, now seen corresponding path program 1 times [2021-11-13 18:17:30,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:17:30,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686900998] [2021-11-13 18:17:30,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:17:30,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:17:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:31,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:17:31,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:17:31,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686900998] [2021-11-13 18:17:31,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686900998] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:17:31,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:17:31,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:17:31,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317843875] [2021-11-13 18:17:31,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:17:31,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:17:31,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:17:31,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:17:31,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:17:31,661 INFO L87 Difference]: Start difference. First operand has 1702 states, 1189 states have (on average 1.465937762825904) internal successors, (1743), 1238 states have internal predecessors, (1743), 442 states have call successors, (442), 69 states have call predecessors, (442), 69 states have return successors, (442), 429 states have call predecessors, (442), 442 states have call successors, (442) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:17:32,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:17:32,126 INFO L93 Difference]: Finished difference Result 3313 states and 5202 transitions. [2021-11-13 18:17:32,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:17:32,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-13 18:17:32,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:17:32,178 INFO L225 Difference]: With dead ends: 3313 [2021-11-13 18:17:32,179 INFO L226 Difference]: Without dead ends: 1695 [2021-11-13 18:17:32,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:17:32,207 INFO L933 BasicCegarLoop]: 2534 mSDtfsCounter, 8 mSDsluCounter, 2480 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 103.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5014 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 61.48ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 124.36ms IncrementalHoareTripleChecker+Time [2021-11-13 18:17:32,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 5014 Invalid, 63 Unknown, 0 Unchecked, 61.48ms Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 124.36ms Time] [2021-11-13 18:17:32,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2021-11-13 18:17:32,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1695. [2021-11-13 18:17:32,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1695 states, 1184 states have (on average 1.4028716216216217) internal successors, (1661), 1231 states have internal predecessors, (1661), 442 states have call successors, (442), 69 states have call predecessors, (442), 68 states have return successors, (423), 415 states have call predecessors, (423), 423 states have call successors, (423) [2021-11-13 18:17:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 2526 transitions. [2021-11-13 18:17:32,540 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 2526 transitions. Word has length 13 [2021-11-13 18:17:32,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:17:32,541 INFO L470 AbstractCegarLoop]: Abstraction has 1695 states and 2526 transitions. [2021-11-13 18:17:32,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:17:32,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2526 transitions. [2021-11-13 18:17:32,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 18:17:32,543 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:17:32,543 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:17:32,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:17:32,544 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:17:32,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:17:32,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1483250578, now seen corresponding path program 1 times [2021-11-13 18:17:32,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:17:32,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353090009] [2021-11-13 18:17:32,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:17:32,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:17:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:32,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:17:32,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:17:32,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353090009] [2021-11-13 18:17:32,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353090009] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:17:32,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:17:32,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:17:32,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358311318] [2021-11-13 18:17:32,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:17:32,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:17:32,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:17:32,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:17:32,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:17:32,733 INFO L87 Difference]: Start difference. First operand 1695 states and 2526 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:17:33,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:17:33,184 INFO L93 Difference]: Finished difference Result 4332 states and 6509 transitions. [2021-11-13 18:17:33,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:17:33,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-13 18:17:33,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:17:33,217 INFO L225 Difference]: With dead ends: 4332 [2021-11-13 18:17:33,217 INFO L226 Difference]: Without dead ends: 3194 [2021-11-13 18:17:33,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:17:33,227 INFO L933 BasicCegarLoop]: 4441 mSDtfsCounter, 2414 mSDsluCounter, 2270 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 205.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2414 SdHoareTripleChecker+Valid, 6711 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.29ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 246.75ms IncrementalHoareTripleChecker+Time [2021-11-13 18:17:33,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2414 Valid, 6711 Invalid, 131 Unknown, 0 Unchecked, 28.29ms Time], IncrementalHoareTripleChecker [17 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 246.75ms Time] [2021-11-13 18:17:33,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2021-11-13 18:17:33,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 3174. [2021-11-13 18:17:33,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3174 states, 2221 states have (on average 1.3980189104007203) internal successors, (3105), 2286 states have internal predecessors, (3105), 822 states have call successors, (822), 132 states have call predecessors, (822), 130 states have return successors, (840), 790 states have call predecessors, (840), 806 states have call successors, (840) [2021-11-13 18:17:33,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 4767 transitions. [2021-11-13 18:17:33,491 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 4767 transitions. Word has length 18 [2021-11-13 18:17:33,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:17:33,493 INFO L470 AbstractCegarLoop]: Abstraction has 3174 states and 4767 transitions. [2021-11-13 18:17:33,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:17:33,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 4767 transitions. [2021-11-13 18:17:33,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 18:17:33,506 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:17:33,506 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] [2021-11-13 18:17:33,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:17:33,507 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:17:33,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:17:33,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1771579625, now seen corresponding path program 1 times [2021-11-13 18:17:33,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:17:33,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199370571] [2021-11-13 18:17:33,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:17:33,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:17:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-13 18:17:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:33,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:17:33,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:17:33,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199370571] [2021-11-13 18:17:33,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199370571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:17:33,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:17:33,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:17:33,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908738564] [2021-11-13 18:17:33,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:17:33,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:17:33,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:17:33,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:17:33,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:17:33,853 INFO L87 Difference]: Start difference. First operand 3174 states and 4767 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:17:42,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:17:42,947 INFO L93 Difference]: Finished difference Result 3922 states and 5860 transitions. [2021-11-13 18:17:42,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:17:42,948 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-11-13 18:17:42,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:17:42,988 INFO L225 Difference]: With dead ends: 3922 [2021-11-13 18:17:42,988 INFO L226 Difference]: Without dead ends: 3912 [2021-11-13 18:17:42,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-13 18:17:42,993 INFO L933 BasicCegarLoop]: 2558 mSDtfsCounter, 5552 mSDsluCounter, 2630 mSDsCounter, 0 mSdLazyCounter, 4051 mSolverCounterSat, 3342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7326.