./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro --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-8393723 [2022-11-18 19:54:25,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:54:25,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:54:25,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:54:25,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:54:25,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:54:25,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:54:25,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:54:25,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:54:25,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:54:25,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:54:25,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:54:25,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:54:25,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:54:25,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:54:25,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:54:25,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:54:25,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:54:25,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:54:25,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:54:25,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:54:25,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:54:25,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:54:25,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:54:25,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:54:25,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:54:25,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:54:25,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:54:25,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:54:25,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:54:25,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:54:25,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:54:25,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:54:25,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:54:25,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:54:25,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:54:25,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:54:25,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:54:25,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:54:25,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:54:25,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:54:25,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 19:54:25,854 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:54:25,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:54:25,855 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:54:25,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:54:25,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:54:25,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:54:25,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:54:25,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:54:25,857 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:54:25,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:54:25,858 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:54:25,858 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:54:25,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:54:25,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:54:25,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:54:25,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:54:25,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:54:25,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:54:25,860 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 19:54:25,860 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:54:25,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:54:25,860 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:54:25,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:54:25,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:54:25,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:54:25,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:54:25,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:54:25,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:54:25,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:54:25,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:54:25,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:54:25,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:54:25,863 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:54:25,863 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:54:25,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:54:25,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2022-11-18 19:54:26,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:54:26,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:54:26,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:54:26,184 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:54:26,185 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:54:26,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-11-18 19:54:26,276 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/data/c26ca70bf/dc8a536732574a18ac36bcc78e454b8d/FLAG6bf7c6c80 [2022-11-18 19:54:26,949 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:54:26,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2022-11-18 19:54:26,985 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/data/c26ca70bf/dc8a536732574a18ac36bcc78e454b8d/FLAG6bf7c6c80 [2022-11-18 19:54:27,102 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/data/c26ca70bf/dc8a536732574a18ac36bcc78e454b8d [2022-11-18 19:54:27,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:54:27,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:54:27,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:54:27,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:54:27,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:54:27,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:54:27" (1/1) ... [2022-11-18 19:54:27,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1dcd17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:27, skipping insertion in model container [2022-11-18 19:54:27,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:54:27" (1/1) ... [2022-11-18 19:54:27,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:54:27,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:54:27,461 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-11-18 19:54:28,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:54:28,957 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:54:28,971 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2022-11-18 19:54:29,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:54:29,372 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:54:29,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:29 WrapperNode [2022-11-18 19:54:29,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:54:29,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:54:29,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:54:29,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:54:29,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:29" (1/1) ... [2022-11-18 19:54:29,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:29" (1/1) ... [2022-11-18 19:54:29,577 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 38, statements flattened = 1036 [2022-11-18 19:54:29,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:54:29,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:54:29,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:54:29,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:54:29,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:29" (1/1) ... [2022-11-18 19:54:29,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:29" (1/1) ... [2022-11-18 19:54:29,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:29" (1/1) ... [2022-11-18 19:54:29,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:29" (1/1) ... [2022-11-18 19:54:29,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:29" (1/1) ... [2022-11-18 19:54:29,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:29" (1/1) ... [2022-11-18 19:54:29,650 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:29" (1/1) ... [2022-11-18 19:54:29,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:29" (1/1) ... [2022-11-18 19:54:29,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:54:29,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:54:29,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:54:29,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:54:29,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:29" (1/1) ... [2022-11-18 19:54:29,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:54:29,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:54:29,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:54:29,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:54:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-18 19:54:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-18 19:54:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 19:54:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-18 19:54:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 19:54:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 19:54:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:54:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 19:54:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 19:54:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 19:54:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-18 19:54:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-18 19:54:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-18 19:54:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 19:54:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:54:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:54:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-18 19:54:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-18 19:54:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:54:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:54:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:54:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:54:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-18 19:54:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-18 19:54:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-18 19:54:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-18 19:54:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-18 19:54:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-18 19:54:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:54:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:54:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-18 19:54:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-18 19:54:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:54:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:54:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:54:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-18 19:54:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-18 19:54:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:54:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:54:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-18 19:54:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-18 19:54:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-18 19:54:29,787 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-18 19:54:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-18 19:54:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-18 19:54:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:54:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-18 19:54:29,788 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-18 19:54:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-18 19:54:29,789 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-18 19:54:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-18 19:54:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-18 19:54:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-18 19:54:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-18 19:54:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-18 19:54:29,793 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-18 19:54:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-18 19:54:29,793 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-18 19:54:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:54:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-18 19:54:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-18 19:54:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-18 19:54:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-18 19:54:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-18 19:54:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-18 19:54:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 19:54:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 19:54:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 19:54:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 19:54:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:54:30,253 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:54:30,259 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:54:32,916 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:54:32,927 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:54:32,928 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 19:54:32,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:54:32 BoogieIcfgContainer [2022-11-18 19:54:32,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:54:32,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:54:32,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:54:32,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:54:32,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:54:27" (1/3) ... [2022-11-18 19:54:32,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16581d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:54:32, skipping insertion in model container [2022-11-18 19:54:32,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:54:29" (2/3) ... [2022-11-18 19:54:32,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16581d18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:54:32, skipping insertion in model container [2022-11-18 19:54:32,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:54:32" (3/3) ... [2022-11-18 19:54:32,941 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2022-11-18 19:54:32,964 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:54:32,964 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-18 19:54:33,083 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:54:33,093 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;@77d74921, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:54:33,094 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-11-18 19:54:33,103 INFO L276 IsEmpty]: Start isEmpty. Operand has 388 states, 265 states have (on average 1.4) internal successors, (371), 289 states have internal predecessors, (371), 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) [2022-11-18 19:54:33,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-18 19:54:33,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:33,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:33,114 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:54:33,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:33,123 INFO L85 PathProgramCache]: Analyzing trace with hash -680319668, now seen corresponding path program 1 times [2022-11-18 19:54:33,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:33,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321745189] [2022-11-18 19:54:33,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:33,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:33,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:33,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:54:33,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:33,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321745189] [2022-11-18 19:54:33,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321745189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:33,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:33,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:54:33,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874530080] [2022-11-18 19:54:33,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:33,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:54:33,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:33,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:54:33,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:54:33,986 INFO L87 Difference]: Start difference. First operand has 388 states, 265 states have (on average 1.4) internal successors, (371), 289 states have internal predecessors, (371), 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) [2022-11-18 19:54:36,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:36,046 INFO L93 Difference]: Finished difference Result 786 states and 1090 transitions. [2022-11-18 19:54:36,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:54:36,049 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 [2022-11-18 19:54:36,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:36,062 INFO L225 Difference]: With dead ends: 786 [2022-11-18 19:54:36,062 INFO L226 Difference]: Without dead ends: 395 [2022-11-18 19:54:36,076 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 [2022-11-18 19:54:36,083 INFO L413 NwaCegarLoop]: 435 mSDtfsCounter, 107 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:36,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 1460 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-18 19:54:36,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2022-11-18 19:54:36,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 382. [2022-11-18 19:54:36,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 262 states have (on average 1.3778625954198473) internal successors, (361), 286 states have internal predecessors, (361), 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) [2022-11-18 19:54:36,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 512 transitions. [2022-11-18 19:54:36,172 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 512 transitions. Word has length 10 [2022-11-18 19:54:36,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:36,173 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 512 transitions. [2022-11-18 19:54:36,173 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) [2022-11-18 19:54:36,173 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 512 transitions. [2022-11-18 19:54:36,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-18 19:54:36,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:36,175 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:36,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:54:36,176 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:54:36,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:36,176 INFO L85 PathProgramCache]: Analyzing trace with hash -201002232, now seen corresponding path program 1 times [2022-11-18 19:54:36,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:36,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456257645] [2022-11-18 19:54:36,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:36,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:36,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 19:54:36,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:36,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456257645] [2022-11-18 19:54:36,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456257645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:36,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:36,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:54:36,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699131092] [2022-11-18 19:54:36,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:36,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:54:36,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:36,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:54:36,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:54:36,408 INFO L87 Difference]: Start difference. First operand 382 states and 512 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2022-11-18 19:54:37,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:37,558 INFO L93 Difference]: Finished difference Result 390 states and 522 transitions. [2022-11-18 19:54:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:54:37,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 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 [2022-11-18 19:54:37,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:37,563 INFO L225 Difference]: With dead ends: 390 [2022-11-18 19:54:37,563 INFO L226 Difference]: Without dead ends: 389 [2022-11-18 19:54:37,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:54:37,565 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 108 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:37,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 1406 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 19:54:37,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-11-18 19:54:37,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 381. [2022-11-18 19:54:37,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 262 states have (on average 1.3740458015267176) 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) [2022-11-18 19:54:37,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 511 transitions. [2022-11-18 19:54:37,616 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 511 transitions. Word has length 14 [2022-11-18 19:54:37,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:37,616 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 511 