./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:09:24,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:09:24,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:09:24,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:09:24,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:09:24,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:09:24,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:09:24,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:09:24,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:09:24,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:09:24,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:09:24,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:09:24,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:09:24,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:09:24,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:09:24,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:09:24,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:09:24,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:09:24,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:09:24,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:09:24,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:09:24,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:09:24,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:09:24,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:09:24,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:09:24,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:09:24,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:09:24,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:09:24,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:09:24,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:09:24,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:09:24,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:09:24,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:09:24,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:09:24,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:09:24,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:09:24,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:09:24,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:09:24,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:09:24,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:09:24,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:09:24,586 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-09 09:09:24,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:09:24,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:09:24,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:09:24,637 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:09:24,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:09:24,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:09:24,639 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:09:24,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:09:24,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:09:24,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:09:24,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 09:09:24,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:09:24,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 09:09:24,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:09:24,643 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:09:24,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 09:09:24,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:09:24,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:09:24,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:09:24,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:09:24,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:09:24,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:09:24,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 09:09:24,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:09:24,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 09:09:24,646 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 09:09:24,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 09:09:24,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 09:09:24,647 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:09:24,647 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_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e81fc6166b432b951460f7a3a0e3bbe6d1e1e00a7297f549296af2cd8a39c75 [2021-11-09 09:09:24,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:09:24,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:09:24,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:09:24,957 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:09:24,958 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:09:24,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-11-09 09:09:25,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX/data/d6f033928/d16fe703b5404214b49e78b3a6c78231/FLAG7ac0b5273 [2021-11-09 09:09:26,052 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:09:26,053 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-11-09 09:09:26,123 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX/data/d6f033928/d16fe703b5404214b49e78b3a6c78231/FLAG7ac0b5273 [2021-11-09 09:09:26,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX/data/d6f033928/d16fe703b5404214b49e78b3a6c78231 [2021-11-09 09:09:26,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:09:26,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:09:26,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:09:26,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:09:26,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:09:26,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:09:26" (1/1) ... [2021-11-09 09:09:26,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b663072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:26, skipping insertion in model container [2021-11-09 09:09:26,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:09:26" (1/1) ... [2021-11-09 09:09:26,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:09:26,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:09:30,551 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_a68d609b-b3b0-402f-8cb1-fc828d4285c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2021-11-09 09:09:30,554 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_a68d609b-b3b0-402f-8cb1-fc828d4285c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2021-11-09 09:09:30,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:09:30,612 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:09:31,772 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_a68d609b-b3b0-402f-8cb1-fc828d4285c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395259,395272] [2021-11-09 09:09:31,773 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_a68d609b-b3b0-402f-8cb1-fc828d4285c5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i[395404,395417] [2021-11-09 09:09:31,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:09:32,076 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:09:32,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:32 WrapperNode [2021-11-09 09:09:32,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:09:32,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:09:32,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:09:32,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:09:32,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:32" (1/1) ... [2021-11-09 09:09:32,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:32" (1/1) ... [2021-11-09 09:09:43,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:09:43,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:09:43,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:09:43,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:09:43,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:32" (1/1) ... [2021-11-09 09:09:43,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:32" (1/1) ... [2021-11-09 09:09:45,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:32" (1/1) ... [2021-11-09 09:09:45,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:32" (1/1) ... [2021-11-09 09:09:48,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:32" (1/1) ... [2021-11-09 09:09:48,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:32" (1/1) ... [2021-11-09 09:09:48,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:32" (1/1) ... [2021-11-09 09:09:50,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:09:50,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:09:50,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:09:50,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:09:50,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:32" (1/1) ... [2021-11-09 09:09:50,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:09:50,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:09:50,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 09:09:50,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a68d609b-b3b0-402f-8cb1-fc828d4285c5/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 09:09:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2021-11-09 09:09:50,609 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2021-11-09 09:09:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2021-11-09 09:09:50,610 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2021-11-09 09:09:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 09:09:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-09 09:09:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-09 09:09:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 09:09:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2021-11-09 09:09:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2021-11-09 09:09:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 09:09:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-09 09:09:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-09 09:09:50,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-09 09:09:50,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:09:50,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:09:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-09 09:09:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-09 09:09:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:09:50,613 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2021-11-09 09:09:50,614 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2021-11-09 09:09:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-09 09:09:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-09 09:09:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 09:09:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:09:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-09 09:09:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-09 09:11:25,528 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2021-11-09 09:11:25,529 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2021-11-09 09:11:25,529 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res := 0; [2021-11-09 09:11:25,529 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res := 0; [2021-11-09 09:11:25,529 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res := 0; [2021-11-09 09:11:25,530 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#5: ldv_switch_2_#res := 0; [2021-11-09 09:11:25,530 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#6: ldv_switch_2_#res := 0; [2021-11-09 09:11:25,530 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#7: ldv_switch_2_#res := 0; [2021-11-09 09:11:25,530 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#8: ldv_switch_2_#res := 0; [2021-11-09 09:11:25,531 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2021-11-09 09:11:25,531 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break: ldv_switch_2_#res := 0; [2021-11-09 09:11:25,541 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-09 09:11:25,542 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2021-11-09 09:11:25,544 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint lmc_trace_returnLabel#14: havoc lmc_proto_type_#t~mem1372.base, lmc_proto_type_#t~mem1372.offset; [2021-11-09 09:11:25,544 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint lmc_trace_returnLabel#10: havoc lmc_proto_type_#t~mem1372.base, lmc_proto_type_#t~mem1372.offset; [2021-11-09 09:11:25,659 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:11:25,660 INFO L299 CfgBuilder]: Removed 40644 assume(true) statements. [2021-11-09 09:11:25,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:11:25 BoogieIcfgContainer [2021-11-09 09:11:25,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:11:25,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:11:25,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:11:25,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:11:25,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:09:26" (1/3) ... [2021-11-09 09:11:25,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f984c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:11:25, skipping insertion in model container [2021-11-09 09:11:25,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:09:32" (2/3) ... [2021-11-09 09:11:25,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f984c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:11:25, skipping insertion in model container [2021-11-09 09:11:25,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:11:25" (3/3) ... [2021-11-09 09:11:25,697 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-11-09 09:11:25,703 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:11:25,703 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2021-11-09 09:11:25,874 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:11:25,881 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 [2021-11-09 09:11:25,881 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-11-09 09:11:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 31582 states, 31532 states have (on average 1.2500317138145376) internal successors, (39416), 31548 states have internal predecessors, (39416), 31 states have call successors, (31), 6 states have call predecessors, (31), 6 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2021-11-09 09:11:26,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-09 09:11:26,390 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:11:26,391 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:11:26,392 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [lmc_running_resetErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-09 09:11:26,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:11:26,398 INFO L85 PathProgramCache]: Analyzing trace with hash 398559688, now seen corresponding path program 1 times [2021-11-09 09:11:26,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:11:26,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15160165] [2021-11-09 09:11:26,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:11:26,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:11:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:11:27,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:11:27,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:11:27,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15160165] [2021-11-09 09:11:27,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15160165] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:11:27,776 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:11:27,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:11:27,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877214314] [2021-11-09 09:11:27,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:11:27,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:11:27,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:11:27,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:11:27,861 INFO L87 Difference]: Start difference. First operand has 31582 states, 31532 states have (on average 1.2500317138145376) internal successors, (39416), 31548 states have internal predecessors, (39416), 31 states have call successors, (31), 6 states have call predecessors, (31), 6 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:11:33,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:11:33,712 INFO L93 Difference]: Finished difference Result 88699 states and 110945 transitions. [2021-11-09 09:11:33,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:11:33,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-11-09 09:11:33,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:11:34,590 INFO L225 Difference]: With dead ends: 88699 [2021-11-09 09:11:34,591 INFO L226 Difference]: Without dead ends: 56933 [2021-11-09 09:11:34,779 INFO L786 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 [2021-11-09 09:11:34,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56933 states. [2021-11-09 09:11:37,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56933 to 56911. [2021-11-09 09:11:37,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56911 states, 56832 states have (on average 1.2471846846846846) internal successors, (70880), 56852 states have internal predecessors, (70880), 54 states have call successors, (54), 12 states have call predecessors, (54), 12 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2021-11-09 09:11:37,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56911 states to 56911 states and 70988 transitions. [2021-11-09 09:11:37,913 INFO L78 Accepts]: Start accepts. Automaton has 56911 states and 70988 transitions. Word has length 82 [2021-11-09 09:11:37,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:11:37,918 INFO L470 AbstractCegarLoop]: Abstraction has 56911 states and 70988 transitions. [2021-11-09 09:11:37,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:11:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 56911 states and 70988 transitions. [2021-11-09 