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5683 SdHoareTripleChecker+Valid, 5188 SdHoareTripleChecker+Invalid, 7393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 74.98ms SdHoareTripleChecker+Time, 3342 IncrementalHoareTripleChecker+Valid, 4051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8509.30ms IncrementalHoareTripleChecker+Time [2021-11-13 18:17:42,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5683 Valid, 5188 Invalid, 7393 Unknown, 0 Unchecked, 74.98ms Time], IncrementalHoareTripleChecker [3342 Valid, 4051 Invalid, 0 Unknown, 0 Unchecked, 8509.30ms Time] [2021-11-13 18:17:43,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3912 states. [2021-11-13 18:17:43,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3912 to 3875. [2021-11-13 18:17:43,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3875 states, 2651 states have (on average 1.3881554130516787) internal successors, (3680), 2725 states have internal predecessors, (3680), 1050 states have call successors, (1050), 175 states have call predecessors, (1050), 173 states have return successors, (1069), 1014 states have call predecessors, (1069), 1034 states have call successors, (1069) [2021-11-13 18:17:43,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3875 states to 3875 states and 5799 transitions. [2021-11-13 18:17:43,385 INFO L78 Accepts]: Start accepts. Automaton has 3875 states and 5799 transitions. Word has length 30 [2021-11-13 18:17:43,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:17:43,385 INFO L470 AbstractCegarLoop]: Abstraction has 3875 states and 5799 transitions. [2021-11-13 18:17:43,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:17:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 3875 states and 5799 transitions. [2021-11-13 18:17:43,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 18:17:43,389 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:17:43,389 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] [2021-11-13 18:17:43,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:17:43,390 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:17:43,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:17:43,391 INFO L85 PathProgramCache]: Analyzing trace with hash 470579461, now seen corresponding path program 1 times [2021-11-13 18:17:43,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:17:43,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509765577] [2021-11-13 18:17:43,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:17:43,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:17:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:43,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-13 18:17:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:17:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:17:43,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:17:43,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509765577] [2021-11-13 18:17:43,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509765577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:17:43,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:17:43,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:17:43,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009515942] [2021-11-13 18:17:43,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:17:43,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:17:43,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:17:43,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:17:43,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:17:43,677 INFO L87 Difference]: Start difference. First operand 3875 states and 5799 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:17:52,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:17:52,545 INFO L93 Difference]: Finished difference Result 3913 states and 5845 transitions. [2021-11-13 18:17:52,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:17:52,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-11-13 18:17:52,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:17:52,581 INFO L225 Difference]: With dead ends: 3913 [2021-11-13 18:17:52,581 INFO L226 Difference]: Without dead ends: 3906 [2021-11-13 18:17:52,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-13 18:17:52,586 INFO L933 BasicCegarLoop]: 2558 mSDtfsCounter, 5541 mSDsluCounter, 2625 mSDsCounter, 0 mSdLazyCounter, 4046 mSolverCounterSat, 3338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7159.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5672 SdHoareTripleChecker+Valid, 5183 SdHoareTripleChecker+Invalid, 7384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 63.85ms SdHoareTripleChecker+Time, 3338 IncrementalHoareTripleChecker+Valid, 4046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8416.41ms IncrementalHoareTripleChecker+Time [2021-11-13 18:17:52,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5672 Valid, 5183 Invalid, 7384 Unknown, 0 Unchecked, 63.85ms Time], IncrementalHoareTripleChecker [3338 Valid, 4046 Invalid, 0 Unknown, 0 Unchecked, 8416.41ms Time] [2021-11-13 18:17:52,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3906 states. [2021-11-13 18:17:52,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3906 to 3875. [2021-11-13 18:17:52,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3875 states, 2651 states have (on average 1.3877781969068277) internal successors, (3679), 2725 states have internal predecessors, (3679), 1050 states have call successors, (1050), 175 states have call predecessors, (1050), 173 states have return successors, (1069), 1014 states have call predecessors, (1069), 1034 states have call successors, (1069) [2021-11-13 18:17:52,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3875 states to 3875 states and 5798 transitions. [2021-11-13 18:17:52,937 INFO L78 Accepts]: Start accepts. Automaton has 3875 states and 5798 transitions. Word has length 31 [2021-11-13 18:17:52,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:17:52,938 INFO L470 AbstractCegarLoop]: Abstraction has 3875 states and 5798 transitions. [2021-11-13 18:17:52,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:17:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 3875 states and 5798 transitions. [2021-11-13 18:17:52,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 18:17:52,940 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:17:52,940 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] [2021-11-13 18:17:52,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:17:52,940 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:17:52,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:17:52,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1427038734, now seen corresponding path program 1 times [2021-11-13 18:17:52,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:17:52,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360222708] [2021-11-13 18:17:52,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:17:52,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:17:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:17:53,170 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:17:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:17:53,484 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:17:53,484 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 18:17:53,485 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 18:17:53,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:17:53,493 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-13 18:17:53,497 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:17:53,595 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 18:17:53,602 INFO L158 Benchmark]: Toolchain (without parser) took 41107.30ms. Allocated memory was 92.3MB in the beginning and 476.1MB in the end (delta: 383.8MB). Free memory was 59.1MB in the beginning and 285.8MB in the end (delta: -226.7MB). Peak memory consumption was 156.3MB. Max. memory is 16.1GB. [2021-11-13 18:17:53,602 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 66.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:17:53,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3090.89ms. Allocated memory was 92.3MB in the beginning and 148.9MB in the end (delta: 56.6MB). Free memory was 58.8MB in the beginning and 87.7MB in the end (delta: -28.9MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2021-11-13 18:17:53,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 411.14ms. Allocated memory is still 148.9MB. Free memory was 87.7MB in the beginning and 61.0MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-13 18:17:53,604 INFO L158 Benchmark]: Boogie Preprocessor took 515.70ms. Allocated memory is still 148.9MB. Free memory was 61.0MB in the beginning and 53.1MB in the end (delta: 7.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 18:17:53,604 INFO L158 Benchmark]: RCFGBuilder took 14261.66ms. Allocated memory was 148.9MB in the beginning and 390.1MB in the end (delta: 241.2MB). Free memory was 53.1MB in the beginning and 192.2MB in the end (delta: -139.1MB). Peak memory consumption was 167.5MB. Max. memory is 16.1GB. [2021-11-13 18:17:53,605 INFO L158 Benchmark]: TraceAbstraction took 22820.96ms. Allocated memory was 390.1MB in the beginning and 476.1MB in the end (delta: 86.0MB). Free memory was 191.1MB in the beginning and 285.8MB in the end (delta: -94.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:17:53,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 66.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3090.89ms. Allocated memory was 92.3MB in the beginning and 148.9MB in the end (delta: 56.6MB). Free memory was 58.8MB in the beginning and 87.7MB in the end (delta: -28.9MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 411.14ms. Allocated memory is still 148.9MB. Free memory was 87.7MB in the beginning and 61.0MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 515.70ms. Allocated memory is still 148.9MB. Free memory was 61.0MB in the beginning and 53.1MB in the end (delta: 7.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 14261.66ms. Allocated memory was 148.9MB in the beginning and 390.1MB in the end (delta: 241.2MB). Free memory was 53.1MB in the beginning and 192.2MB in the end (delta: -139.1MB). Peak memory consumption was 167.5MB. Max. memory is 16.1GB. * TraceAbstraction took 22820.96ms. Allocated memory was 390.1MB in the beginning and 476.1MB in the end (delta: 86.0MB). Free memory was 191.1MB in the beginning and 285.8MB in the end (delta: -94.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 18:17:53,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ntdrivers/parport.