transitions. [2022-11-18 19:54:37,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2022-11-18 19:54:37,617 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 511 transitions. [2022-11-18 19:54:37,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-18 19:54:37,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:37,618 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:37,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:54:37,620 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:54:37,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:37,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1936101629, now seen corresponding path program 1 times [2022-11-18 19:54:37,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:37,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064540907] [2022-11-18 19:54:37,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:37,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:37,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:37,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:54:37,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:37,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064540907] [2022-11-18 19:54:37,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064540907] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:54:37,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497693680] [2022-11-18 19:54:37,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:37,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:54:37,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:54:37,966 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:54:37,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:54:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:38,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 19:54:38,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:54:38,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:54:38,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:54:38,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497693680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:38,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:54:38,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2022-11-18 19:54:38,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100135136] [2022-11-18 19:54:38,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:38,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:54:38,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:38,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:54:38,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:54:38,417 INFO L87 Difference]: Start difference. First operand 381 states and 511 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 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) [2022-11-18 19:54:38,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:38,593 INFO L93 Difference]: Finished difference Result 386 states and 516 transitions. [2022-11-18 19:54:38,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:54:38,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 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 [2022-11-18 19:54:38,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:38,597 INFO L225 Difference]: With dead ends: 386 [2022-11-18 19:54:38,598 INFO L226 Difference]: Without dead ends: 385 [2022-11-18 19:54:38,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:54:38,599 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 355 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:38,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 1290 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:54:38,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-11-18 19:54:38,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 377. [2022-11-18 19:54:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 259 states have (on average 1.3745173745173744) internal successors, (356), 281 states have internal predecessors, (356), 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) [2022-11-18 19:54:38,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 507 transitions. [2022-11-18 19:54:38,624 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 507 transitions. Word has length 15 [2022-11-18 19:54:38,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:38,625 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 507 transitions. [2022-11-18 19:54:38,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 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) [2022-11-18 19:54:38,625 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 507 transitions. [2022-11-18 19:54:38,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-18 19:54:38,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:38,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:38,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:54:38,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:54:38,834 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:54:38,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:38,835 INFO L85 PathProgramCache]: Analyzing trace with hash 108797102, now seen corresponding path program 1 times [2022-11-18 19:54:38,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:38,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899535598] [2022-11-18 19:54:38,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:38,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:39,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:39,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:54:39,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:39,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899535598] [2022-11-18 19:54:39,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899535598] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:54:39,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863315614] [2022-11-18 19:54:39,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:39,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:54:39,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:54:39,159 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:54:39,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:54:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:39,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:54:39,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:54:39,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:54:39,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:54:39,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:54:39,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863315614] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:54:39,634 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:54:39,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-11-18 19:54:39,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257075615] [2022-11-18 19:54:39,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:54:39,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 19:54:39,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:39,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 19:54:39,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:54:39,638 INFO L87 Difference]: Start difference. First operand 377 states and 507 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) [2022-11-18 19:54:40,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:40,880 INFO L93 Difference]: Finished difference Result 766 states and 1028 transitions. [2022-11-18 19:54:40,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:54:40,881 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 [2022-11-18 19:54:40,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:40,883 INFO L225 Difference]: With dead ends: 766 [2022-11-18 19:54:40,883 INFO L226 Difference]: Without dead ends: 398 [2022-11-18 19:54:40,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-11-18 19:54:40,886 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 138 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:40,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1792 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:54:40,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-11-18 19:54:40,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 385. [2022-11-18 19:54:40,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 267 states have (on average 1.3632958801498127) 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) [2022-11-18 19:54:40,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 515 transitions. [2022-11-18 19:54:40,906 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 515 transitions. Word has length 16 [2022-11-18 19:54:40,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:40,906 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 515 transitions. [2022-11-18 19:54:40,906 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) [2022-11-18 19:54:40,907 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 515 transitions. [2022-11-18 19:54:40,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-18 19:54:40,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:40,907 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:40,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:54:41,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:54:41,115 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:54:41,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:41,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1086554074, now seen corresponding path program 2 times [2022-11-18 19:54:41,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:41,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152892344] [2022-11-18 19:54:41,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:41,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:41,444 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-18 19:54:41,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:41,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152892344] [2022-11-18 19:54:41,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152892344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:41,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:41,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:54:41,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930005466] [2022-11-18 19:54:41,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:41,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:54:41,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:41,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:54:41,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:54:41,447 INFO L87 Difference]: Start difference. First operand 385 states and 515 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) [2022-11-18 19:54:42,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:42,522 INFO L93 Difference]: Finished difference Result 398 states and 530 transitions. [2022-11-18 19:54:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:54:42,523 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 [2022-11-18 19:54:42,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:42,525 INFO L225 Difference]: With dead ends: 398 [2022-11-18 19:54:42,525 INFO L226 Difference]: Without dead ends: 396 [2022-11-18 19:54:42,526 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 [2022-11-18 19:54:42,526 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 104 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 1408 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:42,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 1408 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 19:54:42,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2022-11-18 19:54:42,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 388. [2022-11-18 19:54:42,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 270 states have (on average 1.3592592592592592) internal successors, (367), 292 states have internal predecessors, (367), 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) [2022-11-18 19:54:42,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 518 transitions. [2022-11-18 19:54:42,547 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 518 transitions. Word has length 24 [2022-11-18 19:54:42,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:42,548 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 518 transitions. [2022-11-18 19:54:42,548 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) [2022-11-18 19:54:42,548 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 518 transitions. [2022-11-18 19:54:42,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-18 19:54:42,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:42,549 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:42,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:54:42,550 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:54:42,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:42,550 INFO L85 PathProgramCache]: Analyzing trace with hash -812006046, now seen corresponding path program 1 times [2022-11-18 19:54:42,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:42,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289985219] [2022-11-18 19:54:42,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:42,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:42,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:42,839 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-18 19:54:42,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:42,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289985219] [2022-11-18 19:54:42,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289985219] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:54:42,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485470908] [2022-11-18 19:54:42,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:42,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:54:42,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:54:42,847 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:54:42,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 19:54:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:43,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 19:54:43,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:54:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:54:43,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:54:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:54:43,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485470908] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:54:43,582 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:54:43,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 20 [2022-11-18 19:54:43,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240892088] [2022-11-18 19:54:43,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:54:43,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-18 19:54:43,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:43,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-18 19:54:43,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-11-18 19:54:43,583 INFO L87 Difference]: Start difference. First operand 388 states and 518 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) [2022-11-18 19:54:45,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:45,584 INFO L93 Difference]: Finished difference Result 778 states and 1042 transitions. [2022-11-18 19:54:45,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 19:54:45,590 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 [2022-11-18 19:54:45,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:45,593 INFO L225 Difference]: With dead ends: 778 [2022-11-18 19:54:45,616 INFO L226 Difference]: Without dead ends: 407 [2022-11-18 19:54:45,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=566, Unknown=0, NotChecked=0, Total=756 [2022-11-18 19:54:45,622 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 663 mSDsluCounter, 2676 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 3091 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:45,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 3091 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1161 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-18 19:54:45,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-11-18 19:54:45,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 399. [2022-11-18 19:54:45,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 283 states have (on average 1.332155477031802) internal successors, (377), 303 states have internal predecessors, (377), 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) [2022-11-18 19:54:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 528 transitions. [2022-11-18 19:54:45,655 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 528 transitions. Word has length 28 [2022-11-18 19:54:45,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:45,655 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 528 transitions. [2022-11-18 19:54:45,657 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) [2022-11-18 19:54:45,657 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 528 transitions. [2022-11-18 19:54:45,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-18 19:54:45,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:45,662 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] [2022-11-18 19:54:45,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:54:45,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:54:45,870 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:54:45,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:45,870 INFO L85 PathProgramCache]: Analyzing trace with hash -462555872, now seen corresponding path program 1 times [2022-11-18 19:54:45,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:45,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346346226] [2022-11-18 19:54:45,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:45,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:46,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-18 19:54:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:46,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:54:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-18 19:54:46,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:46,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346346226] [2022-11-18 19:54:46,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346346226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:46,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:46,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:54:46,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478950605] [2022-11-18 19:54:46,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:46,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:54:46,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:46,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:54:46,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:54:46,289 INFO L87 Difference]: Start difference. First operand 399 states and 528 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) [2022-11-18 19:54:47,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:47,961 INFO L93 Difference]: Finished difference Result 708 states and 947 transitions. [2022-11-18 19:54:47,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:54:47,961 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 [2022-11-18 19:54:47,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:47,965 INFO L225 Difference]: With dead ends: 708 [2022-11-18 19:54:47,965 INFO L226 Difference]: Without dead ends: 704 [2022-11-18 19:54:47,966 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 [2022-11-18 19:54:47,966 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 570 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:47,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 1052 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-18 19:54:47,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2022-11-18 19:54:48,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 682. [2022-11-18 19:54:48,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 486 states have (on average 1.3477366255144032) internal successors, (655), 510 states have internal predecessors, (655), 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) [2022-11-18 19:54:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 922 transitions. [2022-11-18 19:54:48,020 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 922 transitions. Word has length 58 [2022-11-18 19:54:48,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:48,022 INFO L495 AbstractCegarLoop]: Abstraction has 682 states and 922 transitions. [2022-11-18 19:54:48,022 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) [2022-11-18 19:54:48,022 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 922 transitions. [2022-11-18 19:54:48,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-18 19:54:48,026 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:48,026 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] [2022-11-18 19:54:48,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:54:48,027 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:54:48,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:48,027 INFO L85 PathProgramCache]: Analyzing trace with hash 143917888, now seen corresponding path program 1 times [2022-11-18 19:54:48,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:48,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618200849] [2022-11-18 19:54:48,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:48,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:48,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-18 19:54:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-18 19:54:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:48,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:48,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-18 19:54:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:48,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:54:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:48,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 19:54:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:48,507 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-18 19:54:48,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:48,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618200849] [2022-11-18 19:54:48,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618200849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:48,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:48,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:54:48,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460808251] [2022-11-18 19:54:48,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:48,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:54:48,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:48,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:54:48,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:54:48,513 INFO L87 Difference]: Start difference. First operand 682 states and 922 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) [2022-11-18 19:54:49,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:49,939 INFO L93 Difference]: Finished difference Result 1595 states and 2173 transitions. [2022-11-18 19:54:49,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:54:49,940 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 [2022-11-18 19:54:49,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:49,946 INFO L225 Difference]: With dead ends: 1595 [2022-11-18 19:54:49,946 INFO L226 Difference]: Without dead ends: 987 [2022-11-18 19:54:49,948 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 [2022-11-18 19:54:49,949 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 533 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:49,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 1467 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 19:54:49,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2022-11-18 19:54:49,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 957. [2022-11-18 19:54:49,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 685 states have (on average 1.3518248175182481) internal successors, (926), 712 states have internal predecessors, (926), 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) [2022-11-18 19:54:50,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1307 transitions. [2022-11-18 19:54:50,003 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1307 transitions. Word has length 84 [2022-11-18 19:54:50,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:50,004 INFO L495 AbstractCegarLoop]: Abstraction has 957 states and 1307 transitions. [2022-11-18 19:54:50,004 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) [2022-11-18 19:54:50,004 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1307 transitions. [2022-11-18 19:54:50,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-18 19:54:50,006 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:50,006 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] [2022-11-18 19:54:50,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:54:50,007 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:54:50,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:50,008 INFO L85 PathProgramCache]: Analyzing trace with hash 360158848, now seen corresponding path program 1 times [2022-11-18 19:54:50,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:50,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877828439] [2022-11-18 19:54:50,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:50,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-18 19:54:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-18 19:54:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 19:54:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-18 19:54:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 19:54:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:54:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:50,838 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-18 19:54:50,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:50,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877828439] [2022-11-18 19:54:50,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877828439] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:54:50,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975549732] [2022-11-18 19:54:50,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:50,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:54:50,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:54:50,840 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:54:50,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 19:54:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:51,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 19:54:51,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:54:51,532 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-18 19:54:51,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:54:51,807 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-18 19:54:51,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975549732] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:54:51,808 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:54:51,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2022-11-18 19:54:51,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034027632] [2022-11-18 19:54:51,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:54:51,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-18 19:54:51,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:51,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-18 19:54:51,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2022-11-18 19:54:51,810 INFO L87 Difference]: Start difference. First operand 957 states and 1307 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) [2022-11-18 19:54:53,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:53,673 INFO L93 Difference]: Finished difference Result 1917 states and 2624 transitions. [2022-11-18 19:54:53,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-18 19:54:53,674 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 [2022-11-18 19:54:53,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:53,683 INFO L225 Difference]: With dead ends: 1917 [2022-11-18 19:54:53,683 INFO L226 Difference]: Without dead ends: 993 [2022-11-18 19:54:53,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 190 SyntacticMatches, 11 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=300, Invalid=756, Unknown=0, NotChecked=0, Total=1056 [2022-11-18 19:54:53,691 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 162 mSDsluCounter, 2842 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 3257 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:53,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 3257 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-18 19:54:53,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2022-11-18 19:54:53,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 969. [2022-11-18 19:54:53,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 969 states, 697 states have (on average 1.345767575322812) internal successors, (938), 724 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) [2022-11-18 19:54:53,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1319 transitions. [2022-11-18 19:54:53,751 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1319 transitions. Word has length 96 [2022-11-18 19:54:53,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:53,751 INFO L495 AbstractCegarLoop]: Abstraction has 969 states and 1319 transitions. [2022-11-18 19:54:53,752 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) [2022-11-18 19:54:53,752 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1319 transitions. [2022-11-18 19:54:53,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-18 19:54:53,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:53,761 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] [2022-11-18 19:54:53,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:54:53,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:54:53,970 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:54:53,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:53,970 INFO L85 PathProgramCache]: Analyzing trace with hash -919173452, now seen corresponding path program 2 times [2022-11-18 19:54:53,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:53,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716862529] [2022-11-18 19:54:53,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:53,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:54,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:54:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:54,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:54:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:54,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:54,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 19:54:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 19:54:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:54,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 19:54:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:54,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-18 19:54:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-11-18 19:54:54,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:54,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716862529] [2022-11-18 19:54:54,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716862529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:54,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:54,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:54:54,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715863588] [2022-11-18 19:54:54,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:54,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:54:54,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:54,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:54:54,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:54:54,332 INFO L87 Difference]: Start difference. First operand 969 states and 1319 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) [2022-11-18 19:54:55,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:55,701 INFO L93 Difference]: Finished difference Result 1010 states and 1357 transitions. [2022-11-18 19:54:55,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:54:55,701 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 [2022-11-18 19:54:55,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:55,706 INFO L225 Difference]: With dead ends: 1010 [2022-11-18 19:54:55,706 INFO L226 Difference]: Without dead ends: 725 [2022-11-18 19:54:55,707 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 [2022-11-18 19:54:55,708 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 101 mSDsluCounter, 1366 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 1785 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:55,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 1785 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 19:54:55,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2022-11-18 19:54:55,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 709. [2022-11-18 19:54:55,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 512 states have (on average 1.32421875) internal successors, (678), 534 states have internal predecessors, (678), 134 states have call successors, (134), 51 states have call predecessors, (134), 51 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2022-11-18 19:54:55,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 945 transitions. [2022-11-18 19:54:55,755 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 945 transitions. Word has length 108 [2022-11-18 19:54:55,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:55,757 INFO L495 AbstractCegarLoop]: Abstraction has 709 states and 945 transitions. [2022-11-18 19:54:55,757 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) [2022-11-18 19:54:55,757 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 945 transitions. [2022-11-18 19:54:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-18 19:54:55,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:55,759 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] [2022-11-18 19:54:55,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 19:54:55,759 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:54:55,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:55,760 INFO L85 PathProgramCache]: Analyzing trace with hash -250547932, now seen corresponding path program 1 times [2022-11-18 19:54:55,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:55,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746502238] [2022-11-18 19:54:55,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:55,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:56,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:54:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:56,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:54:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:56,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:56,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:54:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:56,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:54:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:56,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-18 19:54:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:56,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 19:54:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:56,285 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-11-18 19:54:56,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:56,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746502238] [2022-11-18 19:54:56,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746502238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:56,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:56,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:54:56,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310012392] [2022-11-18 19:54:56,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:56,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:54:56,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:56,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:54:56,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:54:56,289 INFO L87 Difference]: Start difference. First operand 709 states and 945 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) [2022-11-18 19:54:57,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:57,599 INFO L93 Difference]: Finished difference Result 1631 states and 2161 transitions. [2022-11-18 19:54:57,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:54:57,603 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 107 [2022-11-18 19:54:57,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:57,608 INFO L225 Difference]: With dead ends: 1631 [2022-11-18 19:54:57,608 INFO L226 Difference]: Without dead ends: 1013 [2022-11-18 19:54:57,610 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 [2022-11-18 19:54:57,611 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 323 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:57,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 1445 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:54:57,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2022-11-18 19:54:57,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 983. [2022-11-18 19:54:57,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 700 states have (on average 1.2885714285714285) internal successors, (902), 723 states have internal predecessors, (902), 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) [2022-11-18 19:54:57,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1280 transitions. [2022-11-18 19:54:57,658 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1280 transitions. Word has length 107 [2022-11-18 19:54:57,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:57,659 INFO L495 AbstractCegarLoop]: Abstraction has 983 states and 1280 transitions. [2022-11-18 19:54:57,659 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) [2022-11-18 19:54:57,659 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1280 transitions. [2022-11-18 19:54:57,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-18 19:54:57,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:57,662 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] [2022-11-18 19:54:57,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 19:54:57,662 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:54:57,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:57,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1602626840, now seen corresponding path program 1 times [2022-11-18 19:54:57,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:57,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230761759] [2022-11-18 19:54:57,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:57,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:54:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:54:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:54:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:54:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-18 19:54:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:54:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 19:54:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 19:54:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:54:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 19:54:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 19:54:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:58,238 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-18 19:54:58,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:58,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230761759] [2022-11-18 19:54:58,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230761759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:58,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:58,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:54:58,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225832391] [2022-11-18 19:54:58,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:58,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:54:58,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:58,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:54:58,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:54:58,243 INFO L87 Difference]: Start difference. First operand 983 states and 1280 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) [2022-11-18 19:55:01,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:01,132 INFO L93 Difference]: Finished difference Result 1837 states and 2409 transitions. [2022-11-18 19:55:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:55:01,133 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 [2022-11-18 19:55:01,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:01,146 INFO L225 Difference]: With dead ends: 1837 [2022-11-18 19:55:01,146 INFO L226 Difference]: Without dead ends: 1425 [2022-11-18 19:55:01,148 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 [2022-11-18 19:55:01,149 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 1044 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 575 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1092 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 1744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 575 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:01,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1092 Valid, 906 Invalid, 1744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [575 Valid, 1169 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-18 19:55:01,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2022-11-18 19:55:01,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1381. [2022-11-18 19:55:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1381 states, 982 states have (on average 1.2973523421588595) internal successors, (1274), 1011 states have internal predecessors, (1274), 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) [2022-11-18 19:55:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1815 transitions. [2022-11-18 19:55:01,244 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1815 transitions. Word has length 142 [2022-11-18 19:55:01,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:01,245 INFO L495 AbstractCegarLoop]: Abstraction has 1381 states and 1815 transitions. [2022-11-18 19:55:01,245 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) [2022-11-18 19:55:01,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1815 transitions. [2022-11-18 19:55:01,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-18 19:55:01,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:01,248 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] [2022-11-18 19:55:01,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 19:55:01,248 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:55:01,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:01,249 INFO L85 PathProgramCache]: Analyzing trace with hash 962525322, now seen corresponding path program 1 times [2022-11-18 19:55:01,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:01,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30991426] [2022-11-18 19:55:01,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:01,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:01,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:55:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:01,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:55:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:01,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:01,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:55:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:01,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:55:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-18 19:55:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:01,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:55:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:01,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:01,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 19:55:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:01,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:55:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:01,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-18 19:55:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:01,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 19:55:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:01,858 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-18 19:55:01,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:01,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30991426] [2022-11-18 19:55:01,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30991426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:01,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:01,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:55:01,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780277132] [2022-11-18 19:55:01,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:01,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:55:01,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:01,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:55:01,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:55:01,861 INFO L87 Difference]: Start difference. First operand 1381 states and 1815 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-18 19:55:03,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:03,481 INFO L93 Difference]: Finished difference Result 1439 states and 1861 transitions. [2022-11-18 19:55:03,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:55:03,482 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 143 [2022-11-18 19:55:03,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:03,486 INFO L225 Difference]: With dead ends: 1439 [2022-11-18 19:55:03,486 INFO L226 Difference]: Without dead ends: 587 [2022-11-18 19:55:03,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:55:03,489 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 209 mSDsluCounter, 1440 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:03,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 1797 Invalid, 1101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-18 19:55:03,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2022-11-18 19:55:03,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 575. [2022-11-18 19:55:03,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 413 states have (on average 1.242130750605327) internal successors, (513), 428 states have internal predecessors, (513), 104 states have call successors, (104), 50 states have call predecessors, (104), 50 states have return successors, (102), 102 states have call predecessors, (102), 101 states have call successors, (102) [2022-11-18 19:55:03,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 719 transitions. [2022-11-18 19:55:03,537 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 719 transitions. Word has length 143 [2022-11-18 19:55:03,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:03,538 INFO L495 AbstractCegarLoop]: Abstraction has 575 states and 719 transitions. [2022-11-18 19:55:03,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-18 19:55:03,538 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 719 transitions. [2022-11-18 19:55:03,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-18 19:55:03,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:03,542 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 6, 6, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:03,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 19:55:03,542 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:55:03,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:03,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1317659988, now seen corresponding path program 1 times [2022-11-18 19:55:03,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:03,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980444634] [2022-11-18 19:55:03,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:03,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:55:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:55:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:55:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-18 19:55:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-18 19:55:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-18 19:55:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-18 19:55:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 19:55:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-18 19:55:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 19:55:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 19:55:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-18 19:55:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 19:55:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-18 19:55:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:05,461 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-11-18 19:55:05,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:05,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980444634] [2022-11-18 19:55:05,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980444634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:05,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:05,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:55:05,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024741482] [2022-11-18 19:55:05,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:05,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:55:05,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:05,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:55:05,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:55:05,464 INFO L87 Difference]: Start difference. First operand 575 states and 719 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-18 19:55:10,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:10,406 INFO L93 Difference]: Finished difference Result 1511 states and 1951 transitions. [2022-11-18 19:55:10,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 19:55:10,407 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 170 [2022-11-18 19:55:10,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:10,413 INFO L225 Difference]: With dead ends: 1511 [2022-11-18 19:55:10,413 INFO L226 Difference]: Without dead ends: 1001 [2022-11-18 19:55:10,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2022-11-18 19:55:10,416 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 986 mSDsluCounter, 1550 mSDsCounter, 0 mSdLazyCounter, 2414 mSolverCounterSat, 464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1036 SdHoareTripleChecker+Valid, 1905 SdHoareTripleChecker+Invalid, 2878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 464 IncrementalHoareTripleChecker+Valid, 2414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:10,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1036 Valid, 1905 Invalid, 2878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [464 Valid, 2414 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-18 19:55:10,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2022-11-18 19:55:10,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 575. [2022-11-18 19:55:10,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 413 states have (on average 1.2397094430992737) internal successors, (512), 428 states have internal predecessors, (512), 104 states have call successors, (104), 50 states have call predecessors, (104), 50 states have return successors, (102), 102 states have call predecessors, (102), 101 states have call successors, (102) [2022-11-18 19:55:10,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 718 transitions. [2022-11-18 19:55:10,476 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 718 transitions. Word has length 170 [2022-11-18 19:55:10,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:10,476 INFO L495 AbstractCegarLoop]: Abstraction has 575 states and 718 transitions. [2022-11-18 19:55:10,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-18 19:55:10,477 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 718 transitions. [2022-11-18 19:55:10,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-18 19:55:10,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:10,480 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 6, 6, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:10,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 19:55:10,480 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:55:10,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:10,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1653856584, now seen corresponding path program 1 times [2022-11-18 19:55:10,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:10,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654301098] [2022-11-18 19:55:10,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:10,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:55:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:55:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 19:55:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 19:55:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:55:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 19:55:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 19:55:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 19:55:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 19:55:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:55:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 19:55:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:11,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-18 19:55:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:12,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:55:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:12,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-18 19:55:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:12,020 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-11-18 19:55:12,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:12,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654301098] [2022-11-18 19:55:12,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654301098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:12,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:12,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:55:12,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530115286] [2022-11-18 19:55:12,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:12,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:55:12,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:12,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:55:12,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:55:12,023 INFO L87 Difference]: Start difference. First operand 575 states and 718 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:55:15,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:15,438 INFO L93 Difference]: Finished difference Result 1344 states and 1756 transitions. [2022-11-18 19:55:15,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:55:15,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 172 [2022-11-18 19:55:15,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:15,444 INFO L225 Difference]: With dead ends: 1344 [2022-11-18 19:55:15,444 INFO L226 Difference]: Without dead ends: 933 [2022-11-18 19:55:15,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:55:15,446 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 788 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 354 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 354 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:15,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 806 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [354 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-18 19:55:15,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2022-11-18 19:55:15,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 910. [2022-11-18 19:55:15,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 656 states have (on average 1.2835365853658536) internal successors, (842), 676 states have internal predecessors, (842), 168 states have call successors, (168), 81 states have call predecessors, (168), 78 states have return successors, (166), 161 states have call predecessors, (166), 161 states have call successors, (166) [2022-11-18 19:55:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1176 transitions. [2022-11-18 19:55:15,533 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1176 transitions. Word has length 172 [2022-11-18 19:55:15,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:15,534 INFO L495 AbstractCegarLoop]: Abstraction has 910 states and 1176 transitions. [2022-11-18 19:55:15,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:55:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1176 transitions. [2022-11-18 19:55:15,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-18 19:55:15,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:15,539 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:15,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 19:55:15,540 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:55:15,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:15,540 INFO L85 PathProgramCache]: Analyzing trace with hash 2138501420, now seen corresponding path program 1 times [2022-11-18 19:55:15,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:15,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852945118] [2022-11-18 19:55:15,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:15,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:15,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:15,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:55:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:15,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:55:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:15,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:15,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 19:55:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:15,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 19:55:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:55:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:15,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 19:55:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:15,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:16,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 19:55:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:16,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 19:55:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:16,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 19:55:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:16,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:55:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:16,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:16,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 19:55:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:16,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-18 19:55:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:16,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-18 19:55:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:16,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-18 19:55:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-18 19:55:16,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:16,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852945118] [2022-11-18 19:55:16,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852945118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:16,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:16,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:55:16,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649858215] [2022-11-18 19:55:16,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:16,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:55:16,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:16,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:55:16,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:55:16,087 INFO L87 Difference]: Start difference. First operand 910 states and 1176 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:55:18,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:18,646 INFO L93 Difference]: Finished difference Result 1109 states and 1389 transitions. [2022-11-18 19:55:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:55:18,647 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 179 [2022-11-18 19:55:18,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:18,652 INFO L225 Difference]: With dead ends: 1109 [2022-11-18 19:55:18,652 INFO L226 Difference]: Without dead ends: 936 [2022-11-18 19:55:18,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:55:18,654 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 482 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 1247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:18,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 627 Invalid, 1247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-18 19:55:18,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2022-11-18 19:55:18,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 918. [2022-11-18 19:55:18,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 664 states have (on average 1.2801204819277108) internal successors, (850), 684 states have internal predecessors, (850), 168 states have call successors, (168), 81 states have call predecessors, (168), 78 states have return successors, (166), 161 states have call predecessors, (166), 161 states have call successors, (166) [2022-11-18 19:55:18,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1184 transitions. [2022-11-18 19:55:18,751 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1184 transitions. Word has length 179 [2022-11-18 19:55:18,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:18,752 INFO L495 AbstractCegarLoop]: Abstraction has 918 states and 1184 transitions. [2022-11-18 19:55:18,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:55:18,753 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1184 transitions. [2022-11-18 19:55:18,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-18 19:55:18,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:18,757 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:18,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 19:55:18,758 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:55:18,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:18,758 INFO L85 PathProgramCache]: Analyzing trace with hash 101146134, now seen corresponding path program 1 times [2022-11-18 19:55:18,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:18,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282814421] [2022-11-18 19:55:18,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:18,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:55:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:55:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 19:55:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 19:55:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:55:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 19:55:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 19:55:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 19:55:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 19:55:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:55:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 19:55:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 19:55:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 19:55:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-18 19:55:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-18 19:55:20,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:20,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282814421] [2022-11-18 19:55:20,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282814421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:20,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:20,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:55:20,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442198162] [2022-11-18 19:55:20,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:20,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:55:20,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:20,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:55:20,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:55:20,549 INFO L87 Difference]: Start difference. First operand 918 states and 1184 transitions. Second operand has 7 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:55:23,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:23,486 INFO L93 Difference]: Finished difference Result 930 states and 1199 transitions. [2022-11-18 19:55:23,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:55:23,487 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 182 [2022-11-18 19:55:23,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:23,491 INFO L225 Difference]: With dead ends: 930 [2022-11-18 19:55:23,491 INFO L226 Difference]: Without dead ends: 929 [2022-11-18 19:55:23,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:55:23,493 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 596 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 1243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:23,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 767 Invalid, 1243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-18 19:55:23,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2022-11-18 19:55:23,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 917. [2022-11-18 19:55:23,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 917 states, 664 states have (on average 1.2740963855421688) internal successors, (846), 683 states have internal predecessors, (846), 168 states have call successors, (168), 81 states have call predecessors, (168), 78 states have return successors, (166), 161 states have call predecessors, (166), 161 states have call successors, (166) [2022-11-18 19:55:23,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1180 transitions. [2022-11-18 19:55:23,597 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1180 transitions. Word has length 182 [2022-11-18 19:55:23,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:23,598 INFO L495 AbstractCegarLoop]: Abstraction has 917 states and 1180 transitions. [2022-11-18 19:55:23,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:55:23,598 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1180 transitions. [2022-11-18 19:55:23,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-18 19:55:23,601 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:23,601 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:23,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 19:55:23,602 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:55:23,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:23,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1159437069, now seen corresponding path program 1 times [2022-11-18 19:55:23,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:23,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468268715] [2022-11-18 19:55:23,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:23,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:55:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:55:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 19:55:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 19:55:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:55:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 19:55:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 19:55:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-18 19:55:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 19:55:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-18 19:55:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 19:55:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-18 19:55:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 19:55:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-18 19:55:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:24,596 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-18 19:55:24,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:24,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468268715] [2022-11-18 19:55:24,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468268715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:24,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:24,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:55:24,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806374595] [2022-11-18 19:55:24,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:24,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:55:24,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:24,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:55:24,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:55:24,599 INFO L87 Difference]: Start difference. First operand 917 states and 1180 transitions. Second operand has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:55:27,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:27,138 INFO L93 Difference]: Finished difference Result 929 states and 1195 transitions. [2022-11-18 19:55:27,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:55:27,139 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 183 [2022-11-18 19:55:27,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:27,143 INFO L225 Difference]: With dead ends: 929 [2022-11-18 19:55:27,144 INFO L226 Difference]: Without dead ends: 791 [2022-11-18 19:55:27,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:55:27,145 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 600 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:27,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 627 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-18 19:55:27,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2022-11-18 19:55:27,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 773. [2022-11-18 19:55:27,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 773 states, 564 states have (on average 1.2872340425531914) internal successors, (726), 579 states have internal predecessors, (726), 139 states have call successors, (139), 64 states have call predecessors, (139), 64 states have return successors, (143), 138 states have call predecessors, (143), 139 states have call successors, (143) [2022-11-18 19:55:27,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 1008 transitions. [2022-11-18 19:55:27,244 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 1008 transitions. Word has length 183 [2022-11-18 19:55:27,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:27,245 INFO L495 AbstractCegarLoop]: Abstraction has 773 states and 1008 transitions. [2022-11-18 19:55:27,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-18 19:55:27,245 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1008 transitions. [2022-11-18 19:55:27,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-18 19:55:27,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:27,248 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:27,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 19:55:27,249 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:55:27,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:27,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1286084959, now seen corresponding path program 1 times [2022-11-18 19:55:27,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:27,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722273165] [2022-11-18 19:55:27,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:27,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:55:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:55:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 19:55:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 19:55:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:55:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 19:55:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:55:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:55:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 19:55:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 19:55:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 19:55:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-18 19:55:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-18 19:55:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-11-18 19:55:27,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:27,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722273165] [2022-11-18 19:55:27,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722273165] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:27,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:27,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:55:27,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818722567] [2022-11-18 19:55:27,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:27,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:55:27,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:27,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:55:27,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:55:27,668 INFO L87 Difference]: Start difference. First operand 773 states and 1008 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:55:29,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:29,782 INFO L93 Difference]: Finished difference Result 1423 states and 1891 transitions. [2022-11-18 19:55:29,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:55:29,783 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 185 [2022-11-18 19:55:29,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:29,788 INFO L225 Difference]: With dead ends: 1423 [2022-11-18 19:55:29,788 INFO L226 Difference]: Without dead ends: 787 [2022-11-18 19:55:29,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:55:29,791 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 361 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:29,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 693 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-18 19:55:29,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2022-11-18 19:55:29,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 775. [2022-11-18 19:55:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 566 states have (on average 1.2862190812720848) internal successors, (728), 581 states have internal predecessors, (728), 139 states have call successors, (139), 64 states have call predecessors, (139), 64 states have return successors, (143), 138 states have call predecessors, (143), 139 states have call successors, (143) [2022-11-18 19:55:29,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1010 transitions. [2022-11-18 19:55:29,885 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1010 transitions. Word has length 185 [2022-11-18 19:55:29,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:29,886 INFO L495 AbstractCegarLoop]: Abstraction has 775 states and 1010 transitions. [2022-11-18 19:55:29,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-18 19:55:29,887 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1010 transitions. [2022-11-18 19:55:29,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-18 19:55:29,889 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:55:29,890 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:29,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 19:55:29,890 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-18 19:55:29,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:29,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1027919521, now seen corresponding path program 1 times [2022-11-18 19:55:29,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:29,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675210760] [2022-11-18 19:55:29,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:29,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:55:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 19:55:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-18 19:55:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-18 19:55:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-18 19:55:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 19:55:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-18 19:55:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:55:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-18 19:55:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-18 19:55:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-18 19:55:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:55:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 19:55:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-18 19:55:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-18 19:55:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:32,750 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-11-18 19:55:32,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:32,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675210760] [2022-11-18 19:55:32,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675210760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:32,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:32,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 19:55:32,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823364016] [2022-11-18 19:55:32,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:32,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:55:32,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:32,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:55:32,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:55:32,754 INFO L87 Difference]: Start difference. First operand 775 states and 1010 transitions. Second operand has 12 states, 12 states have (on average 8.25) internal successors, (99), 9 states have internal predecessors, (99), 3 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-18 19:55:35,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:55:35,973 INFO L93 Difference]: Finished difference Result 781 states and 1014 transitions. [2022-11-18 19:55:35,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:55:35,974 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 9 states have internal predecessors, (99), 3 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 185 [2022-11-18 19:55:35,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:55:35,975 INFO L225 Difference]: With dead ends: 781 [2022-11-18 19:55:35,975 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 19:55:35,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2022-11-18 19:55:35,978 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 61 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:55:35,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 107 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-18 19:55:35,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 19:55:35,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 19:55:35,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:55:35,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 19:55:35,980 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 185 [2022-11-18 19:55:35,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:55:35,980 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:55:35,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 9 states have internal predecessors, (99), 3 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-18 19:55:35,981 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:55:35,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 19:55:35,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2022-11-18 19:55:35,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2022-11-18 19:55:35,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2022-11-18 19:55:35,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2022-11-18 19:55:35,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2022-11-18 19:55:35,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2022-11-18 19:55:35,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2022-11-18 19:55:35,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2022-11-18 19:55:35,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2022-11-18 19:55:35,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2022-11-18 19:55:35,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2022-11-18 19:55:35,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2022-11-18 19:55:35,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2022-11-18 19:55:35,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2022-11-18 19:55:35,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2022-11-18 19:55:35,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2022-11-18 19:55:35,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2022-11-18 19:55:35,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2022-11-18 19:55:35,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 19:55:35,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 19:55:39,367 INFO L899 garLoopResultBuilder]: For program point spin_lock_initEXIT(lines 4153 4157) no Hoare annotation was computed. [2022-11-18 19:55:39,368 INFO L895 garLoopResultBuilder]: At program point spin_lock_initENTRY(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 (= ~jiffies~0 0)) (not (= ~ddv_ioport_request_start~0 0)) (not (= ~number_timer_registered~0 0)) (not (= ~next_heartbeat~0 0))) [2022-11-18 19:55:39,368 INFO L899 garLoopResultBuilder]: For program point spin_lock_initFINAL(lines 4153 4157) no Hoare annotation was computed. [2022-11-18 19:55:39,368 INFO L899 garLoopResultBuilder]: For program point printkFINAL(lines 4480 4483) no Hoare annotation was computed. [2022-11-18 19:55:39,369 INFO L902 garLoopResultBuilder]: At program point printkENTRY(lines 4480 4483) the Hoare annotation is: true [2022-11-18 19:55:39,369 INFO L899 garLoopResultBuilder]: For program point printkEXIT(lines 4480 4483) no Hoare annotation was computed. [2022-11-18 19:55:39,369 INFO L902 garLoopResultBuilder]: At program point misc_deregisterENTRY(line 4524) the Hoare annotation is: true [2022-11-18 19:55:39,369 INFO L899 garLoopResultBuilder]: For program point misc_deregisterEXIT(line 4524) no Hoare annotation was computed. [2022-11-18 19:55:39,371 INFO L899 garLoopResultBuilder]: For program point misc_deregisterFINAL(line 4524) no Hoare annotation was computed. [2022-11-18 19:55:39,371 INFO L899 garLoopResultBuilder]: For program point L1596(line 1596) no Hoare annotation was computed. [2022-11-18 19:55:39,372 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 1596 1619) no Hoare annotation was computed. [2022-11-18 19:55:39,372 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 (= ~number_cdev_registered~0 0)) (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) (not (= ~jiffies~0 0)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648))) (not (= ~next_heartbeat~0 0))) [2022-11-18 19:55:39,372 INFO L899 garLoopResultBuilder]: For program point L1596-2(lines 1589 1620) no Hoare annotation was computed. [2022-11-18 19:55:39,372 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 (= ~number_cdev_registered~0 0)) (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) (not (= ~jiffies~0 0)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648))) (not (= ~next_heartbeat~0 0))) [2022-11-18 19:55:39,372 INFO L899 garLoopResultBuilder]: For program point L1594-2(line 1594) no Hoare annotation was computed. [2022-11-18 19:55:39,373 INFO L899 garLoopResultBuilder]: For program point L1613(line 1613) no Hoare annotation was computed. [2022-11-18 19:55:39,373 INFO L899 garLoopResultBuilder]: For program point zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1596) no Hoare annotation was computed. [2022-11-18 19:55:39,373 INFO L895 garLoopResultBuilder]: At program point L1605(line 1605) the Hoare annotation is: (or (not (= ~number_cdev_registered~0 0)) (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) (not (= ~jiffies~0 0)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648))) (not (= ~next_heartbeat~0 0))) [2022-11-18 19:55:39,373 INFO L895 garLoopResultBuilder]: At program point L1605-1(line 1605) the Hoare annotation is: (or (not (= ~number_cdev_registered~0 0)) (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) (not (= ~jiffies~0 0)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648))) (not (= ~next_heartbeat~0 0))) [2022-11-18 19:55:39,373 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 (= ~number_cdev_registered~0 0)) (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) (not (= ~jiffies~0 0)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648))) (not (= ~next_heartbeat~0 0))) [2022-11-18 19:55:39,374 INFO L899 garLoopResultBuilder]: For program point L1618-1(line 1618) no Hoare annotation was computed. [2022-11-18 19:55:39,374 INFO L895 garLoopResultBuilder]: At program point L1616(line 1616) the Hoare annotation is: (or (not (= ~number_cdev_registered~0 0)) (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) (not (= ~jiffies~0 0)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648))) (not (= ~next_heartbeat~0 0))) [2022-11-18 19:55:39,374 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (or (not (= ~number_cdev_registered~0 0)) (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) (not (= ~jiffies~0 0)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648))) (not (= ~next_heartbeat~0 0))) [2022-11-18 19:55:39,374 INFO L895 garLoopResultBuilder]: At program point L1612-1(line 1612) the Hoare annotation is: (or (not (= ~number_cdev_registered~0 0)) (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) (not (= ~jiffies~0 0)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648))) (not (= ~next_heartbeat~0 0))) [2022-11-18 19:55:39,375 INFO L899 garLoopResultBuilder]: For program point zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1596) no Hoare annotation was computed. [2022-11-18 19:55:39,375 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (or (not (= ~number_cdev_registered~0 0)) (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) (not (= ~jiffies~0 0)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648))) (not (= ~next_heartbeat~0 0))) [2022-11-18 19:55:39,375 INFO L899 garLoopResultBuilder]: For program point zf_pingEXIT(lines 1589 1620) no Hoare annotation was computed. [2022-11-18 19:55:39,375 INFO L895 garLoopResultBuilder]: At program point zf_pingENTRY(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 (= ~number_cdev_registered~0 0)) (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) (not (= ~jiffies~0 0)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648))) (not (= ~next_heartbeat~0 0))) [2022-11-18 19:55:39,375 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2022-11-18 19:55:39,375 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-11-18 19:55:39,376 INFO L902 garLoopResultBuilder]: At program point assert_context_processFINAL(lines 21 23) the Hoare annotation is: true [2022-11-18 19:55:39,376 INFO L899 garLoopResultBuilder]: For program point assert_context_processEXIT(lines 21 23) no Hoare annotation was computed. [2022-11-18 19:55:39,376 INFO L899 garLoopResultBuilder]: For program point L3962(lines 3962 3963) no Hoare annotation was computed. [2022-11-18 19:55:39,376 INFO L899 garLoopResultBuilder]: For program point zf_readwFINAL(lines 1467 1471) no Hoare annotation was computed. [2022-11-18 19:55:39,376 INFO L899 garLoopResultBuilder]: For program point zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3963) no Hoare annotation was computed. [2022-11-18 19:55:39,376 INFO L902 garLoopResultBuilder]: At program point L1469(line 1469) the Hoare annotation is: true [2022-11-18 19:55:39,377 INFO L899 garLoopResultBuilder]: For program point L1469-1(line 1469) no Hoare annotation was computed. [2022-11-18 19:55:39,377 INFO L895 garLoopResultBuilder]: At program point L3965(lines 3960 3966) the Hoare annotation is: (let ((.cse0 (not (= ~number_cdev_registered~0 0))) (.cse1 (not (= ~jiffies~0 0))) (.cse2 (not (= ~next_heartbeat~0 0)))) (and (or (and (<= 538 |zf_readw_inw_~port#1|) (<= |zf_readw_inw_~port#1| 538)) .cse0 (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) .cse1 (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648))) .cse2) (or (not (= ~ddv_ioport_request_len~0 0)) .cse0 (not (= 0 ~fixed_cdev_used~0)) .cse1 (not (= ~ddv_ioport_request_start~0 0)) (not (= ~number_timer_registered~0 0)) .cse2))) [2022-11-18 19:55:39,377 INFO L899 garLoopResultBuilder]: For program point L3963-1(line 3963) no Hoare annotation was computed. [2022-11-18 19:55:39,377 INFO L899 garLoopResultBuilder]: For program point L3963(line 3963) no Hoare annotation was computed. [2022-11-18 19:55:39,377 INFO L899 garLoopResultBuilder]: For program point L3963-2(line 3963) no Hoare annotation was computed. [2022-11-18 19:55:39,378 INFO L899 garLoopResultBuilder]: For program point L3963-4(line 3963) no Hoare annotation was computed. [2022-11-18 19:55:39,378 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2022-11-18 19:55:39,378 INFO L899 garLoopResultBuilder]: For program point L12-1(line 12) no Hoare annotation was computed. [2022-11-18 19:55:39,378 INFO L895 garLoopResultBuilder]: At program point L12-3(line 12) the Hoare annotation is: (let ((.cse0 (not (= ~number_cdev_registered~0 0))) (.cse1 (not (= ~jiffies~0 0))) (.cse2 (not (= ~next_heartbeat~0 0)))) (and (or (and (<= 538 |zf_readw_inw_~port#1|) (<= |zf_readw_inw_~port#1| 538)) .cse0 (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) .cse1 (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648))) .cse2) (or (not (= ~ddv_ioport_request_len~0 0)) .cse0 (not (= 0 ~fixed_cdev_used~0)) .cse1 (not (= ~ddv_ioport_request_start~0 0)) (not (= ~number_timer_registered~0 0)) .cse2))) [2022-11-18 19:55:39,378 INFO L899 garLoopResultBuilder]: For program point zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3963) no Hoare annotation was computed. [2022-11-18 19:55:39,379 INFO L899 garLoopResultBuilder]: For program point zf_readwEXIT(lines 1467 1471) no Hoare annotation was computed. [2022-11-18 19:55:39,379 INFO L902 garLoopResultBuilder]: At program point zf_readwENTRY(lines 1467 1471) the Hoare annotation is: true [2022-11-18 19:55:39,379 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,379 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-18 19:55:39,379 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,379 INFO L899 garLoopResultBuilder]: For program point L1553(line 1553) no Hoare annotation was computed. [2022-11-18 19:55:39,379 INFO L899 garLoopResultBuilder]: For program point zf_timer_offEXIT(lines 1537 1554) no Hoare annotation was computed. [2022-11-18 19:55:39,380 INFO L902 garLoopResultBuilder]: At program point L1551(line 1551) the Hoare annotation is: true [2022-11-18 19:55:39,380 INFO L902 garLoopResultBuilder]: At program point L1550(line 1550) the Hoare annotation is: true [2022-11-18 19:55:39,380 INFO L902 garLoopResultBuilder]: At program point L1550-1(line 1550) the Hoare annotation is: true [2022-11-18 19:55:39,380 INFO L899 garLoopResultBuilder]: For program point L1547(line 1547) no Hoare annotation was computed. [2022-11-18 19:55:39,380 INFO L902 garLoopResultBuilder]: At program point L1545(line 1545) the Hoare annotation is: true [2022-11-18 19:55:39,380 INFO L902 garLoopResultBuilder]: At program point L1545-1(line 1545) the Hoare annotation is: true [2022-11-18 19:55:39,381 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 ~ddv_ioport_request_start~0) 539)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)))) [2022-11-18 19:55:39,381 INFO L899 garLoopResultBuilder]: For program point L1543-1(line 1543) no Hoare annotation was computed. [2022-11-18 19:55:39,381 INFO L895 garLoopResultBuilder]: At program point zf_timer_offENTRY(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 ~ddv_ioport_request_start~0) 539)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)))) [2022-11-18 19:55:39,381 INFO L899 garLoopResultBuilder]: For program point zf_timer_offFINAL(lines 1537 1554) no Hoare annotation was computed. [2022-11-18 19:55:39,381 INFO L902 garLoopResultBuilder]: At program point spin_lockENTRY(lines 4159 4169) the Hoare annotation is: true [2022-11-18 19:55:39,381 INFO L899 garLoopResultBuilder]: For program point L4161(lines 4161 4162) no Hoare annotation was computed. [2022-11-18 19:55:39,382 INFO L899 garLoopResultBuilder]: For program point spin_lockFINAL(lines 4159 4169) no Hoare annotation was computed. [2022-11-18 19:55:39,382 INFO L899 garLoopResultBuilder]: For program point spin_lockEXIT(lines 4159 4169) no Hoare annotation was computed. [2022-11-18 19:55:39,382 INFO L902 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: true [2022-11-18 19:55:39,382 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2022-11-18 19:55:39,382 INFO L902 garLoopResultBuilder]: At program point L1526(line 1526) the Hoare annotation is: true [2022-11-18 19:55:39,382 INFO L902 garLoopResultBuilder]: At program point L1526-1(line 1526) the Hoare annotation is: true [2022-11-18 19:55:39,382 INFO L902 garLoopResultBuilder]: At program point L1522(lines 1522 1532) the Hoare annotation is: true [2022-11-18 19:55:39,383 INFO L899 garLoopResultBuilder]: For program point L1580(line 1580) no Hoare annotation was computed. [2022-11-18 19:55:39,383 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2022-11-18 19:55:39,383 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-11-18 19:55:39,383 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,383 INFO L902 garLoopResultBuilder]: At program point L4512(lines 4506 4513) the Hoare annotation is: true [2022-11-18 19:55:39,383 INFO L899 garLoopResultBuilder]: For program point L4508-1(line 4508) no Hoare annotation was computed. [2022-11-18 19:55:39,383 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,384 INFO L902 garLoopResultBuilder]: At program point L1692(line 1692) the Hoare annotation is: true [2022-11-18 19:55:39,384 INFO L899 garLoopResultBuilder]: For program point L1692-1(line 1692) no Hoare annotation was computed. [2022-11-18 19:55:39,384 INFO L899 garLoopResultBuilder]: For program point L4508(line 4508) no Hoare annotation was computed. [2022-11-18 19:55:39,384 INFO L899 garLoopResultBuilder]: For program point L1560(lines 1560 1586) no Hoare annotation was computed. [2022-11-18 19:55:39,384 INFO L899 garLoopResultBuilder]: For program point L1527(line 1527) no Hoare annotation was computed. [2022-11-18 19:55:39,384 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 1524 1531) no Hoare annotation was computed. [2022-11-18 19:55:39,384 INFO L902 garLoopResultBuilder]: At program point L4504(line 4504) the Hoare annotation is: true [2022-11-18 19:55:39,385 INFO L899 garLoopResultBuilder]: For program point L1717(line 1717) no Hoare annotation was computed. [2022-11-18 19:55:39,385 INFO L902 garLoopResultBuilder]: At program point L1713(line 1713) the Hoare annotation is: true [2022-11-18 19:55:39,385 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-11-18 19:55:39,385 INFO L899 garLoopResultBuilder]: For program point L1713-1(line 1713) no Hoare annotation was computed. [2022-11-18 19:55:39,385 INFO L902 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: true [2022-11-18 19:55:39,385 INFO L902 garLoopResultBuilder]: At program point L1705(lines 1690 1706) the Hoare annotation is: true [2022-11-18 19:55:39,386 INFO L902 garLoopResultBuilder]: At program point L1577-1(line 1577) the Hoare annotation is: true [2022-11-18 19:55:39,386 INFO L899 garLoopResultBuilder]: For program point L1701(line 1701) no Hoare annotation was computed. [2022-11-18 19:55:39,386 INFO L899 garLoopResultBuilder]: For program point L4517(line 4517) no Hoare annotation was computed. [2022-11-18 19:55:39,386 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4508) no Hoare annotation was computed. [2022-11-18 19:55:39,386 INFO L899 garLoopResultBuilder]: For program point L4517-1(line 4517) no Hoare annotation was computed. [2022-11-18 19:55:39,386 INFO L899 garLoopResultBuilder]: For program point L1693(lines 1693 1696) no Hoare annotation was computed. [2022-11-18 19:55:39,387 INFO L902 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: true [2022-11-18 19:55:39,387 INFO L902 garLoopResultBuilder]: At program point L1565-1(line 1565) the Hoare annotation is: true [2022-11-18 19:55:39,387 INFO L902 garLoopResultBuilder]: At program point L1528(line 1528) the Hoare annotation is: true [2022-11-18 19:55:39,387 INFO L899 garLoopResultBuilder]: For program point L4505(line 4505) no Hoare annotation was computed. [2022-11-18 19:55:39,387 INFO L902 garLoopResultBuilder]: At program point L1528-1(line 1528) the Hoare annotation is: true [2022-11-18 19:55:39,387 INFO L899 garLoopResultBuilder]: For program point L1524(lines 1524 1531) no Hoare annotation was computed. [2022-11-18 19:55:39,388 INFO L902 garLoopResultBuilder]: At program point L1714(line 1714) the Hoare annotation is: true [2022-11-18 19:55:39,388 INFO L899 garLoopResultBuilder]: For program point L1714-1(line 1714) no Hoare annotation was computed. [2022-11-18 19:55:39,388 INFO L899 garLoopResultBuilder]: For program point L1710(lines 1710 1715) no Hoare annotation was computed. [2022-11-18 19:55:39,388 INFO L902 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: true [2022-11-18 19:55:39,388 INFO L902 garLoopResultBuilder]: At program point L1710-1(lines 1710 1715) the Hoare annotation is: true [2022-11-18 19:55:39,388 INFO L902 garLoopResultBuilder]: At program point L1582-1(line 1582) the Hoare annotation is: true [2022-11-18 19:55:39,388 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-11-18 19:55:39,389 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,389 INFO L899 garLoopResultBuilder]: For program point L1698(lines 1698 1699) no Hoare annotation was computed. [2022-11-18 19:55:39,389 INFO L902 garLoopResultBuilder]: At program point L1698-2(lines 1698 1699) the Hoare annotation is: true [2022-11-18 19:55:39,389 INFO L902 garLoopResultBuilder]: At program point L1694(line 1694) the Hoare annotation is: true [2022-11-18 19:55:39,389 INFO L899 garLoopResultBuilder]: For program point L1694-1(line 1694) no Hoare annotation was computed. [2022-11-18 19:55:39,389 INFO L902 garLoopResultBuilder]: At program point L1723(lines 1708 1724) the Hoare annotation is: true [2022-11-18 19:55:39,390 INFO L899 garLoopResultBuilder]: For program point L1529(line 1529) no Hoare annotation was computed. [2022-11-18 19:55:39,390 INFO L902 garLoopResultBuilder]: At program point L1719(line 1719) the Hoare annotation is: true [2022-11-18 19:55:39,390 INFO L899 garLoopResultBuilder]: For program point L1719-1(line 1719) no Hoare annotation was computed. [2022-11-18 19:55:39,390 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-11-18 19:55:39,390 INFO L899 garLoopResultBuilder]: For program point L1525-1(lines 1524 1531) no Hoare annotation was computed. [2022-11-18 19:55:39,390 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,390 INFO L902 garLoopResultBuilder]: At program point L1711(line 1711) the Hoare annotation is: true [2022-11-18 19:55:39,391 INFO L902 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: true [2022-11-18 19:55:39,391 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4517) no Hoare annotation was computed. [2022-11-18 19:55:39,391 INFO L899 garLoopResultBuilder]: For program point L4515(lines 4515 4521) no Hoare annotation was computed. [2022-11-18 19:55:39,391 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 (= ~number_cdev_registered~0 0)) (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) (not (= ~jiffies~0 0)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648))) (not (= ~next_heartbeat~0 0))) [2022-11-18 19:55:39,391 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,392 INFO L895 garLoopResultBuilder]: At program point ##fun~int~TO~VOIDENTRY(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 (= ~number_cdev_registered~0 0)) (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) (not (= ~jiffies~0 0)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648))) (not (= ~next_heartbeat~0 0))) [2022-11-18 19:55:39,392 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,392 INFO L899 garLoopResultBuilder]: For program point outwFINAL(lines 3968 3970) no Hoare annotation was computed. [2022-11-18 19:55:39,392 INFO L899 garLoopResultBuilder]: For program point outwEXIT(lines 3968 3970) no Hoare annotation was computed. [2022-11-18 19:55:39,392 INFO L902 garLoopResultBuilder]: At program point outwENTRY(lines 3968 3970) the Hoare annotation is: true [2022-11-18 19:55:39,392 INFO L899 garLoopResultBuilder]: For program point outbEXIT(lines 3956 3958) no Hoare annotation was computed. [2022-11-18 19:55:39,393 INFO L902 garLoopResultBuilder]: At program point outbENTRY(lines 3956 3958) the Hoare annotation is: true [2022-11-18 19:55:39,393 INFO L899 garLoopResultBuilder]: For program point outbFINAL(lines 3956 3958) no Hoare annotation was computed. [2022-11-18 19:55:39,393 INFO L899 garLoopResultBuilder]: For program point add_timerEXIT(lines 4256 4263) no Hoare annotation was computed. [2022-11-18 19:55:39,393 INFO L902 garLoopResultBuilder]: At program point add_timerENTRY(lines 4256 4263) the Hoare annotation is: true [2022-11-18 19:55:39,393 INFO L899 garLoopResultBuilder]: For program point add_timerFINAL(lines 4256 4263) no Hoare annotation was computed. [2022-11-18 19:55:39,393 INFO L899 garLoopResultBuilder]: For program point L4209(lines 4209 4213) no Hoare annotation was computed. [2022-11-18 19:55:39,393 INFO L902 garLoopResultBuilder]: At program point spin_unlockENTRY(lines 4207 4214) the Hoare annotation is: true [2022-11-18 19:55:39,394 INFO L899 garLoopResultBuilder]: For program point spin_unlockFINAL(lines 4207 4214) no Hoare annotation was computed. [2022-11-18 19:55:39,394 INFO L899 garLoopResultBuilder]: For program point spin_unlockEXIT(lines 4207 4214) no Hoare annotation was computed. [2022-11-18 19:55:39,394 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 9 11) the Hoare annotation is: true [2022-11-18 19:55:39,394 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-11-18 19:55:39,394 INFO L899 garLoopResultBuilder]: For program point L10-2(lines 9 11) no Hoare annotation was computed. [2022-11-18 19:55:39,394 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 9 11) no Hoare annotation was computed. [2022-11-18 19:55:39,395 INFO L895 garLoopResultBuilder]: At program point release_regionENTRY(lines 3939 3949) the Hoare annotation is: (or (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))) [2022-11-18 19:55:39,395 INFO L899 garLoopResultBuilder]: For program point release_regionEXIT(lines 3939 3949) no Hoare annotation was computed. [2022-11-18 19:55:39,395 INFO L899 garLoopResultBuilder]: For program point release_regionFINAL(lines 3939 3949) no Hoare annotation was computed. [2022-11-18 19:55:39,395 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_beginFINAL(line 4534) no Hoare annotation was computed. [2022-11-18 19:55:39,395 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_beginEXIT(line 4534) no Hoare annotation was computed. [2022-11-18 19:55:39,395 INFO L895 garLoopResultBuilder]: At program point spin_unlock_irqrestoreENTRY(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))) [2022-11-18 19:55:39,395 INFO L899 garLoopResultBuilder]: For program point L4218(lines 4218 4222) no Hoare annotation was computed. [2022-11-18 19:55:39,396 INFO L899 garLoopResultBuilder]: For program point spin_unlock_irqrestoreEXIT(lines 4216 4223) no Hoare annotation was computed. [2022-11-18 19:55:39,396 INFO L899 garLoopResultBuilder]: For program point spin_unlock_irqrestoreFINAL(lines 4216 4223) no Hoare annotation was computed. [2022-11-18 19:55:39,396 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_endEXIT(line 4535) no Hoare annotation was computed. [2022-11-18 19:55:39,396 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_atomic_endFINAL(line 4535) no Hoare annotation was computed. [2022-11-18 19:55:39,396 INFO L899 garLoopResultBuilder]: For program point del_timerEXIT(lines 4271 4274) no Hoare annotation was computed. [2022-11-18 19:55:39,396 INFO L895 garLoopResultBuilder]: At program point del_timerENTRY(lines 4271 4274) 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)) (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)))) [2022-11-18 19:55:39,397 INFO L899 garLoopResultBuilder]: For program point del_timerFINAL(lines 4271 4274) no Hoare annotation was computed. [2022-11-18 19:55:39,397 INFO L899 garLoopResultBuilder]: For program point spin_lock_irqsaveEXIT(lines 4171 4181) no Hoare annotation was computed. [2022-11-18 19:55:39,397 INFO L899 garLoopResultBuilder]: For program point spin_lock_irqsaveFINAL(lines 4171 4181) no Hoare annotation was computed. [2022-11-18 19:55:39,397 INFO L899 garLoopResultBuilder]: For program point L4173(lines 4173 4174) no Hoare annotation was computed. [2022-11-18 19:55:39,397 INFO L895 garLoopResultBuilder]: At program point spin_lock_irqsaveENTRY(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 (= ~number_cdev_registered~0 0)) (not (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) (not (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)))) [2022-11-18 19:55:39,397 INFO L899 garLoopResultBuilder]: For program point zf_get_controlFINAL(lines 1506 1509) no Hoare annotation was computed. [2022-11-18 19:55:39,398 INFO L902 garLoopResultBuilder]: At program point zf_get_controlENTRY(lines 1506 1509) the Hoare annotation is: true [2022-11-18 19:55:39,398 INFO L899 garLoopResultBuilder]: For program point zf_get_controlEXIT(lines 1506 1509) no Hoare annotation was computed. [2022-11-18 19:55:39,398 INFO L899 garLoopResultBuilder]: For program point L1508(line 1508) no Hoare annotation was computed. [2022-11-18 19:55:39,398 INFO L899 garLoopResultBuilder]: For program point request_regionFINAL(lines 3925 3937) no Hoare annotation was computed. [2022-11-18 19:55:39,398 INFO L895 garLoopResultBuilder]: At program point request_regionENTRY(lines 3925 3937) the Hoare annotation is: (or (not (= |old(~ddv_ioport_request_len~0)| 0)) (and (= |old(#length)| |#length|) (= ~ddv_ioport_request_len~0 0) (= ~ddv_ioport_request_start~0 0) (= |old(#valid)| |#valid|)) (not (= |old(~ddv_ioport_request_start~0)| 0)) (not (= ~number_cdev_registered~0 0)) (not (= ~jiffies~0 0)) (not (= ~number_timer_registered~0 0)) (not (= ~next_heartbeat~0 0))) [2022-11-18 19:55:39,398 INFO L899 garLoopResultBuilder]: For program point request_regionEXIT(lines 3925 3937) no Hoare annotation was computed. [2022-11-18 19:55:39,399 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2673) no Hoare annotation was computed. [2022-11-18 19:55:39,399 INFO L899 garLoopResultBuilder]: For program point L1786(lines 1786 1789) no Hoare annotation was computed. [2022-11-18 19:55:39,399 INFO L899 garLoopResultBuilder]: For program point L2843(line 2843) no Hoare annotation was computed. [2022-11-18 19:55:39,399 INFO L899 garLoopResultBuilder]: For program point L1786-2(lines 1786 1789) no Hoare annotation was computed. [2022-11-18 19:55:39,399 INFO L899 garLoopResultBuilder]: For program point L2777(line 2777) no Hoare annotation was computed. [2022-11-18 19:55:39,399 INFO L895 garLoopResultBuilder]: At program point L4363(line 4363) the Hoare annotation is: (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (<= (+ (* 65536 (div |ULTIMATE.start_ddv_~random~0#1| 65536)) 1) |ULTIMATE.start_ddv_~random~0#1|) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,400 INFO L899 garLoopResultBuilder]: For program point L4363-1(line 4363) no Hoare annotation was computed. [2022-11-18 19:55:39,400 INFO L899 garLoopResultBuilder]: For program point L2778(lines 2778 2786) no Hoare annotation was computed. [2022-11-18 19:55:39,400 INFO L899 garLoopResultBuilder]: For program point L2811(line 2811) no Hoare annotation was computed. [2022-11-18 19:55:39,400 INFO L899 garLoopResultBuilder]: For program point L2679(lines 2679 2721) no Hoare annotation was computed. [2022-11-18 19:55:39,400 INFO L899 garLoopResultBuilder]: For program point L3505-1(line 3505) no Hoare annotation was computed. [2022-11-18 19:55:39,400 INFO L895 garLoopResultBuilder]: At program point L3505(line 3505) the Hoare annotation is: false [2022-11-18 19:55:39,400 INFO L899 garLoopResultBuilder]: For program point L2878(line 2878) no Hoare annotation was computed. [2022-11-18 19:55:39,401 INFO L902 garLoopResultBuilder]: At program point L1854(lines 1848 1855) the Hoare annotation is: true [2022-11-18 19:55:39,401 INFO L899 garLoopResultBuilder]: For program point L2812(lines 2812 2820) no Hoare annotation was computed. [2022-11-18 19:55:39,401 INFO L899 garLoopResultBuilder]: For program point L2713(line 2713) no Hoare annotation was computed. [2022-11-18 19:55:39,401 INFO L899 garLoopResultBuilder]: For program point L4365(lines 4365 4368) no Hoare annotation was computed. [2022-11-18 19:55:39,401 INFO L899 garLoopResultBuilder]: For program point L3110(lines 3110 3119) no Hoare annotation was computed. [2022-11-18 19:55:39,401 INFO L899 garLoopResultBuilder]: For program point L2846(line 2846) no Hoare annotation was computed. [2022-11-18 19:55:39,401 INFO L895 garLoopResultBuilder]: At program point L4498(line 4498) the Hoare annotation is: false [2022-11-18 19:55:39,402 INFO L895 garLoopResultBuilder]: At program point L3507(lines 3491 3509) 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) (= ~jiffies~0 0) (or (<= (+ |ULTIMATE.start_zf_init_~ret~3#1| 1) 0) (not (<= |ULTIMATE.start_zf_init_~ret~3#1| 0))) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,402 INFO L895 garLoopResultBuilder]: At program point L4366(line 4366) the Hoare annotation is: (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (<= (+ (* 65536 (div |ULTIMATE.start_ddv_~random~0#1| 65536)) 1) |ULTIMATE.start_ddv_~random~0#1|) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,402 INFO L899 garLoopResultBuilder]: For program point L4366-1(line 4366) no Hoare annotation was computed. [2022-11-18 19:55:39,402 INFO L899 garLoopResultBuilder]: For program point L2847(lines 2847 2848) no Hoare annotation was computed. [2022-11-18 19:55:39,402 INFO L895 garLoopResultBuilder]: At program point L2748(lines 2748 2899) the Hoare annotation is: (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (<= (+ (* 65536 (div |ULTIMATE.start_ddv_~random~0#1| 65536)) 1) |ULTIMATE.start_ddv_~random~0#1|) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,403 INFO L899 garLoopResultBuilder]: For program point L2847-2(lines 2847 2855) no Hoare annotation was computed. [2022-11-18 19:55:39,403 INFO L899 garLoopResultBuilder]: For program point L2881(line 2881) no Hoare annotation was computed. [2022-11-18 19:55:39,403 INFO L895 garLoopResultBuilder]: At program point L2782(lines 2782 2785) the Hoare annotation is: false [2022-11-18 19:55:39,403 INFO L899 garLoopResultBuilder]: For program point L2782-1(lines 2782 2785) no Hoare annotation was computed. [2022-11-18 19:55:39,403 INFO L899 garLoopResultBuilder]: For program point L2683-1(lines 2683 2720) no Hoare annotation was computed. [2022-11-18 19:55:39,403 INFO L895 garLoopResultBuilder]: At program point L2683-3(lines 2683 2720) the Hoare annotation is: (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,404 INFO L895 garLoopResultBuilder]: At program point L2816(lines 2816 2819) the Hoare annotation is: false [2022-11-18 19:55:39,404 INFO L899 garLoopResultBuilder]: For program point L2849-1(lines 2849 2850) no Hoare annotation was computed. [2022-11-18 19:55:39,404 INFO L895 garLoopResultBuilder]: At program point L2849(lines 2849 2850) the Hoare annotation is: false [2022-11-18 19:55:39,404 INFO L899 garLoopResultBuilder]: For program point L2816-1(lines 2816 2819) no Hoare annotation was computed. [2022-11-18 19:55:39,404 INFO L899 garLoopResultBuilder]: For program point L2717(line 2717) no Hoare annotation was computed. [2022-11-18 19:55:39,404 INFO L895 garLoopResultBuilder]: At program point L3114(line 3114) the Hoare annotation is: (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (<= (+ (* 65536 (div |ULTIMATE.start_ddv_~random~0#1| 65536)) 1) |ULTIMATE.start_ddv_~random~0#1|) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,405 INFO L899 garLoopResultBuilder]: For program point L3114-1(line 3114) no Hoare annotation was computed. [2022-11-18 19:55:39,405 INFO L895 garLoopResultBuilder]: At program point L1793(line 1793) the Hoare annotation is: false [2022-11-18 19:55:39,405 INFO L895 garLoopResultBuilder]: At program point L1793-1(line 1793) the Hoare annotation is: false [2022-11-18 19:55:39,405 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2673) no Hoare annotation was computed. [2022-11-18 19:55:39,405 INFO L899 garLoopResultBuilder]: For program point L2884(line 2884) no Hoare annotation was computed. [2022-11-18 19:55:39,405 INFO L899 garLoopResultBuilder]: For program point L1794(line 1794) no Hoare annotation was computed. [2022-11-18 19:55:39,406 INFO L895 garLoopResultBuilder]: At program point L2686(lines 2686 2719) the Hoare annotation is: (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,406 INFO L899 garLoopResultBuilder]: For program point L3116(lines 3116 3118) no Hoare annotation was computed. [2022-11-18 19:55:39,406 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4252) no Hoare annotation was computed. [2022-11-18 19:55:39,406 INFO L899 garLoopResultBuilder]: For program point L2852(lines 2852 2854) no Hoare annotation was computed. [2022-11-18 19:55:39,406 INFO L895 garLoopResultBuilder]: At program point L1828(lines 1775 1833) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (or (<= (+ |ULTIMATE.start_zf_init_~ret~3#1| 1) 0) (not (<= |ULTIMATE.start_zf_init_~ret~3#1| 0))) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1)) [2022-11-18 19:55:39,406 INFO L899 garLoopResultBuilder]: For program point L2687(line 2687) no Hoare annotation was computed. [2022-11-18 19:55:39,407 INFO L899 garLoopResultBuilder]: For program point L3117-1(line 3117) no Hoare annotation was computed. [2022-11-18 19:55:39,407 INFO L895 garLoopResultBuilder]: At program point L3117(line 3117) the Hoare annotation is: (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (<= (+ (* 65536 (div |ULTIMATE.start_ddv_~random~0#1| 65536)) 1) |ULTIMATE.start_ddv_~random~0#1|) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,407 INFO L899 garLoopResultBuilder]: For program point L1830(line 1830) no Hoare annotation was computed. [2022-11-18 19:55:39,407 INFO L899 garLoopResultBuilder]: For program point L2887(line 2887) no Hoare annotation was computed. [2022-11-18 19:55:39,407 INFO L899 garLoopResultBuilder]: For program point L1797(lines 1797 1801) no Hoare annotation was computed. [2022-11-18 19:55:39,407 INFO L899 garLoopResultBuilder]: For program point L2788(line 2788) no Hoare annotation was computed. [2022-11-18 19:55:39,408 INFO L895 garLoopResultBuilder]: At program point L1500(line 1500) the Hoare annotation is: (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,408 INFO L895 garLoopResultBuilder]: At program point L1500-1(line 1500) the Hoare annotation is: (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,408 INFO L899 garLoopResultBuilder]: For program point L1500-2(lines 1498 1501) no Hoare annotation was computed. [2022-11-18 19:55:39,408 INFO L895 garLoopResultBuilder]: At program point L1831(lines 1775 1833) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (or (<= (+ |ULTIMATE.start_zf_init_~ret~3#1| 1) 0) (not (<= |ULTIMATE.start_zf_init_~ret~3#1| 0))) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1)) [2022-11-18 19:55:39,408 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) (or (<= (+ |ULTIMATE.start_zf_init_~ret~3#1| 1) 0) (not (<= |ULTIMATE.start_zf_init_~ret~3#1| 0))) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1)) [2022-11-18 19:55:39,409 INFO L899 garLoopResultBuilder]: For program point L1798-1(lines 1798 1799) no Hoare annotation was computed. [2022-11-18 19:55:39,409 INFO L895 garLoopResultBuilder]: At program point L1832(lines 1774 1833) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|)) (.cse1 (<= |ULTIMATE.start_init_kernel_~i~1#1| 1))) (or (and (or (<= 1 |ULTIMATE.start_zf_init_#res#1|) (<= (+ |ULTIMATE.start_zf_init_#res#1| 1) 0)) .cse0 (= ~number_timer_registered~0 0) (or (<= (+ |ULTIMATE.start_zf_init_~ret~3#1| 1) 0) (not (<= |ULTIMATE.start_zf_init_~ret~3#1| 0))) .cse1) (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) .cse0 (= ~jiffies~0 0) .cse1 (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) (and (= 0 ~fixed_cdev_used~0) (= ~ddv_ioport_request_len~0 0) (<= (+ 19 |ULTIMATE.start_zf_init_#res#1|) 0) (= ~ddv_ioport_request_start~0 0) .cse0 .cse1))) [2022-11-18 19:55:39,409 INFO L899 garLoopResultBuilder]: For program point L2823(line 2823) no Hoare annotation was computed. [2022-11-18 19:55:39,409 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3498) no Hoare annotation was computed. [2022-11-18 19:55:39,409 INFO L899 garLoopResultBuilder]: For program point L2890(line 2890) no Hoare annotation was computed. [2022-11-18 19:55:39,410 INFO L899 garLoopResultBuilder]: For program point L2857(line 2857) no Hoare annotation was computed. [2022-11-18 19:55:39,410 INFO L899 garLoopResultBuilder]: For program point L1767(lines 1767 1772) no Hoare annotation was computed. [2022-11-18 19:55:39,410 INFO L899 garLoopResultBuilder]: For program point L2791(line 2791) no Hoare annotation was computed. [2022-11-18 19:55:39,410 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3498) no Hoare annotation was computed. [2022-11-18 19:55:39,410 INFO L899 garLoopResultBuilder]: For program point L4245(lines 4245 4254) no Hoare annotation was computed. [2022-11-18 19:55:39,410 INFO L899 garLoopResultBuilder]: For program point L2792(lines 2792 2800) no Hoare annotation was computed. [2022-11-18 19:55:39,410 INFO L899 garLoopResultBuilder]: For program point L2759(lines 2759 2761) no Hoare annotation was computed. [2022-11-18 19:55:39,411 INFO L899 garLoopResultBuilder]: For program point L2826(line 2826) no Hoare annotation was computed. [2022-11-18 19:55:39,411 INFO L899 garLoopResultBuilder]: For program point L4247(lines 4247 4253) no Hoare annotation was computed. [2022-11-18 19:55:39,411 INFO L899 garLoopResultBuilder]: For program point L2860(line 2860) no Hoare annotation was computed. [2022-11-18 19:55:39,411 INFO L899 garLoopResultBuilder]: For program point L2893(line 2893) no Hoare annotation was computed. [2022-11-18 19:55:39,411 INFO L895 garLoopResultBuilder]: At program point L1803(line 1803) 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) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,411 INFO L899 garLoopResultBuilder]: For program point L1803-1(lines 1803 1808) no Hoare annotation was computed. [2022-11-18 19:55:39,412 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,412 INFO L895 garLoopResultBuilder]: At program point L1804(lines 1804 1805) 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)) [2022-11-18 19:55:39,412 INFO L895 garLoopResultBuilder]: At program point L1771(line 1771) the Hoare annotation is: false [2022-11-18 19:55:39,412 INFO L899 garLoopResultBuilder]: For program point L1804-1(lines 1804 1805) no Hoare annotation was computed. [2022-11-18 19:55:39,412 INFO L899 garLoopResultBuilder]: For program point L1771-1(line 1771) no Hoare annotation was computed. [2022-11-18 19:55:39,412 INFO L899 garLoopResultBuilder]: For program point L2663(lines 2663 2677) no Hoare annotation was computed. [2022-11-18 19:55:39,413 INFO L895 garLoopResultBuilder]: At program point L1838(line 1838) the Hoare annotation is: (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539)) [2022-11-18 19:55:39,413 INFO L895 garLoopResultBuilder]: At program point L2796(lines 2796 2799) the Hoare annotation is: false [2022-11-18 19:55:39,413 INFO L902 garLoopResultBuilder]: At program point L1838-1(line 1838) the Hoare annotation is: true [2022-11-18 19:55:39,413 INFO L899 garLoopResultBuilder]: For program point L2829(line 2829) no Hoare annotation was computed. [2022-11-18 19:55:39,413 INFO L899 garLoopResultBuilder]: For program point L2796-1(lines 2796 2799) no Hoare annotation was computed. [2022-11-18 19:55:39,413 INFO L899 garLoopResultBuilder]: For program point L3094(lines 3094 3106) no Hoare annotation was computed. [2022-11-18 19:55:39,413 INFO L899 garLoopResultBuilder]: For program point L2896(line 2896) no Hoare annotation was computed. [2022-11-18 19:55:39,414 INFO L899 garLoopResultBuilder]: For program point L2863(line 2863) no Hoare annotation was computed. [2022-11-18 19:55:39,414 INFO L895 garLoopResultBuilder]: At program point L2764(line 2764) the Hoare annotation is: false [2022-11-18 19:55:39,414 INFO L899 garLoopResultBuilder]: For program point L2698(line 2698) no Hoare annotation was computed. [2022-11-18 19:55:39,414 INFO L899 garLoopResultBuilder]: For program point L2764-1(line 2764) no Hoare annotation was computed. [2022-11-18 19:55:39,414 INFO L899 garLoopResultBuilder]: For program point L3029(lines 3029 3041) no Hoare annotation was computed. [2022-11-18 19:55:39,414 INFO L899 garLoopResultBuilder]: For program point L1840(line 1840) no Hoare annotation was computed. [2022-11-18 19:55:39,414 INFO L899 garLoopResultBuilder]: For program point L4252-1(line 4252) no Hoare annotation was computed. [2022-11-18 19:55:39,415 INFO L899 garLoopResultBuilder]: For program point L4252(line 4252) no Hoare annotation was computed. [2022-11-18 19:55:39,415 INFO L899 garLoopResultBuilder]: For program point L2832(line 2832) no Hoare annotation was computed. [2022-11-18 19:55:39,415 INFO L895 garLoopResultBuilder]: At program point L2766(lines 2766 2898) the Hoare annotation is: false [2022-11-18 19:55:39,415 INFO L899 garLoopResultBuilder]: For program point L2733(lines 2733 2735) no Hoare annotation was computed. [2022-11-18 19:55:39,415 INFO L899 garLoopResultBuilder]: For program point L2667-1(line 2667) no Hoare annotation was computed. [2022-11-18 19:55:39,415 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) (= ~jiffies~0 0) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,416 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,416 INFO L899 garLoopResultBuilder]: For program point L3097-1(line 3097) no Hoare annotation was computed. [2022-11-18 19:55:39,416 INFO L895 garLoopResultBuilder]: At program point L3097(line 3097) the Hoare annotation is: (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (<= (+ (* 65536 (div |ULTIMATE.start_ddv_~random~0#1| 65536)) 1) |ULTIMATE.start_ddv_~random~0#1|) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,416 INFO L899 garLoopResultBuilder]: For program point L2866(line 2866) no Hoare annotation was computed. [2022-11-18 19:55:39,416 INFO L902 garLoopResultBuilder]: At program point L1842(line 1842) the Hoare annotation is: true [2022-11-18 19:55:39,416 INFO L899 garLoopResultBuilder]: For program point L1842-1(lines 1836 1843) no Hoare annotation was computed. [2022-11-18 19:55:39,416 INFO L899 garLoopResultBuilder]: For program point L2833(lines 2833 2834) no Hoare annotation was computed. [2022-11-18 19:55:39,417 INFO L899 garLoopResultBuilder]: For program point L2767(line 2767) no Hoare annotation was computed. [2022-11-18 19:55:39,417 INFO L899 garLoopResultBuilder]: For program point L2833-2(lines 2833 2841) no Hoare annotation was computed. [2022-11-18 19:55:39,417 INFO L899 garLoopResultBuilder]: For program point L2768(lines 2768 2775) no Hoare annotation was computed. [2022-11-18 19:55:39,417 INFO L899 garLoopResultBuilder]: For program point L2669-3(line 2669) no Hoare annotation was computed. [2022-11-18 19:55:39,417 INFO L899 garLoopResultBuilder]: For program point L2669-2(lines 2669 2671) no Hoare annotation was computed. [2022-11-18 19:55:39,417 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 (= ~jiffies~0 0)) (.cse5 (= ~next_heartbeat~0 0)) (.cse6 (= ~number_cdev_registered~0 0))) (or (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) .cse3 .cse4 .cse5 .cse6) (and .cse0 (= |ULTIMATE.start_init_kernel_~i~1#1| 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-11-18 19:55:39,418 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 4252) no Hoare annotation was computed. [2022-11-18 19:55:39,418 INFO L899 garLoopResultBuilder]: For program point L2669-4(line 2669) no Hoare annotation was computed. [2022-11-18 19:55:39,418 INFO L899 garLoopResultBuilder]: For program point L2669-6(lines 2669 2671) no Hoare annotation was computed. [2022-11-18 19:55:39,418 INFO L899 garLoopResultBuilder]: For program point L3099(lines 3099 3100) no Hoare annotation was computed. [2022-11-18 19:55:39,418 INFO L899 garLoopResultBuilder]: For program point L3099-2(lines 3099 3105) no Hoare annotation was computed. [2022-11-18 19:55:39,418 INFO L899 garLoopResultBuilder]: For program point L1811(lines 1811 1815) no Hoare annotation was computed. [2022-11-18 19:55:39,418 INFO L899 garLoopResultBuilder]: For program point L2802(line 2802) no Hoare annotation was computed. [2022-11-18 19:55:39,419 INFO L899 garLoopResultBuilder]: For program point L2835-1(lines 2835 2836) no Hoare annotation was computed. [2022-11-18 19:55:39,419 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) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,419 INFO L895 garLoopResultBuilder]: At program point L2835(lines 2835 2836) the Hoare annotation is: false [2022-11-18 19:55:39,419 INFO L899 garLoopResultBuilder]: For program point L1778-1(line 1778) no Hoare annotation was computed. [2022-11-18 19:55:39,419 INFO L899 garLoopResultBuilder]: For program point L2703(line 2703) no Hoare annotation was computed. [2022-11-18 19:55:39,419 INFO L899 garLoopResultBuilder]: For program point L3496(lines 3496 3508) no Hoare annotation was computed. [2022-11-18 19:55:39,420 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2669) no Hoare annotation was computed. [2022-11-18 19:55:39,420 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,420 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) (or (<= (+ |ULTIMATE.start_zf_init_~ret~3#1| 1) 0) (not (<= |ULTIMATE.start_zf_init_~ret~3#1| 0))) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1)) [2022-11-18 19:55:39,420 INFO L899 garLoopResultBuilder]: For program point L2869(line 2869) no Hoare annotation was computed. [2022-11-18 19:55:39,420 INFO L899 garLoopResultBuilder]: For program point L1812-1(lines 1812 1813) no Hoare annotation was computed. [2022-11-18 19:55:39,420 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 2669) no Hoare annotation was computed. [2022-11-18 19:55:39,421 INFO L899 garLoopResultBuilder]: For program point L3035-1(line 3035) no Hoare annotation was computed. [2022-11-18 19:55:39,421 INFO L895 garLoopResultBuilder]: At program point L3035(line 3035) the Hoare annotation is: (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (<= (+ (* 65536 (div |ULTIMATE.start_ddv_~random~0#1| 65536)) 1) |ULTIMATE.start_ddv_~random~0#1|) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,421 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) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,421 INFO L899 garLoopResultBuilder]: For program point L1780-1(line 1780) no Hoare annotation was computed. [2022-11-18 19:55:39,421 INFO L899 garLoopResultBuilder]: For program point L3498(line 3498) no Hoare annotation was computed. [2022-11-18 19:55:39,421 INFO L899 garLoopResultBuilder]: For program point L3498-1(line 3498) no Hoare annotation was computed. [2022-11-18 19:55:39,422 INFO L895 garLoopResultBuilder]: At program point L3102(line 3102) the Hoare annotation is: (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (<= (+ (* 65536 (div |ULTIMATE.start_ddv_~random~0#1| 65536)) 1) |ULTIMATE.start_ddv_~random~0#1|) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,422 INFO L899 garLoopResultBuilder]: For program point L3102-1(line 3102) no Hoare annotation was computed. [2022-11-18 19:55:39,422 INFO L899 garLoopResultBuilder]: For program point L2838(lines 2838 2840) no Hoare annotation was computed. [2022-11-18 19:55:39,422 INFO L895 garLoopResultBuilder]: At program point L1814(lines 1775 1833) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (or (<= (+ |ULTIMATE.start_zf_init_~ret~3#1| 1) 0) (not (<= |ULTIMATE.start_zf_init_~ret~3#1| 0))) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1)) [2022-11-18 19:55:39,422 INFO L899 garLoopResultBuilder]: For program point L1781(lines 1781 1784) no Hoare annotation was computed. [2022-11-18 19:55:39,422 INFO L899 garLoopResultBuilder]: For program point L2805(line 2805) no Hoare annotation was computed. [2022-11-18 19:55:39,423 INFO L899 garLoopResultBuilder]: For program point L2673-3(line 2673) no Hoare annotation was computed. [2022-11-18 19:55:39,423 INFO L899 garLoopResultBuilder]: For program point L2673-2(lines 2673 2676) no Hoare annotation was computed. [2022-11-18 19:55:39,423 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 (= ~jiffies~0 0)) (.cse5 (= ~next_heartbeat~0 0)) (.cse6 (= ~number_cdev_registered~0 0))) (or (and .cse0 (= |ULTIMATE.start_init_kernel_~i~1#1| 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) .cse3 .cse4 (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) .cse5 .cse6))) [2022-11-18 19:55:39,423 INFO L895 garLoopResultBuilder]: At program point L4523(line 4523) the Hoare annotation is: (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,423 INFO L899 garLoopResultBuilder]: For program point L2673-4(line 2673) no Hoare annotation was computed. [2022-11-18 19:55:39,423 INFO L899 garLoopResultBuilder]: For program point L3037(lines 3037 3040) no Hoare annotation was computed. [2022-11-18 19:55:39,424 INFO L899 garLoopResultBuilder]: For program point L3037-2(lines 3037 3040) no Hoare annotation was computed. [2022-11-18 19:55:39,424 INFO L899 garLoopResultBuilder]: For program point L2872(line 2872) no Hoare annotation was computed. [2022-11-18 19:55:39,424 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)) [2022-11-18 19:55:39,424 INFO L899 garLoopResultBuilder]: For program point L1782-1(line 1782) no Hoare annotation was computed. [2022-11-18 19:55:39,424 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,424 INFO L895 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|)) (.cse1 (<= |ULTIMATE.start_init_kernel_~i~1#1| 1))) (or (and (= 0 ~fixed_cdev_used~0) (= ~ddv_ioport_request_len~0 0) (<= (+ 19 |ULTIMATE.start_zf_init_#res#1|) 0) (= ~ddv_ioport_request_start~0 0) .cse0 .cse1 (<= (+ |ULTIMATE.start_##fun~~TO~int_#res#1| 19) 0)) (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) .cse0 (= ~jiffies~0 0) .cse1 (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) (and (or (<= 1 |ULTIMATE.start_zf_init_#res#1|) (<= (+ |ULTIMATE.start_zf_init_#res#1| 1) 0)) .cse0 (= ~number_timer_registered~0 0) (or (<= 1 |ULTIMATE.start_##fun~~TO~int_#res#1|) (<= (+ |ULTIMATE.start_##fun~~TO~int_#res#1| 1) 0)) (or (<= (+ |ULTIMATE.start_zf_init_~ret~3#1| 1) 0) (not (<= |ULTIMATE.start_zf_init_~ret~3#1| 0))) .cse1))) [2022-11-18 19:55:39,425 INFO L895 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: false [2022-11-18 19:55:39,425 INFO L899 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,425 INFO L902 garLoopResultBuilder]: At program point L-1-4(line -1) the Hoare annotation is: true [2022-11-18 19:55:39,425 INFO L899 garLoopResultBuilder]: For program point L2708(line 2708) no Hoare annotation was computed. [2022-11-18 19:55:39,425 INFO L902 garLoopResultBuilder]: At program point L4525(line 4525) the Hoare annotation is: true [2022-11-18 19:55:39,425 INFO L899 garLoopResultBuilder]: For program point L4360(lines 4360 4369) no Hoare annotation was computed. [2022-11-18 19:55:39,426 INFO L899 garLoopResultBuilder]: For program point L2808(line 2808) no Hoare annotation was computed. [2022-11-18 19:55:39,426 INFO L902 garLoopResultBuilder]: At program point L2742(lines 2723 2743) the Hoare annotation is: true [2022-11-18 19:55:39,426 INFO L895 garLoopResultBuilder]: At program point L1818(line 1818) the Hoare annotation is: (and (<= 0 (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0 2147483648)) (<= 1 |ULTIMATE.start_init_kernel_~i~1#1|) (= ~number_timer_registered~0 0) (= ~jiffies~0 0) (<= |ULTIMATE.start_init_kernel_~i~1#1| 1) (= ~next_heartbeat~0 0) (<= (+ ~ddv_ioport_request_len~0 ~ddv_ioport_request_start~0) 539) (= ~number_cdev_registered~0 0)) [2022-11-18 19:55:39,426 INFO L899 garLoopResultBuilder]: For program point L2875(line 2875) no Hoare annotation was computed. [2022-11-18 19:55:39,426 INFO L899 garLoopResultBuilder]: For program point L1818-1(line 1818) no Hoare annotation was computed. [2022-11-18 19:55:39,426 INFO L902 garLoopResultBuilder]: At program point L3262(lines 3257 3263) the Hoare annotation is: true [2022-11-18 19:55:39,427 INFO L899 garLoopResultBuilder]: For program point L3260(line 3260) no Hoare annotation was computed. [2022-11-18 19:55:39,427 INFO L902 garLoopResultBuilder]: At program point L1687(lines 1665 1688) the Hoare annotation is: true [2022-11-18 19:55:39,427 INFO L899 garLoopResultBuilder]: For program point L1683(line 1683) no Hoare annotation was computed. [2022-11-18 19:55:39,427 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~intENTRY(line -1) the Hoare annotation is: true [2022-11-18 19:55:39,427 INFO L899 garLoopResultBuilder]: For program point L1679(line 1679) no Hoare annotation was computed. [2022-11-18 19:55:39,427 INFO L899 garLoopResultBuilder]: For program point L1671(line 1671) no Hoare annotation was computed. [2022-11-18 19:55:39,427 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,428 INFO L902 garLoopResultBuilder]: At program point L3267(lines 3267 3268) the Hoare annotation is: true [2022-11-18 19:55:39,428 INFO L902 garLoopResultBuilder]: At program point L3259(lines 3259 3260) the Hoare annotation is: true [2022-11-18 19:55:39,428 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,428 INFO L902 garLoopResultBuilder]: At program point L1680(line 1680) the Hoare annotation is: true [2022-11-18 19:55:39,428 INFO L899 garLoopResultBuilder]: For program point L1676(line 1676) no Hoare annotation was computed. [2022-11-18 19:55:39,428 INFO L899 garLoopResultBuilder]: For program point L1672(lines 1672 1673) no Hoare annotation was computed. [2022-11-18 19:55:39,428 INFO L902 garLoopResultBuilder]: At program point L3270(lines 3265 3271) the Hoare annotation is: true [2022-11-18 19:55:39,429 INFO L902 garLoopResultBuilder]: At program point L1670(lines 1670 1685) the Hoare annotation is: true [2022-11-18 19:55:39,429 INFO L899 garLoopResultBuilder]: For program point L3268(line 3268) no Hoare annotation was computed. [2022-11-18 19:55:39,429 INFO L899 garLoopResultBuilder]: For program point cdev_addFINAL(lines 3846 3869) no Hoare annotation was computed. [2022-11-18 19:55:39,429 INFO L899 garLoopResultBuilder]: For program point cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3862) no Hoare annotation was computed. [2022-11-18 19:55:39,429 INFO L902 garLoopResultBuilder]: At program point cdev_addENTRY(lines 3846 3869) the Hoare annotation is: true [2022-11-18 19:55:39,429 INFO L899 garLoopResultBuilder]: For program point L3862(line 3862) no Hoare annotation was computed. [2022-11-18 19:55:39,430 INFO L899 garLoopResultBuilder]: For program point L3862-1(line 3862) no Hoare annotation was computed. [2022-11-18 19:55:39,430 INFO L899 garLoopResultBuilder]: For program point cdev_addEXIT(lines 3846 3869) no Hoare annotation was computed. [2022-11-18 19:55:39,430 INFO L899 garLoopResultBuilder]: For program point L3854(lines 3854 3866) no Hoare annotation was computed. [2022-11-18 19:55:39,430 INFO L899 garLoopResultBuilder]: For program point L3855(lines 3855 3865) no Hoare annotation was computed. [2022-11-18 19:55:39,430 INFO L902 garLoopResultBuilder]: At program point L3852(line 3852) the Hoare annotation is: true [2022-11-18 19:55:39,430 INFO L899 garLoopResultBuilder]: For program point L3852-1(lines 3847 3869) no Hoare annotation was computed. [2022-11-18 19:55:39,430 INFO L899 garLoopResultBuilder]: For program point cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 3862) no Hoare annotation was computed. [2022-11-18 19:55:39,431 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2022-11-18 19:55:39,431 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1622 1663) the Hoare annotation is: true [2022-11-18 19:55:39,431 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,431 INFO L902 garLoopResultBuilder]: At program point L3246(lines 3241 3247) the Hoare annotation is: true [2022-11-18 19:55:39,431 INFO L899 garLoopResultBuilder]: For program point L1646(lines 1646 1649) no Hoare annotation was computed. [2022-11-18 19:55:39,431 INFO L899 garLoopResultBuilder]: For program point L3244(line 3244) no Hoare annotation was computed. [2022-11-18 19:55:39,431 INFO L899 garLoopResultBuilder]: For program point L1644(lines 1644 1645) no Hoare annotation was computed. [2022-11-18 19:55:39,432 INFO L899 garLoopResultBuilder]: For program point L1642-2(lines 1642 1650) no Hoare annotation was computed. [2022-11-18 19:55:39,432 INFO L902 garLoopResultBuilder]: At program point L1642-3(lines 1642 1650) the Hoare annotation is: true [2022-11-18 19:55:39,432 INFO L899 garLoopResultBuilder]: For program point L1632(lines 1632 1651) no Hoare annotation was computed. [2022-11-18 19:55:39,432 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 1632 1651) no Hoare annotation was computed. [2022-11-18 19:55:39,432 INFO L899 garLoopResultBuilder]: For program point L1626(lines 1626 1660) no Hoare annotation was computed. [2022-11-18 19:55:39,432 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:55:39,432 INFO L899 garLoopResultBuilder]: For program point L1626-2(lines 1626 1660) no Hoare annotation was computed. [2022-11-18 19:55:39,433 INFO L902 garLoopResultBuilder]: At program point L3243(lines 3243 3244) the Hoare annotation is: true [2022-11-18 19:55:39,433 INFO L902 garLoopResultBuilder]: At program point L1513(line 1513) the Hoare annotation is: true [2022-11-18 19:55:39,433 INFO L902 garLoopResultBuilder]: At program point L1513-1(line 1513) the Hoare annotation is: true [2022-11-18 19:55:39,433 INFO L899 garLoopResultBuilder]: For program point zf_set_controlEXIT(lines 1511 1514) no Hoare annotation was computed. [2022-11-18 19:55:39,433 INFO L902 garLoopResultBuilder]: At program point zf_set_controlENTRY(lines 1511 1514) the Hoare annotation is: true [2022-11-18 19:55:39,433 INFO L899 garLoopResultBuilder]: For program point zf_set_controlFINAL(lines 1511 1514) no Hoare annotation was computed. [2022-11-18 19:55:39,437 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:39,440 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:55:39,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:55:39 BoogieIcfgContainer [2022-11-18 19:55:39,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:55:39,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:55:39,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:55:39,465 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:55:39,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:54:32" (3/4) ... [2022-11-18 19:55:39,469 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 19:55:39,477 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2022-11-18 19:55:39,477 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2022-11-18 19:55:39,477 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2022-11-18 19:55:39,477 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2022-11-18 19:55:39,477 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2022-11-18 19:55:39,477 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2022-11-18 19:55:39,477 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:55:39,478 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2022-11-18 19:55:39,478 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2022-11-18 19:55:39,478 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 19:55:39,478 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-18 19:55:39,478 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2022-11-18 19:55:39,478 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2022-11-18 19:55:39,478 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2022-11-18 19:55:39,478 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2022-11-18 19:55:39,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-18 19:55:39,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2022-11-18 19:55:39,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2022-11-18 19:55:39,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2022-11-18 19:55:39,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2022-11-18 19:55:39,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2022-11-18 19:55:39,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2022-11-18 19:55:39,479 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2022-11-18 19:55:39,480 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2022-11-18 19:55:39,480 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-11-18 19:55:39,480 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2022-11-18 19:55:39,480 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-18 19:55:39,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2022-11-18 19:55:39,498 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 147 nodes and edges [2022-11-18 19:55:39,500 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2022-11-18 19:55:39,502 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-18 19:55:39,503 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 19:55:39,505 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 19:55:39,507 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:55:39,537 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= \result || \result + 1 <= 0) && 1 <= i) && number_timer_registered == 0) && (ret + 1 <= 0 || !(ret <= 0))) && i <= 1) || ((((((0 <= ddv_ioport_request_len + ddv_ioport_request_start + 2147483648 && 1 <= i) && jiffies == 0) && i <= 1) && next_heartbeat == 0) && ddv_ioport_request_len + ddv_ioport_request_start <= 539) && 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) [2022-11-18 19:55:39,537 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == fixed_cdev_used && ddv_ioport_request_len == 0) && 19 + \result <= 0) && ddv_ioport_request_start == 0) && 1 <= i) && i <= 1) && \result + 19 <= 0) || ((((((0 <= ddv_ioport_request_len + ddv_ioport_request_start + 2147483648 && 1 <= i) && jiffies == 0) && i <= 1) && next_heartbeat == 0) && ddv_ioport_request_len + ddv_ioport_request_start <= 539) && number_cdev_registered == 0)) || ((((((1 <= \result || \result + 1 <= 0) && 1 <= i) && number_timer_registered == 0) && (1 <= \result || \result + 1 <= 0)) && (ret + 1 <= 0 || !(ret <= 0))) && i <= 1) [2022-11-18 19:55:39,661 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:55:39,661 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:55:39,663 INFO L158 Benchmark]: Toolchain (without parser) took 72556.76ms. Allocated memory was 117.4MB in the beginning and 627.0MB in the end (delta: 509.6MB). Free memory was 77.9MB in the beginning and 449.0MB in the end (delta: -371.1MB). Peak memory consumption was 139.0MB. Max. memory is 16.1GB. [2022-11-18 19:55:39,663 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 88.1MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:55:39,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2265.99ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 53.1MB in the end (delta: 24.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-18 19:55:39,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 204.50ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 53.1MB in the beginning and 115.0MB in the end (delta: -61.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2022-11-18 19:55:39,664 INFO L158 Benchmark]: Boogie Preprocessor took 86.62ms. Allocated memory is still 155.2MB. Free memory was 115.0MB in the beginning and 107.5MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 19:55:39,665 INFO L158 Benchmark]: RCFGBuilder took 3265.03ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 84.6MB in the end (delta: 22.9MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2022-11-18 19:55:39,666 INFO L158 Benchmark]: TraceAbstraction took 66531.20ms. Allocated memory was 155.2MB in the beginning and 627.0MB in the end (delta: 471.9MB). Free memory was 83.6MB in the beginning and 467.3MB in the end (delta: -383.8MB). Peak memory consumption was 354.4MB. Max. memory is 16.1GB. [2022-11-18 19:55:39,669 INFO L158 Benchmark]: Witness Printer took 196.47ms. Allocated memory is still 627.0MB. Free memory was 467.3MB in the beginning and 449.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 19:55:39,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 88.1MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2265.99ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 53.1MB in the end (delta: 24.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 204.50ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 53.1MB in the beginning and 115.0MB in the end (delta: -61.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.62ms. Allocated memory is still 155.2MB. Free memory was 115.0MB in the beginning and 107.5MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3265.03ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 84.6MB in the end (delta: 22.9MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * TraceAbstraction took 66531.20ms. Allocated memory was 155.2MB in the beginning and 627.0MB in the end (delta: 471.9MB). Free memory was 83.6MB in the beginning and 467.3MB in the end (delta: -383.8MB). Peak memory consumption was 354.4MB. Max. memory is 16.1GB. * Witness Printer took 196.47ms. Allocated memory is still 627.0MB. Free memory was 467.3MB in the beginning and 449.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. 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: 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, 392 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 66.4s, OverallIterations: 20, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 41.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8764 SdHoareTripleChecker+Valid, 38.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8291 mSDsluCounter, 27688 SdHoareTripleChecker+Invalid, 35.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20810 mSDsCounter, 3754 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14986 IncrementalHoareTripleChecker+Invalid, 18740 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3754 mSolverCounterUnsat, 6878 mSDtfsCounter, 14986 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 850 GetRequests, 643 SyntacticMatches, 11 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1381occurred in iteration=12, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 745 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 134 LocationsWithAnnotation, 3911 PreInvPairs, 4139 NumberOfFragments, 1812 HoareAnnotationTreeSize, 3911 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 134 FomulaSimplificationsInter, 5546 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 5.6s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 2256 NumberOfCodeBlocks, 2256 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2369 ConstructedInterpolants, 0 QuantifiedInterpolants, 5802 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3667 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 27 InterpolantComputations, 17 PerfectInterpolantSequences, 2801/3112 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 18 specifications checked. All of them hold - InvariantResult [Line: 1774]: Loop Invariant Derived loop invariant: ((((((1 <= \result || \result + 1 <= 0) && 1 <= i) && number_timer_registered == 0) && (ret + 1 <= 0 || !(ret <= 0))) && i <= 1) || ((((((0 <= ddv_ioport_request_len + ddv_ioport_request_start + 2147483648 && 1 <= i) && jiffies == 0) && i <= 1) && next_heartbeat == 0) && ddv_ioport_request_len + ddv_ioport_request_start <= 539) && 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) - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: ((1 <= i && number_timer_registered == 0) && (ret + 1 <= 0 || !(ret <= 0))) && i <= 1 - InvariantResult [Line: 4504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((((((538 <= port && port <= 538) || !(number_cdev_registered == 0)) || !(ddv_ioport_request_len + ddv_ioport_request_start <= 539)) || !(jiffies == 0)) || !(0 <= ddv_ioport_request_len + ddv_ioport_request_start + 2147483648)) || !(next_heartbeat == 0)) && ((((((!(ddv_ioport_request_len == 0) || !(number_cdev_registered == 0)) || !(0 == fixed_cdev_used)) || !(jiffies == 0)) || !(ddv_ioport_request_start == 0)) || !(number_timer_registered == 0)) || !(next_heartbeat == 0)) - InvariantResult [Line: 1708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: ((1 <= i && number_timer_registered == 0) && (ret + 1 <= 0 || !(ret <= 0))) && i <= 1 - InvariantResult [Line: 3960]: Loop Invariant Derived loop invariant: ((((((538 <= port && port <= 538) || !(number_cdev_registered == 0)) || !(ddv_ioport_request_len + ddv_ioport_request_start <= 539)) || !(jiffies == 0)) || !(0 <= ddv_ioport_request_len + ddv_ioport_request_start + 2147483648)) || !(next_heartbeat == 0)) && ((((((!(ddv_ioport_request_len == 0) || !(number_cdev_registered == 0)) || !(0 == fixed_cdev_used)) || !(jiffies == 0)) || !(ddv_ioport_request_start == 0)) || !(number_timer_registered == 0)) || !(next_heartbeat == 0)) - InvariantResult [Line: 3257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2673]: Loop Invariant Derived loop invariant: (((((((0 == fixed_cdev_used && i == 0) && ddv_ioport_request_len == 0) && ddv_ioport_request_start == 0) && number_timer_registered == 0) && jiffies == 0) && next_heartbeat == 0) && number_cdev_registered == 0) || ((((((((0 == fixed_cdev_used && ddv_ioport_request_len == 0) && ddv_ioport_request_start == 0) && 1 <= i) && number_timer_registered == 0) && jiffies == 0) && i <= 1) && next_heartbeat == 0) && number_cdev_registered == 0) - InvariantResult [Line: 3491]: Loop Invariant Derived loop invariant: (((((((ddv_ioport_request_len == 0 && ddv_ioport_request_start == 0) && 1 <= i) && number_timer_registered == 0) && jiffies == 0) && (ret + 1 <= 0 || !(ret <= 0))) && i <= 1) && next_heartbeat == 0) && number_cdev_registered == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2683]: Loop Invariant Derived loop invariant: (((((0 <= ddv_ioport_request_len + ddv_ioport_request_start + 2147483648 && 1 <= i) && jiffies == 0) && i <= 1) && next_heartbeat == 0) && ddv_ioport_request_len + ddv_ioport_request_start <= 539) && number_cdev_registered == 0 - InvariantResult [Line: 2748]: Loop Invariant Derived loop invariant: ((((((0 <= ddv_ioport_request_len + ddv_ioport_request_start + 2147483648 && 1 <= i) && 65536 * (random / 65536) + 1 <= random) && jiffies == 0) && i <= 1) && next_heartbeat == 0) && ddv_ioport_request_len + ddv_ioport_request_start <= 539) && number_cdev_registered == 0 - InvariantResult [Line: 1848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1690]: Loop Invariant Derived loop invariant: 1 - 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) && jiffies == 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) && jiffies == 0) && next_heartbeat == 0) && number_cdev_registered == 0) - InvariantResult [Line: 4523]: Loop Invariant Derived loop invariant: ((((((0 <= ddv_ioport_request_len + ddv_ioport_request_start + 2147483648 && 1 <= i) && number_timer_registered == 0) && jiffies == 0) && i <= 1) && next_heartbeat == 0) && ddv_ioport_request_len + ddv_ioport_request_start <= 539) && number_cdev_registered == 0 - InvariantResult [Line: 2686]: Loop Invariant Derived loop invariant: (((((0 <= ddv_ioport_request_len + ddv_ioport_request_start + 2147483648 && 1 <= i) && jiffies == 0) && i <= 1) && next_heartbeat == 0) && ddv_ioport_request_len + ddv_ioport_request_start <= 539) && number_cdev_registered == 0 - InvariantResult [Line: 4506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1670]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1775]: Loop Invariant Derived loop invariant: ((1 <= i && number_timer_registered == 0) && (ret + 1 <= 0 || !(ret <= 0))) && i <= 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((((((0 == fixed_cdev_used && ddv_ioport_request_len == 0) && 19 + \result <= 0) && ddv_ioport_request_start == 0) && 1 <= i) && i <= 1) && \result + 19 <= 0) || ((((((0 <= ddv_ioport_request_len + ddv_ioport_request_start + 2147483648 && 1 <= i) && jiffies == 0) && i <= 1) && next_heartbeat == 0) && ddv_ioport_request_len + ddv_ioport_request_start <= 539) && number_cdev_registered == 0)) || ((((((1 <= \result || \result + 1 <= 0) && 1 <= i) && number_timer_registered == 0) && (1 <= \result || \result + 1 <= 0)) && (ret + 1 <= 0 || !(ret <= 0))) && i <= 1) - InvariantResult [Line: 4498]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1665]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 19:55:39,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_453d0291-6bec-444b-be6e-05d08f2b3b5b/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE