./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro --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 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 18:27:06,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:27:06,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:27:06,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:27:06,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:27:06,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:27:06,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:27:06,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:27:06,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:27:06,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:27:06,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:27:06,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:27:06,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:27:06,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:27:06,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:27:06,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:27:06,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:27:06,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:27:06,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:27:06,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:27:06,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:27:06,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:27:06,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:27:06,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:27:06,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:27:06,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:27:06,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:27:06,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:27:06,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:27:06,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:27:06,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:27:06,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:27:06,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:27:06,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:27:06,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:27:06,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:27:06,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:27:06,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:27:06,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:27:06,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:27:06,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:27:06,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 18:27:06,170 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:27:06,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:27:06,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:27:06,175 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:27:06,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:27:06,176 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:27:06,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:27:06,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:27:06,177 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:27:06,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:27:06,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:27:06,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:27:06,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:27:06,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:27:06,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:27:06,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:27:06,180 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:27:06,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:27:06,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:27:06,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:27:06,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:27:06,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:27:06,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:27:06,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:27:06,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:27:06,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:27:06,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:27:06,184 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:27:06,184 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:27:06,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:27:06,185 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_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00e024fc1f0b82ae7f67f2e1fbd5ae99cfcf89e3f63aef822e2243882f82daf0 [2022-11-18 18:27:06,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:27:06,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:27:06,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:27:06,564 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:27:06,565 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:27:06,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2022-11-18 18:27:06,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/data/3ed404a5d/ca279d3b70d14bd89498401bb64d38cc/FLAG4d0718659 [2022-11-18 18:27:07,404 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:27:07,404 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2022-11-18 18:27:07,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/data/3ed404a5d/ca279d3b70d14bd89498401bb64d38cc/FLAG4d0718659 [2022-11-18 18:27:07,547 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/data/3ed404a5d/ca279d3b70d14bd89498401bb64d38cc [2022-11-18 18:27:07,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:27:07,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:27:07,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:27:07,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:27:07,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:27:07,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:27:07" (1/1) ... [2022-11-18 18:27:07,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17346bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:07, skipping insertion in model container [2022-11-18 18:27:07,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:27:07" (1/1) ... [2022-11-18 