./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- 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-2329fc7 [2022-12-13 17:16:03,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:16:03,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:16:03,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:16:03,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:16:03,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:16:03,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:16:03,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:16:03,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:16:03,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:16:03,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:16:03,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:16:03,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:16:03,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:16:03,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:16:03,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:16:03,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:16:03,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:16:03,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:16:03,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:16:03,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:16:03,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:16:03,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:16:03,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:16:03,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:16:03,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:16:03,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:16:03,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:16:03,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:16:03,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:16:03,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:16:03,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:16:03,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:16:03,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:16:03,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:16:03,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:16:03,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:16:03,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:16:03,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:16:03,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:16:03,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:16:03,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 17:16:03,658 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:16:03,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:16:03,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:16:03,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:16:03,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:16:03,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:16:03,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:16:03,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:16:03,661 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:16:03,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:16:03,661 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:16:03,661 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:16:03,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:16:03,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:16:03,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:16:03,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:16:03,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:16:03,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:16:03,662 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 17:16:03,662 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:16:03,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:16:03,663 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:16:03,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:16:03,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:16:03,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:16:03,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:16:03,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:16:03,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:16:03,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:16:03,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:16:03,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:16:03,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:16:03,664 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:16:03,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:16:03,665 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:16:03,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:16:03,665 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:16:03,665 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2022-12-13 17:16:03,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:16:03,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:16:03,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:16:03,871 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:16:03,872 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:16:03,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-12-13 17:16:06,524 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:16:06,746 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:16:06,747 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-12-13 17:16:06,762 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/data/84c29451f/3221dfe336b3419e9888dd79d9fcbdbc/FLAGf61a2cccf [2022-12-13 17:16:06,772 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/data/84c29451f/3221dfe336b3419e9888dd79d9fcbdbc [2022-12-13 17:16:06,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:16:06,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:16:06,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:16:06,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:16:06,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:16:06,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:16:06" (1/1) ... [2022-12-13 17:16:06,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411c7c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:06, skipping insertion in model container [2022-12-13 17:16:06,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:16:06" (1/1) ... [2022-12-13 17:16:06,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:16:06,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:16:06,989 WARN L237 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_f35467cd-a793-4983-a087-42a562be70ad/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-12-13 17:16:07,465 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 17:16:07,467 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2022-12-13 17:16:07,468 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 17:16:07,470 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 17:16:07,471 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2022-12-13 17:16:07,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2022-12-13 17:16:07,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:16:07,739 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:16:07,749 WARN L237 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_f35467cd-a793-4983-a087-42a562be70ad/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-12-13 17:16:07,795 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 17:16:07,796 WARN L623 FunctionHandler]: Unknown extern function register_reboot_notifier [2022-12-13 17:16:07,797 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 17:16:07,798 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 17:16:07,798 WARN L623 FunctionHandler]: Unknown extern function unregister_reboot_notifier [2022-12-13 17:16:07,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_nondet_sector_t [2022-12-13 17:16:07,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:16:08,020 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:16:08,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:08 WrapperNode [2022-12-13 17:16:08,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:16:08,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:16:08,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:16:08,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:16:08,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:08" (1/1) ... [2022-12-13 17:16:08,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:08" (1/1) ... [2022-12-13 17:16:08,125 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 1038 [2022-12-13 17:16:08,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:16:08,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:16:08,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:16:08,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:16:08,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:08" (1/1) ... [2022-12-13 17:16:08,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:08" (1/1) ... [2022-12-13 17:16:08,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:08" (1/1) ... [2022-12-13 17:16:08,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:08" (1/1) ... [2022-12-13 17:16:08,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:08" (1/1) ... [2022-12-13 17:16:08,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:08" (1/1) ... [2022-12-13 17:16:08,190 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:08" (1/1) ... [2022-12-13 17:16:08,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:08" (1/1) ... [2022-12-13 17:16:08,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:16:08,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:16:08,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:16:08,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:16:08,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:08" (1/1) ... [2022-12-13 17:16:08,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:16:08,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:16:08,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:16:08,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:16:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-12-13 17:16:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-12-13 17:16:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 17:16:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-12-13 17:16:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 17:16:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 17:16:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:16:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-13 17:16:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-13 17:16:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 17:16:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-12-13 17:16:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-12-13 17:16:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-12-13 17:16:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 17:16:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 17:16:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 17:16:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-12-13 17:16:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-12-13 17:16:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:16:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 17:16:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 17:16:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 17:16:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-12-13 17:16:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-12-13 17:16:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-13 17:16:08,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-13 17:16:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-12-13 17:16:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-12-13 17:16:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:16:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:16:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-12-13 17:16:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-12-13 17:16:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 17:16:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 17:16:08,271 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 17:16:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-12-13 17:16:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-12-13 17:16:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:16:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 17:16:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-12-13 17:16:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-12-13 17:16:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-12-13 17:16:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-12-13 17:16:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-13 17:16:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-13 17:16:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 17:16:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-12-13 17:16:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-12-13 17:16:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-12-13 17:16:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-12-13 17:16:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-13 17:16:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-13 17:16:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-12-13 17:16:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-12-13 17:16:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-12-13 17:16:08,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-12-13 17:16:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-12-13 17:16:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-12-13 17:16:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 17:16:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-12-13 17:16:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-12-13 17:16:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-12-13 17:16:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-12-13 17:16:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-12-13 17:16:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-12-13 17:16:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-13 17:16:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-13 17:16:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-13 17:16:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-13 17:16:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:16:08,520 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:16:08,522 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:16:09,991 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:16:10,001 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:16:10,002 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 17:16:10,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:16:10 BoogieIcfgContainer [2022-12-13 17:16:10,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:16:10,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:16:10,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:16:10,010 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:16:10,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:16:06" (1/3) ... [2022-12-13 17:16:10,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be771cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:16:10, skipping insertion in model container [2022-12-13 17:16:10,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:16:08" (2/3) ... [2022-12-13 17:16:10,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be771cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:16:10, skipping insertion in model container [2022-12-13 17:16:10,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:16:10" (3/3) ... [2022-12-13 17:16:10,013 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2022-12-13 17:16:10,029 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:16:10,029 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-12-13 17:16:10,091 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:16:10,097 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;@5487b365, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:16:10,098 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-12-13 17:16:10,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 392 states, 267 states have (on average 1.404494382022472) internal successors, (375), 293 states have internal predecessors, (375), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-12-13 17:16:10,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 17:16:10,111 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:10,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:10,112 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:10,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:10,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1721132980, now seen corresponding path program 1 times [2022-12-13 17:16:10,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:10,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689129096] [2022-12-13 17:16:10,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:10,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:10,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:10,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:16:10,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:10,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689129096] [2022-12-13 17:16:10,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689129096] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:10,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:10,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:16:10,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714602182] [2022-12-13 17:16:10,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:10,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:16:10,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:10,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:16:10,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:16:10,607 INFO L87 Difference]: Start difference. First operand has 392 states, 267 states have (on average 1.404494382022472) internal successors, (375), 293 states have internal predecessors, (375), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:16:11,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:11,365 INFO L93 Difference]: Finished difference Result 794 states and 1098 transitions. [2022-12-13 17:16:11,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:16:11,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-12-13 17:16:11,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:11,381 INFO L225 Difference]: With dead ends: 794 [2022-12-13 17:16:11,381 INFO L226 Difference]: Without dead ends: 399 [2022-12-13 17:16:11,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:16:11,392 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 107 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1476 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:11,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 1476 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 17:16:11,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2022-12-13 17:16:11,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 386. [2022-12-13 17:16:11,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 264 states have (on average 1.3825757575757576) internal successors, (365), 290 states have internal predecessors, (365), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-12-13 17:16:11,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 516 transitions. [2022-12-13 17:16:11,442 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 516 transitions. Word has length 10 [2022-12-13 17:16:11,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:11,442 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 516 transitions. [2022-12-13 17:16:11,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:16:11,442 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 516 transitions. [2022-12-13 17:16:11,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 17:16:11,443 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:11,443 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:11,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:16:11,444 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:11,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:11,444 INFO L85 PathProgramCache]: Analyzing trace with hash 529254152, now seen corresponding path program 1 times [2022-12-13 17:16:11,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:11,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822422500] [2022-12-13 17:16:11,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:11,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:11,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:16:11,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:11,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822422500] [2022-12-13 17:16:11,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822422500] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:16:11,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286525878] [2022-12-13 17:16:11,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:11,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:16:11,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:16:11,621 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:16:11,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 17:16:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:11,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 17:16:11,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:16:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:16:11,912 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:16:11,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286525878] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:11,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:16:11,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2022-12-13 17:16:11,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881300961] [2022-12-13 17:16:11,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:11,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:16:11,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:11,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:16:11,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-13 17:16:11,915 INFO L87 Difference]: Start difference. First operand 386 states and 516 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:16:11,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:11,988 INFO L93 Difference]: Finished difference Result 391 states and 521 transitions. [2022-12-13 17:16:11,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:16:11,989 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-13 17:16:11,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:11,991 INFO L225 Difference]: With dead ends: 391 [2022-12-13 17:16:11,991 INFO L226 Difference]: Without dead ends: 390 [2022-12-13 17:16:11,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-12-13 17:16:11,993 INFO L413 NwaCegarLoop]: 502 mSDtfsCounter, 185 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 2096 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:11,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 2096 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 17:16:11,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2022-12-13 17:16:12,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 385. [2022-12-13 17:16:12,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 264 states have (on average 1.378787878787879) internal successors, (364), 289 states have internal predecessors, (364), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-12-13 17:16:12,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 515 transitions. [2022-12-13 17:16:12,013 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 515 transitions. Word has length 14 [2022-12-13 17:16:12,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:12,014 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 515 transitions. [2022-12-13 17:16:12,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:16:12,014 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 515 transitions. [2022-12-13 17:16:12,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 17:16:12,014 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:12,014 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:12,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:16:12,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:16:12,216 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:12,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:12,218 INFO L85 PathProgramCache]: Analyzing trace with hash -772990201, now seen corresponding path program 1 times [2022-12-13 17:16:12,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:12,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360913075] [2022-12-13 17:16:12,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:12,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:12,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 17:16:12,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:12,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360913075] [2022-12-13 17:16:12,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360913075] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:12,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:12,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:16:12,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593227395] [2022-12-13 17:16:12,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:12,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:16:12,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:12,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:16:12,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:16:12,453 INFO L87 Difference]: Start difference. First operand 385 states and 515 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:16:13,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:13,107 INFO L93 Difference]: Finished difference Result 393 states and 525 transitions. [2022-12-13 17:16:13,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:16:13,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-12-13 17:16:13,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:13,110 INFO L225 Difference]: With dead ends: 393 [2022-12-13 17:16:13,110 INFO L226 Difference]: Without dead ends: 392 [2022-12-13 17:16:13,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:16:13,111 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 105 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:13,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 1422 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 17:16:13,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2022-12-13 17:16:13,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 381. [2022-12-13 17:16:13,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 261 states have (on average 1.3793103448275863) internal successors, (360), 285 states have internal predecessors, (360), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-12-13 17:16:13,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 511 transitions. [2022-12-13 17:16:13,139 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 511 transitions. Word has length 15 [2022-12-13 17:16:13,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:13,139 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 511 transitions. [2022-12-13 17:16:13,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:16:13,139 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 511 transitions. [2022-12-13 17:16:13,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 17:16:13,140 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:13,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:13,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:16:13,140 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:13,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:13,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1805513006, now seen corresponding path program 1 times [2022-12-13 17:16:13,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:13,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782120242] [2022-12-13 17:16:13,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:13,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:13,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:13,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:16:13,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:13,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782120242] [2022-12-13 17:16:13,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782120242] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:16:13,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910418646] [2022-12-13 17:16:13,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:13,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:16:13,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:16:13,281 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:16:13,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 17:16:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:13,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 17:16:13,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:16:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:16:13,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:16:13,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:16:13,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910418646] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:16:13,551 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:16:13,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-12-13 17:16:13,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650625325] [2022-12-13 17:16:13,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:16:13,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 17:16:13,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:13,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 17:16:13,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-12-13 17:16:13,553 INFO L87 Difference]: Start difference. First operand 381 states and 511 transitions. Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 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) [2022-12-13 17:16:14,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:14,405 INFO L93 Difference]: Finished difference Result 774 states and 1036 transitions. [2022-12-13 17:16:14,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 17:16:14,405 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 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 16 [2022-12-13 17:16:14,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:14,409 INFO L225 Difference]: With dead ends: 774 [2022-12-13 17:16:14,409 INFO L226 Difference]: Without dead ends: 402 [2022-12-13 17:16:14,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-12-13 17:16:14,411 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 133 mSDsluCounter, 2527 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 2951 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:14,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 2951 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 17:16:14,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2022-12-13 17:16:14,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 389. [2022-12-13 17:16:14,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 269 states have (on average 1.3680297397769516) internal successors, (368), 293 states have internal predecessors, (368), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-12-13 17:16:14,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 519 transitions. [2022-12-13 17:16:14,424 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 519 transitions. Word has length 16 [2022-12-13 17:16:14,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:14,424 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 519 transitions. [2022-12-13 17:16:14,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 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) [2022-12-13 17:16:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 519 transitions. [2022-12-13 17:16:14,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 17:16:14,425 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:14,425 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:14,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 17:16:14,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:16:14,627 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:14,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:14,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1146284378, now seen corresponding path program 2 times [2022-12-13 17:16:14,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:14,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49446776] [2022-12-13 17:16:14,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:14,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:14,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:14,799 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 17:16:14,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:14,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49446776] [2022-12-13 17:16:14,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49446776] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:14,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:14,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:16:14,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645041287] [2022-12-13 17:16:14,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:14,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:16:14,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:14,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:16:14,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:16:14,801 INFO L87 Difference]: Start difference. First operand 389 states and 519 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:16:15,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:15,426 INFO L93 Difference]: Finished difference Result 402 states and 534 transitions. [2022-12-13 17:16:15,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:16:15,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-12-13 17:16:15,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:15,429 INFO L225 Difference]: With dead ends: 402 [2022-12-13 17:16:15,429 INFO L226 Difference]: Without dead ends: 400 [2022-12-13 17:16:15,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:16:15,430 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 104 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 1424 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:15,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 1424 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 17:16:15,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2022-12-13 17:16:15,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 392. [2022-12-13 17:16:15,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 272 states have (on average 1.3639705882352942) internal successors, (371), 296 states have internal predecessors, (371), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-12-13 17:16:15,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 522 transitions. [2022-12-13 17:16:15,450 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 522 transitions. Word has length 24 [2022-12-13 17:16:15,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:15,450 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 522 transitions. [2022-12-13 17:16:15,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 17:16:15,451 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 522 transitions. [2022-12-13 17:16:15,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 17:16:15,451 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:15,451 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:15,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 17:16:15,452 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:15,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:15,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1557986530, now seen corresponding path program 1 times [2022-12-13 17:16:15,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:15,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161347290] [2022-12-13 17:16:15,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:15,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:15,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:15,597 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 17:16:15,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:15,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161347290] [2022-12-13 17:16:15,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161347290] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:16:15,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104335065] [2022-12-13 17:16:15,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:15,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:16:15,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:16:15,599 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:16:15,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 17:16:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:15,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 17:16:15,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:16:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 17:16:15,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:16:15,959 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 17:16:15,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104335065] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:16:15,960 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:16:15,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 20 [2022-12-13 17:16:15,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742022180] [2022-12-13 17:16:15,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:16:15,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-13 17:16:15,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:15,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-13 17:16:15,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-12-13 17:16:15,961 INFO L87 Difference]: Start difference. First operand 392 states and 522 transitions. Second operand has 20 states, 20 states have (on average 2.55) internal successors, (51), 19 states have internal predecessors, (51), 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) [2022-12-13 17:16:16,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:16,776 INFO L93 Difference]: Finished difference Result 786 states and 1050 transitions. [2022-12-13 17:16:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 17:16:16,776 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 19 states have internal predecessors, (51), 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 28 [2022-12-13 17:16:16,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:16,778 INFO L225 Difference]: With dead ends: 786 [2022-12-13 17:16:16,778 INFO L226 Difference]: Without dead ends: 411 [2022-12-13 17:16:16,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=190, Invalid=566, Unknown=0, NotChecked=0, Total=756 [2022-12-13 17:16:16,779 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 1004 mSDsluCounter, 2332 mSDsCounter, 0 mSdLazyCounter, 1032 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 2751 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 1032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:16,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 2751 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 1032 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 17:16:16,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-12-13 17:16:16,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 403. [2022-12-13 17:16:16,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 285 states have (on average 1.3368421052631578) internal successors, (381), 307 states have internal predecessors, (381), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-12-13 17:16:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 532 transitions. [2022-12-13 17:16:16,790 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 532 transitions. Word has length 28 [2022-12-13 17:16:16,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:16,790 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 532 transitions. [2022-12-13 17:16:16,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 19 states have internal predecessors, (51), 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) [2022-12-13 17:16:16,791 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 532 transitions. [2022-12-13 17:16:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-13 17:16:16,791 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:16,791 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:16,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 17:16:16,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 17:16:16,992 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:16,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:16,992 INFO L85 PathProgramCache]: Analyzing trace with hash 893458076, now seen corresponding path program 1 times [2022-12-13 17:16:16,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:16,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920639124] [2022-12-13 17:16:16,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:16,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:17,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:17,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 17:16:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:17,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 17:16:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:17,239 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-12-13 17:16:17,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:17,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920639124] [2022-12-13 17:16:17,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920639124] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:17,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:17,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:16:17,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827926485] [2022-12-13 17:16:17,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:17,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:16:17,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:17,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:16:17,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:16:17,241 INFO L87 Difference]: Start difference. First operand 403 states and 532 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 17:16:17,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:17,986 INFO L93 Difference]: Finished difference Result 716 states and 955 transitions. [2022-12-13 17:16:17,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:16:17,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 58 [2022-12-13 17:16:17,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:17,990 INFO L225 Difference]: With dead ends: 716 [2022-12-13 17:16:17,990 INFO L226 Difference]: Without dead ends: 712 [2022-12-13 17:16:17,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:16:17,992 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 574 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:17,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 1064 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 17:16:17,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2022-12-13 17:16:18,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 688. [2022-12-13 17:16:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 490 states have (on average 1.353061224489796) internal successors, (663), 516 states have internal predecessors, (663), 134 states have call successors, (134), 48 states have call predecessors, (134), 48 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2022-12-13 17:16:18,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 930 transitions. [2022-12-13 17:16:18,023 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 930 transitions. Word has length 58 [2022-12-13 17:16:18,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:18,024 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 930 transitions. [2022-12-13 17:16:18,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 17:16:18,024 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 930 transitions. [2022-12-13 17:16:18,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-13 17:16:18,026 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:18,026 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 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] [2022-12-13 17:16:18,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 17:16:18,026 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:18,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:18,027 INFO L85 PathProgramCache]: Analyzing trace with hash -72694340, now seen corresponding path program 1 times [2022-12-13 17:16:18,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:18,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449433126] [2022-12-13 17:16:18,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:18,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:18,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:18,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 17:16:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 17:16:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:18,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:18,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 17:16:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:18,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 17:16:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:18,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 17:16:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-12-13 17:16:18,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:18,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449433126] [2022-12-13 17:16:18,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449433126] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:18,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:18,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:16:18,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724799548] [2022-12-13 17:16:18,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:18,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:16:18,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:18,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:16:18,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:16:18,355 INFO L87 Difference]: Start difference. First operand 688 states and 930 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 17:16:19,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:19,263 INFO L93 Difference]: Finished difference Result 1611 states and 2193 transitions. [2022-12-13 17:16:19,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:16:19,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 84 [2022-12-13 17:16:19,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:19,269 INFO L225 Difference]: With dead ends: 1611 [2022-12-13 17:16:19,269 INFO L226 Difference]: Without dead ends: 997 [2022-12-13 17:16:19,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 17:16:19,271 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 537 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 1483 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:19,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 1483 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 17:16:19,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2022-12-13 17:16:19,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 965. [2022-12-13 17:16:19,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 691 states have (on average 1.357452966714906) internal successors, (938), 720 states have internal predecessors, (938), 191 states have call successors, (191), 69 states have call predecessors, (191), 69 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2022-12-13 17:16:19,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1319 transitions. [2022-12-13 17:16:19,317 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1319 transitions. Word has length 84 [2022-12-13 17:16:19,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:19,317 INFO L495 AbstractCegarLoop]: Abstraction has 965 states and 1319 transitions. [2022-12-13 17:16:19,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-13 17:16:19,317 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1319 transitions. [2022-12-13 17:16:19,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-13 17:16:19,319 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:19,320 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 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] [2022-12-13 17:16:19,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 17:16:19,320 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:19,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:19,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1471783584, now seen corresponding path program 1 times [2022-12-13 17:16:19,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:19,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367269522] [2022-12-13 17:16:19,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:19,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:19,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 17:16:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:19,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 17:16:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:19,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:19,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 17:16:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:19,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 17:16:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:19,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 17:16:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 17:16:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-12-13 17:16:19,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:19,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367269522] [2022-12-13 17:16:19,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367269522] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:19,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:19,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:16:19,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123669490] [2022-12-13 17:16:19,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:19,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:16:19,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:19,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:16:19,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:16:19,646 INFO L87 Difference]: Start difference. First operand 965 states and 1319 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 17:16:20,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:20,365 INFO L93 Difference]: Finished difference Result 2005 states and 2680 transitions. [2022-12-13 17:16:20,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:16:20,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 95 [2022-12-13 17:16:20,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:20,369 INFO L225 Difference]: With dead ends: 2005 [2022-12-13 17:16:20,369 INFO L226 Difference]: Without dead ends: 1105 [2022-12-13 17:16:20,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 17:16:20,372 INFO L413 NwaCegarLoop]: 452 mSDtfsCounter, 337 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:20,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 1419 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 17:16:20,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2022-12-13 17:16:20,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1071. [2022-12-13 17:16:20,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 755 states have (on average 1.2927152317880795) internal successors, (976), 781 states have internal predecessors, (976), 211 states have call successors, (211), 93 states have call predecessors, (211), 93 states have return successors, (209), 209 states have call predecessors, (209), 208 states have call successors, (209) [2022-12-13 17:16:20,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1396 transitions. [2022-12-13 17:16:20,426 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1396 transitions. Word has length 95 [2022-12-13 17:16:20,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:20,427 INFO L495 AbstractCegarLoop]: Abstraction has 1071 states and 1396 transitions. [2022-12-13 17:16:20,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 17:16:20,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1396 transitions. [2022-12-13 17:16:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-13 17:16:20,429 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:20,429 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 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] [2022-12-13 17:16:20,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 17:16:20,429 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:20,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:20,430 INFO L85 PathProgramCache]: Analyzing trace with hash -913785220, now seen corresponding path program 1 times [2022-12-13 17:16:20,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:20,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911321840] [2022-12-13 17:16:20,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:20,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:20,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:20,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 17:16:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:20,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 17:16:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:20,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:20,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 17:16:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:20,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-12-13 17:16:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:20,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 17:16:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:20,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:16:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:20,932 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 17:16:20,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:20,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911321840] [2022-12-13 17:16:20,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911321840] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:16:20,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337528045] [2022-12-13 17:16:20,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:20,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:16:20,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:16:20,934 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:16:20,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 17:16:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:21,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 17:16:21,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:16:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 17:16:21,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:16:21,437 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 17:16:21,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337528045] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:16:21,437 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:16:21,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2022-12-13 17:16:21,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205501660] [2022-12-13 17:16:21,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:16:21,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 17:16:21,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:21,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 17:16:21,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2022-12-13 17:16:21,439 INFO L87 Difference]: Start difference. First operand 1071 states and 1396 transitions. Second operand has 24 states, 24 states have (on average 4.333333333333333) internal successors, (104), 23 states have internal predecessors, (104), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 17:16:22,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:22,333 INFO L93 Difference]: Finished difference Result 2149 states and 2807 transitions. [2022-12-13 17:16:22,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-13 17:16:22,334 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.333333333333333) internal successors, (104), 23 states have internal predecessors, (104), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2022-12-13 17:16:22,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:22,338 INFO L225 Difference]: With dead ends: 2149 [2022-12-13 17:16:22,339 INFO L226 Difference]: Without dead ends: 1111 [2022-12-13 17:16:22,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 190 SyntacticMatches, 11 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=756, Unknown=0, NotChecked=0, Total=1056 [2022-12-13 17:16:22,342 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 153 mSDsluCounter, 3227 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 3643 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:22,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 3643 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 17:16:22,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2022-12-13 17:16:22,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 1083. [2022-12-13 17:16:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 767 states have (on average 1.2881355932203389) internal successors, (988), 793 states have internal predecessors, (988), 211 states have call successors, (211), 93 states have call predecessors, (211), 93 states have return successors, (209), 209 states have call predecessors, (209), 208 states have call successors, (209) [2022-12-13 17:16:22,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1408 transitions. [2022-12-13 17:16:22,389 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1408 transitions. Word has length 96 [2022-12-13 17:16:22,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:22,389 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1408 transitions. [2022-12-13 17:16:22,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.333333333333333) internal successors, (104), 23 states have internal predecessors, (104), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 17:16:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1408 transitions. [2022-12-13 17:16:22,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-13 17:16:22,391 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:22,391 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 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] [2022-12-13 17:16:22,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 17:16:22,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 17:16:22,592 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:22,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:22,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1481961040, now seen corresponding path program 2 times [2022-12-13 17:16:22,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:22,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568485483] [2022-12-13 17:16:22,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:22,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:22,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:22,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:16:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:22,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 17:16:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:22,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:22,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 17:16:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:22,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 17:16:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:22,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 17:16:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:22,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 17:16:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-12-13 17:16:22,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:22,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568485483] [2022-12-13 17:16:22,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568485483] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:22,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:22,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:16:22,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507500242] [2022-12-13 17:16:22,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:22,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:16:22,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:22,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:16:22,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:16:22,819 INFO L87 Difference]: Start difference. First operand 1083 states and 1408 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 17:16:23,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:23,414 INFO L93 Difference]: Finished difference Result 1128 states and 1456 transitions. [2022-12-13 17:16:23,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:16:23,414 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 108 [2022-12-13 17:16:23,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:23,420 INFO L225 Difference]: With dead ends: 1128 [2022-12-13 17:16:23,420 INFO L226 Difference]: Without dead ends: 1013 [2022-12-13 17:16:23,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:16:23,421 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 101 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1790 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:23,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1790 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 17:16:23,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2022-12-13 17:16:23,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 989. [2022-12-13 17:16:23,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 704 states have (on average 1.2926136363636365) internal successors, (910), 729 states have internal predecessors, (910), 190 states have call successors, (190), 83 states have call predecessors, (190), 83 states have return successors, (188), 188 states have call predecessors, (188), 187 states have call successors, (188) [2022-12-13 17:16:23,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1288 transitions. [2022-12-13 17:16:23,452 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1288 transitions. Word has length 108 [2022-12-13 17:16:23,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:23,452 INFO L495 AbstractCegarLoop]: Abstraction has 989 states and 1288 transitions. [2022-12-13 17:16:23,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 17:16:23,452 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1288 transitions. [2022-12-13 17:16:23,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-13 17:16:23,454 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:23,454 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 3, 3, 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] [2022-12-13 17:16:23,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 17:16:23,454 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:23,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:23,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1362408164, now seen corresponding path program 1 times [2022-12-13 17:16:23,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:23,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370288753] [2022-12-13 17:16:23,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:23,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:16:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 17:16:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 17:16:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:16:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 17:16:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 17:16:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 17:16:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-12-13 17:16:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-12-13 17:16:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-12-13 17:16:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-12-13 17:16:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-12-13 17:16:23,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:23,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370288753] [2022-12-13 17:16:23,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370288753] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:23,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:23,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 17:16:23,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224603672] [2022-12-13 17:16:23,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:23,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 17:16:23,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:23,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 17:16:23,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 17:16:23,777 INFO L87 Difference]: Start difference. First operand 989 states and 1288 transitions. Second operand has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 17:16:25,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:25,560 INFO L93 Difference]: Finished difference Result 1851 states and 2425 transitions. [2022-12-13 17:16:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 17:16:25,560 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 142 [2022-12-13 17:16:25,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:25,564 INFO L225 Difference]: With dead ends: 1851 [2022-12-13 17:16:25,564 INFO L226 Difference]: Without dead ends: 1435 [2022-12-13 17:16:25,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-12-13 17:16:25,565 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 876 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 1834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 421 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:25,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 1046 Invalid, 1834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [421 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-13 17:16:25,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2022-12-13 17:16:25,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 1389. [2022-12-13 17:16:25,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1389 states, 988 states have (on average 1.3016194331983806) internal successors, (1286), 1019 states have internal predecessors, (1286), 273 states have call successors, (273), 119 states have call predecessors, (273), 118 states have return successors, (268), 268 states have call predecessors, (268), 267 states have call successors, (268) [2022-12-13 17:16:25,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 1827 transitions. [2022-12-13 17:16:25,611 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 1827 transitions. Word has length 142 [2022-12-13 17:16:25,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:25,611 INFO L495 AbstractCegarLoop]: Abstraction has 1389 states and 1827 transitions. [2022-12-13 17:16:25,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 17:16:25,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1827 transitions. [2022-12-13 17:16:25,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-13 17:16:25,613 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:25,613 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:25,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 17:16:25,613 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:25,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:25,613 INFO L85 PathProgramCache]: Analyzing trace with hash 2021886994, now seen corresponding path program 1 times [2022-12-13 17:16:25,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:25,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501903145] [2022-12-13 17:16:25,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:25,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:25,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:16:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:25,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 17:16:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:25,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:25,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 17:16:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:25,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:16:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:25,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 17:16:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:25,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 17:16:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:25,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:25,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 17:16:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:25,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 17:16:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:25,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 17:16:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:25,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 17:16:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-12-13 17:16:25,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:26,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501903145] [2022-12-13 17:16:26,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501903145] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:26,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:26,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:16:26,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392338437] [2022-12-13 17:16:26,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:26,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:16:26,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:26,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:16:26,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:16:26,001 INFO L87 Difference]: Start difference. First operand 1389 states and 1827 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 17:16:26,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:26,954 INFO L93 Difference]: Finished difference Result 2620 states and 3485 transitions. [2022-12-13 17:16:26,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:16:26,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 143 [2022-12-13 17:16:26,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:26,963 INFO L225 Difference]: With dead ends: 2620 [2022-12-13 17:16:26,963 INFO L226 Difference]: Without dead ends: 2493 [2022-12-13 17:16:26,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:16:26,964 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 729 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:26,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [769 Valid, 903 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 17:16:26,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2022-12-13 17:16:27,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2284. [2022-12-13 17:16:27,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2284 states, 1628 states have (on average 1.3298525798525798) internal successors, (2165), 1678 states have internal predecessors, (2165), 452 states have call successors, (452), 196 states have call predecessors, (452), 194 states have return successors, (455), 440 states have call predecessors, (455), 442 states have call successors, (455) [2022-12-13 17:16:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 2284 states and 3072 transitions. [2022-12-13 17:16:27,056 INFO L78 Accepts]: Start accepts. Automaton has 2284 states and 3072 transitions. Word has length 143 [2022-12-13 17:16:27,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:27,056 INFO L495 AbstractCegarLoop]: Abstraction has 2284 states and 3072 transitions. [2022-12-13 17:16:27,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 17:16:27,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 3072 transitions. [2022-12-13 17:16:27,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-13 17:16:27,059 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:27,059 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:27,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 17:16:27,059 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:27,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:27,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1114874731, now seen corresponding path program 1 times [2022-12-13 17:16:27,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:27,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118015982] [2022-12-13 17:16:27,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:27,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:16:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 17:16:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 17:16:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:16:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 17:16:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 17:16:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-12-13 17:16:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 17:16:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-12-13 17:16:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 17:16:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-12-13 17:16:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 17:16:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:27,358 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-12-13 17:16:27,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:27,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118015982] [2022-12-13 17:16:27,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118015982] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:27,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:27,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 17:16:27,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574968993] [2022-12-13 17:16:27,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:27,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 17:16:27,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:27,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 17:16:27,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 17:16:27,360 INFO L87 Difference]: Start difference. First operand 2284 states and 3072 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 17:16:28,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:28,901 INFO L93 Difference]: Finished difference Result 2481 states and 3294 transitions. [2022-12-13 17:16:28,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 17:16:28,901 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 160 [2022-12-13 17:16:28,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:28,905 INFO L225 Difference]: With dead ends: 2481 [2022-12-13 17:16:28,906 INFO L226 Difference]: Without dead ends: 1671 [2022-12-13 17:16:28,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 17:16:28,907 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 289 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 1374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:28,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 1086 Invalid, 1374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1225 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 17:16:28,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2022-12-13 17:16:28,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1627. [2022-12-13 17:16:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1627 states, 1158 states have (on average 1.3126079447322971) internal successors, (1520), 1194 states have internal predecessors, (1520), 316 states have call successors, (316), 144 states have call predecessors, (316), 143 states have return successors, (319), 309 states have call predecessors, (319), 310 states have call successors, (319) [2022-12-13 17:16:28,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 2155 transitions. [2022-12-13 17:16:28,963 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 2155 transitions. Word has length 160 [2022-12-13 17:16:28,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:28,963 INFO L495 AbstractCegarLoop]: Abstraction has 1627 states and 2155 transitions. [2022-12-13 17:16:28,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 17:16:28,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2155 transitions. [2022-12-13 17:16:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-13 17:16:28,965 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:28,965 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:28,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 17:16:28,965 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:28,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:28,966 INFO L85 PathProgramCache]: Analyzing trace with hash 548890878, now seen corresponding path program 1 times [2022-12-13 17:16:28,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:28,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117757566] [2022-12-13 17:16:28,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:28,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:29,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:16:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:29,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 17:16:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:29,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:29,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 17:16:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:29,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:16:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 17:16:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:29,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 17:16:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:29,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:16:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 17:16:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 17:16:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:29,227 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-12-13 17:16:29,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:29,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117757566] [2022-12-13 17:16:29,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117757566] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:29,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:29,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:16:29,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856246976] [2022-12-13 17:16:29,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:29,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 17:16:29,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:29,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:16:29,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:16:29,229 INFO L87 Difference]: Start difference. First operand 1627 states and 2155 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-12-13 17:16:30,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:30,186 INFO L93 Difference]: Finished difference Result 1683 states and 2226 transitions. [2022-12-13 17:16:30,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 17:16:30,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 158 [2022-12-13 17:16:30,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:30,190 INFO L225 Difference]: With dead ends: 1683 [2022-12-13 17:16:30,190 INFO L226 Difference]: Without dead ends: 1682 [2022-12-13 17:16:30,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:16:30,191 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 129 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:30,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 1015 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 17:16:30,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2022-12-13 17:16:30,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1632. [2022-12-13 17:16:30,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1162 states have (on average 1.3080895008605853) internal successors, (1520), 1199 states have internal predecessors, (1520), 316 states have call successors, (316), 144 states have call predecessors, (316), 145 states have return successors, (323), 309 states have call predecessors, (323), 310 states have call successors, (323) [2022-12-13 17:16:30,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2159 transitions. [2022-12-13 17:16:30,245 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2159 transitions. Word has length 158 [2022-12-13 17:16:30,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:30,245 INFO L495 AbstractCegarLoop]: Abstraction has 1632 states and 2159 transitions. [2022-12-13 17:16:30,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 1 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-12-13 17:16:30,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2159 transitions. [2022-12-13 17:16:30,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-12-13 17:16:30,247 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:30,248 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:30,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 17:16:30,248 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:30,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:30,248 INFO L85 PathProgramCache]: Analyzing trace with hash -2014203799, now seen corresponding path program 1 times [2022-12-13 17:16:30,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:30,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495790952] [2022-12-13 17:16:30,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:30,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:31,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:31,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:16:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:31,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 17:16:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:31,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:31,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 17:16:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:31,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 17:16:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:31,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-12-13 17:16:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:31,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 17:16:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:31,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:31,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 17:16:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:31,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-12-13 17:16:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:31,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 17:16:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:31,255 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-12-13 17:16:31,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:31,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495790952] [2022-12-13 17:16:31,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495790952] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:31,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:31,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 17:16:31,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359434097] [2022-12-13 17:16:31,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:31,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 17:16:31,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:31,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 17:16:31,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:16:31,257 INFO L87 Difference]: Start difference. First operand 1632 states and 2159 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 17:16:33,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:33,443 INFO L93 Difference]: Finished difference Result 4064 states and 5463 transitions. [2022-12-13 17:16:33,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 17:16:33,443 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 157 [2022-12-13 17:16:33,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:33,454 INFO L225 Difference]: With dead ends: 4064 [2022-12-13 17:16:33,454 INFO L226 Difference]: Without dead ends: 2497 [2022-12-13 17:16:33,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-12-13 17:16:33,459 INFO L413 NwaCegarLoop]: 676 mSDtfsCounter, 1403 mSDsluCounter, 1674 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 522 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1473 SdHoareTripleChecker+Valid, 2350 SdHoareTripleChecker+Invalid, 2022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 522 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:33,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1473 Valid, 2350 Invalid, 2022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [522 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 17:16:33,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2497 states. [2022-12-13 17:16:33,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2497 to 1632. [2022-12-13 17:16:33,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1162 states have (on average 1.3046471600688467) internal successors, (1516), 1199 states have internal predecessors, (1516), 316 states have call successors, (316), 144 states have call predecessors, (316), 145 states have return successors, (323), 309 states have call predecessors, (323), 310 states have call successors, (323) [2022-12-13 17:16:33,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2155 transitions. [2022-12-13 17:16:33,555 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2155 transitions. Word has length 157 [2022-12-13 17:16:33,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:33,555 INFO L495 AbstractCegarLoop]: Abstraction has 1632 states and 2155 transitions. [2022-12-13 17:16:33,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-13 17:16:33,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2155 transitions. [2022-12-13 17:16:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-13 17:16:33,556 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:33,556 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:33,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 17:16:33,557 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-12-13 17:16:33,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:33,557 INFO L85 PathProgramCache]: Analyzing trace with hash -609043602, now seen corresponding path program 1 times [2022-12-13 17:16:33,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:33,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492581104] [2022-12-13 17:16:33,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:33,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:39,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 17:16:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:39,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 17:16:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:39,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 17:16:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:39,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:39,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-12-13 17:16:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:39,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-12-13 17:16:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:39,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 17:16:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:39,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-12-13 17:16:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:49,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 17:16:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:49,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 17:16:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:49,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-12-13 17:16:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:49,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 17:16:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:49,639 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-12-13 17:16:49,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:49,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492581104] [2022-12-13 17:16:49,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492581104] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:16:49,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518484356] [2022-12-13 17:16:49,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:49,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:16:49,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:16:49,641 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:16:49,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 17:16:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:50,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 1558 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 17:16:50,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:16:50,383 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-12-13 17:16:50,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:16:50,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518484356] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:50,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:16:50,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 20 [2022-12-13 17:16:50,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478677852] [2022-12-13 17:16:50,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:50,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 17:16:50,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:50,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:16:50,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=299, Unknown=1, NotChecked=0, Total=380 [2022-12-13 17:16:50,384 INFO L87 Difference]: Start difference. First operand 1632 states and 2155 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 17:16:51,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:51,058 INFO L93 Difference]: Finished difference Result 1638 states and 2159 transitions. [2022-12-13 17:16:51,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:16:51,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 161 [2022-12-13 17:16:51,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:51,058 INFO L225 Difference]: With dead ends: 1638 [2022-12-13 17:16:51,058 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 17:16:51,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=85, Invalid=334, Unknown=1, NotChecked=0, Total=420 [2022-12-13 17:16:51,061 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 3 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:51,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 98 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 17:16:51,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 17:16:51,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 17:16:51,061 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) [2022-12-13 17:16:51,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 17:16:51,062 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2022-12-13 17:16:51,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:51,062 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 17:16:51,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 17:16:51,062 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 17:16:51,062 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 17:16:51,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2022-12-13 17:16:51,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2022-12-13 17:16:51,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2022-12-13 17:16:51,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2022-12-13 17:16:51,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2022-12-13 17:16:51,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2022-12-13 17:16:51,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2022-12-13 17:16:51,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2022-12-13 17:16:51,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2022-12-13 17:16:51,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2022-12-13 17:16:51,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2022-12-13 17:16:51,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2022-12-13 17:16:51,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2022-12-13 17:16:51,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2022-12-13 17:16:51,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2022-12-13 17:16:51,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2022-12-13 17:16:51,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2022-12-13 17:16:51,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2022-12-13 17:16:51,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2022-12-13 17:16:51,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2022-12-13 17:16:51,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 17:16:51,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 17:16:51,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 17:16:52,363 INFO L899 garLoopResultBuilder]: For program point spin_lock_initEXIT(lines 4153 4157) no Hoare annotation was computed. [2022-12-13 17:16:52,363 INFO L899 garLoopResultBuilder]: For program point spin_lock_initFINAL(lines 4153 4157) no Hoare annotation was computed. [2022-12-13 17:16:52,364 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 4153 4157) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ddv_ioport_request_len~0 0)) (not (= ~number_cdev_registered~0 0)) (not (= 0 ~fixed_cdev_used~0)) (not (= ~ddv_ioport_request_start~0 0)) (not (= ~number_timer_registered~0 0)) (not (= ~next_heartbeat~0 0))) [2022-12-13 17:16:52,364 INFO L899 garLoopResultBuilder]: For program point printkFINAL(lines 4480 4483) no Hoare annotation was computed. [2022-12-13 17:16:52,364 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4480 4483) the Hoare annotation is: true [2022-12-13 17:16:52,364 INFO L899 garLoopResultBuilder]: For program point printkEXIT(lines 4480 4483) no Hoare annotation was computed. [2022-12-13 17:16:52,364 INFO L899 garLoopResultBuilder]: For program point misc_deregisterEXIT(line 4524) no Hoare annotation was computed. [2022-12-13 17:16:52,364 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 4524) the Hoare annotation is: true [2022-12-13 17:16:52,364 INFO L899 garLoopResultBuilder]: For program point misc_deregisterFINAL(line 4524) no Hoare annotation was computed. [2022-12-13 17:16:52,364 INFO L899 garLoopResultBuilder]: For program point L1596(line 1596) no Hoare annotation was computed. [2022-12-13 17:16:52,365 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 1596 1619) no Hoare annotation was computed. [2022-12-13 17:16:52,365 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ddv_ioport_request_len~0 0)) (not (= ~number_cdev_registered~0 0)) (not (= ~ddv_ioport_request_start~0 0)) (not (= ~number_timer_registered~0 0)) (not (= ~next_heartbeat~0 0))) [2022-12-13 17:16:52,365 INFO L899 garLoopResultBuilder]: For program point L1596-2(lines 1589 1620) no Hoare annotation was computed. [2022-12-13 17:16:52,365 INFO L895 garLoopResultBuilder]: At program point L1594-1(line 1594) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ddv_ioport_request_len~0 0)) (not (= ~number_cdev_registered~0 0)) (not (= ~ddv_ioport_request_start~0 0)) (not (= ~number_timer_registered~0 0)) (not (= ~next_heartbeat~0 0))) [2022-12-13 17:16:52,365 INFO L899 garLoopResultBuilder]: For program point L1594-2(line 1594) no Hoare annotation was computed. [2022-12-13 17:16:52,365 INFO L899 garLoopResultBuilder]: For program point L1613(line 1613) no Hoare annotation was computed. [2022-12-13 17:16:52,366 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1589 1620) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ddv_ioport_request_len~0 0)) (not (= ~number_cdev_registered~0 0)) (not (= ~ddv_ioport_request_start~0 0)) (not (= ~number_timer_registered~0 0)) (not (= ~next_heartbeat~0 0))) [2022-12-13 17:16:52,366 INFO L899 garLoopResultBuilder]: For program point zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1596) no Hoare annotation was computed. [2022-12-13 17:16:52,366 INFO L895 garLoopResultBuilder]: At program point L1605(line 1605) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ddv_ioport_request_len~0 0)) (not (= ~number_cdev_registered~0 0)) (not (= ~ddv_ioport_request_start~0 0)) (not (= ~number_timer_registered~0 0)) (not (= ~next_heartbeat~0 0))) [2022-12-13 17:16:52,366 INFO L902 garLoopResultBuilder]: At program point L1605-1(line 1605) the Hoare annotation is: true [2022-12-13 17:16:52,366 INFO L895 garLoopResultBuilder]: At program point L1618(line 1618) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ddv_ioport_request_len~0 0)) (not (= ~number_cdev_registered~0 0)) (not (= ~ddv_ioport_request_start~0 0)) (not (= ~number_timer_registered~0 0)) (not (= ~next_heartbeat~0 0))) [2022-12-13 17:16:52,366 INFO L899 garLoopResultBuilder]: For program point L1618-1(line 1618) no Hoare annotation was computed. [2022-12-13 17:16:52,366 INFO L902 garLoopResultBuilder]: At program point L1616(line 1616) the Hoare annotation is: true [2022-12-13 17:16:52,366 INFO L902 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: true [2022-12-13 17:16:52,367 INFO L902 garLoopResultBuilder]: At program point L1612-1(line 1612) the Hoare annotation is: true [2022-12-13 17:16:52,367 INFO L899 garLoopResultBuilder]: For program point zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1596) no Hoare annotation was computed. [2022-12-13 17:16:52,367 INFO L902 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: true [2022-12-13 17:16:52,367 INFO L899 garLoopResultBuilder]: For program point zf_pingEXIT(lines 1589 1620) no Hoare annotation was computed. [2022-12-13 17:16:52,367 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2022-12-13 17:16:52,367 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-12-13 17:16:52,367 INFO L902 garLoopResultBuilder]: At program point assert_context_processFINAL(lines 21 23) the Hoare annotation is: true [2022-12-13 17:16:52,367 INFO L899 garLoopResultBuilder]: For program point assert_context_processEXIT(lines 21 23) no Hoare annotation was computed. [2022-12-13 17:16:52,367 INFO L899 garLoopResultBuilder]: For program point L3962(lines 3962 3963) no Hoare annotation was computed. [2022-12-13 17:16:52,367 INFO L899 garLoopResultBuilder]: For program point zf_readwFINAL(lines 1467 1471) no Hoare annotation was computed. [2022-12-13 17:16:52,368 INFO L895 garLoopResultBuilder]: At program point inw_returnLabel#1(lines 3960 3966) the Hoare annotation is: (or (not (= ~ddv_ioport_request_len~0 0)) (not (= ~number_cdev_registered~0 0)) (not (= 0 ~fixed_cdev_used~0)) (not (= ~ddv_ioport_request_start~0 0)) (not (= ~number_timer_registered~0 0)) (not (= ~next_heartbeat~0 0))) [2022-12-13 17:16:52,368 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1467 1471) the Hoare annotation is: true [2022-12-13 17:16:52,368 INFO L899 garLoopResultBuilder]: For program point zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3963) no Hoare annotation was computed. [2022-12-13 17:16:52,368 INFO L902 garLoopResultBuilder]: At program point L1469(line 1469) the Hoare annotation is: true [2022-12-13 17:16:52,368 INFO L899 garLoopResultBuilder]: For program point L1469-1(line 1469) no Hoare annotation was computed. [2022-12-13 17:16:52,368 INFO L899 garLoopResultBuilder]: For program point L3963-1(line 3963) no Hoare annotation was computed. [2022-12-13 17:16:52,368 INFO L899 garLoopResultBuilder]: For program point L3963(line 3963) no Hoare annotation was computed. [2022-12-13 17:16:52,368 INFO L899 garLoopResultBuilder]: For program point L3963-2(line 3963) no Hoare annotation was computed. [2022-12-13 17:16:52,368 INFO L899 garLoopResultBuilder]: For program point L3963-4(line 3963) no Hoare annotation was computed. [2022-12-13 17:16:52,369 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2022-12-13 17:16:52,369 INFO L899 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2022-12-13 17:16:52,369 INFO L895 garLoopResultBuilder]: At program point L12-3(line 12) the Hoare annotation is: (or (not (= ~ddv_ioport_request_len~0 0)) (not (= ~number_cdev_registered~0 0)) (not (= 0 ~fixed_cdev_used~0)) (not (= ~ddv_ioport_request_start~0 0)) (not (= ~number_timer_registered~0 0)) (not (= ~next_heartbeat~0 0))) [2022-12-13 17:16:52,369 INFO L899 garLoopResultBuilder]: For program point zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3963) no Hoare annotation was computed. [2022-12-13 17:16:52,369 INFO L899 garLoopResultBuilder]: For program point zf_readwEXIT(lines 1467 1471) no Hoare annotation was computed. [2022-12-13 17:16:52,369 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,369 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,369 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-13 17:16:52,369 INFO L899 garLoopResultBuilder]: For program point L1553(line 1553) no Hoare annotation was computed. [2022-12-13 17:16:52,369 INFO L899 garLoopResultBuilder]: For program point zf_timer_offEXIT(lines 1537 1554) no Hoare annotation was computed. [2022-12-13 17:16:52,370 INFO L902 garLoopResultBuilder]: At program point L1551(line 1551) the Hoare annotation is: true [2022-12-13 17:16:52,370 INFO L902 garLoopResultBuilder]: At program point L1550(line 1550) the Hoare annotation is: true [2022-12-13 17:16:52,370 INFO L902 garLoopResultBuilder]: At program point L1550-1(line 1550) the Hoare annotation is: true [2022-12-13 17:16:52,370 INFO L899 garLoopResultBuilder]: For program point L1547(line 1547) no Hoare annotation was computed. [2022-12-13 17:16:52,370 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 1537 1554) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ddv_ioport_request_len~0 0)) (not (= ~ddv_ioport_request_start~0 0))) [2022-12-13 17:16:52,370 INFO L902 garLoopResultBuilder]: At program point L1545(line 1545) the Hoare annotation is: true [2022-12-13 17:16:52,370 INFO L902 garLoopResultBuilder]: At program point L1545-1(line 1545) the Hoare annotation is: true [2022-12-13 17:16:52,370 INFO L895 garLoopResultBuilder]: At program point L1543(line 1543) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ddv_ioport_request_len~0 0)) (not (= ~ddv_ioport_request_start~0 0))) [2022-12-13 17:16:52,370 INFO L899 garLoopResultBuilder]: For program point L1543-1(line 1543) no Hoare annotation was computed. [2022-12-13 17:16:52,371 INFO L899 garLoopResultBuilder]: For program point zf_timer_offFINAL(lines 1537 1554) no Hoare annotation was computed. [2022-12-13 17:16:52,371 INFO L899 garLoopResultBuilder]: For program point L4161(lines 4161 4162) no Hoare annotation was computed. [2022-12-13 17:16:52,371 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4159 4169) the Hoare annotation is: true [2022-12-13 17:16:52,371 INFO L899 garLoopResultBuilder]: For program point spin_lockFINAL(lines 4159 4169) no Hoare annotation was computed. [2022-12-13 17:16:52,371 INFO L899 garLoopResultBuilder]: For program point spin_lockEXIT(lines 4159 4169) no Hoare annotation was computed. [2022-12-13 17:16:52,371 INFO L902 garLoopResultBuilder]: At program point L1522(lines 1522 1532) the Hoare annotation is: true [2022-12-13 17:16:52,371 INFO L902 garLoopResultBuilder]: At program point zf_close_returnLabel#1(lines 1708 1724) the Hoare annotation is: true [2022-12-13 17:16:52,371 INFO L899 garLoopResultBuilder]: For program point L1580(line 1580) no Hoare annotation was computed. [2022-12-13 17:16:52,371 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-12-13 17:16:52,371 INFO L902 garLoopResultBuilder]: At program point L1713(line 1713) the Hoare annotation is: true [2022-12-13 17:16:52,372 INFO L899 garLoopResultBuilder]: For program point L1713-1(line 1713) no Hoare annotation was computed. [2022-12-13 17:16:52,372 INFO L902 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: true [2022-12-13 17:16:52,372 INFO L902 garLoopResultBuilder]: At program point L1565-1(line 1565) the Hoare annotation is: true [2022-12-13 17:16:52,372 INFO L899 garLoopResultBuilder]: For program point L4505(line 4505) no Hoare annotation was computed. [2022-12-13 17:16:52,372 INFO L899 garLoopResultBuilder]: For program point L1524(lines 1524 1531) no Hoare annotation was computed. [2022-12-13 17:16:52,372 INFO L902 garLoopResultBuilder]: At program point L1714(line 1714) the Hoare annotation is: true [2022-12-13 17:16:52,372 INFO L899 garLoopResultBuilder]: For program point L1714-1(line 1714) no Hoare annotation was computed. [2022-12-13 17:16:52,372 INFO L902 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: true [2022-12-13 17:16:52,372 INFO L902 garLoopResultBuilder]: At program point L1582-1(line 1582) the Hoare annotation is: true [2022-12-13 17:16:52,372 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-13 17:16:52,373 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,373 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-12-13 17:16:52,373 INFO L899 garLoopResultBuilder]: For program point L1698(lines 1698 1699) no Hoare annotation was computed. [2022-12-13 17:16:52,373 INFO L902 garLoopResultBuilder]: At program point L1698-2(lines 1698 1699) the Hoare annotation is: true [2022-12-13 17:16:52,373 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-12-13 17:16:52,373 INFO L899 garLoopResultBuilder]: For program point L1525-1(lines 1524 1531) no Hoare annotation was computed. [2022-12-13 17:16:52,373 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,373 INFO L902 garLoopResultBuilder]: At program point zf_open_returnLabel#1(lines 1690 1706) the Hoare annotation is: true [2022-12-13 17:16:52,373 INFO L902 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: true [2022-12-13 17:16:52,373 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-12-13 17:16:52,374 INFO L899 garLoopResultBuilder]: For program point L4515(lines 4515 4521) no Hoare annotation was computed. [2022-12-13 17:16:52,374 INFO L902 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: true [2022-12-13 17:16:52,374 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2022-12-13 17:16:52,374 INFO L902 garLoopResultBuilder]: At program point L1526(line 1526) the Hoare annotation is: true [2022-12-13 17:16:52,374 INFO L902 garLoopResultBuilder]: At program point L1526-1(line 1526) the Hoare annotation is: true [2022-12-13 17:16:52,374 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,374 INFO L899 garLoopResultBuilder]: For program point L4508-1(line 4508) no Hoare annotation was computed. [2022-12-13 17:16:52,374 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,374 INFO L902 garLoopResultBuilder]: At program point L1692(line 1692) the Hoare annotation is: true [2022-12-13 17:16:52,374 INFO L899 garLoopResultBuilder]: For program point L4508-2(line 4508) no Hoare annotation was computed. [2022-12-13 17:16:52,374 INFO L899 garLoopResultBuilder]: For program point L1692-1(line 1692) no Hoare annotation was computed. [2022-12-13 17:16:52,375 INFO L899 garLoopResultBuilder]: For program point L4508(line 4508) no Hoare annotation was computed. [2022-12-13 17:16:52,375 INFO L899 garLoopResultBuilder]: For program point L1560(lines 1560 1586) no Hoare annotation was computed. [2022-12-13 17:16:52,375 INFO L899 garLoopResultBuilder]: For program point L1527(line 1527) no Hoare annotation was computed. [2022-12-13 17:16:52,375 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 1524 1531) no Hoare annotation was computed. [2022-12-13 17:16:52,375 INFO L899 garLoopResultBuilder]: For program point L1717(line 1717) no Hoare annotation was computed. [2022-12-13 17:16:52,375 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-12-13 17:16:52,375 INFO L902 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: true [2022-12-13 17:16:52,375 INFO L902 garLoopResultBuilder]: At program point L1577-1(line 1577) the Hoare annotation is: true [2022-12-13 17:16:52,375 INFO L899 garLoopResultBuilder]: For program point L4517-2(line 4517) no Hoare annotation was computed. [2022-12-13 17:16:52,375 INFO L899 garLoopResultBuilder]: For program point L1701(line 1701) no Hoare annotation was computed. [2022-12-13 17:16:52,376 INFO L902 garLoopResultBuilder]: At program point nonseekable_open_returnLabel#1(line 4504) the Hoare annotation is: true [2022-12-13 17:16:52,376 INFO L899 garLoopResultBuilder]: For program point L4517(line 4517) no Hoare annotation was computed. [2022-12-13 17:16:52,376 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-12-13 17:16:52,376 INFO L899 garLoopResultBuilder]: For program point L4517-1(line 4517) no Hoare annotation was computed. [2022-12-13 17:16:52,376 INFO L902 garLoopResultBuilder]: At program point test_and_set_bit_returnLabel#1(lines 4506 4513) the Hoare annotation is: true [2022-12-13 17:16:52,376 INFO L899 garLoopResultBuilder]: For program point L1693(lines 1693 1696) no Hoare annotation was computed. [2022-12-13 17:16:52,376 INFO L902 garLoopResultBuilder]: At program point L1528(line 1528) the Hoare annotation is: true [2022-12-13 17:16:52,376 INFO L902 garLoopResultBuilder]: At program point L1528-1(line 1528) the Hoare annotation is: true [2022-12-13 17:16:52,376 INFO L899 garLoopResultBuilder]: For program point L1710(lines 1710 1715) no Hoare annotation was computed. [2022-12-13 17:16:52,376 INFO L902 garLoopResultBuilder]: At program point L1710-1(lines 1710 1715) the Hoare annotation is: true [2022-12-13 17:16:52,377 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-12-13 17:16:52,377 INFO L902 garLoopResultBuilder]: At program point L1694(line 1694) the Hoare annotation is: true [2022-12-13 17:16:52,377 INFO L899 garLoopResultBuilder]: For program point L1694-1(line 1694) no Hoare annotation was computed. [2022-12-13 17:16:52,377 INFO L899 garLoopResultBuilder]: For program point L1529(line 1529) no Hoare annotation was computed. [2022-12-13 17:16:52,377 INFO L902 garLoopResultBuilder]: At program point L1719(line 1719) the Hoare annotation is: true [2022-12-13 17:16:52,377 INFO L899 garLoopResultBuilder]: For program point L1719-1(line 1719) no Hoare annotation was computed. [2022-12-13 17:16:52,377 INFO L902 garLoopResultBuilder]: At program point L1711(line 1711) the Hoare annotation is: true [2022-12-13 17:16:52,377 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-12-13 17:16:52,377 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ddv_ioport_request_len~0 0)) (not (= ~number_cdev_registered~0 0)) (not (= ~ddv_ioport_request_start~0 0)) (not (= ~number_timer_registered~0 0)) (not (= ~next_heartbeat~0 0))) [2022-12-13 17:16:52,378 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,378 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ddv_ioport_request_len~0 0)) (not (= ~number_cdev_registered~0 0)) (not (= ~ddv_ioport_request_start~0 0)) (not (= ~number_timer_registered~0 0)) (not (= ~next_heartbeat~0 0))) [2022-12-13 17:16:52,378 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,378 INFO L899 garLoopResultBuilder]: For program point outwFINAL(lines 3968 3970) no Hoare annotation was computed. [2022-12-13 17:16:52,378 INFO L899 garLoopResultBuilder]: For program point outwEXIT(lines 3968 3970) no Hoare annotation was computed. [2022-12-13 17:16:52,378 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3968 3970) the Hoare annotation is: true [2022-12-13 17:16:52,378 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3956 3958) the Hoare annotation is: true [2022-12-13 17:16:52,378 INFO L899 garLoopResultBuilder]: For program point outbEXIT(lines 3956 3958) no Hoare annotation was computed. [2022-12-13 17:16:52,378 INFO L899 garLoopResultBuilder]: For program point outbFINAL(lines 3956 3958) no Hoare annotation was computed. [2022-12-13 17:16:52,379 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 4256 4263) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ddv_ioport_request_len~0 0)) (not (= ~number_cdev_registered~0 0)) (not (= ~ddv_ioport_request_start~0 0)) (not (= ~number_timer_registered~0 0)) (not (= ~next_heartbeat~0 0))) [2022-12-13 17:16:52,379 INFO L899 garLoopResultBuilder]: For program point add_timerEXIT(lines 4256 4263) no Hoare annotation was computed. [2022-12-13 17:16:52,379 INFO L899 garLoopResultBuilder]: For program point add_timerFINAL(lines 4256 4263) no Hoare annotation was computed. [2022-12-13 17:16:52,379 INFO L899 garLoopResultBuilder]: For program point L4209(lines 4209 4213) no Hoare annotation was computed. [2022-12-13 17:16:52,379 INFO L899 garLoopResultBuilder]: For program point spin_unlockFINAL(lines 4207 4214) no Hoare annotation was computed. [2022-12-13 17:16:52,379 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4207 4214) the Hoare annotation is: true [2022-12-13 17:16:52,379 INFO L899 garLoopResultBuilder]: For program point spin_unlockEXIT(lines 4207 4214) no Hoare annotation was computed. [2022-12-13 17:16:52,379 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-12-13 17:16:52,379 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 11) the Hoare annotation is: true [2022-12-13 17:16:52,379 INFO L899 garLoopResultBuilder]: For program point L10-2(lines 9 11) no Hoare annotation was computed. [2022-12-13 17:16:52,380 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 9 11) no Hoare annotation was computed. [2022-12-13 17:16:52,380 INFO L899 garLoopResultBuilder]: For program point release_regionEXIT(lines 3939 3949) no Hoare annotation was computed. [2022-12-13 17:16:52,380 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 3939 3949) the Hoare annotation is: (or (not (= ~number_cdev_registered~0 0)) (and (= |old(~ddv_ioport_request_len~0)| ~ddv_ioport_request_len~0) (= |old(~ddv_ioport_request_start~0)| ~ddv_ioport_request_start~0)) (not (= ~number_timer_registered~0 0)) (not (= ~next_heartbeat~0 0))) [2022-12-13 17:16:52,380 INFO L899 garLoopResultBuilder]: For program point release_regionFINAL(lines 3939 3949) no Hoare annotation was computed. [2022-12-13 17:16:52,380 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_beginFINAL(line 4534) no Hoare annotation was computed. [2022-12-13 17:16:52,380 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_beginEXIT(line 4534) no Hoare annotation was computed. [2022-12-13 17:16:52,380 INFO L899 garLoopResultBuilder]: For program point L4218(lines 4218 4222) no Hoare annotation was computed. [2022-12-13 17:16:52,380 INFO L899 garLoopResultBuilder]: For program point spin_unlock_irqrestoreEXIT(lines 4216 4223) no Hoare annotation was computed. [2022-12-13 17:16:52,380 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 4216 4223) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~number_cdev_registered~0 0))) [2022-12-13 17:16:52,380 INFO L899 garLoopResultBuilder]: For program point spin_unlock_irqrestoreFINAL(lines 4216 4223) no Hoare annotation was computed. [2022-12-13 17:16:52,381 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_endEXIT(line 4535) no Hoare annotation was computed. [2022-12-13 17:16:52,381 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_endFINAL(line 4535) no Hoare annotation was computed. [2022-12-13 17:16:52,381 INFO L899 garLoopResultBuilder]: For program point del_timerEXIT(lines 4271 4274) no Hoare annotation was computed. [2022-12-13 17:16:52,381 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 4271 4274) the Hoare annotation is: true [2022-12-13 17:16:52,381 INFO L899 garLoopResultBuilder]: For program point del_timerFINAL(lines 4271 4274) no Hoare annotation was computed. [2022-12-13 17:16:52,381 INFO L899 garLoopResultBuilder]: For program point spin_lock_irqsaveEXIT(lines 4171 4181) no Hoare annotation was computed. [2022-12-13 17:16:52,381 INFO L899 garLoopResultBuilder]: For program point spin_lock_irqsaveFINAL(lines 4171 4181) no Hoare annotation was computed. [2022-12-13 17:16:52,381 INFO L899 garLoopResultBuilder]: For program point L4173(lines 4173 4174) no Hoare annotation was computed. [2022-12-13 17:16:52,381 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 4171 4181) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= ~ddv_ioport_request_len~0 0)) (not (= ~number_cdev_registered~0 0)) (not (= ~ddv_ioport_request_start~0 0)) (not (= ~number_timer_registered~0 0)) (not (= ~next_heartbeat~0 0))) [2022-12-13 17:16:52,381 INFO L899 garLoopResultBuilder]: For program point zf_get_controlFINAL(lines 1506 1509) no Hoare annotation was computed. [2022-12-13 17:16:52,382 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1506 1509) the Hoare annotation is: true [2022-12-13 17:16:52,382 INFO L899 garLoopResultBuilder]: For program point zf_get_controlEXIT(lines 1506 1509) no Hoare annotation was computed. [2022-12-13 17:16:52,382 INFO L899 garLoopResultBuilder]: For program point L1508(line 1508) no Hoare annotation was computed. [2022-12-13 17:16:52,382 INFO L899 garLoopResultBuilder]: For program point request_regionFINAL(lines 3925 3937) no Hoare annotation was computed. [2022-12-13 17:16:52,382 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3925 3937) the Hoare annotation is: true [2022-12-13 17:16:52,382 INFO L899 garLoopResultBuilder]: For program point request_regionEXIT(lines 3925 3937) no Hoare annotation was computed. [2022-12-13 17:16:52,382 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2673) no Hoare annotation was computed. [2022-12-13 17:16:52,382 INFO L899 garLoopResultBuilder]: For program point L1786(lines 1786 1789) no Hoare annotation was computed. [2022-12-13 17:16:52,382 INFO L899 garLoopResultBuilder]: For program point L2843(line 2843) no Hoare annotation was computed. [2022-12-13 17:16:52,382 INFO L899 garLoopResultBuilder]: For program point L1786-2(lines 1786 1789) no Hoare annotation was computed. [2022-12-13 17:16:52,383 INFO L899 garLoopResultBuilder]: For program point L2777(line 2777) no Hoare annotation was computed. [2022-12-13 17:16:52,383 INFO L902 garLoopResultBuilder]: At program point call_ddv_returnLabel#1(lines 2723 2743) the Hoare annotation is: true [2022-12-13 17:16:52,383 INFO L895 garLoopResultBuilder]: At program point L4363(line 4363) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,383 INFO L899 garLoopResultBuilder]: For program point L4363-1(line 4363) no Hoare annotation was computed. [2022-12-13 17:16:52,383 INFO L899 garLoopResultBuilder]: For program point L2778(lines 2778 2786) no Hoare annotation was computed. [2022-12-13 17:16:52,383 INFO L899 garLoopResultBuilder]: For program point L2811(line 2811) no Hoare annotation was computed. [2022-12-13 17:16:52,383 INFO L899 garLoopResultBuilder]: For program point L2679(lines 2679 2721) no Hoare annotation was computed. [2022-12-13 17:16:52,383 INFO L899 garLoopResultBuilder]: For program point L3505-1(line 3505) no Hoare annotation was computed. [2022-12-13 17:16:52,383 INFO L895 garLoopResultBuilder]: At program point L3505(line 3505) the Hoare annotation is: false [2022-12-13 17:16:52,383 INFO L899 garLoopResultBuilder]: For program point L2878(line 2878) no Hoare annotation was computed. [2022-12-13 17:16:52,383 INFO L899 garLoopResultBuilder]: For program point L2812(lines 2812 2820) no Hoare annotation was computed. [2022-12-13 17:16:52,384 INFO L899 garLoopResultBuilder]: For program point L2713(line 2713) no Hoare annotation was computed. [2022-12-13 17:16:52,384 INFO L895 garLoopResultBuilder]: At program point no_llseek_returnLabel#1(line 4498) the Hoare annotation is: false [2022-12-13 17:16:52,384 INFO L899 garLoopResultBuilder]: For program point L4365(lines 4365 4368) no Hoare annotation was computed. [2022-12-13 17:16:52,384 INFO L899 garLoopResultBuilder]: For program point L3110(lines 3110 3119) no Hoare annotation was computed. [2022-12-13 17:16:52,384 INFO L899 garLoopResultBuilder]: For program point L2846(line 2846) no Hoare annotation was computed. [2022-12-13 17:16:52,384 INFO L895 garLoopResultBuilder]: At program point L4366(line 4366) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,384 INFO L899 garLoopResultBuilder]: For program point L4366-1(line 4366) no Hoare annotation was computed. [2022-12-13 17:16:52,384 INFO L899 garLoopResultBuilder]: For program point L2847(lines 2847 2848) no Hoare annotation was computed. [2022-12-13 17:16:52,384 INFO L895 garLoopResultBuilder]: At program point L2748(lines 2748 2899) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,384 INFO L899 garLoopResultBuilder]: For program point L2847-2(lines 2847 2855) no Hoare annotation was computed. [2022-12-13 17:16:52,385 INFO L899 garLoopResultBuilder]: For program point L2881(line 2881) no Hoare annotation was computed. [2022-12-13 17:16:52,385 INFO L895 garLoopResultBuilder]: At program point L2782(lines 2782 2785) the Hoare annotation is: false [2022-12-13 17:16:52,385 INFO L899 garLoopResultBuilder]: For program point L2782-1(lines 2782 2785) no Hoare annotation was computed. [2022-12-13 17:16:52,385 INFO L899 garLoopResultBuilder]: For program point L2683-1(lines 2683 2720) no Hoare annotation was computed. [2022-12-13 17:16:52,385 INFO L895 garLoopResultBuilder]: At program point L2683-3(lines 2683 2720) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,385 INFO L895 garLoopResultBuilder]: At program point L2816(lines 2816 2819) the Hoare annotation is: false [2022-12-13 17:16:52,385 INFO L899 garLoopResultBuilder]: For program point L2849-1(lines 2849 2850) no Hoare annotation was computed. [2022-12-13 17:16:52,385 INFO L895 garLoopResultBuilder]: At program point L2849(lines 2849 2850) the Hoare annotation is: false [2022-12-13 17:16:52,385 INFO L899 garLoopResultBuilder]: For program point L2816-1(lines 2816 2819) no Hoare annotation was computed. [2022-12-13 17:16:52,385 INFO L899 garLoopResultBuilder]: For program point L2717(line 2717) no Hoare annotation was computed. [2022-12-13 17:16:52,386 INFO L895 garLoopResultBuilder]: At program point L3114(line 3114) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,386 INFO L899 garLoopResultBuilder]: For program point L3114-1(line 3114) no Hoare annotation was computed. [2022-12-13 17:16:52,386 INFO L895 garLoopResultBuilder]: At program point L1793(line 1793) the Hoare annotation is: false [2022-12-13 17:16:52,386 INFO L895 garLoopResultBuilder]: At program point L1793-1(line 1793) the Hoare annotation is: false [2022-12-13 17:16:52,386 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2673) no Hoare annotation was computed. [2022-12-13 17:16:52,386 INFO L899 garLoopResultBuilder]: For program point L2884(line 2884) no Hoare annotation was computed. [2022-12-13 17:16:52,386 INFO L899 garLoopResultBuilder]: For program point L1794(line 1794) no Hoare annotation was computed. [2022-12-13 17:16:52,386 INFO L895 garLoopResultBuilder]: At program point L2686(lines 2686 2719) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,386 INFO L899 garLoopResultBuilder]: For program point L3116(lines 3116 3118) no Hoare annotation was computed. [2022-12-13 17:16:52,387 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1848 1855) the Hoare annotation is: true [2022-12-13 17:16:52,387 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4252) no Hoare annotation was computed. [2022-12-13 17:16:52,387 INFO L899 garLoopResultBuilder]: For program point L2852(lines 2852 2854) no Hoare annotation was computed. [2022-12-13 17:16:52,387 INFO L895 garLoopResultBuilder]: At program point L1828(lines 1775 1833) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,387 INFO L899 garLoopResultBuilder]: For program point L2687(line 2687) no Hoare annotation was computed. [2022-12-13 17:16:52,387 INFO L899 garLoopResultBuilder]: For program point L3117-1(line 3117) no Hoare annotation was computed. [2022-12-13 17:16:52,387 INFO L895 garLoopResultBuilder]: At program point L3117(line 3117) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,387 INFO L899 garLoopResultBuilder]: For program point L1830(line 1830) no Hoare annotation was computed. [2022-12-13 17:16:52,387 INFO L899 garLoopResultBuilder]: For program point L2887(line 2887) no Hoare annotation was computed. [2022-12-13 17:16:52,387 INFO L899 garLoopResultBuilder]: For program point L1797(lines 1797 1801) no Hoare annotation was computed. [2022-12-13 17:16:52,388 INFO L899 garLoopResultBuilder]: For program point L2788(line 2788) no Hoare annotation was computed. [2022-12-13 17:16:52,388 INFO L895 garLoopResultBuilder]: At program point L1500(line 1500) the Hoare annotation is: false [2022-12-13 17:16:52,388 INFO L895 garLoopResultBuilder]: At program point L1500-1(line 1500) the Hoare annotation is: false [2022-12-13 17:16:52,388 INFO L899 garLoopResultBuilder]: For program point L1500-2(lines 1498 1501) no Hoare annotation was computed. [2022-12-13 17:16:52,388 INFO L895 garLoopResultBuilder]: At program point ##fun~~TO~int_returnLabel#1(line -1) the Hoare annotation is: (let ((.cse0 (= ~ddv_ioport_request_len~0 0)) (.cse1 (= ~ddv_ioport_request_start~0 0)) (.cse2 (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|)) (.cse3 (<= |ULTIMATE.start_init_kernel_~i~1#1| 1)) (.cse4 (= ~number_cdev_registered~0 0))) (or (and .cse0 .cse1 .cse2 (= ~number_timer_registered~0 0) .cse3 (= ~next_heartbeat~0 0) .cse4) (and (= 0 ~fixed_cdev_used~0) .cse0 (<= (+ 19 |ULTIMATE.start_zf_init_#res#1|) 0) .cse1 .cse2 .cse3 .cse4 (<= (+ |ULTIMATE.start_##fun~~TO~int_#res#1| 19) 0)))) [2022-12-13 17:16:52,388 INFO L895 garLoopResultBuilder]: At program point L1831(lines 1775 1833) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,388 INFO L895 garLoopResultBuilder]: At program point L1798(lines 1798 1799) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,388 INFO L899 garLoopResultBuilder]: For program point L1798-1(lines 1798 1799) no Hoare annotation was computed. [2022-12-13 17:16:52,388 INFO L895 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~~loff_t~0~X~int~TO~~loff_t~0_returnLabel#1(line -1) the Hoare annotation is: false [2022-12-13 17:16:52,389 INFO L899 garLoopResultBuilder]: For program point L2823(line 2823) no Hoare annotation was computed. [2022-12-13 17:16:52,389 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3498) no Hoare annotation was computed. [2022-12-13 17:16:52,389 INFO L899 garLoopResultBuilder]: For program point L2890(line 2890) no Hoare annotation was computed. [2022-12-13 17:16:52,389 INFO L899 garLoopResultBuilder]: For program point L2857(line 2857) no Hoare annotation was computed. [2022-12-13 17:16:52,389 INFO L899 garLoopResultBuilder]: For program point L1767(lines 1767 1772) no Hoare annotation was computed. [2022-12-13 17:16:52,389 INFO L899 garLoopResultBuilder]: For program point L2791(line 2791) no Hoare annotation was computed. [2022-12-13 17:16:52,389 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3498) no Hoare annotation was computed. [2022-12-13 17:16:52,389 INFO L899 garLoopResultBuilder]: For program point L4245(lines 4245 4254) no Hoare annotation was computed. [2022-12-13 17:16:52,389 INFO L899 garLoopResultBuilder]: For program point L2792(lines 2792 2800) no Hoare annotation was computed. [2022-12-13 17:16:52,389 INFO L899 garLoopResultBuilder]: For program point L2759(lines 2759 2761) no Hoare annotation was computed. [2022-12-13 17:16:52,390 INFO L899 garLoopResultBuilder]: For program point L2826(line 2826) no Hoare annotation was computed. [2022-12-13 17:16:52,390 INFO L899 garLoopResultBuilder]: For program point L4247(lines 4247 4253) no Hoare annotation was computed. [2022-12-13 17:16:52,390 INFO L899 garLoopResultBuilder]: For program point L2860(line 2860) no Hoare annotation was computed. [2022-12-13 17:16:52,390 INFO L899 garLoopResultBuilder]: For program point L2893(line 2893) no Hoare annotation was computed. [2022-12-13 17:16:52,390 INFO L895 garLoopResultBuilder]: At program point L1803(line 1803) the Hoare annotation is: false [2022-12-13 17:16:52,390 INFO L899 garLoopResultBuilder]: For program point L1803-1(lines 1803 1808) no Hoare annotation was computed. [2022-12-13 17:16:52,390 INFO L895 garLoopResultBuilder]: At program point L1804(lines 1804 1805) the Hoare annotation is: false [2022-12-13 17:16:52,390 INFO L895 garLoopResultBuilder]: At program point L1771(line 1771) the Hoare annotation is: false [2022-12-13 17:16:52,390 INFO L899 garLoopResultBuilder]: For program point L1804-1(lines 1804 1805) no Hoare annotation was computed. [2022-12-13 17:16:52,390 INFO L899 garLoopResultBuilder]: For program point L1771-1(line 1771) no Hoare annotation was computed. [2022-12-13 17:16:52,390 INFO L899 garLoopResultBuilder]: For program point L2663(lines 2663 2677) no Hoare annotation was computed. [2022-12-13 17:16:52,391 INFO L895 garLoopResultBuilder]: At program point L1838(line 1838) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1)) [2022-12-13 17:16:52,391 INFO L895 garLoopResultBuilder]: At program point L2796(lines 2796 2799) the Hoare annotation is: false [2022-12-13 17:16:52,391 INFO L902 garLoopResultBuilder]: At program point L1838-1(line 1838) the Hoare annotation is: true [2022-12-13 17:16:52,391 INFO L899 garLoopResultBuilder]: For program point L2829(line 2829) no Hoare annotation was computed. [2022-12-13 17:16:52,391 INFO L895 garLoopResultBuilder]: At program point zf_init_no_reboot#1(lines 1775 1833) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,391 INFO L899 garLoopResultBuilder]: For program point L2796-1(lines 2796 2799) no Hoare annotation was computed. [2022-12-13 17:16:52,391 INFO L899 garLoopResultBuilder]: For program point L3094(lines 3094 3106) no Hoare annotation was computed. [2022-12-13 17:16:52,391 INFO L899 garLoopResultBuilder]: For program point L2896(line 2896) no Hoare annotation was computed. [2022-12-13 17:16:52,391 INFO L899 garLoopResultBuilder]: For program point L2863(line 2863) no Hoare annotation was computed. [2022-12-13 17:16:52,391 INFO L895 garLoopResultBuilder]: At program point L2764(line 2764) the Hoare annotation is: false [2022-12-13 17:16:52,392 INFO L899 garLoopResultBuilder]: For program point L2698(line 2698) no Hoare annotation was computed. [2022-12-13 17:16:52,392 INFO L899 garLoopResultBuilder]: For program point L2764-1(line 2764) no Hoare annotation was computed. [2022-12-13 17:16:52,392 INFO L902 garLoopResultBuilder]: At program point ##fun~~TO~VOID_returnLabel#1(line -1) the Hoare annotation is: true [2022-12-13 17:16:52,392 INFO L899 garLoopResultBuilder]: For program point L3029(lines 3029 3041) no Hoare annotation was computed. [2022-12-13 17:16:52,392 INFO L899 garLoopResultBuilder]: For program point L1840(line 1840) no Hoare annotation was computed. [2022-12-13 17:16:52,392 INFO L899 garLoopResultBuilder]: For program point L4252-1(line 4252) no Hoare annotation was computed. [2022-12-13 17:16:52,392 INFO L899 garLoopResultBuilder]: For program point L4252(line 4252) no Hoare annotation was computed. [2022-12-13 17:16:52,392 INFO L899 garLoopResultBuilder]: For program point L2832(line 2832) no Hoare annotation was computed. [2022-12-13 17:16:52,392 INFO L895 garLoopResultBuilder]: At program point L2766(lines 2766 2898) the Hoare annotation is: false [2022-12-13 17:16:52,392 INFO L899 garLoopResultBuilder]: For program point L2733(lines 2733 2735) no Hoare annotation was computed. [2022-12-13 17:16:52,393 INFO L899 garLoopResultBuilder]: For program point L2667-1(line 2667) no Hoare annotation was computed. [2022-12-13 17:16:52,393 INFO L895 garLoopResultBuilder]: At program point L2667(line 2667) the Hoare annotation is: (and (= 0 ~fixed_cdev_used~0) (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (= ~number_timer_registered~0 0) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,393 INFO L895 garLoopResultBuilder]: At program point register_reboot_notifier_returnLabel#1(line 4523) the Hoare annotation is: false [2022-12-13 17:16:52,393 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,393 INFO L899 garLoopResultBuilder]: For program point L3097-1(line 3097) no Hoare annotation was computed. [2022-12-13 17:16:52,393 INFO L895 garLoopResultBuilder]: At program point L3097(line 3097) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,393 INFO L899 garLoopResultBuilder]: For program point L2866(line 2866) no Hoare annotation was computed. [2022-12-13 17:16:52,393 INFO L902 garLoopResultBuilder]: At program point L1842(line 1842) the Hoare annotation is: true [2022-12-13 17:16:52,393 INFO L899 garLoopResultBuilder]: For program point L1842-1(lines 1836 1843) no Hoare annotation was computed. [2022-12-13 17:16:52,393 INFO L899 garLoopResultBuilder]: For program point L2833(lines 2833 2834) no Hoare annotation was computed. [2022-12-13 17:16:52,394 INFO L899 garLoopResultBuilder]: For program point L2767(line 2767) no Hoare annotation was computed. [2022-12-13 17:16:52,394 INFO L899 garLoopResultBuilder]: For program point L2833-2(lines 2833 2841) no Hoare annotation was computed. [2022-12-13 17:16:52,394 INFO L899 garLoopResultBuilder]: For program point L2768(lines 2768 2775) no Hoare annotation was computed. [2022-12-13 17:16:52,394 INFO L899 garLoopResultBuilder]: For program point L2669-3(line 2669) no Hoare annotation was computed. [2022-12-13 17:16:52,394 INFO L899 garLoopResultBuilder]: For program point L2669-2(lines 2669 2671) no Hoare annotation was computed. [2022-12-13 17:16:52,394 INFO L895 garLoopResultBuilder]: At program point L2669-5(lines 2669 2671) the Hoare annotation is: (let ((.cse0 (= 0 ~fixed_cdev_used~0)) (.cse1 (= ~ddv_ioport_request_len~0 0)) (.cse2 (= ~ddv_ioport_request_start~0 0)) (.cse3 (= ~number_timer_registered~0 0)) (.cse4 (= ~next_heartbeat~0 0)) (.cse5 (= ~number_cdev_registered~0 0))) (or (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_init_kernel_~i~1#1| 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-12-13 17:16:52,394 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4252) no Hoare annotation was computed. [2022-12-13 17:16:52,394 INFO L899 garLoopResultBuilder]: For program point L2669-4(line 2669) no Hoare annotation was computed. [2022-12-13 17:16:52,394 INFO L899 garLoopResultBuilder]: For program point L2669-6(lines 2669 2671) no Hoare annotation was computed. [2022-12-13 17:16:52,394 INFO L899 garLoopResultBuilder]: For program point L3099(lines 3099 3100) no Hoare annotation was computed. [2022-12-13 17:16:52,395 INFO L899 garLoopResultBuilder]: For program point L3099-2(lines 3099 3105) no Hoare annotation was computed. [2022-12-13 17:16:52,395 INFO L899 garLoopResultBuilder]: For program point L1811(lines 1811 1815) no Hoare annotation was computed. [2022-12-13 17:16:52,395 INFO L899 garLoopResultBuilder]: For program point L2802(line 2802) no Hoare annotation was computed. [2022-12-13 17:16:52,395 INFO L899 garLoopResultBuilder]: For program point L2835-1(lines 2835 2836) no Hoare annotation was computed. [2022-12-13 17:16:52,395 INFO L895 garLoopResultBuilder]: At program point L1778(line 1778) the Hoare annotation is: (and (= 0 ~fixed_cdev_used~0) (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,395 INFO L895 garLoopResultBuilder]: At program point L2835(lines 2835 2836) the Hoare annotation is: false [2022-12-13 17:16:52,395 INFO L899 garLoopResultBuilder]: For program point L1778-1(line 1778) no Hoare annotation was computed. [2022-12-13 17:16:52,395 INFO L899 garLoopResultBuilder]: For program point L2703(line 2703) no Hoare annotation was computed. [2022-12-13 17:16:52,395 INFO L899 garLoopResultBuilder]: For program point L3496(lines 3496 3508) no Hoare annotation was computed. [2022-12-13 17:16:52,395 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2669) no Hoare annotation was computed. [2022-12-13 17:16:52,395 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,396 INFO L902 garLoopResultBuilder]: At program point unregister_reboot_notifier_returnLabel#1(line 4525) the Hoare annotation is: true [2022-12-13 17:16:52,396 INFO L895 garLoopResultBuilder]: At program point L1812(lines 1812 1813) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,396 INFO L899 garLoopResultBuilder]: For program point L2869(line 2869) no Hoare annotation was computed. [2022-12-13 17:16:52,396 INFO L899 garLoopResultBuilder]: For program point L1812-1(lines 1812 1813) no Hoare annotation was computed. [2022-12-13 17:16:52,396 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2669) no Hoare annotation was computed. [2022-12-13 17:16:52,396 INFO L899 garLoopResultBuilder]: For program point L3035-1(line 3035) no Hoare annotation was computed. [2022-12-13 17:16:52,396 INFO L895 garLoopResultBuilder]: At program point L3035(line 3035) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,396 INFO L895 garLoopResultBuilder]: At program point L1780(line 1780) the Hoare annotation is: (and (= 0 ~fixed_cdev_used~0) (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,396 INFO L899 garLoopResultBuilder]: For program point L1780-1(line 1780) no Hoare annotation was computed. [2022-12-13 17:16:52,397 INFO L899 garLoopResultBuilder]: For program point L3498(line 3498) no Hoare annotation was computed. [2022-12-13 17:16:52,397 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,397 INFO L899 garLoopResultBuilder]: For program point L3498-1(line 3498) no Hoare annotation was computed. [2022-12-13 17:16:52,397 INFO L895 garLoopResultBuilder]: At program point L3102(line 3102) the Hoare annotation is: (and (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,397 INFO L899 garLoopResultBuilder]: For program point L3102-1(line 3102) no Hoare annotation was computed. [2022-12-13 17:16:52,397 INFO L899 garLoopResultBuilder]: For program point L2838(lines 2838 2840) no Hoare annotation was computed. [2022-12-13 17:16:52,397 INFO L899 garLoopResultBuilder]: For program point L1781(lines 1781 1784) no Hoare annotation was computed. [2022-12-13 17:16:52,397 INFO L899 garLoopResultBuilder]: For program point L2805(line 2805) no Hoare annotation was computed. [2022-12-13 17:16:52,397 INFO L899 garLoopResultBuilder]: For program point L2673-3(line 2673) no Hoare annotation was computed. [2022-12-13 17:16:52,397 INFO L899 garLoopResultBuilder]: For program point L2673-2(lines 2673 2676) no Hoare annotation was computed. [2022-12-13 17:16:52,398 INFO L895 garLoopResultBuilder]: At program point L2673-5(lines 2673 2676) the Hoare annotation is: (let ((.cse0 (= 0 ~fixed_cdev_used~0)) (.cse1 (= ~ddv_ioport_request_len~0 0)) (.cse2 (= ~ddv_ioport_request_start~0 0)) (.cse3 (= ~number_timer_registered~0 0)) (.cse4 (= ~next_heartbeat~0 0)) (.cse5 (= ~number_cdev_registered~0 0))) (or (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) .cse3 (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_init_kernel_~i~1#1| 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-12-13 17:16:52,398 INFO L899 garLoopResultBuilder]: For program point L2673-4(line 2673) no Hoare annotation was computed. [2022-12-13 17:16:52,398 INFO L895 garLoopResultBuilder]: At program point zf_init_returnLabel#1(lines 1774 1833) the Hoare annotation is: (let ((.cse0 (= ~ddv_ioport_request_len~0 0)) (.cse1 (= ~ddv_ioport_request_start~0 0)) (.cse2 (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|)) (.cse3 (<= |ULTIMATE.start_init_kernel_~i~1#1| 1)) (.cse4 (= ~number_cdev_registered~0 0))) (or (and .cse0 .cse1 .cse2 (= ~number_timer_registered~0 0) .cse3 (= ~next_heartbeat~0 0) .cse4) (and (= 0 ~fixed_cdev_used~0) .cse0 (<= (+ 19 |ULTIMATE.start_zf_init_#res#1|) 0) .cse1 .cse2 .cse3 .cse4))) [2022-12-13 17:16:52,398 INFO L899 garLoopResultBuilder]: For program point L3037(lines 3037 3040) no Hoare annotation was computed. [2022-12-13 17:16:52,398 INFO L899 garLoopResultBuilder]: For program point L3037-2(lines 3037 3040) no Hoare annotation was computed. [2022-12-13 17:16:52,398 INFO L899 garLoopResultBuilder]: For program point L2872(line 2872) no Hoare annotation was computed. [2022-12-13 17:16:52,398 INFO L895 garLoopResultBuilder]: At program point L1782(line 1782) the Hoare annotation is: (and (= 0 ~fixed_cdev_used~0) (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~number_cdev_registered~0 0)) [2022-12-13 17:16:52,398 INFO L899 garLoopResultBuilder]: For program point L1782-1(line 1782) no Hoare annotation was computed. [2022-12-13 17:16:52,398 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,398 INFO L899 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,398 INFO L899 garLoopResultBuilder]: For program point L2708(line 2708) no Hoare annotation was computed. [2022-12-13 17:16:52,399 INFO L899 garLoopResultBuilder]: For program point L4360(lines 4360 4369) no Hoare annotation was computed. [2022-12-13 17:16:52,399 INFO L899 garLoopResultBuilder]: For program point L2808(line 2808) no Hoare annotation was computed. [2022-12-13 17:16:52,399 INFO L895 garLoopResultBuilder]: At program point L1818(line 1818) the Hoare annotation is: false [2022-12-13 17:16:52,399 INFO L899 garLoopResultBuilder]: For program point L2875(line 2875) no Hoare annotation was computed. [2022-12-13 17:16:52,399 INFO L899 garLoopResultBuilder]: For program point L1818-1(line 1818) no Hoare annotation was computed. [2022-12-13 17:16:52,399 INFO L895 garLoopResultBuilder]: At program point misc_register_returnLabel#1(lines 3491 3509) the Hoare annotation is: false [2022-12-13 17:16:52,399 INFO L902 garLoopResultBuilder]: At program point zf_ioctl_returnLabel#1(lines 1665 1688) the Hoare annotation is: true [2022-12-13 17:16:52,399 INFO L899 garLoopResultBuilder]: For program point L3260(line 3260) no Hoare annotation was computed. [2022-12-13 17:16:52,399 INFO L899 garLoopResultBuilder]: For program point L1683(line 1683) no Hoare annotation was computed. [2022-12-13 17:16:52,399 INFO L899 garLoopResultBuilder]: For program point L1679(line 1679) no Hoare annotation was computed. [2022-12-13 17:16:52,399 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-13 17:16:52,399 INFO L899 garLoopResultBuilder]: For program point L1671(line 1671) no Hoare annotation was computed. [2022-12-13 17:16:52,399 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,399 INFO L902 garLoopResultBuilder]: At program point L3267(lines 3267 3268) the Hoare annotation is: true [2022-12-13 17:16:52,399 INFO L902 garLoopResultBuilder]: At program point L3259(lines 3259 3260) the Hoare annotation is: true [2022-12-13 17:16:52,400 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,400 INFO L902 garLoopResultBuilder]: At program point L1680(line 1680) the Hoare annotation is: true [2022-12-13 17:16:52,400 INFO L899 garLoopResultBuilder]: For program point L1676(line 1676) no Hoare annotation was computed. [2022-12-13 17:16:52,400 INFO L899 garLoopResultBuilder]: For program point L1672(lines 1672 1673) no Hoare annotation was computed. [2022-12-13 17:16:52,400 INFO L902 garLoopResultBuilder]: At program point copy_to_user_returnLabel#1(lines 3265 3271) the Hoare annotation is: true [2022-12-13 17:16:52,400 INFO L902 garLoopResultBuilder]: At program point L1670(lines 1670 1685) the Hoare annotation is: true [2022-12-13 17:16:52,400 INFO L899 garLoopResultBuilder]: For program point L3268(line 3268) no Hoare annotation was computed. [2022-12-13 17:16:52,400 INFO L902 garLoopResultBuilder]: At program point put_user_returnLabel#1(lines 3257 3263) the Hoare annotation is: true [2022-12-13 17:16:52,400 INFO L899 garLoopResultBuilder]: For program point cdev_addFINAL(lines 3846 3869) no Hoare annotation was computed. [2022-12-13 17:16:52,400 INFO L899 garLoopResultBuilder]: For program point cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3862) no Hoare annotation was computed. [2022-12-13 17:16:52,400 INFO L899 garLoopResultBuilder]: For program point L3862(line 3862) no Hoare annotation was computed. [2022-12-13 17:16:52,400 INFO L899 garLoopResultBuilder]: For program point L3862-1(line 3862) no Hoare annotation was computed. [2022-12-13 17:16:52,400 INFO L899 garLoopResultBuilder]: For program point cdev_addEXIT(lines 3846 3869) no Hoare annotation was computed. [2022-12-13 17:16:52,400 INFO L899 garLoopResultBuilder]: For program point L3854(lines 3854 3866) no Hoare annotation was computed. [2022-12-13 17:16:52,400 INFO L899 garLoopResultBuilder]: For program point L3855(lines 3855 3865) no Hoare annotation was computed. [2022-12-13 17:16:52,400 INFO L902 garLoopResultBuilder]: At program point L3852(line 3852) the Hoare annotation is: true [2022-12-13 17:16:52,401 INFO L899 garLoopResultBuilder]: For program point L3852-1(lines 3847 3869) no Hoare annotation was computed. [2022-12-13 17:16:52,401 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 3846 3869) the Hoare annotation is: true [2022-12-13 17:16:52,401 INFO L899 garLoopResultBuilder]: For program point cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3862) no Hoare annotation was computed. [2022-12-13 17:16:52,401 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,401 INFO L899 garLoopResultBuilder]: For program point L1646(lines 1646 1649) no Hoare annotation was computed. [2022-12-13 17:16:52,401 INFO L899 garLoopResultBuilder]: For program point L3244(line 3244) no Hoare annotation was computed. [2022-12-13 17:16:52,401 INFO L899 garLoopResultBuilder]: For program point L1644(lines 1644 1645) no Hoare annotation was computed. [2022-12-13 17:16:52,401 INFO L902 garLoopResultBuilder]: At program point get_user_returnLabel#1(lines 3241 3247) the Hoare annotation is: true [2022-12-13 17:16:52,401 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-13 17:16:52,401 INFO L899 garLoopResultBuilder]: For program point L1642-2(lines 1642 1650) no Hoare annotation was computed. [2022-12-13 17:16:52,401 INFO L902 garLoopResultBuilder]: At program point L1642-3(lines 1642 1650) the Hoare annotation is: true [2022-12-13 17:16:52,401 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1651) no Hoare annotation was computed. [2022-12-13 17:16:52,401 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 1632 1651) no Hoare annotation was computed. [2022-12-13 17:16:52,401 INFO L902 garLoopResultBuilder]: At program point zf_write_returnLabel#1(lines 1622 1663) the Hoare annotation is: true [2022-12-13 17:16:52,401 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1660) no Hoare annotation was computed. [2022-12-13 17:16:52,402 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-12-13 17:16:52,402 INFO L899 garLoopResultBuilder]: For program point L1626-2(lines 1626 1660) no Hoare annotation was computed. [2022-12-13 17:16:52,402 INFO L902 garLoopResultBuilder]: At program point L3243(lines 3243 3244) the Hoare annotation is: true [2022-12-13 17:16:52,402 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1511 1514) the Hoare annotation is: true [2022-12-13 17:16:52,402 INFO L902 garLoopResultBuilder]: At program point L1513(line 1513) the Hoare annotation is: true [2022-12-13 17:16:52,402 INFO L902 garLoopResultBuilder]: At program point L1513-1(line 1513) the Hoare annotation is: true [2022-12-13 17:16:52,402 INFO L899 garLoopResultBuilder]: For program point zf_set_controlEXIT(lines 1511 1514) no Hoare annotation was computed. [2022-12-13 17:16:52,402 INFO L899 garLoopResultBuilder]: For program point zf_set_controlFINAL(lines 1511 1514) no Hoare annotation was computed. [2022-12-13 17:16:52,404 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:52,406 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:16:52,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:16:52 BoogieIcfgContainer [2022-12-13 17:16:52,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:16:52,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:16:52,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:16:52,420 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:16:52,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:16:10" (3/4) ... [2022-12-13 17:16:52,422 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 17:16:52,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2022-12-13 17:16:52,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2022-12-13 17:16:52,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2022-12-13 17:16:52,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2022-12-13 17:16:52,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2022-12-13 17:16:52,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2022-12-13 17:16:52,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2022-12-13 17:16:52,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2022-12-13 17:16:52,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2022-12-13 17:16:52,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-13 17:16:52,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-12-13 17:16:52,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2022-12-13 17:16:52,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2022-12-13 17:16:52,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2022-12-13 17:16:52,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2022-12-13 17:16:52,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-13 17:16:52,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2022-12-13 17:16:52,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2022-12-13 17:16:52,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2022-12-13 17:16:52,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2022-12-13 17:16:52,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2022-12-13 17:16:52,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2022-12-13 17:16:52,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2022-12-13 17:16:52,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2022-12-13 17:16:52,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-12-13 17:16:52,428 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2022-12-13 17:16:52,429 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-13 17:16:52,429 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2022-12-13 17:16:52,438 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 147 nodes and edges [2022-12-13 17:16:52,439 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2022-12-13 17:16:52,440 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-13 17:16:52,441 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 17:16:52,442 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 17:16:52,442 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 17:16:52,461 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((ddv_ioport_request_len == 0 && ddv_ioport_request_start == 0) && 1 <= i) && number_timer_registered == 0) && i <= 1) && next_heartbeat == 0) && number_cdev_registered == 0) || ((((((0 == fixed_cdev_used && ddv_ioport_request_len == 0) && 19 + \result <= 0) && ddv_ioport_request_start == 0) && 1 <= i) && i <= 1) && number_cdev_registered == 0) [2022-12-13 17:16:52,461 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((ddv_ioport_request_len == 0 && ddv_ioport_request_start == 0) && 1 <= i) && number_timer_registered == 0) && i <= 1) && next_heartbeat == 0) && number_cdev_registered == 0) || (((((((0 == fixed_cdev_used && ddv_ioport_request_len == 0) && 19 + \result <= 0) && ddv_ioport_request_start == 0) && 1 <= i) && i <= 1) && number_cdev_registered == 0) && \result + 19 <= 0) [2022-12-13 17:16:52,508 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:16:52,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:16:52,509 INFO L158 Benchmark]: Toolchain (without parser) took 45733.63ms. Allocated memory was 155.2MB in the beginning and 564.1MB in the end (delta: 408.9MB). Free memory was 106.0MB in the beginning and 202.9MB in the end (delta: -96.9MB). Peak memory consumption was 312.4MB. Max. memory is 16.1GB. [2022-12-13 17:16:52,509 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:16:52,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1245.14ms. Allocated memory is still 155.2MB. Free memory was 106.0MB in the beginning and 108.4MB in the end (delta: -2.4MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. [2022-12-13 17:16:52,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.39ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 98.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 17:16:52,509 INFO L158 Benchmark]: Boogie Preprocessor took 77.90ms. Allocated memory is still 155.2MB. Free memory was 98.6MB in the beginning and 90.9MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 17:16:52,509 INFO L158 Benchmark]: RCFGBuilder took 1799.86ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 90.9MB in the beginning and 62.7MB in the end (delta: 28.2MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2022-12-13 17:16:52,510 INFO L158 Benchmark]: TraceAbstraction took 42411.99ms. Allocated memory was 186.6MB in the beginning and 564.1MB in the end (delta: 377.5MB). Free memory was 61.7MB in the beginning and 222.0MB in the end (delta: -160.3MB). Peak memory consumption was 217.2MB. Max. memory is 16.1GB. [2022-12-13 17:16:52,510 INFO L158 Benchmark]: Witness Printer took 88.87ms. Allocated memory is still 564.1MB. Free memory was 222.0MB in the beginning and 202.9MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 17:16:52,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 96.5MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1245.14ms. Allocated memory is still 155.2MB. Free memory was 106.0MB in the beginning and 108.4MB in the end (delta: -2.4MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.39ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 98.6MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.90ms. Allocated memory is still 155.2MB. Free memory was 98.6MB in the beginning and 90.9MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1799.86ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 90.9MB in the beginning and 62.7MB in the end (delta: 28.2MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. * TraceAbstraction took 42411.99ms. Allocated memory was 186.6MB in the beginning and 564.1MB in the end (delta: 377.5MB). Free memory was 61.7MB in the beginning and 222.0MB in the end (delta: -160.3MB). Peak memory consumption was 217.2MB. Max. memory is 16.1GB. * Witness Printer took 88.87ms. Allocated memory is still 564.1MB. Free memory was 222.0MB in the beginning and 202.9MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3963]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3963]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4517]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4508]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2669]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2669]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 2673]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3498]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3498]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 4252]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3862]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3862]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 396 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 42.3s, OverallIterations: 17, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 15.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7192 SdHoareTripleChecker+Valid, 14.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6769 mSDsluCounter, 28017 SdHoareTripleChecker+Invalid, 12.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21188 mSDsCounter, 2631 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11585 IncrementalHoareTripleChecker+Invalid, 14216 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2631 mSolverCounterUnsat, 6829 mSDtfsCounter, 11585 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 840 GetRequests, 665 SyntacticMatches, 11 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2284occurred in iteration=13, InterpolantAutomatonStates: 137, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 17 MinimizatonAttempts, 1414 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 134 LocationsWithAnnotation, 4284 PreInvPairs, 4454 NumberOfFragments, 1142 HoareAnnotationTreeSize, 4284 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 134 FomulaSimplificationsInter, 1400 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 19.7s InterpolantComputationTime, 1784 NumberOfCodeBlocks, 1784 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1899 ConstructedInterpolants, 0 QuantifiedInterpolants, 28041 SizeOfPredicates, 17 NumberOfNonLiveVariables, 5060 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 25 InterpolantComputations, 14 PerfectInterpolantSequences, 2061/2409 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 20 specifications checked. All of them hold - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: (((((ddv_ioport_request_len == 0 && ddv_ioport_request_start == 0) && 1 <= i) && number_timer_registered == 0) && i <= 1) && next_heartbeat == 0) && number_cdev_registered == 0 - InvariantResult [Line: 1690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((((!(ddv_ioport_request_len == 0) || !(number_cdev_registered == 0)) || !(0 == fixed_cdev_used)) || !(ddv_ioport_request_start == 0)) || !(number_timer_registered == 0)) || !(next_heartbeat == 0) - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: (((1 <= i && number_timer_registered == 0) && i <= 1) && next_heartbeat == 0) && number_cdev_registered == 0 - InvariantResult [Line: 2723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1665]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: (((((ddv_ioport_request_len == 0 && ddv_ioport_request_start == 0) && 1 <= i) && number_timer_registered == 0) && i <= 1) && next_heartbeat == 0) && number_cdev_registered == 0 - InvariantResult [Line: 1522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2673]: Loop Invariant Derived loop invariant: (((((((0 == fixed_cdev_used && ddv_ioport_request_len == 0) && ddv_ioport_request_start == 0) && 1 <= i) && number_timer_registered == 0) && i <= 1) && next_heartbeat == 0) && number_cdev_registered == 0) || ((((((0 == fixed_cdev_used && i == 0) && ddv_ioport_request_len == 0) && ddv_ioport_request_start == 0) && number_timer_registered == 0) && next_heartbeat == 0) && number_cdev_registered == 0) - InvariantResult [Line: 1642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2683]: Loop Invariant Derived loop invariant: (((((ddv_ioport_request_len == 0 && ddv_ioport_request_start == 0) && 1 <= i) && number_timer_registered == 0) && i <= 1) && next_heartbeat == 0) && number_cdev_registered == 0 - InvariantResult [Line: 3491]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2748]: Loop Invariant Derived loop invariant: (((((ddv_ioport_request_len == 0 && ddv_ioport_request_start == 0) && 1 <= i) && number_timer_registered == 0) && i <= 1) && next_heartbeat == 0) && number_cdev_registered == 0 - InvariantResult [Line: 1774]: Loop Invariant Derived loop invariant: ((((((ddv_ioport_request_len == 0 && ddv_ioport_request_start == 0) && 1 <= i) && number_timer_registered == 0) && i <= 1) && next_heartbeat == 0) && number_cdev_registered == 0) || ((((((0 == fixed_cdev_used && ddv_ioport_request_len == 0) && 19 + \result <= 0) && ddv_ioport_request_start == 0) && 1 <= i) && i <= 1) && number_cdev_registered == 0) - InvariantResult [Line: 2669]: Loop Invariant Derived loop invariant: ((((((0 == fixed_cdev_used && ddv_ioport_request_len == 0) && ddv_ioport_request_start == 0) && 1 <= i) && number_timer_registered == 0) && next_heartbeat == 0) && number_cdev_registered == 0) || ((((((0 == fixed_cdev_used && i == 0) && ddv_ioport_request_len == 0) && ddv_ioport_request_start == 0) && number_timer_registered == 0) && next_heartbeat == 0) && number_cdev_registered == 0) - InvariantResult [Line: 2686]: Loop Invariant Derived loop invariant: (((((ddv_ioport_request_len == 0 && ddv_ioport_request_start == 0) && 1 <= i) && number_timer_registered == 0) && i <= 1) && next_heartbeat == 0) && number_cdev_registered == 0 - InvariantResult [Line: 3241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1670]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3960]: Loop Invariant Derived loop invariant: ((((!(ddv_ioport_request_len == 0) || !(number_cdev_registered == 0)) || !(0 == fixed_cdev_used)) || !(ddv_ioport_request_start == 0)) || !(number_timer_registered == 0)) || !(next_heartbeat == 0) - InvariantResult [Line: 4498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 4504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ((((((ddv_ioport_request_len == 0 && ddv_ioport_request_start == 0) && 1 <= i) && number_timer_registered == 0) && i <= 1) && next_heartbeat == 0) && number_cdev_registered == 0) || (((((((0 == fixed_cdev_used && ddv_ioport_request_len == 0) && 19 + \result <= 0) && ddv_ioport_request_start == 0) && 1 <= i) && i <= 1) && number_cdev_registered == 0) && \result + 19 <= 0) RESULT: Ultimate proved your program to be correct! [2022-12-13 17:16:52,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f35467cd-a793-4983-a087-42a562be70ad/bin/uautomizer-uyxdKDjOR8/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