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y --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 32bit --witnessprinter.graph.data.programhash a1ead5ef4094d0253ba0f6c617a11ece235a4b1bb5eae8c695548dfbceeb05a3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:17:56,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:17:56,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:17:56,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:17:56,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:17:56,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:17:56,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:17:56,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:17:56,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:17:56,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:17:56,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:17:56,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:17:56,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:17:56,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:17:56,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:17:56,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:17:56,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:17:56,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:17:56,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:17:56,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:17:56,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:17:56,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:17:56,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:17:56,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:17:56,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:17:56,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:17:56,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:17:56,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:17:56,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:17:56,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:17:56,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:17:56,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:17:56,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:17:56,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:17:56,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:17:56,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:17:56,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:17:56,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:17:56,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:17:56,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:17:56,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:17:56,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-13 18:17:56,446 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:17:56,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:17:56,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:17:56,448 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:17:56,449 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:17:56,449 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:17:56,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:17:56,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:17:56,451 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:17:56,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:17:56,453 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:17:56,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:17:56,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:17:56,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:17:56,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:17:56,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:17:56,455 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 18:17:56,455 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 18:17:56,455 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:17:56,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:17:56,456 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:17:56,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:17:56,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:17:56,457 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:17:56,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:17:56,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:17:56,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:17:56,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:17:56,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:17:56,458 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 18:17:56,459 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 18:17:56,459 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:17:56,459 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:17:56,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:17:56,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:17:56,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 18:17:56,460 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1ead5ef4094d0253ba0f6c617a11ece235a4b1bb5eae8c695548dfbceeb05a3 [2021-11-13 18:17:56,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:17:56,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:17:56,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:17:56,904 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:17:56,905 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:17:56,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ntdrivers/parport.i.cil-1.c [2021-11-13 18:17:57,000 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/data/7c591ba42/e9d0e9c7dd674b4ea27148785165a298/FLAG11e5b5bc1 [2021-11-13 18:17:58,028 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:17:58,032 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/sv-benchmarks/c/ntdrivers/parport.i.cil-1.c [2021-11-13 18:17:58,120 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/data/7c591ba42/e9d0e9c7dd674b4ea27148785165a298/FLAG11e5b5bc1 [2021-11-13 18:17:58,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/data/7c591ba42/e9d0e9c7dd674b4ea27148785165a298 [2021-11-13 18:17:58,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:17:58,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:17:58,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:17:58,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:17:58,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:17:58,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:17:58" (1/1) ... [2021-11-13 18:17:58,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f6b77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:58, skipping insertion in model container [2021-11-13 18:17:58,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:17:58" (1/1) ... [2021-11-13 18:17:58,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:17:58,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:17:59,718 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/sv-benchmarks/c/ntdrivers/parport.i.cil-1.c[86303,86316] [2021-11-13 18:18:00,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:18:00,922 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:18:00,999 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/sv-benchmarks/c/ntdrivers/parport.i.cil-1.c[86303,86316] [2021-11-13 18:18:01,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:18:01,593 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:18:01,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:01 WrapperNode [2021-11-13 18:18:01,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:18:01,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:18:01,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:18:01,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:18:01,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:01" (1/1) ... [2021-11-13 18:18:01,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:01" (1/1) ... [2021-11-13 18:18:02,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:18:02,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:18:02,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:18:02,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:18:02,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:01" (1/1) ... [2021-11-13 18:18:02,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:01" (1/1) ... [2021-11-13 18:18:02,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:01" (1/1) ... [2021-11-13 18:18:02,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:01" (1/1) ... [2021-11-13 18:18:02,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:01" (1/1) ... [2021-11-13 18:18:02,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:01" (1/1) ... [2021-11-13 18:18:02,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:01" (1/1) ... [2021-11-13 18:18:02,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:18:02,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:18:02,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:18:02,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:18:02,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:01" (1/1) ... [2021-11-13 18:18:02,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:18:02,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:18:02,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:18:02,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:18:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure PptDebugDumpResourceRequirementsList [2021-11-13 18:18:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDebugDumpResourceRequirementsList [2021-11-13 18:18:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure PptAcquireRemoveLock [2021-11-13 18:18:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAcquireRemoveLock [2021-11-13 18:18:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 18:18:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 18:18:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure WRITE_PORT_UCHAR [2021-11-13 18:18:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure WRITE_PORT_UCHAR [2021-11-13 18:18:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 18:18:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipClockDiskModeByte [2021-11-13 18:18:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipClockDiskModeByte [2021-11-13 18:18:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~PVOID~0~TO~~BOOLEAN~0 [2021-11-13 18:18:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~PVOID~0~TO~~BOOLEAN~0 [2021-11-13 18:18:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:18:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 