09:11:37,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-09 09:11:37,987 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:11:37,987 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:11:37,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 09:11:37,988 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [lmc_running_resetErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-09 09:11:37,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:11:37,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1038599362, now seen corresponding path program 1 times [2021-11-09 09:11:37,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:11:37,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262193497] [2021-11-09 09:11:37,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:11:37,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:11:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:11:38,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:11:38,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:11:38,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262193497] [2021-11-09 09:11:38,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262193497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:11:38,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:11:38,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:11:38,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348349144] [2021-11-09 09:11:38,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:11:38,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:11:38,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:11:38,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:11:38,758 INFO L87 Difference]: Start difference. First operand 56911 states and 70988 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:11:46,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:11:46,567 INFO L93 Difference]: Finished difference Result 169838 states and 211814 transitions. [2021-11-09 09:11:46,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:11:46,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-11-09 09:11:46,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:11:47,294 INFO L225 Difference]: With dead ends: 169838 [2021-11-09 09:11:47,295 INFO L226 Difference]: Without dead ends: 113051 [2021-11-09 09:11:47,543 INFO L786 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 [2021-11-09 09:11:47,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113051 states. [2021-11-09 09:11:52,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113051 to 112979. [2021-11-09 09:11:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112979 states, 112838 states have (on average 1.2468228788174196) internal successors, (140689), 112862 states have internal predecessors, (140689), 104 states have call successors, (104), 24 states have call predecessors, (104), 24 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2021-11-09 09:11:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112979 states to 112979 states and 140897 transitions. [2021-11-09 09:11:53,242 INFO L78 Accepts]: Start accepts. Automaton has 112979 states and 140897 transitions. Word has length 100 [2021-11-09 09:11:53,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:11:53,246 INFO L470 AbstractCegarLoop]: Abstraction has 112979 states and 140897 transitions. [2021-11-09 09:11:53,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:11:53,247 INFO L276 IsEmpty]: Start isEmpty. Operand 112979 states and 140897 transitions. [2021-11-09 09:11:53,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-09 09:11:53,308 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:11:53,308 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:11:53,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 09:11:53,309 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [lmc_running_resetErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-09 09:11:53,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:11:53,309 INFO L85 PathProgramCache]: Analyzing trace with hash 99742409, now seen corresponding path program 1 times [2021-11-09 09:11:53,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:11:53,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948581618] [2021-11-09 09:11:53,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:11:53,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:11:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:11:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:11:54,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:11:54,085 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948581618] [2021-11-09 09:11:54,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948581618] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:11:54,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:11:54,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:11:54,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052765829] [2021-11-09 09:11:54,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:11:54,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:11:54,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:11:54,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:11:54,090 INFO L87 Difference]: Start difference. First operand 112979 states and 140897 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:12:02,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-09 09:12:02,371 INFO L93 Difference]: Finished difference Result 323543 states and 403886 transitions. [2021-11-09 09:12:02,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 09:12:02,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2021-11-09 09:12:02,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-09 09:12:03,835 INFO L225 Difference]: With dead ends: 323543 [2021-11-09 09:12:03,836 INFO L226 Difference]: Without dead ends: 210688 [2021-11-09 09:12:04,369 INFO L786 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 [2021-11-09 09:12:04,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210688 states. [2021-11-09 09:12:11,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210688 to 209262. [2021-11-09 09:12:12,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209262 states, 209013 states have (on average 1.2484199547396573) internal successors, (260936), 209049 states have internal predecessors, (260936), 188 states have call successors, (188), 48 states have call predecessors, (188), 48 states have return successors, (242), 188 states have call predecessors, (242), 188 states have call successors, (242) [2021-11-09 09:12:13,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209262 states to 209262 states and 261366 transitions. [2021-11-09 09:12:13,220 INFO L78 Accepts]: Start accepts. Automaton has 209262 states and 261366 transitions. Word has length 104 [2021-11-09 09:12:13,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-09 09:12:13,221 INFO L470 AbstractCegarLoop]: Abstraction has 209262 states and 261366 transitions. [2021-11-09 09:12:13,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:12:13,222 INFO L276 IsEmpty]: Start isEmpty. Operand 209262 states and 261366 transitions. [2021-11-09 09:12:13,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-09 09:12:13,821 INFO L505 BasicCegarLoop]: Found error trace [2021-11-09 09:12:13,821 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:12:13,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 09:12:13,822 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [lmc_running_resetErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-09 09:12:13,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:12:13,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1735980700, now seen corresponding path program 1 times [2021-11-09 09:12:13,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:12:13,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306117288] [2021-11-09 09:12:13,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:12:13,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:12:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:12:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:12:14,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:12:14,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306117288] [2021-11-09 09:12:14,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306117288] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:12:14,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:12:14,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 09:12:14,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368631251] [2021-11-09 09:12:14,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 09:12:14,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:12:14,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 09:12:14,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 09:12:14,310 INFO L87 Difference]: Start difference. First operand 209262 states and 261366 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)