18:27:07,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:27:07,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:27:08,307 WARN L234 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_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2022-11-18 18:27:08,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:27:08,393 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:27:08,574 WARN L234 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_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i[87203,87216] [2022-11-18 18:27:08,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:27:08,635 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:27:08,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:08 WrapperNode [2022-11-18 18:27:08,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:27:08,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:27:08,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:27:08,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:27:08,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:08" (1/1) ... [2022-11-18 18:27:08,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:08" (1/1) ... [2022-11-18 18:27:08,747 INFO L138 Inliner]: procedures = 77, calls = 167, calls flagged for inlining = 31, calls inlined = 27, statements flattened = 443 [2022-11-18 18:27:08,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:27:08,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:27:08,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:27:08,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:27:08,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:08" (1/1) ... [2022-11-18 18:27:08,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:08" (1/1) ... [2022-11-18 18:27:08,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:08" (1/1) ... [2022-11-18 18:27:08,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:08" (1/1) ... [2022-11-18 18:27:08,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:08" (1/1) ... [2022-11-18 18:27:08,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:08" (1/1) ... [2022-11-18 18:27:08,831 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:08" (1/1) ... [2022-11-18 18:27:08,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:08" (1/1) ... [2022-11-18 18:27:08,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:27:08,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:27:08,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:27:08,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:27:08,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:08" (1/1) ... [2022-11-18 18:27:08,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:27:08,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:27:08,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:27:08,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:27:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:27:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 18:27:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:27:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 18:27:08,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 18:27:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:27:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 18:27:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure do_map_probe [2022-11-18 18:27:08,937 INFO L138 BoogieDeclarations]: Found implementation of procedure do_map_probe [2022-11-18 18:27:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 18:27:08,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 18:27:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2022-11-18 18:27:08,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2022-11-18 18:27:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:27:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-18 18:27:08,938 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-18 18:27:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 18:27:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:27:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 18:27:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 18:27:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-18 18:27:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-18 18:27:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 18:27:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 18:27:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-18 18:27:08,940 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-18 18:27:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:27:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 18:27:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-11-18 18:27:08,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-11-18 18:27:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:27:08,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:27:09,295 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:27:09,297 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:27:09,428 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 18:27:09,910 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:27:09,919 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:27:09,919 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 18:27:09,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:27:09 BoogieIcfgContainer [2022-11-18 18:27:09,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:27:09,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:27:09,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:27:09,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:27:09,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:27:07" (1/3) ... [2022-11-18 18:27:09,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f13255e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:27:09, skipping insertion in model container [2022-11-18 18:27:09,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:27:08" (2/3) ... [2022-11-18 18:27:09,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f13255e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:27:09, skipping insertion in model container [2022-11-18 18:27:09,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:27:09" (3/3) ... [2022-11-18 18:27:09,944 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--maps--l440gx.ko-entry_point.cil.out.i [2022-11-18 18:27:09,978 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:27:09,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:27:10,031 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:27:10,038 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2e4673de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:27:10,038 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:27:10,048 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 95 states have (on average 1.2421052631578948) internal successors, (118), 99 states have internal predecessors, (118), 24 states have call successors, (24), 10 states have call predecessors, (24), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-18 18:27:10,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-18 18:27:10,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:27:10,068 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:10,069 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:27:10,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:10,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1680540957, now seen corresponding path program 1 times [2022-11-18 18:27:10,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:10,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436770029] [2022-11-18 18:27:10,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:10,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:10,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 18:27:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:10,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:10,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:10,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436770029] [2022-11-18 18:27:10,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436770029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:10,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:10,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:27:10,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937822402] [2022-11-18 18:27:10,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:10,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:27:10,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:10,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:27:10,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:27:10,548 INFO L87 Difference]: Start difference. First operand has 130 states, 95 states have (on average 1.2421052631578948) internal successors, (118), 99 states have internal predecessors, (118), 24 states have call successors, (24), 10 states have call predecessors, (24), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 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) [2022-11-18 18:27:10,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:27:10,688 INFO L93 Difference]: Finished difference Result 273 states and 358 transitions. [2022-11-18 18:27:10,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:27:10,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 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 20 [2022-11-18 18:27:10,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:27:10,701 INFO L225 Difference]: With dead ends: 273 [2022-11-18 18:27:10,701 INFO L226 Difference]: Without dead ends: 136 [2022-11-18 18:27:10,705 INFO L412 NwaCegarLoop]: 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 [2022-11-18 18:27:10,726 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 134 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:27:10,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 194 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:27:10,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-11-18 18:27:10,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2022-11-18 18:27:10,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 104 states have (on average 1.2115384615384615) internal successors, (126), 104 states have internal predecessors, (126), 22 states have call successors, (22), 10 states have call predecessors, (22), 9 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-11-18 18:27:10,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 169 transitions. [2022-11-18 18:27:10,797 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 169 transitions. Word has length 20 [2022-11-18 18:27:10,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:27:10,797 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 169 transitions. [2022-11-18 18:27:10,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 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) [2022-11-18 18:27:10,798 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 169 transitions. [2022-11-18 18:27:10,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-18 18:27:10,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:27:10,800 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:10,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:27:10,801 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:27:10,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:10,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1835050372, now seen corresponding path program 1 times [2022-11-18 18:27:10,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:10,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671572268] [2022-11-18 18:27:10,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:10,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:10,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 18:27:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:11,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:27:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:11,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:27:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:11,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:27:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:11,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 18:27:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:11,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 18:27:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:11,037 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:27:11,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:11,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671572268] [2022-11-18 