18:18:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:18:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure PptClearByteMode [2021-11-13 18:18:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure PptClearByteMode [2021-11-13 18:18:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure KeStallExecutionProcessor [2021-11-13 18:18:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure KeStallExecutionProcessor [2021-11-13 18:18:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure PptEcrSetMode [2021-11-13 18:18:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure PptEcrSetMode [2021-11-13 18:18:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:18:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:18:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedDecrement [2021-11-13 18:18:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedDecrement [2021-11-13 18:18:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 18:18:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 18:18:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2021-11-13 18:18:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2021-11-13 18:18:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpPassThroughPnpIrpAndReleaseRemoveLock [2021-11-13 18:18:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpPassThroughPnpIrpAndReleaseRemoveLock [2021-11-13 18:18:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure PptEcrClearMode [2021-11-13 18:18:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure PptEcrClearMode [2021-11-13 18:18:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:18:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure PptDumpRemovalRelationsList [2021-11-13 18:18:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDumpRemovalRelationsList [2021-11-13 18:18:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure PptLogError [2021-11-13 18:18:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLogError [2021-11-13 18:18:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:18:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpUnhandledIrp [2021-11-13 18:18:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpUnhandledIrp [2021-11-13 18:18:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterExistsNonIrqResourceList [2021-11-13 18:18:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterExistsNonIrqResourceList [2021-11-13 18:18:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure PptIsNecR98Machine [2021-11-13 18:18:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure PptIsNecR98Machine [2021-11-13 18:18:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure CheckPort [2021-11-13 18:18:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckPort [2021-11-13 18:18:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 18:18:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 18:18:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 18:18:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:18:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 18:18:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:18:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipSetDiskMode [2021-11-13 18:18:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipSetDiskMode [2021-11-13 18:18:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-13 18:18:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 18:18:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 18:18:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure PptTrySelectLegacyZip [2021-11-13 18:18:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTrySelectLegacyZip [2021-11-13 18:18:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure PptDeselectDevice [2021-11-13 18:18:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDeselectDevice [2021-11-13 18:18:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-13 18:18:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-13 18:18:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure PptDisconnectInterrupt [2021-11-13 18:18:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDisconnectInterrupt [2021-11-13 18:18:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2021-11-13 18:18:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2021-11-13 18:18:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpBounceAndCatchPnpIrp [2021-11-13 18:18:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpBounceAndCatchPnpIrp [2021-11-13 18:18:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryTickCount [2021-11-13 18:18:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryTickCount [2021-11-13 18:18:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2021-11-13 18:18:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2021-11-13 18:18:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryTimeIncrement [2021-11-13 18:18:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryTimeIncrement [2021-11-13 18:18:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedIncrement [2021-11-13 18:18:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedIncrement [2021-11-13 18:18:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchCompletionRoutine [2021-11-13 18:18:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchCompletionRoutine [2021-11-13 18:18:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure IoReportResourceUsage [2021-11-13 18:18:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReportResourceUsage [2021-11-13 18:18:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure PptInitiate1284_3 [2021-11-13 18:18:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure PptInitiate1284_3 [2021-11-13 18:18:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterRemoveIrqResourceLists [2021-11-13 18:18:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterRemoveIrqResourceLists [2021-11-13 18:18:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchCleanup [2021-11-13 18:18:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchCleanup [2021-11-13 18:18:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2021-11-13 18:18:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2021-11-13 18:18:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:18:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:18:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareUnicodeString [2021-11-13 18:18:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareUnicodeString [2021-11-13 18:18:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure READ_PORT_UCHAR [2021-11-13 18:18:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure READ_PORT_UCHAR [2021-11-13 18:18:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure PptFreePort [2021-11-13 18:18:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFreePort [2021-11-13 18:18:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEcpPort [2021-11-13 18:18:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEcpPort [2021-11-13 18:18:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2021-11-13 18:18:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2021-11-13 18:18:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2021-11-13 18:18:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2021-11-13 18:18:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 18:18:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-13 18:18:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-13 18:18:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-13 18:18:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure PptDeselectLegacyZip [2021-11-13 18:18:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDeselectLegacyZip [2021-11-13 18:18:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetCancelRoutine [2021-11-13 18:18:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetCancelRoutine [2021-11-13 18:18:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure PptTrySelectDevice [2021-11-13 18:18:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTrySelectDevice [2021-11-13 18:18:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:18:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectBytePort [2021-11-13 18:18:02,626 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectBytePort [2021-11-13 18:18:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure PptReleaseRemoveLock [2021-11-13 18:18:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure PptReleaseRemoveLock [2021-11-13 18:18:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure PptPowerComplete [2021-11-13 18:18:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPowerComplete [2021-11-13 18:18:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure PptFailRequest [2021-11-13 18:18:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFailRequest [2021-11-13 18:18:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure IoAcquireRemoveLockEx [2021-11-13 18:18:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAcquireRemoveLockEx [2021-11-13 18:18:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:18:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2021-11-13 18:18:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2021-11-13 18:18:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetByteMode [2021-11-13 18:18:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetByteMode [2021-11-13 18:18:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-13 18:18:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-13 18:18:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 18:18:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipClockPrtModeByte [2021-11-13 18:18:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipClockPrtModeByte [2021-11-13 18:18:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEppPort [2021-11-13 18:18:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEppPort [2021-11-13 18:18:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetermineFifoWidth [2021-11-13 18:18:02,638 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetermineFifoWidth [2021-11-13 18:18:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure PptSend1284_3Command [2021-11-13 18:18:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSend1284_3Command [2021-11-13 18:18:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetermineFifoDepth [2021-11-13 18:18:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetermineFifoDepth [2021-11-13 18:18:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure PptCompleteRequest [2021-11-13 18:18:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCompleteRequest [2021-11-13 18:18:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2021-11-13 18:18:02,639 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2021-11-13 18:18:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2021-11-13 18:18:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2021-11-13 18:18:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure PoRequestPowerIrp [2021-11-13 18:18:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure PoRequestPowerIrp [2021-11-13 18:18:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure KeSynchronizeExecution [2021-11-13 18:18:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSynchronizeExecution [2021-11-13 18:18:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure PptAcquireRemoveLockOrFailIrp [2021-11-13 18:18:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAcquireRemoveLockOrFailIrp [2021-11-13 18:18:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~UCHAR~0~TO~~NTSTATUS~0 [2021-11-13 18:18:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~UCHAR~0~TO~~NTSTATUS~0 [2021-11-13 18:18:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-13 18:18:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure PoSetPowerState [2021-11-13 18:18:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure PoSetPowerState [2021-11-13 18:18:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure Ppt1284_3AssignAddress [2021-11-13 18:18:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure Ppt1284_3AssignAddress [2021-11-13 18:18:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2021-11-13 18:18:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2021-11-13 18:18:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:18:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:18:03,771 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:03,853 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2021-11-13 18:18:03,853 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2021-11-13 18:18:04,734 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:04,746 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-13 18:18:04,746 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-13 18:18:04,881 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:04,936 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2021-11-13 18:18:04,936 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2021-11-13 18:18:05,165 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:05,299 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2021-11-13 18:18:05,299 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2021-11-13 18:18:07,479 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:07,593 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-11-13 18:18:07,593 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-11-13 18:18:08,769 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:08,825 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2021-11-13 18:18:08,826 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2021-11-13 18:18:09,391 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:09,407 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-13 18:18:09,407 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-13 18:18:09,408 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:09,749 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2021-11-13 18:18:09,749 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2021-11-13 18:18:10,190 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:10,192 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:10,194 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:10,196 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:10,196 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:10,199 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:10,213 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:10,216 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:10,225 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:10,228 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:10,265 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:10,267 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 18:18:49,419 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##369: assume !false; [2021-11-13 18:18:49,419 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##368: assume false; [2021-11-13 18:18:49,419 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##407: assume !false; [2021-11-13 18:18:49,419 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##406: assume false; [2021-11-13 18:18:49,420 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##470: assume false; [2021-11-13 18:18:49,420 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##471: assume !false; [2021-11-13 18:18:49,420 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##525: assume !false; [2021-11-13 18:18:49,420 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##524: assume false; [2021-11-13 18:18:49,420 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##515: assume !false; [2021-11-13 18:18:49,421 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##514: assume false; [2021-11-13 18:18:49,421 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##94: assume !false; [2021-11-13 18:18:49,421 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume false; [2021-11-13 18:18:49,421 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2021-11-13 18:18:49,421 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2021-11-13 18:18:49,422 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2021-11-13 18:18:49,422 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2021-11-13 18:18:49,422 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2021-11-13 18:18:49,422 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2021-11-13 18:18:49,422 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume !false; [2021-11-13 18:18:49,423 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume false; [2021-11-13 18:18:49,423 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##569: assume false; [2021-11-13 18:18:49,423 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##570: assume !false; [2021-11-13 18:18:49,423 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume !false; [2021-11-13 18:18:49,423 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##124: assume false; [2021-11-13 18:18:49,534 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:18:49,535 INFO L299 CfgBuilder]: Removed 32 assume(true) statements. [2021-11-13 18:18:49,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:18:49 BoogieIcfgContainer [2021-11-13 18:18:49,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:18:49,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:18:49,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:18:49,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:18:49,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:17:58" (1/3) ... [2021-11-13 18:18:49,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e5f480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:18:49, skipping insertion in model container [2021-11-13 18:18:49,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:18:01" (2/3) ... [2021-11-13 18:18:49,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e5f480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:18:49, skipping insertion in model container [2021-11-13 18:18:49,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:18:49" (3/3) ... [2021-11-13 18:18:49,548 INFO L111 eAbstractionObserver]: Analyzing ICFG parport.i.cil-1.c [2021-11-13 18:18:49,554 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:18:49,554 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:18:49,627 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:18:49,634 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 [2021-11-13 18:18:49,634 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:18:49,698 INFO L276 IsEmpty]: Start isEmpty. Operand has 1702 states, 1189 states have (on average 1.465937762825904) internal successors, (1743), 1238 states have internal predecessors, (1743), 442 states have call successors, (442), 69 states have call predecessors, (442), 69 states have return successors, (442), 429 states have call predecessors, (442), 442 states have call successors, (442) [2021-11-13 18:18:49,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 18:18:49,703 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:18:49,703 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:18:49,703 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:18:49,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:18:49,708 INFO L85 PathProgramCache]: Analyzing trace with hash -724716073, now seen corresponding path program 1 times [2021-11-13 18:18:49,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:18:49,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [860112774] [2021-11-13 18:18:49,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:18:49,726 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:18:49,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:18:49,729 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:18:49,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 18:18:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:50,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:18:50,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:18:50,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:18:50,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:18:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:18:50,911 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:18:50,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [860112774] [2021-11-13 18:18:50,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [860112774] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:18:50,912 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:18:50,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 18:18:50,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245844231] [2021-11-13 18:18:50,915 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:18:50,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:18:50,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:18:50,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:18:50,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:18:50,978 INFO L87 Difference]: Start difference. First operand has 1702 states, 1189 states have (on average 1.465937762825904) internal successors, (1743), 1238 states have internal predecessors, (1743), 442 states have call successors, (442), 69 states have call predecessors, (442), 69 states have return successors, (442), 429 states have call predecessors, (442), 442 states have call successors, (442) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:18:51,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:18:51,622 INFO L93 Difference]: Finished difference Result 3313 states and 5202 transitions. [2021-11-13 18:18:51,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:18:51,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-13 18:18:51,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:18:51,662 INFO L225 Difference]: With dead ends: 3313 [2021-11-13 18:18:51,662 INFO L226 Difference]: Without dead ends: 1695 [2021-11-13 18:18:51,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:18:51,688 INFO L933 BasicCegarLoop]: 2534 mSDtfsCounter, 8 mSDsluCounter, 2480 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 331.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5014 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.89ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 378.51ms IncrementalHoareTripleChecker+Time [2021-11-13 18:18:51,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 5014 Invalid, 63 Unknown, 0 Unchecked, 37.89ms Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 378.51ms Time] [2021-11-13 18:18:51,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2021-11-13 18:18:51,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1695. [2021-11-13 18:18:51,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1695 states, 1184 states have (on average 1.4028716216216217) internal successors, (1661), 1231 states have internal predecessors, (1661), 442 states have call successors, (442), 69 states have call predecessors, (442), 68 states have return successors, (423), 415 states have call predecessors, (423), 423 states have call successors, (423) [2021-11-13 18:18:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 2526 transitions. [2021-11-13 18:18:51,929 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 2526 transitions. Word has length 13 [2021-11-13 18:18:51,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:18:51,930 INFO L470 AbstractCegarLoop]: Abstraction has 1695 states and 2526 transitions. [2021-11-13 18:18:51,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:18:51,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2526 transitions. [2021-11-13 18:18:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 18:18:51,932 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:18:51,933 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:18:51,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:18:52,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:18:52,149 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:18:52,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:18:52,149 INFO L85 PathProgramCache]: Analyzing trace with hash -705401190, now seen corresponding path program 1 times [2021-11-13 18:18:52,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:18:52,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256998397] [2021-11-13 18:18:52,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:18:52,152 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:18:52,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:18:52,153 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:18:52,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 18:18:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:18:52,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 18:18:52,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:18:53,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:18:53,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:18:53,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:18:53,545 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:18:53,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [256998397] [2021-11-13 18:18:53,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [256998397] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:18:53,546 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:18:53,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [] total 5 [2021-11-13 18:18:53,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064935865] [2021-11-13 18:18:53,547 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:18:53,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:18:53,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:18:53,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:18:53,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:18:53,550 INFO L87 Difference]: Start difference. First operand 1695 states and 2526 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (5), 3 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:18:55,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:03,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:19:03,968 INFO L93 Difference]: Finished difference Result 4332 states and 6509 transitions. [2021-11-13 18:19:03,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:19:03,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (5), 3 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-13 18:19:03,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:19:04,008 INFO L225 Difference]: With dead ends: 4332 [2021-11-13 18:19:04,008 INFO L226 Difference]: Without dead ends: 3194 [2021-11-13 18:19:04,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:19:04,020 INFO L933 BasicCegarLoop]: 4385 mSDtfsCounter, 6354 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 860 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9074.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6354 SdHoareTripleChecker+Valid, 5859 SdHoareTripleChecker+Invalid, 1827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 61.96ms SdHoareTripleChecker+Time, 860 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9912.78ms IncrementalHoareTripleChecker+Time [2021-11-13 18:19:04,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6354 Valid, 5859 Invalid, 1827 Unknown, 0 Unchecked, 61.96ms Time], IncrementalHoareTripleChecker [860 Valid, 966 Invalid, 1 Unknown, 0 Unchecked, 9912.78ms Time] [2021-11-13 18:19:04,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2021-11-13 18:19:04,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 3174. [2021-11-13 18:19:04,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3174 states, 2221 states have (on average 1.3980189104007203) internal successors, (3105), 2286 states have internal predecessors, (3105), 822 states have call successors, (822), 132 states have call predecessors, (822), 130 states have return successors, (840), 790 states have call predecessors, (840), 806 states have call successors, (840) [2021-11-13 18:19:04,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 4767 transitions. [2021-11-13 18:19:04,425 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 4767 transitions. Word has length 18 [2021-11-13 18:19:04,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:19:04,426 INFO L470 AbstractCegarLoop]: Abstraction has 3174 states and 4767 transitions. [2021-11-13 18:19:04,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (5), 3 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:19:04,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 4767 transitions. [2021-11-13 18:19:04,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 18:19:04,446 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:19:04,446 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] [2021-11-13 18:19:04,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:04,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:19:04,668 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:19:04,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:19:04,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1297128986, now seen corresponding path program 1 times [2021-11-13 18:19:04,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:19:04,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814559147] [2021-11-13 18:19:04,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:19:04,670 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:19:04,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:19:04,672 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:19:04,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 18:19:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:05,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:19:05,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:19:06,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:19:06,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:19:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:19:06,429 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:19:06,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [814559147] [2021-11-13 18:19:06,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [814559147] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:19:06,430 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:19:06,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-13 18:19:06,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173839786] [2021-11-13 18:19:06,430 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:19:06,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:19:06,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:19:06,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:19:06,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:19:06,432 INFO L87 Difference]: Start difference. First operand 3174 states and 4767 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 18:19:08,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:10,487 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:12,495 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:24,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:19:24,550 INFO L93 Difference]: Finished difference Result 4337 states and 6516 transitions. [2021-11-13 18:19:24,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:19:24,550 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2021-11-13 18:19:24,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:19:24,589 INFO L225 Difference]: With dead ends: 4337 [2021-11-13 18:19:24,590 INFO L226 Difference]: Without dead ends: 4325 [2021-11-13 18:19:24,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:19:24,594 INFO L933 BasicCegarLoop]: 4191 mSDtfsCounter, 5244 mSDsluCounter, 3212 mSDsCounter, 0 mSdLazyCounter, 1845 mSolverCounterSat, 2160 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16368.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5244 SdHoareTripleChecker+Valid, 7403 SdHoareTripleChecker+Invalid, 4008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 55.01ms SdHoareTripleChecker+Time, 2160 IncrementalHoareTripleChecker+Valid, 1845 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17456.89ms IncrementalHoareTripleChecker+Time [2021-11-13 18:19:24,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5244 Valid, 7403 Invalid, 4008 Unknown, 0 Unchecked, 55.01ms Time], IncrementalHoareTripleChecker [2160 Valid, 1845 Invalid, 3 Unknown, 0 Unchecked, 17456.89ms Time] [2021-11-13 18:19:24,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4325 states. [2021-11-13 18:19:24,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4325 to 4305. [2021-11-13 18:19:24,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4305 states, 2986 states have (on average 1.391158740790355) internal successors, (4154), 3060 states have internal predecessors, (4154), 1136 states have call successors, (1136), 179 states have call predecessors, (1136), 182 states have return successors, (1185), 1113 states have call predecessors, (1185), 1120 states have call successors, (1185) [2021-11-13 18:19:25,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4305 states to 4305 states and 6475 transitions. [2021-11-13 18:19:25,045 INFO L78 Accepts]: Start accepts. Automaton has 4305 states and 6475 transitions. Word has length 30 [2021-11-13 18:19:25,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:19:25,047 INFO L470 AbstractCegarLoop]: Abstraction has 4305 states and 6475 transitions. [2021-11-13 18:19:25,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 18:19:25,050 INFO L276 IsEmpty]: Start isEmpty. Operand 4305 states and 6475 transitions. [2021-11-13 18:19:25,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 18:19:25,054 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:19:25,054 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] [2021-11-13 18:19:25,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:25,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:19:25,275 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:19:25,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:19:25,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1296852156, now seen corresponding path program 1 times [2021-11-13 18:19:25,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:19:25,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47221084] [2021-11-13 18:19:25,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:19:25,277 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:19:25,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:19:25,279 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:19:25,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 18:19:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:25,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:19:25,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:19:26,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:19:26,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:19:26,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:19:26,981 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:19:26,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47221084] [2021-11-13 18:19:26,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [47221084] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:19:26,982 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:19:26,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-13 18:19:26,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596440758] [2021-11-13 18:19:26,983 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:19:26,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 18:19:26,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:19:26,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 18:19:26,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:19:26,984 INFO L87 Difference]: Start difference. First operand 4305 states and 6475 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 18:19:29,033 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:31,039 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:33,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:39,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:19:39,658 INFO L93 Difference]: Finished difference Result 5034 states and 7543 transitions. [2021-11-13 18:19:39,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:19:39,659 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2021-11-13 18:19:39,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:19:39,706 INFO L225 Difference]: With dead ends: 5034 [2021-11-13 18:19:39,707 INFO L226 Difference]: Without dead ends: 5025 [2021-11-13 18:19:39,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:19:39,716 INFO L933 BasicCegarLoop]: 3113 mSDtfsCounter, 5671 mSDsluCounter, 1593 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 1086 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11586.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5694 SdHoareTripleChecker+Valid, 4706 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.18ms SdHoareTripleChecker+Time, 1086 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12295.65ms IncrementalHoareTripleChecker+Time [2021-11-13 18:19:39,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5694 Valid, 4706 Invalid, 2029 Unknown, 0 Unchecked, 26.18ms Time], IncrementalHoareTripleChecker [1086 Valid, 940 Invalid, 3 Unknown, 0 Unchecked, 12295.65ms Time] [2021-11-13 18:19:39,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5025 states. [2021-11-13 18:19:40,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5025 to 3953. [2021-11-13 18:19:40,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3953 states, 2720 states have (on average 1.3816176470588235) internal successors, (3758), 2783 states have internal predecessors, (3758), 1054 states have call successors, (1054), 177 states have call predecessors, (1054), 178 states have return successors, (1101), 1033 states have call predecessors, (1101), 1038 states have call successors, (1101) [2021-11-13 18:19:40,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3953 states to 3953 states and 5913 transitions. [2021-11-13 18:19:40,154 INFO L78 Accepts]: Start accepts. Automaton has 3953 states and 5913 transitions. Word has length 30 [2021-11-13 18:19:40,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:19:40,154 INFO L470 AbstractCegarLoop]: Abstraction has 3953 states and 5913 transitions. [2021-11-13 18:19:40,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 18:19:40,155 INFO L276 IsEmpty]: Start isEmpty. Operand 3953 states and 5913 transitions. [2021-11-13 18:19:40,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 18:19:40,157 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:19:40,157 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] [2021-11-13 18:19:40,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:40,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:19:40,379 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:19:40,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:19:40,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1111286939, now seen corresponding path program 1 times [2021-11-13 18:19:40,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:19:40,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073239286] [2021-11-13 18:19:40,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:19:40,381 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:19:40,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:19:40,382 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:19:40,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 18:19:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:41,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:19:41,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:19:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:19:41,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:19:42,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:19:42,079 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:19:42,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073239286] [2021-11-13 18:19:42,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073239286] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:19:42,080 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:19:42,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-13 18:19:42,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432563107] [2021-11-13 18:19:42,080 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:19:42,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 18:19:42,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:19:42,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 18:19:42,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:19:42,082 INFO L87 Difference]: Start difference. First operand 3953 states and 5913 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 18:19:44,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:46,138 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:48,145 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:19:58,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:19:58,201 INFO L93 Difference]: Finished difference Result 3983 states and 5946 transitions. [2021-11-13 18:19:58,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:19:58,202 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 31 [2021-11-13 18:19:58,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:19:58,228 INFO L225 Difference]: With dead ends: 3983 [2021-11-13 18:19:58,229 INFO L226 Difference]: Without dead ends: 3976 [2021-11-13 18:19:58,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:19:58,231 INFO L933 BasicCegarLoop]: 3112 mSDtfsCounter, 8188 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 2552 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14792.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8188 SdHoareTripleChecker+Valid, 6276 SdHoareTripleChecker+Invalid, 4365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.77ms SdHoareTripleChecker+Time, 2552 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15707.52ms IncrementalHoareTripleChecker+Time [2021-11-13 18:19:58,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8188 Valid, 6276 Invalid, 4365 Unknown, 0 Unchecked, 34.77ms Time], IncrementalHoareTripleChecker [2552 Valid, 1810 Invalid, 3 Unknown, 0 Unchecked, 15707.52ms Time] [2021-11-13 18:19:58,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3976 states. [2021-11-13 18:19:58,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3976 to 3953. [2021-11-13 18:19:58,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3953 states, 2720 states have (on average 1.38125) internal successors, (3757), 2783 states have internal predecessors, (3757), 1054 states have call successors, (1054), 177 states have call predecessors, (1054), 178 states have return successors, (1101), 1033 states have call predecessors, (1101), 1038 states have call successors, (1101) [2021-11-13 18:19:58,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3953 states to 3953 states and 5912 transitions. [2021-11-13 18:19:58,613 INFO L78 Accepts]: Start accepts. Automaton has 3953 states and 5912 transitions. Word has length 31 [2021-11-13 18:19:58,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:19:58,613 INFO L470 AbstractCegarLoop]: Abstraction has 3953 states and 5912 transitions. [2021-11-13 18:19:58,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 18:19:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 3953 states and 5912 transitions. [2021-11-13 18:19:58,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 18:19:58,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:19:58,617 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] [2021-11-13 18:19:58,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 18:19:58,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:19:58,835 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:19:58,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:19:58,836 INFO L85 PathProgramCache]: Analyzing trace with hash 888112273, now seen corresponding path program 1 times [2021-11-13 18:19:58,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:19:58,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [582901275] [2021-11-13 18:19:58,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:19:58,837 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:19:58,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:19:58,840 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:19:58,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 18:19:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:19:59,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 18:19:59,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:19:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:19:59,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:19:59,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:19:59,943 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:19:59,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [582901275] [2021-11-13 18:19:59,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [582901275] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:19:59,943 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:19:59,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 18:19:59,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817123978] [2021-11-13 18:19:59,944 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:19:59,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:19:59,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:19:59,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:19:59,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:19:59,946 INFO L87 Difference]: Start difference. First operand 3953 states and 5912 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:20:00,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:20:00,379 INFO L93 Difference]: Finished difference Result 6600 states and 9818 transitions. [2021-11-13 18:20:00,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:20:00,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-13 18:20:00,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:20:00,429 INFO L225 Difference]: With dead ends: 6600 [2021-11-13 18:20:00,430 INFO L226 Difference]: Without dead ends: 6206 [2021-11-13 18:20:00,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:20:00,436 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 2408 mSDsluCounter, 1802 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2408 SdHoareTripleChecker+Valid, 5479 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.30ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.86ms IncrementalHoareTripleChecker+Time [2021-11-13 18:20:00,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2408 Valid, 5479 Invalid, 16 Unknown, 0 Unchecked, 14.30ms Time], IncrementalHoareTripleChecker [8 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 83.86ms Time] [2021-11-13 18:20:00,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6206 states. [2021-11-13 18:20:01,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6206 to 6114. [2021-11-13 18:20:01,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6114 states, 4158 states have (on average 1.381914381914382) internal successors, (5746), 4263 states have internal predecessors, (5746), 1677 states have call successors, (1677), 273 states have call predecessors, (1677), 278 states have return successors, (1734), 1645 states have call predecessors, (1734), 1664 states have call successors, (1734) [2021-11-13 18:20:01,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6114 states to 6114 states and 9157 transitions. [2021-11-13 18:20:01,064 INFO L78 Accepts]: Start accepts. Automaton has 6114 states and 9157 transitions. Word has length 33 [2021-11-13 18:20:01,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:20:01,066 INFO L470 AbstractCegarLoop]: Abstraction has 6114 states and 9157 transitions. [2021-11-13 18:20:01,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:20:01,067 INFO L276 IsEmpty]: Start isEmpty. Operand 6114 states and 9157 transitions. [2021-11-13 18:20:01,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 18:20:01,069 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:20:01,069 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] [2021-11-13 18:20:01,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 18:20:01,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:20:01,289 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:20:01,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:20:01,290 INFO L85 PathProgramCache]: Analyzing trace with hash -185844879, now seen corresponding path program 1 times [2021-11-13 18:20:01,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:20:01,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002767864] [2021-11-13 18:20:01,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:20:01,291 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:20:01,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:20:01,292 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:20:01,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 18:20:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:20:07,510 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:20:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:20:11,777 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-13 18:20:11,777 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 18:20:11,778 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 18:20:11,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 18:20:12,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:20:12,007 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:20:12,010 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:20:12,130 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 18:20:12,133 INFO L158 Benchmark]: Toolchain (without parser) took 133684.79ms. Allocated memory was 54.5MB in the beginning and 362.8MB in the end (delta: 308.3MB). Free memory was 34.1MB in the beginning and 109.9MB in the end (delta: -75.8MB). Peak memory consumption was 231.7MB. Max. memory is 16.1GB. [2021-11-13 18:20:12,134 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 54.5MB. Free memory was 36.0MB in the beginning and 35.9MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:20:12,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3164.02ms. Allocated memory was 54.5MB in the beginning and 121.6MB in the end (delta: 67.1MB). Free memory was 33.8MB in the beginning and 70.7MB in the end (delta: -36.9MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2021-11-13 18:20:12,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 430.70ms. Allocated memory is still 121.6MB. Free memory was 70.7MB in the beginning and 45.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-13 18:20:12,135 INFO L158 Benchmark]: Boogie Preprocessor took 442.58ms. Allocated memory is still 121.6MB. Free memory was 45.6MB in the beginning and 45.2MB in the end (delta: 337.1kB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-11-13 18:20:12,136 INFO L158 Benchmark]: RCFGBuilder took 47047.85ms. Allocated memory was 121.6MB in the beginning and 362.8MB in the end (delta: 241.2MB). Free memory was 45.2MB in the beginning and 274.8MB in the end (delta: -229.6MB). Peak memory consumption was 188.4MB. Max. memory is 16.1GB. [2021-11-13 18:20:12,136 INFO L158 Benchmark]: TraceAbstraction took 82590.46ms. Allocated memory is still 362.8MB. Free memory was 274.8MB in the beginning and 109.9MB in the end (delta: 164.9MB). Peak memory consumption was 163.9MB. Max. memory is 16.1GB. [2021-11-13 18:20:12,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73ms. Allocated memory is still 54.5MB. Free memory was 36.0MB in the beginning and 35.9MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3164.02ms. Allocated memory was 54.5MB in the beginning and 121.6MB in the end (delta: 67.1MB). Free memory was 33.8MB in the beginning and 70.7MB in the end (delta: -36.9MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 430.70ms. Allocated memory is still 121.6MB. Free memory was 70.7MB in the beginning and 45.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 442.58ms. Allocated memory is still 121.6MB. Free memory was 45.6MB in the beginning and 45.2MB in the end (delta: 337.1kB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * RCFGBuilder took 47047.85ms. Allocated memory was 121.6MB in the beginning and 362.8MB in the end (delta: 241.2MB). Free memory was 45.2MB in the beginning and 274.8MB in the end (delta: -229.6MB). Peak memory consumption was 188.4MB. Max. memory is 16.1GB. * TraceAbstraction took 82590.46ms. Allocated memory is still 362.8MB. Free memory was 274.8MB in the beginning and 109.9MB in the end (delta: 164.9MB). Peak memory consumption was 163.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 18:20:12,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c161a33-1976-4088-b3d1-d644db3a1876/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null