./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 --- 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-5e519f3 [2022-11-02 20:51:09,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:51:09,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:51:09,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:51:09,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:51:09,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:51:09,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:51:09,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:51:09,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:51:09,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:51:09,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:51:09,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:51:09,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:51:09,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:51:09,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:51:09,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:51:09,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:51:09,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:51:09,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:51:09,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:51:09,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:51:09,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:51:09,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:51:09,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:51:09,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:51:09,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:51:09,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:51:09,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:51:09,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:51:09,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:51:09,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:51:09,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:51:09,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:51:09,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:51:09,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:51:09,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:51:09,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:51:09,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:51:09,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:51:09,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:51:09,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:51:09,811 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:51:09,862 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:51:09,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:51:09,863 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:51:09,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:51:09,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:51:09,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:51:09,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:51:09,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:51:09,866 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:51:09,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:51:09,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:51:09,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:51:09,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:51:09,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:51:09,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:51:09,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:51:09,869 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:51:09,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:51:09,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:51:09,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:51:09,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:51:09,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:51:09,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:51:09,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:51:09,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:51:09,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:51:09,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:51:09,873 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:51:09,873 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:51:09,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:51:09,874 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_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee9ed3068f3b87df6cf8a5420a13d45365c61647fcde61bb8adac513f0f70bd0 [2022-11-02 20:51:10,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:51:10,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:51:10,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:51:10,286 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:51:10,287 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:51:10,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-11-02 20:51:10,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc/data/fc3dffae9/841786be677045a3b51a02d64088ca82/FLAG67f570c90 [2022-11-02 20:51:11,518 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:51:11,520 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878fcff7-48cc-4e6b-b305-706155ce150c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-11-02 20:51:11,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc/data/fc3dffae9/841786be677045a3b51a02d64088ca82/FLAG67f570c90 [2022-11-02 20:51:11,767 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc/data/fc3dffae9/841786be677045a3b51a02d64088ca82 [2022-11-02 20:51:11,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:51:11,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:51:11,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:51:11,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:51:11,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:51:11,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:51:11" (1/1) ... [2022-11-02 20:51:11,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2588c116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:11, skipping insertion in model container [2022-11-02 20:51:11,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:51:11" (1/1) ... [2022-11-02 20:51:11,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:51:11,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:51:16,530 WARN L230 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_878fcff7-48cc-4e6b-b305-706155ce150c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2022-11-02 20:51:16,534 WARN L230 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_878fcff7-48cc-4e6b-b305-706155ce150c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2022-11-02 20:51:16,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:51:16,650 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:51:17,296 WARN L230 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_878fcff7-48cc-4e6b-b305-706155ce150c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[464872,464885] [2022-11-02 20:51:17,296 WARN L230 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_878fcff7-48cc-4e6b-b305-706155ce150c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[465017,465030] [2022-11-02 20:51:17,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:51:17,621 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:51:17,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:17 WrapperNode [2022-11-02 20:51:17,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:51:17,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:51:17,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:51:17,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:51:17,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:17" (1/1) ... [2022-11-02 20:51:17,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:17" (1/1) ... [2022-11-02 20:51:18,079 INFO L138 Inliner]: procedures = 567, calls = 4460, calls flagged for inlining = 273, calls inlined = 252, statements flattened = 9108 [2022-11-02 20:51:18,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:51:18,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:51:18,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:51:18,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:51:18,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:17" (1/1) ... [2022-11-02 20:51:18,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:17" (1/1) ... [2022-11-02 20:51:18,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:17" (1/1) ... [2022-11-02 20:51:18,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:17" (1/1) ... [2022-11-02 20:51:18,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:17" (1/1) ... [2022-11-02 20:51:18,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:17" (1/1) ... [2022-11-02 20:51:18,575 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:17" (1/1) ... [2022-11-02 20:51:18,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:17" (1/1) ... [2022-11-02 20:51:18,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:51:18,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:51:18,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:51:18,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:51:18,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:17" (1/1) ... [2022-11-02 20:51:18,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:51:18,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:51:18,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:51:18,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_878fcff7-48cc-4e6b-b305-706155ce150c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:51:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 20:51:18,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 20:51:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:51:18,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:51:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-02 20:51:18,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-02 20:51:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-11-02 20:51:18,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-11-02 20:51:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-11-02 20:51:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-11-02 20:51:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 20:51:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 20:51:18,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2022-11-02 20:51:18,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2022-11-02 20:51:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:51:18,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:51:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 20:51:18,782 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 20:51:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-11-02 20:51:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-11-02 20:51:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-11-02 20:51:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-11-02 20:51:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-02 20:51:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-02 20:51:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-11-02 20:51:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-11-02 20:51:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 20:51:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 20:51:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-02 20:51:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-02 20:51:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-02 20:51:18,785 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-02 20:51:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-11-02 20:51:18,785 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-11-02 20:51:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-02 20:51:18,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-02 20:51:18,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-02 20:51:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-02 20:51:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:51:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:51:18,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-11-02 20:51:18,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-11-02 20:51:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-11-02 20:51:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-11-02 20:51:18,788 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-11-02 20:51:18,788 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-11-02 20:51:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 20:51:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 20:51:18,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 20:51:18,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 20:51:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 20:51:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 20:51:18,790 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-02 20:51:18,790 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-02 20:51:18,791 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-02 20:51:18,792 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-02 20:51:18,792 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-02 20:51:18,792 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-02 20:51:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-02 20:51:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-02 20:51:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:51:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:51:18,793 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-02 20:51:18,793 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-02 20:51:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:51:18,794 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:51:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-02 20:51:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-02 20:51:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:51:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-11-02 20:51:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-11-02 20:51:18,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-02 20:51:18,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-02 20:51:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:51:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:51:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2022-11-02 20:51:18,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2022-11-02 20:51:18,797 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:51:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:51:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-11-02 20:51:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-11-02 20:51:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:51:18,798 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-11-02 20:51:18,798 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-11-02 20:51:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-02 20:51:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-02 20:51:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-11-02 20:51:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-11-02 20:51:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:51:18,800 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:51:18,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-02 20:51:18,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-02 20:51:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:51:18,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:51:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:51:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2022-11-02 20:51:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2022-11-02 20:51:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 20:51:18,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 20:51:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:51:18,803 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-11-02 20:51:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-11-02 20:51:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-11-02 20:51:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-11-02 20:51:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 20:51:18,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 20:51:18,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:51:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:51:18,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-02 20:51:18,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-02 20:51:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-02 20:51:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-02 20:51:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 20:51:18,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 20:51:18,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-02 20:51:18,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-02 20:51:18,808 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-11-02 20:51:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-11-02 20:51:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2022-11-02 20:51:18,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2022-11-02 20:51:18,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-11-02 20:51:18,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-11-02 20:51:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 20:51:18,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 20:51:18,814 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-11-02 20:51:18,815 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-11-02 20:51:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:51:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:51:18,821 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-11-02 20:51:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-11-02 20:51:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:51:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-02 20:51:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-02 20:51:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-11-02 20:51:18,822 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-11-02 20:51:18,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-02 20:51:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-02 20:51:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-02 20:51:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-02 20:51:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-02 20:51:18,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-02 20:51:18,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-02 20:51:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-02 20:51:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:51:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 20:51:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 20:51:18,824 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 20:51:18,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 20:51:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:51:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-02 20:51:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-02 20:51:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:51:18,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:51:18,825 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-02 20:51:18,826 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-02 20:51:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:51:18,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:51:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-02 20:51:18,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-02 20:51:18,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-02 20:51:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-02 20:51:18,827 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-11-02 20:51:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-11-02 20:51:18,827 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-02 20:51:18,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-02 20:51:18,827 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-11-02 20:51:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-11-02 20:51:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-02 20:51:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-02 20:51:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:51:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-02 20:51:18,828 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-11-02 20:51:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-11-02 20:51:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-11-02 20:51:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2022-11-02 20:51:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-02 20:51:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-02 20:51:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-11-02 20:51:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-11-02 20:51:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:51:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:51:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-02 20:51:18,830 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-02 20:51:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-11-02 20:51:18,831 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-11-02 20:51:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-02 20:51:18,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-02 20:51:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-11-02 20:51:18,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-11-02 20:51:18,831 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-11-02 20:51:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-11-02 20:51:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-02 20:51:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-02 20:51:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-11-02 20:51:18,832 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-11-02 20:51:18,832 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-02 20:51:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-02 20:51:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-11-02 20:51:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-11-02 20:51:18,833 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-11-02 20:51:18,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-11-02 20:51:18,834 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-02 20:51:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-02 20:51:18,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:51:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:51:18,834 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-11-02 20:51:18,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-11-02 20:51:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:51:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:51:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:51:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:51:18,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-02 20:51:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-02 20:51:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-02 20:51:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-02 20:51:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-02 20:51:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-02 20:51:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:51:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:51:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-02 20:51:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-02 20:51:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-02 20:51:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-02 20:51:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-02 20:51:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-02 20:51:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:51:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2022-11-02 20:51:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2022-11-02 20:51:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-02 20:51:18,838 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-02 20:51:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-02 20:51:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-02 20:51:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:51:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-11-02 20:51:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-11-02 20:51:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-11-02 20:51:18,839 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-11-02 20:51:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:51:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-02 20:51:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-02 20:51:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-02 20:51:18,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-02 20:51:18,840 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-02 20:51:18,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-02 20:51:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 20:51:18,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 20:51:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-02 20:51:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-02 20:51:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-02 20:51:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-02 20:51:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-11-02 20:51:18,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-11-02 20:51:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-11-02 20:51:18,847 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-11-02 20:51:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-02 20:51:18,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-02 20:51:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-02 20:51:18,850 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-02 20:51:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-11-02 20:51:18,850 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-11-02 20:51:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2022-11-02 20:51:18,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2022-11-02 20:51:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-02 20:51:18,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-02 20:51:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 20:51:18,851 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 20:51:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-02 20:51:18,852 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-02 20:51:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2022-11-02 20:51:18,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2022-11-02 20:51:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:51:18,852 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:51:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-11-02 20:51:18,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-11-02 20:51:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:51:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-11-02 20:51:18,853 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-11-02 20:51:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-02 20:51:18,853 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-02 20:51:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-02 20:51:18,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-02 20:51:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:51:18,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:51:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-11-02 20:51:18,854 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-11-02 20:51:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-11-02 20:51:18,855 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-11-02 20:51:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-02 20:51:18,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-02 20:51:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-11-02 20:51:18,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-11-02 20:51:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-02 20:51:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-02 20:51:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-11-02 20:51:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-11-02 20:51:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-11-02 20:51:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-11-02 20:51:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 20:51:18,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 20:51:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-02 20:51:18,857 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-02 20:51:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-02 20:51:18,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-02 20:51:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-02 20:51:18,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-02 20:51:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-11-02 20:51:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-11-02 20:51:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:51:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:51:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2022-11-02 20:51:18,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2022-11-02 20:51:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-11-02 20:51:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-11-02 20:51:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:51:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-02 20:51:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-02 20:51:18,859 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-02 20:51:18,860 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-02 20:51:20,061 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:51:20,069 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:51:21,579 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:51:29,650 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-02 20:51:29,786 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:51:29,820 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:51:29,820 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:51:29,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:51:29 BoogieIcfgContainer [2022-11-02 20:51:29,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:51:29,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:51:29,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:51:29,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:51:29,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:51:11" (1/3) ... [2022-11-02 20:51:29,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d57466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:51:29, skipping insertion in model container [2022-11-02 20:51:29,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:17" (2/3) ... [2022-11-02 20:51:29,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d57466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:51:29, skipping insertion in model container [2022-11-02 20:51:29,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:51:29" (3/3) ... [2022-11-02 20:51:29,836 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-11-02 20:51:29,856 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:51:29,856 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:51:30,049 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:51:30,055 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;@8a196f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:51:30,055 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:51:30,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 3113 states, 2159 states have (on average 1.3432144511347845) internal successors, (2900), 2228 states have internal predecessors, (2900), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) [2022-11-02 20:51:30,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-02 20:51:30,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:30,139 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:51:30,140 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:51:30,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:30,150 INFO L85 PathProgramCache]: Analyzing trace with hash 42962448, now seen corresponding path program 1 times [2022-11-02 20:51:30,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:30,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248950923] [2022-11-02 20:51:30,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:30,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:51:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:51:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:51:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:51:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:51:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:51:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:51:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:51:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:51:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:51:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:51:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:51:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:51:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:51:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:51:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:51:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:51:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:51:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:32,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-02 20:51:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:32,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-02 20:51:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:32,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-02 20:51:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:32,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 20:51:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:32,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-11-02 20:51:32,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:32,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248950923] [2022-11-02 20:51:32,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248950923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:32,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:32,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:51:32,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358021083] [2022-11-02 20:51:32,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:32,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:51:32,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:32,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:51:32,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:51:32,113 INFO L87 Difference]: Start difference. First operand has 3113 states, 2159 states have (on average 1.3432144511347845) internal successors, (2900), 2228 states have internal predecessors, (2900), 803 states have call successors, (803), 151 states have call predecessors, (803), 150 states have return successors, (794), 779 states have call predecessors, (794), 794 states have call successors, (794) Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-02 20:51:41,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:41,318 INFO L93 Difference]: Finished difference Result 9171 states and 13461 transitions. [2022-11-02 20:51:41,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:51:41,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 256 [2022-11-02 20:51:41,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:41,394 INFO L225 Difference]: With dead ends: 9171 [2022-11-02 20:51:41,394 INFO L226 Difference]: Without dead ends: 5974 [2022-11-02 20:51:41,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:51:41,431 INFO L413 NwaCegarLoop]: 4768 mSDtfsCounter, 4919 mSDsluCounter, 4880 mSDsCounter, 0 mSdLazyCounter, 3286 mSolverCounterSat, 2260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5616 SdHoareTripleChecker+Valid, 9648 SdHoareTripleChecker+Invalid, 5546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2260 IncrementalHoareTripleChecker+Valid, 3286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:41,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5616 Valid, 9648 Invalid, 5546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2260 Valid, 3286 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2022-11-02 20:51:41,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5974 states. [2022-11-02 20:51:41,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5974 to 5931. [2022-11-02 20:51:41,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5931 states, 4158 states have (on average 1.3369408369408369) internal successors, (5559), 4292 states have internal predecessors, (5559), 1479 states have call successors, (1479), 293 states have call predecessors, (1479), 293 states have return successors, (1479), 1448 states have call predecessors, (1479), 1479 states have call successors, (1479) [2022-11-02 20:51:41,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5931 states to 5931 states and 8517 transitions. [2022-11-02 20:51:41,883 INFO L78 Accepts]: Start accepts. Automaton has 5931 states and 8517 transitions. Word has length 256 [2022-11-02 20:51:41,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:41,885 INFO L495 AbstractCegarLoop]: Abstraction has 5931 states and 8517 transitions. [2022-11-02 20:51:41,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-02 20:51:41,885 INFO L276 IsEmpty]: Start isEmpty. Operand 5931 states and 8517 transitions. [2022-11-02 20:51:41,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-02 20:51:41,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:41,896 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:51:41,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:51:41,897 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:51:41,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:41,897 INFO L85 PathProgramCache]: Analyzing trace with hash -39351180, now seen corresponding path program 1 times [2022-11-02 20:51:41,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:41,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722374274] [2022-11-02 20:51:41,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:41,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:51:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:51:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:51:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:51:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:51:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:51:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:51:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:51:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:51:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:51:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:51:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:51:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:51:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:51:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:42,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:43,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:51:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:43,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:43,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:51:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:43,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:43,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:51:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:43,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:43,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:51:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:43,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-02 20:51:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:43,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-02 20:51:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:43,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-02 20:51:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:43,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-02 20:51:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-11-02 20:51:43,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:43,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722374274] [2022-11-02 20:51:43,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722374274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:43,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:43,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:51:43,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370985568] [2022-11-02 20:51:43,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:43,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:51:43,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:43,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:51:43,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:51:43,138 INFO L87 Difference]: Start difference. First operand 5931 states and 8517 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-02 20:51:51,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:51,564 INFO L93 Difference]: Finished difference Result 17383 states and 25061 transitions. [2022-11-02 20:51:51,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:51:51,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 257 [2022-11-02 20:51:51,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:51,657 INFO L225 Difference]: With dead ends: 17383 [2022-11-02 20:51:51,658 INFO L226 Difference]: Without dead ends: 11491 [2022-11-02 20:51:51,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:51:51,700 INFO L413 NwaCegarLoop]: 5542 mSDtfsCounter, 4500 mSDsluCounter, 5198 mSDsCounter, 0 mSdLazyCounter, 3239 mSolverCounterSat, 1910 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5163 SdHoareTripleChecker+Valid, 10740 SdHoareTripleChecker+Invalid, 5149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 3239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:51,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5163 Valid, 10740 Invalid, 5149 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1910 Valid, 3239 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-11-02 20:51:51,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11491 states. [2022-11-02 20:51:52,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11491 to 11407. [2022-11-02 20:51:52,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11407 states, 7979 states have (on average 1.3368843213435269) internal successors, (10667), 8247 states have internal predecessors, (10667), 2850 states have call successors, (2850), 577 states have call predecessors, (2850), 577 states have return successors, (2850), 2787 states have call predecessors, (2850), 2850 states have call successors, (2850) [2022-11-02 20:51:52,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11407 states to 11407 states and 16367 transitions. [2022-11-02 20:51:52,442 INFO L78 Accepts]: Start accepts. Automaton has 11407 states and 16367 transitions. Word has length 257 [2022-11-02 20:51:52,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:52,443 INFO L495 AbstractCegarLoop]: Abstraction has 11407 states and 16367 transitions. [2022-11-02 20:51:52,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-02 20:51:52,445 INFO L276 IsEmpty]: Start isEmpty. Operand 11407 states and 16367 transitions. [2022-11-02 20:51:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-11-02 20:51:52,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:52,459 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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, 1, 1, 1, 1, 1] [2022-11-02 20:51:52,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:51:52,460 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:51:52,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:52,460 INFO L85 PathProgramCache]: Analyzing trace with hash -606614164, now seen corresponding path program 1 times [2022-11-02 20:51:52,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:52,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941827196] [2022-11-02 20:51:52,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:52,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:51:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:51:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:51:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:51:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:51:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:51:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:51:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:51:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:51:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:51:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:51:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:51:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:51:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:51:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:51:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:51:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:51:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:51:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-02 20:51:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-02 20:51:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-02 20:51:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-02 20:51:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 20:51:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:51:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-02 20:51:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-02 20:51:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:53,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2022-11-02 20:51:53,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:53,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941827196] [2022-11-02 20:51:53,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941827196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:53,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:53,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:51:53,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424788675] [2022-11-02 20:51:53,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:53,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:51:53,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:53,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:51:53,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:51:53,525 INFO L87 Difference]: Start difference. First operand 11407 states and 16367 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-11-02 20:51:58,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:52:10,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:52:10,037 INFO L93 Difference]: Finished difference Result 33867 states and 48869 transitions. [2022-11-02 20:52:10,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:52:10,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 268 [2022-11-02 20:52:10,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:52:10,191 INFO L225 Difference]: With dead ends: 33867 [2022-11-02 20:52:10,191 INFO L226 Difference]: Without dead ends: 22499 [2022-11-02 20:52:10,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:52:10,250 INFO L413 NwaCegarLoop]: 4219 mSDtfsCounter, 7979 mSDsluCounter, 3661 mSDsCounter, 0 mSdLazyCounter, 6555 mSolverCounterSat, 5113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8464 SdHoareTripleChecker+Valid, 7880 SdHoareTripleChecker+Invalid, 11668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5113 IncrementalHoareTripleChecker+Valid, 6555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:52:10,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8464 Valid, 7880 Invalid, 11668 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5113 Valid, 6555 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2022-11-02 20:52:10,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22499 states. [2022-11-02 20:52:11,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22499 to 22333. [2022-11-02 20:52:11,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22333 states, 15609 states have (on average 1.3354474982381959) internal successors, (20845), 16157 states have internal predecessors, (20845), 5571 states have call successors, (5571), 1146 states have call predecessors, (5571), 1152 states have return successors, (5754), 5419 states have call predecessors, (5754), 5571 states have call successors, (5754) [2022-11-02 20:52:11,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22333 states to 22333 states and 32170 transitions. [2022-11-02 20:52:11,674 INFO L78 Accepts]: Start accepts. Automaton has 22333 states and 32170 transitions. Word has length 268 [2022-11-02 20:52:11,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:52:11,675 INFO L495 AbstractCegarLoop]: Abstraction has 22333 states and 32170 transitions. [2022-11-02 20:52:11,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-11-02 20:52:11,675 INFO L276 IsEmpty]: Start isEmpty. Operand 22333 states and 32170 transitions. [2022-11-02 20:52:11,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-11-02 20:52:11,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:52:11,691 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:52:11,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:52:11,692 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:52:11,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:11,692 INFO L85 PathProgramCache]: Analyzing trace with hash -841935553, now seen corresponding path program 1 times [2022-11-02 20:52:11,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:52:11,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313077972] [2022-11-02 20:52:11,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:11,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:52:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:52:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:52:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:52:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:52:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:52:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:52:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:52:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:52:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:52:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:52:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:52:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:52:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:52:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:52:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:52:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:52:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:52:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:52:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-02 20:52:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:52:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:52:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-02 20:52:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-02 20:52:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-02 20:52:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-02 20:52:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1341 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2022-11-02 20:52:12,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:52:12,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313077972] [2022-11-02 20:52:12,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313077972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:52:12,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:52:12,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:52:12,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419743495] [2022-11-02 20:52:12,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:52:12,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:52:12,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:52:12,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:52:12,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:52:12,529 INFO L87 Difference]: Start difference. First operand 22333 states and 32170 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:52:21,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:52:21,773 INFO L93 Difference]: Finished difference Result 66446 states and 95966 transitions. [2022-11-02 20:52:21,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:52:21,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 284 [2022-11-02 20:52:21,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:52:22,061 INFO L225 Difference]: With dead ends: 66446 [2022-11-02 20:52:22,062 INFO L226 Difference]: Without dead ends: 44152 [2022-11-02 20:52:22,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:52:22,186 INFO L413 NwaCegarLoop]: 5711 mSDtfsCounter, 4580 mSDsluCounter, 5315 mSDsCounter, 0 mSdLazyCounter, 3170 mSolverCounterSat, 1897 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5265 SdHoareTripleChecker+Valid, 11026 SdHoareTripleChecker+Invalid, 5067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1897 IncrementalHoareTripleChecker+Valid, 3170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:52:22,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5265 Valid, 11026 Invalid, 5067 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1897 Valid, 3170 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-11-02 20:52:22,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44152 states. [2022-11-02 20:52:24,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44152 to 43846. [2022-11-02 20:52:24,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43846 states, 30654 states have (on average 1.3342467540940823) internal successors, (40900), 31755 states have internal predecessors, (40900), 10915 states have call successors, (10915), 2264 states have call predecessors, (10915), 2276 states have return successors, (11271), 10605 states have call predecessors, (11271), 10915 states have call successors, (11271) [2022-11-02 20:52:25,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43846 states to 43846 states and 63086 transitions. [2022-11-02 20:52:25,137 INFO L78 Accepts]: Start accepts. Automaton has 43846 states and 63086 transitions. Word has length 284 [2022-11-02 20:52:25,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:52:25,138 INFO L495 AbstractCegarLoop]: Abstraction has 43846 states and 63086 transitions. [2022-11-02 20:52:25,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-02 20:52:25,138 INFO L276 IsEmpty]: Start isEmpty. Operand 43846 states and 63086 transitions. [2022-11-02 20:52:25,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-11-02 20:52:25,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:52:25,158 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 17, 17, 17, 17, 17, 17, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:52:25,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:52:25,159 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:52:25,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:25,160 INFO L85 PathProgramCache]: Analyzing trace with hash -787119362, now seen corresponding path program 1 times [2022-11-02 20:52:25,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:52:25,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520061030] [2022-11-02 20:52:25,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:25,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:52:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:52:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:52:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:52:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:52:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:52:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:52:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:52:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:52:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:52:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:52:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:52:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:52:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:52:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:52:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:52:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:52:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:52:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:52:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-02 20:52:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-02 20:52:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-02 20:52:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:52:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:52:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 20:52:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-02 20:52:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-11-02 20:52:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-02 20:52:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:26,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-11-02 20:52:26,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:52:26,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520061030] [2022-11-02 20:52:26,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520061030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:52:26,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:52:26,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:52:26,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274316136] [2022-11-02 20:52:26,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:52:26,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:52:26,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:52:26,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:52:26,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:52:26,565 INFO L87 Difference]: Start difference. First operand 43846 states and 63086 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-02 20:52:35,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:52:35,753 INFO L93 Difference]: Finished difference Result 103875 states and 148769 transitions. [2022-11-02 20:52:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:52:35,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 304 [2022-11-02 20:52:35,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:52:36,183 INFO L225 Difference]: With dead ends: 103875 [2022-11-02 20:52:36,184 INFO L226 Difference]: Without dead ends: 60068 [2022-11-02 20:52:36,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:52:36,395 INFO L413 NwaCegarLoop]: 5027 mSDtfsCounter, 4050 mSDsluCounter, 5022 mSDsCounter, 0 mSdLazyCounter, 2996 mSolverCounterSat, 1805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4647 SdHoareTripleChecker+Valid, 10049 SdHoareTripleChecker+Invalid, 4801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1805 IncrementalHoareTripleChecker+Valid, 2996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:52:36,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4647 Valid, 10049 Invalid, 4801 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1805 Valid, 2996 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-02 20:52:36,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60068 states. [2022-11-02 20:52:39,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60068 to 59714. [2022-11-02 20:52:39,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59714 states, 41510 states have (on average 1.3287159720549264) internal successors, (55155), 42932 states have internal predecessors, (55155), 14723 states have call successors, (14723), 3468 states have call predecessors, (14723), 3480 states have return successors, (15099), 14336 states have call predecessors, (15099), 14723 states have call successors, (15099) [2022-11-02 20:52:39,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59714 states to 59714 states and 84977 transitions. [2022-11-02 20:52:39,932 INFO L78 Accepts]: Start accepts. Automaton has 59714 states and 84977 transitions. Word has length 304 [2022-11-02 20:52:39,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:52:39,933 INFO L495 AbstractCegarLoop]: Abstraction has 59714 states and 84977 transitions. [2022-11-02 20:52:39,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-02 20:52:39,933 INFO L276 IsEmpty]: Start isEmpty. Operand 59714 states and 84977 transitions. [2022-11-02 20:52:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-11-02 20:52:39,952 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:52:39,953 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:52:39,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:52:39,953 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:52:39,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:39,954 INFO L85 PathProgramCache]: Analyzing trace with hash -459163670, now seen corresponding path program 1 times [2022-11-02 20:52:39,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:52:39,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111925636] [2022-11-02 20:52:39,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:39,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:52:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:52:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:52:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:52:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:52:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:52:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:52:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:52:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:52:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:52:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:52:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:52:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:52:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:40,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:52:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:52:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:52:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:52:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:52:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:52:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-02 20:52:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-02 20:52:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-02 20:52:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-02 20:52:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-02 20:52:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-11-02 20:52:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:52:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-02 20:52:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 20:52:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:52:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-02 20:52:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-11-02 20:52:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-02 20:52:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-11-02 20:52:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:41,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2022-11-02 20:52:41,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:52:41,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111925636] [2022-11-02 20:52:41,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111925636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:52:41,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:52:41,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:52:41,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910412733] [2022-11-02 20:52:41,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:52:41,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:52:41,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:52:41,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:52:41,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:52:41,279 INFO L87 Difference]: Start difference. First operand 59714 states and 84977 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 3 states have internal predecessors, (118), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2022-11-02 20:52:44,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:52:55,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:53:02,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:53:02,517 INFO L93 Difference]: Finished difference Result 165296 states and 235226 transitions. [2022-11-02 20:53:02,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:53:02,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 3 states have internal predecessors, (118), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) Word has length 328 [2022-11-02 20:53:02,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:53:03,110 INFO L225 Difference]: With dead ends: 165296 [2022-11-02 20:53:03,111 INFO L226 Difference]: Without dead ends: 105621 [2022-11-02 20:53:03,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:53:03,395 INFO L413 NwaCegarLoop]: 4135 mSDtfsCounter, 7627 mSDsluCounter, 3561 mSDsCounter, 0 mSdLazyCounter, 6533 mSolverCounterSat, 4982 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8120 SdHoareTripleChecker+Valid, 7696 SdHoareTripleChecker+Invalid, 11517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4982 IncrementalHoareTripleChecker+Valid, 6533 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:53:03,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8120 Valid, 7696 Invalid, 11517 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4982 Valid, 6533 Invalid, 2 Unknown, 0 Unchecked, 16.5s Time] [2022-11-02 20:53:03,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105621 states. [2022-11-02 20:53:07,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105621 to 104905. [2022-11-02 20:53:07,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104905 states, 72744 states have (on average 1.3273809523809523) internal successors, (96559), 75153 states have internal predecessors, (96559), 25736 states have call successors, (25736), 6414 states have call predecessors, (25736), 6424 states have return successors, (26444), 25032 states have call predecessors, (26444), 25736 states have call successors, (26444) [2022-11-02 20:53:08,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104905 states to 104905 states and 148739 transitions. [2022-11-02 20:53:08,837 INFO L78 Accepts]: Start accepts. Automaton has 104905 states and 148739 transitions. Word has length 328 [2022-11-02 20:53:08,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:53:08,838 INFO L495 AbstractCegarLoop]: Abstraction has 104905 states and 148739 transitions. [2022-11-02 20:53:08,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 3 states have internal predecessors, (118), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 4 states have call successors, (35) [2022-11-02 20:53:08,838 INFO L276 IsEmpty]: Start isEmpty. Operand 104905 states and 148739 transitions. [2022-11-02 20:53:08,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-11-02 20:53:08,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:53:08,853 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 17, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:53:08,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:53:08,854 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:53:08,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:53:08,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1069458635, now seen corresponding path program 1 times [2022-11-02 20:53:08,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:53:08,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162746211] [2022-11-02 20:53:08,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:53:08,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:53:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:53:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:53:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:53:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:53:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:53:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:53:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:53:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-02 20:53:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:53:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:53:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 20:53:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-02 20:53:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-02 20:53:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-02 20:53:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-02 20:53:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:53:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-02 20:53:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-11-02 20:53:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-02 20:53:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:53:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:09,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-02 20:53:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:10,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-02 20:53:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:10,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-02 20:53:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:10,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:53:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-02 20:53:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:10,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-02 20:53:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-02 20:53:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:10,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-02 20:53:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:10,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-02 20:53:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:10,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-11-02 20:53:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:53:10,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1549 trivial. 0 not checked. [2022-11-02 20:53:10,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:53:10,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162746211] [2022-11-02 20:53:10,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162746211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:53:10,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:53:10,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:53:10,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483046907] [2022-11-02 20:53:10,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:53:10,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:53:10,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:53:10,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:53:10,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:53:10,080 INFO L87 Difference]: Start difference. First operand 104905 states and 148739 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-02 20:53:23,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:53:23,555 INFO L93 Difference]: Finished difference Result 256550 states and 364204 transitions. [2022-11-02 20:53:23,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:53:23,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 327 [2022-11-02 20:53:23,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:53:24,543 INFO L225 Difference]: With dead ends: 256550 [2022-11-02 20:53:24,543 INFO L226 Difference]: Without dead ends: 151803 [2022-11-02 20:53:24,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:53:24,853 INFO L413 NwaCegarLoop]: 8044 mSDtfsCounter, 4048 mSDsluCounter, 6711 mSDsCounter, 0 mSdLazyCounter, 3212 mSolverCounterSat, 1413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4719 SdHoareTripleChecker+Valid, 14755 SdHoareTripleChecker+Invalid, 4625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1413 IncrementalHoareTripleChecker+Valid, 3212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:53:24,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4719 Valid, 14755 Invalid, 4625 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1413 Valid, 3212 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-11-02 20:53:24,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151803 states.