18:27:11,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671572268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:11,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:11,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:27:11,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094272696] [2022-11-18 18:27:11,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:11,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:27:11,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:11,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:27:11,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:27:11,041 INFO L87 Difference]: Start difference. First operand 136 states and 169 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 18:27:11,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:27:11,290 INFO L93 Difference]: Finished difference Result 154 states and 189 transitions. [2022-11-18 18:27:11,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:27:11,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2022-11-18 18:27:11,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:27:11,300 INFO L225 Difference]: With dead ends: 154 [2022-11-18 18:27:11,300 INFO L226 Difference]: Without dead ends: 149 [2022-11-18 18:27:11,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:27:11,308 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 156 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:27:11,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 228 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 18:27:11,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-11-18 18:27:11,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 136. [2022-11-18 18:27:11,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 104 states have (on average 1.2019230769230769) internal successors, (125), 104 states have internal predecessors, (125), 22 states have call successors, (22), 10 states have call predecessors, (22), 9 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-11-18 18:27:11,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 168 transitions. [2022-11-18 18:27:11,339 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 168 transitions. Word has length 48 [2022-11-18 18:27:11,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:27:11,340 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 168 transitions. [2022-11-18 18:27:11,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-18 18:27:11,341 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 168 transitions. [2022-11-18 18:27:11,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-18 18:27:11,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:27:11,344 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:11,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:27:11,344 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:27:11,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:11,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1777792070, now seen corresponding path program 1 times [2022-11-18 18:27:11,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:27:11,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241133633] [2022-11-18 18:27:11,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:11,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:27:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:11,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 18:27:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:11,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:27:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:27:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:11,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 18:27:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:11,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 18:27:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:11,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 18:27:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:11,513 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 18:27:11,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:27:11,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241133633] [2022-11-18 18:27:11,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241133633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:11,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:11,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:27:11,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050224209] [2022-11-18 18:27:11,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:11,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:27:11,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:27:11,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:27:11,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:27:11,517 INFO L87 Difference]: Start difference. First operand 136 states and 168 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 18:27:11,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:27:11,671 INFO L93 Difference]: Finished difference Result 144 states and 180 transitions. [2022-11-18 18:27:11,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:27:11,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2022-11-18 18:27:11,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:27:11,673 INFO L225 Difference]: With dead ends: 144 [2022-11-18 18:27:11,673 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 18:27:11,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:27:11,675 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 138 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:27:11,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 219 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:27:11,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 18:27:11,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 18:27:11,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-18 18:27:11,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 18:27:11,677 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2022-11-18 18:27:11,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:27:11,677 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 18:27:11,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 18:27:11,678 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 18:27:11,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 18:27:11,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 18:27:11,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:27:11,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 18:27:12,215 INFO L899 garLoopResultBuilder]: For program point iounmapEXIT(lines 3207 3209) no Hoare annotation was computed. [2022-11-18 18:27:12,215 INFO L902 garLoopResultBuilder]: At program point iounmapENTRY(lines 3207 3209) the Hoare annotation is: true [2022-11-18 18:27:12,216 INFO L899 garLoopResultBuilder]: For program point iounmapFINAL(lines 3207 3209) no Hoare annotation was computed. [2022-11-18 18:27:12,216 INFO L899 garLoopResultBuilder]: For program point L3202-1(line 3202) no Hoare annotation was computed. [2022-11-18 18:27:12,216 INFO L899 garLoopResultBuilder]: For program point do_map_probeEXIT(lines 3201 3203) no Hoare annotation was computed. [2022-11-18 18:27:12,216 INFO L895 garLoopResultBuilder]: At program point do_map_probeENTRY(lines 3201 3203) the Hoare annotation is: (or (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_retval_0~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-18 18:27:12,217 INFO L895 garLoopResultBuilder]: At program point L3202(line 3202) the Hoare annotation is: (or (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_retval_0~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-18 18:27:12,217 INFO L899 garLoopResultBuilder]: For program point do_map_probeFINAL(lines 3201 3203) no Hoare annotation was computed. [2022-11-18 18:27:12,217 INFO L899 garLoopResultBuilder]: For program point inlEXIT(lines 2761 2768) no Hoare annotation was computed. [2022-11-18 18:27:12,217 INFO L902 garLoopResultBuilder]: At program point inlENTRY(lines 2761 2768) the Hoare annotation is: true [2022-11-18 18:27:12,217 INFO L899 garLoopResultBuilder]: For program point inlFINAL(lines 2761 2768) no Hoare annotation was computed. [2022-11-18 18:27:12,218 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 2774 2776) the Hoare annotation is: true [2022-11-18 18:27:12,218 INFO L899 garLoopResultBuilder]: For program point L2775(line 2775) no Hoare annotation was computed. [2022-11-18 18:27:12,218 INFO L899 garLoopResultBuilder]: For program point L2775-2(lines 2774 2776) no Hoare annotation was computed. [2022-11-18 18:27:12,218 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 2774 2776) no Hoare annotation was computed. [2022-11-18 18:27:12,218 INFO L902 garLoopResultBuilder]: At program point outlENTRY(lines 2754 2760) the Hoare annotation is: true [2022-11-18 18:27:12,218 INFO L899 garLoopResultBuilder]: For program point outlEXIT(lines 2754 2760) no Hoare annotation was computed. [2022-11-18 18:27:12,219 INFO L899 garLoopResultBuilder]: For program point outlFINAL(lines 2754 2760) no Hoare annotation was computed. [2022-11-18 18:27:12,219 INFO L899 garLoopResultBuilder]: For program point L2784(lines 2784 2791) no Hoare annotation was computed. [2022-11-18 18:27:12,219 INFO L895 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 2777 2793) the Hoare annotation is: (or (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_retval_0~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-18 18:27:12,219 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 2777 2793) no Hoare annotation was computed. [2022-11-18 18:27:12,219 INFO L899 garLoopResultBuilder]: For program point L2789-1(line 2789) no Hoare annotation was computed. [2022-11-18 18:27:12,220 INFO L902 garLoopResultBuilder]: At program point L2789(line 2789) the Hoare annotation is: true [2022-11-18 18:27:12,220 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 2777 2793) no Hoare annotation was computed. [2022-11-18 18:27:12,220 INFO L899 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 3085 3091) no Hoare annotation was computed. [2022-11-18 18:27:12,220 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 3085 3091) the Hoare annotation is: true [2022-11-18 18:27:12,220 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3089) no Hoare annotation was computed. [2022-11-18 18:27:12,221 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 3085 3091) no Hoare annotation was computed. [2022-11-18 18:27:12,221 INFO L895 garLoopResultBuilder]: At program point L3248(line 3248) the Hoare annotation is: (or (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_retval_0~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-18 18:27:12,221 INFO L899 garLoopResultBuilder]: For program point pci_get_deviceEXIT(lines 3247 3249) no Hoare annotation was computed. [2022-11-18 18:27:12,221 INFO L899 garLoopResultBuilder]: For program point L3248-1(line 3248) no Hoare annotation was computed. [2022-11-18 18:27:12,221 INFO L895 garLoopResultBuilder]: At program point pci_get_deviceENTRY(lines 3247 3249) the Hoare annotation is: (or (not (= ~ldv_module_refcounter~0 1)) (not (= ~ldv_retval_0~0 0)) (not (= ~ldv_state_variable_0~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2022-11-18 18:27:12,222 INFO L899 garLoopResultBuilder]: For program point pci_get_deviceFINAL(lines 3247 3249) no Hoare annotation was computed. [2022-11-18 18:27:12,222 INFO L902 garLoopResultBuilder]: At program point pci_dev_putENTRY(lines 3244 3246) the Hoare annotation is: true [2022-11-18 18:27:12,222 INFO L899 garLoopResultBuilder]: For program point pci_dev_putEXIT(lines 3244 3246) no Hoare annotation was computed. [2022-11-18 18:27:12,222 INFO L899 garLoopResultBuilder]: For program point pci_dev_putFINAL(lines 3244 3246) no Hoare annotation was computed. [2022-11-18 18:27:12,222 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 2846 2852) no Hoare annotation was computed. [2022-11-18 18:27:12,222 INFO L902 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 2846 2852) the Hoare annotation is: true [2022-11-18 18:27:12,223 INFO L899 garLoopResultBuilder]: For program point L3041(lines 3041 3072) no Hoare annotation was computed. [2022-11-18 18:27:12,223 INFO L902 garLoopResultBuilder]: At program point L3075(line 3075) the Hoare annotation is: true [2022-11-18 18:27:12,223 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 18:27:12,223 INFO L895 garLoopResultBuilder]: At program point L2877(lines 2871 2879) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,223 INFO L899 garLoopResultBuilder]: For program point L3043(lines 3043 3069) no Hoare annotation was computed. [2022-11-18 18:27:12,224 INFO L899 garLoopResultBuilder]: For program point L2961(lines 2961 2966) no Hoare annotation was computed. [2022-11-18 18:27:12,224 INFO L895 garLoopResultBuilder]: At program point L2895(lines 2889 2897) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,224 INFO L895 garLoopResultBuilder]: At program point L3242(lines 3241 3243) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,224 INFO L899 garLoopResultBuilder]: For program point L3044(line 3044) no Hoare annotation was computed. [2022-11-18 18:27:12,224 INFO L895 garLoopResultBuilder]: At program point L3077(lines 3033 3082) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,226 INFO L895 garLoopResultBuilder]: At program point L3226(lines 3225 3227) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,226 INFO L895 garLoopResultBuilder]: At program point L3061(lines 3033 3082) the Hoare annotation is: (= ~ldv_module_refcounter~0 1) [2022-11-18 18:27:12,226 INFO L899 garLoopResultBuilder]: For program point L2929(lines 2929 2933) no Hoare annotation was computed. [2022-11-18 18:27:12,226 INFO L899 garLoopResultBuilder]: For program point L2929-2(lines 2920 2934) no Hoare annotation was computed. [2022-11-18 18:27:12,227 INFO L899 garLoopResultBuilder]: For program point L3045(lines 3045 3050) no Hoare annotation was computed. [2022-11-18 18:27:12,227 INFO L899 garLoopResultBuilder]: For program point L2979-1(line 2979) no Hoare annotation was computed. [2022-11-18 18:27:12,227 INFO L895 garLoopResultBuilder]: At program point L2979(line 2979) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,227 INFO L899 garLoopResultBuilder]: For program point L2963-1(line 2963) no Hoare annotation was computed. [2022-11-18 18:27:12,228 INFO L895 garLoopResultBuilder]: At program point L2930(line 2930) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,228 INFO L895 garLoopResultBuilder]: At program point L2963(line 2963) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,228 INFO L899 garLoopResultBuilder]: For program point L2930-1(line 2930) no Hoare annotation was computed. [2022-11-18 18:27:12,229 INFO L895 garLoopResultBuilder]: At program point L3211(lines 3210 3212) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,229 INFO L899 garLoopResultBuilder]: For program point L3013-1(line 3013) no Hoare annotation was computed. [2022-11-18 18:27:12,229 INFO L895 garLoopResultBuilder]: At program point L3013(line 3013) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,229 INFO L899 garLoopResultBuilder]: For program point L2931-1(line 2931) no Hoare annotation was computed. [2022-11-18 18:27:12,230 INFO L895 garLoopResultBuilder]: At program point L2931(line 2931) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,231 INFO L895 garLoopResultBuilder]: At program point L3014(lines 2942 3016) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,231 INFO L899 garLoopResultBuilder]: For program point L2981(lines 2981 2988) no Hoare annotation was computed. [2022-11-18 18:27:12,232 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 18:27:12,232 INFO L895 garLoopResultBuilder]: At program point L3196(lines 3195 3197) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,234 INFO L895 garLoopResultBuilder]: At program point L2734(lines 2730 2736) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,235 INFO L902 garLoopResultBuilder]: At program point L3081(lines 3029 3083) the Hoare annotation is: true [2022-11-18 18:27:12,235 INFO L895 garLoopResultBuilder]: At program point L2982(line 2982) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,235 INFO L895 garLoopResultBuilder]: At program point L2982-1(line 2982) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,236 INFO L895 garLoopResultBuilder]: At program point L3230(lines 3229 3231) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,236 INFO L895 garLoopResultBuilder]: At program point L2751(lines 2746 2753) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,236 INFO L895 garLoopResultBuilder]: At program point L3214(lines 3213 3215) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,237 INFO L899 garLoopResultBuilder]: For program point L2983(line 2983) no Hoare annotation was computed. [2022-11-18 18:27:12,238 INFO L895 garLoopResultBuilder]: At program point L3000(line 3000) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,238 INFO L899 garLoopResultBuilder]: For program point L3000-1(line 3000) no Hoare annotation was computed. [2022-11-18 18:27:12,238 INFO L895 garLoopResultBuilder]: At program point L2868(lines 2862 2870) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,238 INFO L899 garLoopResultBuilder]: For program point L2951-1(line 2951) no Hoare annotation was computed. [2022-11-18 18:27:12,238 INFO L895 garLoopResultBuilder]: At program point L2951(line 2951) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,239 INFO L895 garLoopResultBuilder]: At program point L3199(lines 3198 3200) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,239 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 18:27:12,239 INFO L899 garLoopResultBuilder]: For program point L3067(line 3067) no Hoare annotation was computed. [2022-11-18 18:27:12,239 INFO L899 garLoopResultBuilder]: For program point L3001(lines 3001 3005) no Hoare annotation was computed. [2022-11-18 18:27:12,240 INFO L899 garLoopResultBuilder]: For program point L3001-2(lines 2950 3015) no Hoare annotation was computed. [2022-11-18 18:27:12,240 INFO L895 garLoopResultBuilder]: At program point L2952(line 2952) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,240 INFO L899 garLoopResultBuilder]: For program point L2985-1(line 2985) no Hoare annotation was computed. [2022-11-18 18:27:12,240 INFO L895 garLoopResultBuilder]: At program point L2985(line 2985) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,240 INFO L895 garLoopResultBuilder]: At program point L2886(lines 2880 2888) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,241 INFO L899 garLoopResultBuilder]: For program point L2952-1(line 2952) no Hoare annotation was computed. [2022-11-18 18:27:12,241 INFO L902 garLoopResultBuilder]: At program point L3068(line 3068) the Hoare annotation is: true [2022-11-18 18:27:12,241 INFO L895 garLoopResultBuilder]: At program point L2936(lines 2911 2938) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,241 INFO L899 garLoopResultBuilder]: For program point L3052(line 3052) no Hoare annotation was computed. [2022-11-18 18:27:12,242 INFO L899 garLoopResultBuilder]: For program point L2953-1(lines 2950 3015) no Hoare annotation was computed. [2022-11-18 18:27:12,242 INFO L899 garLoopResultBuilder]: For program point L2920(lines 2920 2934) no Hoare annotation was computed. [2022-11-18 18:27:12,242 INFO L895 garLoopResultBuilder]: At program point L2953(line 2953) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,242 INFO L895 garLoopResultBuilder]: At program point L3234(lines 3233 3235) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,242 INFO L899 garLoopResultBuilder]: For program point L2970(lines 2970 2990) no Hoare annotation was computed. [2022-11-18 18:27:12,243 INFO L899 garLoopResultBuilder]: For program point L3003-1(line 3003) no Hoare annotation was computed. [2022-11-18 18:27:12,244 INFO L895 garLoopResultBuilder]: At program point L3003(line 3003) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,244 INFO L899 garLoopResultBuilder]: For program point L2970-2(lines 2970 2990) no Hoare annotation was computed. [2022-11-18 18:27:12,244 INFO L895 garLoopResultBuilder]: At program point L3218(lines 3217 3219) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,244 INFO L899 garLoopResultBuilder]: For program point L3053(lines 3053 3065) no Hoare annotation was computed. [2022-11-18 18:27:12,245 INFO L899 garLoopResultBuilder]: For program point L2922(lines 2922 2926) no Hoare annotation was computed. [2022-11-18 18:27:12,245 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 18:27:12,245 INFO L902 garLoopResultBuilder]: At program point L3187-1(lines 3184 3193) the Hoare annotation is: true [2022-11-18 18:27:12,245 INFO L899 garLoopResultBuilder]: For program point L3187(lines 3187 3190) no Hoare annotation was computed. [2022-11-18 18:27:12,245 INFO L895 garLoopResultBuilder]: At program point L3022(line 3022) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,246 INFO L899 garLoopResultBuilder]: For program point L3055(lines 3055 3058) no Hoare annotation was computed. [2022-11-18 18:27:12,246 INFO L895 garLoopResultBuilder]: At program point L2956(line 2956) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,246 INFO L899 garLoopResultBuilder]: For program point L3022-1(line 3022) no Hoare annotation was computed. [2022-11-18 18:27:12,246 INFO L899 garLoopResultBuilder]: For program point L3055-2(lines 3053 3064) no Hoare annotation was computed. [2022-11-18 18:27:12,247 INFO L899 garLoopResultBuilder]: For program point L2923-1(line 2923) no Hoare annotation was computed. [2022-11-18 18:27:12,247 INFO L899 garLoopResultBuilder]: For program point L2956-1(line 2956) no Hoare annotation was computed. [2022-11-18 18:27:12,247 INFO L895 garLoopResultBuilder]: At program point L2923(line 2923) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,247 INFO L899 garLoopResultBuilder]: For program point L3039(lines 3039 3076) no Hoare annotation was computed. [2022-11-18 18:27:12,248 INFO L895 garLoopResultBuilder]: At program point L3188(line 3188) the Hoare annotation is: false [2022-11-18 18:27:12,248 INFO L895 garLoopResultBuilder]: At program point L3023(lines 3017 3025) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,249 INFO L895 garLoopResultBuilder]: At program point L2924(line 2924) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,249 INFO L899 garLoopResultBuilder]: For program point L2924-1(line 2924) no Hoare annotation was computed. [2022-11-18 18:27:12,250 INFO L895 garLoopResultBuilder]: At program point L3238(lines 3237 3239) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,250 INFO L899 garLoopResultBuilder]: For program point L3205-1(line 3205) no Hoare annotation was computed. [2022-11-18 18:27:12,251 INFO L895 garLoopResultBuilder]: At program point L3205(line 3205) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,251 INFO L895 garLoopResultBuilder]: At program point L3205-2(lines 3204 3206) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,251 INFO L899 garLoopResultBuilder]: For program point L3040(line 3040) no Hoare annotation was computed. [2022-11-18 18:27:12,251 INFO L895 garLoopResultBuilder]: At program point L3222(lines 3221 3223) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,251 INFO L895 garLoopResultBuilder]: At program point L3255(lines 3254 3256) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,252 INFO L895 garLoopResultBuilder]: At program point L2743(lines 2739 2745) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,252 INFO L895 garLoopResultBuilder]: At program point L2727(lines 2724 2729) the Hoare annotation is: (and (= ~ldv_module_refcounter~0 1) (= ~ldv_state_variable_0~0 1) (= ~ldv_retval_0~0 0)) [2022-11-18 18:27:12,253 INFO L899 garLoopResultBuilder]: For program point L3074(line 3074) no Hoare annotation was computed. [2022-11-18 18:27:12,258 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-18 18:27:12,260 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:27:12,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:27:12 BoogieIcfgContainer [2022-11-18 18:27:12,283 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:27:12,284 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:27:12,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:27:12,284 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:27:12,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:27:09" (3/4) ... [2022-11-18 18:27:12,291 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:27:12,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iounmap [2022-11-18 18:27:12,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-18 18:27:12,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure do_map_probe [2022-11-18 18:27:12,299 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-18 18:27:12,299 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_device [2022-11-18 18:27:12,299 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure inl [2022-11-18 18:27:12,299 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_dev_put [2022-11-18 18:27:12,299 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-11-18 18:27:12,300 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-18 18:27:12,300 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outl [2022-11-18 18:27:12,326 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2022-11-18 18:27:12,326 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-18 18:27:12,327 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-18 18:27:12,328 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 18:27:12,329 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:27:12,442 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:27:12,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:27:12,442 INFO L158 Benchmark]: Toolchain (without parser) took 4889.01ms. Allocated memory was 96.5MB in the beginning and 192.9MB in the end (delta: 96.5MB). Free memory was 61.3MB in the beginning and 147.6MB in the end (delta: -86.3MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2022-11-18 18:27:12,443 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:27:12,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1082.64ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 61.1MB in the beginning and 92.0MB in the end (delta: -30.9MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2022-11-18 18:27:12,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.43ms. Allocated memory is still 130.0MB. Free memory was 92.0MB in the beginning and 87.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:27:12,446 INFO L158 Benchmark]: Boogie Preprocessor took 98.68ms. Allocated memory is still 130.0MB. Free memory was 87.8MB in the beginning and 84.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:27:12,446 INFO L158 Benchmark]: RCFGBuilder took 1074.29ms. Allocated memory is still 130.0MB. Free memory was 83.6MB in the beginning and 81.4MB in the end (delta: 2.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-18 18:27:12,447 INFO L158 Benchmark]: TraceAbstraction took 2359.71ms. Allocated memory was 130.0MB in the beginning and 192.9MB in the end (delta: 62.9MB). Free memory was 80.8MB in the beginning and 93.0MB in the end (delta: -12.2MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2022-11-18 18:27:12,447 INFO L158 Benchmark]: Witness Printer took 158.17ms. Allocated memory is still 192.9MB. Free memory was 92.0MB in the beginning and 147.6MB in the end (delta: -55.6MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2022-11-18 18:27:12,451 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1082.64ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 61.1MB in the beginning and 92.0MB in the end (delta: -30.9MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.43ms. Allocated memory is still 130.0MB. Free memory was 92.0MB in the beginning and 87.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.68ms. Allocated memory is still 130.0MB. Free memory was 87.8MB in the beginning and 84.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1074.29ms. Allocated memory is still 130.0MB. Free memory was 83.6MB in the beginning and 81.4MB in the end (delta: 2.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2359.71ms. Allocated memory was 130.0MB in the beginning and 192.9MB in the end (delta: 62.9MB). Free memory was 80.8MB in the beginning and 93.0MB in the end (delta: -12.2MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. * Witness Printer took 158.17ms. Allocated memory is still 192.9MB. Free memory was 92.0MB in the beginning and 147.6MB in the end (delta: -55.6MB). Peak memory consumption was 3.1MB. 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 - PositiveResult [Line: 3089]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 131 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 460 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 428 mSDsluCounter, 641 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 206 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 435 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=1, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 114 PreInvPairs, 164 NumberOfFragments, 528 HoareAnnotationTreeSize, 114 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 205 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3225]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2730]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3029]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3221]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 2871]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2942]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 - InvariantResult [Line: 3204]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2746]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3229]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2739]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3213]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 3217]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 2846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2862]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3195]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3198]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3017]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 2880]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3241]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3237]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3033]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 2724]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2911]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3210]: Loop Invariant Derived loop invariant: ldv_module_refcounter == 1 && ldv_retval_0 == 0 - InvariantResult [Line: 2889]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 - InvariantResult [Line: 3233]: Loop Invariant Derived loop invariant: (ldv_module_refcounter == 1 && ldv_state_variable_0 == 1) && ldv_retval_0 == 0 RESULT: Ultimate proved your program to be correct! [2022-11-18 18:27:12,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a96d1e-b930-4265-a26f-f1c3cb47eb80/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE